TPTP Problem File: SLH0955^1.p

View Solutions - Solve Problem

%------------------------------------------------------------------------------
% File     : SLH0000^1 : TPTP v8.2.0. Released v8.2.0.
% Domain   : Archive of Formal Proofs
% Problem  :
% Version  : Especial.
% English  :

% Refs     : [Des23] Desharnais (2023), Email to Geoff Sutcliffe
% Source   : [Des23]
% Names    : Rewrite_Properties_Reduction/0020_Rewriting_Properties/prob_00203_008257__14119266_1 [Des23]

% Status   : Theorem
% Rating   : ? v8.2.0
% Syntax   : Number of formulae    : 1534 ( 379 unt; 284 typ;   0 def)
%            Number of atoms       : 3801 (1037 equ;   0 cnn)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives : 15625 ( 596   ~;  73   |; 297   &;12564   @)
%                                         (   0 <=>;2095  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   29 (   9 avg)
%            Number of types       :   49 (  48 usr)
%            Number of type conns  :  626 ( 626   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  237 ( 236 usr;  28 con; 0-3 aty)
%            Number of variables   : 4441 ( 148   ^;4003   !; 290   ?;4441   :)
% SPC      : TH0_THM_EQU_NAR

% Comments : This file was generated by Isabelle (most likely Sledgehammer)
%            2023-01-19 14:19:11.712
%------------------------------------------------------------------------------
% Could-be-implicit typings (48)
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% Explicit typings (236)
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    accp_P2729577386226225901rm_a_b: ( produc2732850333517536310rm_a_b > produc2732850333517536310rm_a_b > $o ) > produc2732850333517536310rm_a_b > $o ).

thf(sy_c_member_001t__List__Olist_It__Nat__Onat_J,type,
    member_list_nat: list_nat > set_list_nat > $o ).

thf(sy_c_member_001t__List__Olist_It__Term__Oterm_Itf__a_Mtf__b_J_J,type,
    member_list_term_a_b: list_term_a_b > set_list_term_a_b > $o ).

thf(sy_c_member_001t__Nat__Onat,type,
    member_nat: nat > set_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__List__Olist_It__Term__Oterm_Itf__a_Mtf__b_J_J_Mt__List__Olist_It__Term__Oterm_Itf__a_Mtf__b_J_J_J,type,
    member4405265420456397394rm_a_b: produc51424535725745577rm_a_b > set_Pr8564414093027780873rm_a_b > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__List__Olist_Itf__a_J_Mt__List__Olist_It__Nat__Onat_J_J,type,
    member4851138774834033962st_nat: produc432399132543013523st_nat > set_Pr5046312416420021961st_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Nat__Onat_Mt__Nat__Onat_J,type,
    member8440522571783428010at_nat: product_prod_nat_nat > set_Pr1261947904930325089at_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Nat__Onat_Mtf__a_J,type,
    member8962352052110095674_nat_a: product_prod_nat_a > set_Pr4193341848836149977_nat_a > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_It__Nat__Onat_Mt__Nat__Onat_J_Mt__Product____Type__Oprod_It__Nat__Onat_Mt__Nat__Onat_J_J,type,
    member8206827879206165904at_nat: produc859450856879609959at_nat > set_Pr8693737435421807431at_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_It__Nat__Onat_Mtf__a_J_Mt__Product____Type__Oprod_It__Nat__Onat_Mtf__a_J_J,type,
    member4761248513229532624_nat_a: produc407407628498880807_nat_a > set_Pr2476087352799849863_nat_a > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_It__Set__Oset_It__Product____Type__Oprod_Itf__a_Mt__Nat__Onat_J_J_Mt__Product____Type__Oprod_Itf__b_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_J_Mt__Product____Type__Oprod_It__Set__Oset_It__Product____Type__Oprod_Itf__a_Mt__Nat__Onat_J_J_Mt__Product____Type__Oprod_Itf__b_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_J_J,type,
    member4955916718216803920rm_a_b: produc8033117147056819751rm_a_b > set_Pr3349378317018664967rm_a_b > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_It__Term__Oterm_Itf__a_Mtf__b_J_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_Mt__Product____Type__Oprod_It__Term__Oterm_Itf__a_Mtf__b_J_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_J,type,
    member8417600551952982416rm_a_b: produc4523971788519308903rm_a_b > set_Pr2972776593051762503rm_a_b > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_Itf__a_Mt__Nat__Onat_J_Mt__Product____Type__Oprod_Itf__a_Mt__Nat__Onat_J_J,type,
    member9062615507155100804_a_nat: produc4708774622424448987_a_nat > set_Pr1811044260758604347_a_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_Itf__a_Mtf__a_J_Mt__Product____Type__Oprod_Itf__a_Mtf__a_J_J,type,
    member6330455413206600464od_a_a: produc3498347346309940967od_a_a > set_Pr8600417178894128327od_a_a > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Product____Type__Oprod_Itf__b_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_Mt__Product____Type__Oprod_Itf__b_Mt__Term__Oterm_Itf__a_Mtf__b_J_J_J,type,
    member7542685802389602574rm_a_b: produc4700046383489396069rm_a_b > set_Pr5233514982410851781rm_a_b > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_It__Term__Oterm_Itf__a_Mtf__b_J_Mt__Term__Oterm_Itf__a_Mtf__b_J_J,type,
    member5869715511025134514rm_a_b: produc357393685978478089rm_a_b > set_Pr4386577575007340137rm_a_b > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_Itf__a_Mt__Nat__Onat_J,type,
    member5724188588386418708_a_nat: product_prod_a_nat > set_Pr4934435412358123699_a_nat > $o ).

thf(sy_c_member_001t__Product____Type__Oprod_Itf__a_Mtf__a_J,type,
    member1426531477525435216od_a_a: product_prod_a_a > set_Product_prod_a_a > $o ).

thf(sy_c_member_001t__Term__Oterm_Itf__a_Mtf__b_J,type,
    member_term_a_b: term_a_b > set_term_a_b > $o ).

thf(sy_v_P,type,
    p: term_a_b > term_a_b > $o ).

thf(sy_v__092_060F_062,type,
    f: set_Pr4934435412358123699_a_nat ).

thf(sy_v__092_060R_062,type,
    r: set_Pr4386577575007340137rm_a_b ).

thf(sy_v_f____,type,
    f2: a ).

thf(sy_v_s,type,
    s: term_a_b ).

thf(sy_v_ss____,type,
    ss: list_term_a_b ).

thf(sy_v_t,type,
    t: term_a_b ).

thf(sy_v_ta____,type,
    ta: term_a_b ).

thf(sy_v_ts____,type,
    ts: list_term_a_b ).

% Relevant facts (1249)
thf(fact_0_inv_I1_J,axiom,
    ( ( size_s8906293707977694520rm_a_b @ ss )
    = ( size_s8906293707977694520rm_a_b @ ts ) ) ).

% inv(1)
thf(fact_1_t,axiom,
    ! [I: nat] :
      ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ ts ) )
     => ( p @ ( nth_term_a_b @ ss @ I ) @ ( nth_term_a_b @ ts @ I ) ) ) ).

% t
thf(fact_2__C_K_C,axiom,
    ( ta
    = ( fun_a_b @ f2 @ ts ) ) ).

% "*"
thf(fact_3_term_Oinject_I2_J,axiom,
    ! [X21: a,X22: list_term_a_b,Y21: a,Y22: list_term_a_b] :
      ( ( ( fun_a_b @ X21 @ X22 )
        = ( fun_a_b @ Y21 @ Y22 ) )
      = ( ( X21 = Y21 )
        & ( X22 = Y22 ) ) ) ).

% term.inject(2)
thf(fact_4_IH_I3_J,axiom,
    ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( fun_a_b @ f2 @ ss ) ) @ f ).

% IH(3)
thf(fact_5_funas_I1_J,axiom,
    member5724188588386418708_a_nat @ ( product_Pair_a_nat @ f2 @ ( size_s8906293707977694520rm_a_b @ ts ) ) @ f ).

% funas(1)
thf(fact_6_False,axiom,
    ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ f2 @ ss ) @ ta ) @ ( srstep7844470518422762656ep_a_b @ f @ r ) ) ).

% False
thf(fact_7_funas_I2_J,axiom,
    ! [I: nat] :
      ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ ts ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( nth_term_a_b @ ss @ I ) ) @ f )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( nth_term_a_b @ ts @ I ) ) @ f ) ) ) ).

% funas(2)
thf(fact_8_term_Osel_I2_J,axiom,
    ! [X21: a,X22: list_term_a_b] :
      ( ( un_Fun1_a_b @ ( fun_a_b @ X21 @ X22 ) )
      = X21 ) ).

% term.sel(2)
thf(fact_9_assms_I1_J,axiom,
    ! [S: term_a_b,T: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( srstep7844470518422762656ep_a_b @ f @ r ) )
     => ( p @ S @ T ) ) ).

% assms(1)
thf(fact_10_IH_I2_J,axiom,
    member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ f2 @ ss ) @ ta ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ).

% IH(2)
thf(fact_11_term_Osel_I4_J,axiom,
    ! [X21: a,X22: list_term_a_b] :
      ( ( args_a_b @ ( fun_a_b @ X21 @ X22 ) )
      = X22 ) ).

% term.sel(4)
thf(fact_12_local_Ostep,axiom,
    member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ f2 @ ss ) @ ta ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ).

% local.step
thf(fact_13_IH_I4_J,axiom,
    ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ta ) @ f ).

% IH(4)
thf(fact_14_well_I2_J,axiom,
    ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ t ) @ f ).

% well(2)
thf(fact_15_well_I1_J,axiom,
    ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ s ) @ f ).

% well(1)
thf(fact_16_inv_I2_J,axiom,
    ! [I: nat] :
      ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ ts ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ ss @ I ) @ ( nth_term_a_b @ ts @ I ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ) ) ).

% inv(2)
thf(fact_17_steps,axiom,
    member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ s @ t ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ).

% steps
thf(fact_18__092_060open_062_092_060exists_062fa_Assa_Ats_O_AFun_Af_Ass_A_061_AFun_Afa_Assa_A_092_060and_062_At_A_061_AFun_Afa_Ats_A_092_060and_062_Alength_Assa_A_061_Alength_Ats_A_092_060and_062_A_I_092_060forall_062i_060length_Ats_O_A_Issa_A_B_Ai_M_Ats_A_B_Ai_J_A_092_060in_062_A_Isrstep_A_092_060F_062_A_092_060R_062_J_092_060_094sup_062_K_J_092_060close_062,axiom,
    ? [F: a,Ss: list_term_a_b,Ts: list_term_a_b] :
      ( ( ( fun_a_b @ f2 @ ss )
        = ( fun_a_b @ F @ Ss ) )
      & ( ta
        = ( fun_a_b @ F @ Ts ) )
      & ( ( size_s8906293707977694520rm_a_b @ Ss )
        = ( size_s8906293707977694520rm_a_b @ Ts ) )
      & ! [I: nat] :
          ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ Ts ) )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Ss @ I ) @ ( nth_term_a_b @ Ts @ I ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ) ) ) ).

% \<open>\<exists>fa ssa ts. Fun f ss = Fun fa ssa \<and> t = Fun fa ts \<and> length ssa = length ts \<and> (\<forall>i<length ts. (ssa ! i, ts ! i) \<in> (srstep \<F> \<R>)\<^sup>*)\<close>
thf(fact_19__092_060open_062_092_060And_062thesis_O_A_I_092_060And_062ts_O_A_092_060lbrakk_062t_A_061_AFun_Af_Ats_059_Alength_Ass_A_061_Alength_Ats_059_A_092_060forall_062i_060length_Ats_O_A_Iss_A_B_Ai_M_Ats_A_B_Ai_J_A_092_060in_062_A_Isrstep_A_092_060F_062_A_092_060R_062_J_092_060_094sup_062_K_092_060rbrakk_062_A_092_060Longrightarrow_062_Athesis_J_A_092_060Longrightarrow_062_Athesis_092_060close_062,axiom,
    ~ ! [Ts: list_term_a_b] :
        ( ( ta
          = ( fun_a_b @ f2 @ Ts ) )
       => ( ( ( size_s8906293707977694520rm_a_b @ ss )
            = ( size_s8906293707977694520rm_a_b @ Ts ) )
         => ~ ! [I: nat] :
                ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ Ts ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ ss @ I ) @ ( nth_term_a_b @ Ts @ I ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) ) ) ) ) ).

% \<open>\<And>thesis. (\<And>ts. \<lbrakk>t = Fun f ts; length ss = length ts; \<forall>i<length ts. (ss ! i, ts ! i) \<in> (srstep \<F> \<R>)\<^sup>*\<rbrakk> \<Longrightarrow> thesis) \<Longrightarrow> thesis\<close>
thf(fact_20_sigstep__trancl__funas_I2_J,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,S2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ S2 ) ) ) )
     => ( ( S != T )
       => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 ) ) ) ).

% sigstep_trancl_funas(2)
thf(fact_21_sigstep__trancl__funas_I1_J,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,S2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ S2 ) ) ) )
     => ( ( S != T )
       => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 ) ) ) ).

% sigstep_trancl_funas(1)
thf(fact_22_srsteps__with__root__step__srstepsD,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( srstep7844470518422762656ep_a_b @ F2 @ R ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ).

% srsteps_with_root_step_srstepsD
thf(fact_23_srsteps__with__root__step__sresteps__eqD,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( srstep7844470518422762656ep_a_b @ F2 @ R ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ).

% srsteps_with_root_step_sresteps_eqD
thf(fact_24_Fun_Ohyps,axiom,
    ! [X2a: term_a_b,T: term_a_b] :
      ( ( member_term_a_b @ X2a @ ( set_term_a_b2 @ ss ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2a @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ f @ ( rstep_a_b @ r ) ) ) )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ X2a ) @ f )
         => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ f )
           => ( p @ X2a @ T ) ) ) ) ) ).

% Fun.hyps
thf(fact_25_nsrsteps__with__root__step__step__on__args,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) )
     => ( ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( srstep7844470518422762656ep_a_b @ F2 @ R ) )
       => ? [F: a,Ss: list_term_a_b,Ts: list_term_a_b] :
            ( ( S
              = ( fun_a_b @ F @ Ss ) )
            & ( T
              = ( fun_a_b @ F @ Ts ) )
            & ( ( size_s8906293707977694520rm_a_b @ Ss )
              = ( size_s8906293707977694520rm_a_b @ Ts ) )
            & ! [I: nat] :
                ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ Ts ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Ss @ I ) @ ( nth_term_a_b @ Ts @ I ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ) ).

% nsrsteps_with_root_step_step_on_args
thf(fact_26_sig__stepI,axiom,
    ! [S: term_a_b,F2: set_Pr4934435412358123699_a_nat,T: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ R )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ R ) ) ) ) ) ).

% sig_stepI
thf(fact_27_srstepsD,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 ) ) ) ).

% srstepsD
thf(fact_28_srstepD,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 ) ) ) ).

% srstepD
thf(fact_29_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Pr2972776593051762503rm_a_b] :
      ( ( transi9211502839322181930rm_a_b @ ( transi2615809358984392588rm_a_b @ R2 ) )
      = ( transi2615809358984392588rm_a_b @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_30_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Pr1811044260758604347_a_nat] :
      ( ( transi6805586507763294364_a_nat @ ( transi2726145917338391738_a_nat @ R2 ) )
      = ( transi2726145917338391738_a_nat @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_31_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Product_prod_a_a] :
      ( ( transitive_trancl_a @ ( transitive_rtrancl_a @ R2 ) )
      = ( transitive_rtrancl_a @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_32_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Pr1261947904930325089at_nat] :
      ( ( transi6264000038957366511cl_nat @ ( transi2905341329935302413cl_nat @ R2 ) )
      = ( transi2905341329935302413cl_nat @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_33_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Pr8564414093027780873rm_a_b] :
      ( ( transi4990936492147380931rm_a_b @ ( transi911495901722478305rm_a_b @ R2 ) )
      = ( transi911495901722478305rm_a_b @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_34_rtrancl__trancl__absorb,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7922773638565587891rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) )
      = ( transi7742714808557438673rm_a_b @ R2 ) ) ).

% rtrancl_trancl_absorb
thf(fact_35_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Pr2972776593051762503rm_a_b] :
      ( ( transi2615809358984392588rm_a_b @ ( transi9211502839322181930rm_a_b @ R2 ) )
      = ( transi2615809358984392588rm_a_b @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_36_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Pr1811044260758604347_a_nat] :
      ( ( transi2726145917338391738_a_nat @ ( transi6805586507763294364_a_nat @ R2 ) )
      = ( transi2726145917338391738_a_nat @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_37_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Product_prod_a_a] :
      ( ( transitive_rtrancl_a @ ( transitive_trancl_a @ R2 ) )
      = ( transitive_rtrancl_a @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_38_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Pr1261947904930325089at_nat] :
      ( ( transi2905341329935302413cl_nat @ ( transi6264000038957366511cl_nat @ R2 ) )
      = ( transi2905341329935302413cl_nat @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_39_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Pr8564414093027780873rm_a_b] :
      ( ( transi911495901722478305rm_a_b @ ( transi4990936492147380931rm_a_b @ R2 ) )
      = ( transi911495901722478305rm_a_b @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_40_trancl__rtrancl__absorb,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7742714808557438673rm_a_b @ ( transi7922773638565587891rm_a_b @ R2 ) )
      = ( transi7742714808557438673rm_a_b @ R2 ) ) ).

% trancl_rtrancl_absorb
thf(fact_41_rstep__ruleI,axiom,
    ! [L: term_a_b,R3: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ R )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ ( rstep_a_b @ R ) ) ) ).

% rstep_ruleI
thf(fact_42_sig__stepE,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ R ) )
     => ~ ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ R )
         => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
           => ~ ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 ) ) ) ) ).

% sig_stepE
thf(fact_43_tranclD,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R2: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi9211502839322181930rm_a_b @ R2 ) )
     => ? [Z: produc357393685978478089rm_a_b] :
          ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z ) @ R2 )
          & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Z @ Y ) @ ( transi2615809358984392588rm_a_b @ R2 ) ) ) ) ).

% tranclD
thf(fact_44_tranclD,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R2: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi6805586507763294364_a_nat @ R2 ) )
     => ? [Z: product_prod_a_nat] :
          ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z ) @ R2 )
          & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Z @ Y ) @ ( transi2726145917338391738_a_nat @ R2 ) ) ) ) ).

% tranclD
thf(fact_45_tranclD,axiom,
    ! [X: a,Y: a,R2: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_trancl_a @ R2 ) )
     => ? [Z: a] :
          ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z ) @ R2 )
          & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Z @ Y ) @ ( transitive_rtrancl_a @ R2 ) ) ) ) ).

% tranclD
thf(fact_46_tranclD,axiom,
    ! [X: nat,Y: nat,R2: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi6264000038957366511cl_nat @ R2 ) )
     => ? [Z: nat] :
          ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z ) @ R2 )
          & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Z @ Y ) @ ( transi2905341329935302413cl_nat @ R2 ) ) ) ) ).

% tranclD
thf(fact_47_tranclD,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R2: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi4990936492147380931rm_a_b @ R2 ) )
     => ? [Z: list_term_a_b] :
          ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Z ) @ R2 )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Z @ Y ) @ ( transi911495901722478305rm_a_b @ R2 ) ) ) ) ).

% tranclD
thf(fact_48_tranclD,axiom,
    ! [X: term_a_b,Y: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R2 ) )
     => ? [Z: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z ) @ R2 )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z @ Y ) @ ( transi7742714808557438673rm_a_b @ R2 ) ) ) ) ).

% tranclD
thf(fact_49_rtranclD,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R2: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_50_rtranclD,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R2: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_51_rtranclD,axiom,
    ! [A: a,B: a,R2: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_52_rtranclD,axiom,
    ! [A: nat,B: nat,R2: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_53_rtranclD,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R2: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi4990936492147380931rm_a_b @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_54_rtranclD,axiom,
    ! [A: term_a_b,B: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
     => ( ( A = B )
        | ( ( A != B )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R2 ) ) ) ) ) ).

% rtranclD
thf(fact_55_tranclD2,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R2: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi9211502839322181930rm_a_b @ R2 ) )
     => ? [Z: produc357393685978478089rm_a_b] :
          ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z ) @ ( transi2615809358984392588rm_a_b @ R2 ) )
          & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_56_tranclD2,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R2: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi6805586507763294364_a_nat @ R2 ) )
     => ? [Z: product_prod_a_nat] :
          ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z ) @ ( transi2726145917338391738_a_nat @ R2 ) )
          & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_57_tranclD2,axiom,
    ! [X: a,Y: a,R2: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_trancl_a @ R2 ) )
     => ? [Z: a] :
          ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z ) @ ( transitive_rtrancl_a @ R2 ) )
          & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_58_tranclD2,axiom,
    ! [X: nat,Y: nat,R2: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi6264000038957366511cl_nat @ R2 ) )
     => ? [Z: nat] :
          ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z ) @ ( transi2905341329935302413cl_nat @ R2 ) )
          & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_59_tranclD2,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R2: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi4990936492147380931rm_a_b @ R2 ) )
     => ? [Z: list_term_a_b] :
          ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Z ) @ ( transi911495901722478305rm_a_b @ R2 ) )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_60_tranclD2,axiom,
    ! [X: term_a_b,Y: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R2 ) )
     => ? [Z: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z @ Y ) @ R2 ) ) ) ).

% tranclD2
thf(fact_61_r__into__rtrancl,axiom,
    ! [P: produc4523971788519308903rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ P @ R3 )
     => ( member8417600551952982416rm_a_b @ P @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_62_r__into__rtrancl,axiom,
    ! [P: produc4708774622424448987_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ P @ R3 )
     => ( member9062615507155100804_a_nat @ P @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_63_r__into__rtrancl,axiom,
    ! [P: product_prod_a_a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ P @ R3 )
     => ( member1426531477525435216od_a_a @ P @ ( transitive_rtrancl_a @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_64_r__into__rtrancl,axiom,
    ! [P: product_prod_nat_nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ P @ R3 )
     => ( member8440522571783428010at_nat @ P @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_65_r__into__rtrancl,axiom,
    ! [P: produc51424535725745577rm_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ P @ R3 )
     => ( member4405265420456397394rm_a_b @ P @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_66_r__into__rtrancl,axiom,
    ! [P: produc357393685978478089rm_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ R3 )
     => ( member5869715511025134514rm_a_b @ P @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ).

% r_into_rtrancl
thf(fact_67_rtrancl__idemp,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b] :
      ( ( transi2615809358984392588rm_a_b @ ( transi2615809358984392588rm_a_b @ R3 ) )
      = ( transi2615809358984392588rm_a_b @ R3 ) ) ).

% rtrancl_idemp
thf(fact_68_rtrancl__idemp,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat] :
      ( ( transi2726145917338391738_a_nat @ ( transi2726145917338391738_a_nat @ R3 ) )
      = ( transi2726145917338391738_a_nat @ R3 ) ) ).

% rtrancl_idemp
thf(fact_69_rtrancl__idemp,axiom,
    ! [R3: set_Product_prod_a_a] :
      ( ( transitive_rtrancl_a @ ( transitive_rtrancl_a @ R3 ) )
      = ( transitive_rtrancl_a @ R3 ) ) ).

% rtrancl_idemp
thf(fact_70_rtrancl__idemp,axiom,
    ! [R3: set_Pr1261947904930325089at_nat] :
      ( ( transi2905341329935302413cl_nat @ ( transi2905341329935302413cl_nat @ R3 ) )
      = ( transi2905341329935302413cl_nat @ R3 ) ) ).

% rtrancl_idemp
thf(fact_71_rtrancl__idemp,axiom,
    ! [R3: set_Pr8564414093027780873rm_a_b] :
      ( ( transi911495901722478305rm_a_b @ ( transi911495901722478305rm_a_b @ R3 ) )
      = ( transi911495901722478305rm_a_b @ R3 ) ) ).

% rtrancl_idemp
thf(fact_72_rtrancl__idemp,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7742714808557438673rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) )
      = ( transi7742714808557438673rm_a_b @ R3 ) ) ).

% rtrancl_idemp
thf(fact_73_trancl__induct2,axiom,
    ! [Ax: set_Pr4934435412358123699_a_nat,Ay: produc6551080308567045442rm_a_b,Bx: set_Pr4934435412358123699_a_nat,By: produc6551080308567045442rm_a_b,R3: set_Pr3349378317018664967rm_a_b,P2: set_Pr4934435412358123699_a_nat > produc6551080308567045442rm_a_b > $o] :
      ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ Bx @ By ) ) @ ( transi2902453399402325367rm_a_b @ R3 ) )
     => ( ! [A2: set_Pr4934435412358123699_a_nat,B2: produc6551080308567045442rm_a_b] :
            ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: set_Pr4934435412358123699_a_nat,B2: produc6551080308567045442rm_a_b,Aa: set_Pr4934435412358123699_a_nat,Ba: produc6551080308567045442rm_a_b] :
              ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) ) @ ( transi2902453399402325367rm_a_b @ R3 ) )
             => ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) @ ( produc8030969961714872974rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_74_trancl__induct2,axiom,
    ! [Ax: nat,Ay: nat,Bx: nat,By: nat,R3: set_Pr8693737435421807431at_nat,P2: nat > nat > $o] :
      ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ Bx @ By ) ) @ ( transi243908449541399842at_nat @ R3 ) )
     => ( ! [A2: nat,B2: nat] :
            ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: nat,B2: nat,Aa: nat,Ba: nat] :
              ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ A2 @ B2 ) ) @ ( transi243908449541399842at_nat @ R3 ) )
             => ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ A2 @ B2 ) @ ( product_Pair_nat_nat @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_75_trancl__induct2,axiom,
    ! [Ax: nat,Ay: a,Bx: nat,By: a,R3: set_Pr2476087352799849863_nat_a,P2: nat > a > $o] :
      ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ Bx @ By ) ) @ ( transi820377934632195522_nat_a @ R3 ) )
     => ( ! [A2: nat,B2: a] :
            ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: nat,B2: a,Aa: nat,Ba: a] :
              ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ A2 @ B2 ) ) @ ( transi820377934632195522_nat_a @ R3 ) )
             => ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ A2 @ B2 ) @ ( product_Pair_nat_a @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_76_trancl__induct2,axiom,
    ! [Ax: b,Ay: term_a_b,Bx: b,By: term_a_b,R3: set_Pr5233514982410851781rm_a_b,P2: b > term_a_b > $o] :
      ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ Bx @ By ) ) @ ( transi7411496497035545569rm_a_b @ R3 ) )
     => ( ! [A2: b,B2: term_a_b] :
            ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: b,B2: term_a_b,Aa: b,Ba: term_a_b] :
              ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) ) @ ( transi7411496497035545569rm_a_b @ R3 ) )
             => ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) @ ( produc1437816968797971900rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_77_trancl__induct2,axiom,
    ! [Ax: a,Ay: a,Bx: a,By: a,R3: set_Pr8600417178894128327od_a_a,P2: a > a > $o] :
      ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ Bx @ By ) ) @ ( transi3369178822797952200od_a_a @ R3 ) )
     => ( ! [A2: a,B2: a] :
            ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: a,B2: a,Aa: a,Ba: a] :
              ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ A2 @ B2 ) ) @ ( transi3369178822797952200od_a_a @ R3 ) )
             => ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ A2 @ B2 ) @ ( product_Pair_a_a @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_78_trancl__induct2,axiom,
    ! [Ax: a,Ay: nat,Bx: a,By: nat,R3: set_Pr1811044260758604347_a_nat,P2: a > nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ Bx @ By ) ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ! [A2: a,B2: nat] :
            ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: a,B2: nat,Aa: a,Ba: nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ A2 @ B2 ) ) @ ( transi6805586507763294364_a_nat @ R3 ) )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ A2 @ B2 ) @ ( product_Pair_a_nat @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_79_trancl__induct2,axiom,
    ! [Ax: term_a_b,Ay: term_a_b,Bx: term_a_b,By: term_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: term_a_b > term_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ Bx @ By ) ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ! [A2: term_a_b,B2: term_a_b] :
            ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) ) @ R3 )
           => ( P2 @ A2 @ B2 ) )
       => ( ! [A2: term_a_b,B2: term_a_b,Aa: term_a_b,Ba: term_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) @ ( produc7020197800436672577rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% trancl_induct2
thf(fact_80_converse__rtrancl__induct2,axiom,
    ! [Ax: set_Pr4934435412358123699_a_nat,Ay: produc6551080308567045442rm_a_b,Bx: set_Pr4934435412358123699_a_nat,By: produc6551080308567045442rm_a_b,R3: set_Pr3349378317018664967rm_a_b,P2: set_Pr4934435412358123699_a_nat > produc6551080308567045442rm_a_b > $o] :
      ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ Bx @ By ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: set_Pr4934435412358123699_a_nat,B2: produc6551080308567045442rm_a_b,Aa: set_Pr4934435412358123699_a_nat,Ba: produc6551080308567045442rm_a_b] :
              ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) @ ( produc8030969961714872974rm_a_b @ Aa @ Ba ) ) @ R3 )
             => ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Aa @ Ba ) @ ( produc8030969961714872974rm_a_b @ Bx @ By ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_81_converse__rtrancl__induct2,axiom,
    ! [Ax: nat,Ay: nat,Bx: nat,By: nat,R3: set_Pr8693737435421807431at_nat,P2: nat > nat > $o] :
      ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ Bx @ By ) ) @ ( transi8609417484261754244at_nat @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: nat,B2: nat,Aa: nat,Ba: nat] :
              ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ A2 @ B2 ) @ ( product_Pair_nat_nat @ Aa @ Ba ) ) @ R3 )
             => ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Aa @ Ba ) @ ( product_Pair_nat_nat @ Bx @ By ) ) @ ( transi8609417484261754244at_nat @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_82_converse__rtrancl__induct2,axiom,
    ! [Ax: nat,Ay: a,Bx: nat,By: a,R3: set_Pr2476087352799849863_nat_a,P2: nat > a > $o] :
      ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ Bx @ By ) ) @ ( transi5964309381062068704_nat_a @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: nat,B2: a,Aa: nat,Ba: a] :
              ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ A2 @ B2 ) @ ( product_Pair_nat_a @ Aa @ Ba ) ) @ R3 )
             => ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Aa @ Ba ) @ ( product_Pair_nat_a @ Bx @ By ) ) @ ( transi5964309381062068704_nat_a @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_83_converse__rtrancl__induct2,axiom,
    ! [Ax: b,Ay: term_a_b,Bx: b,By: term_a_b,R3: set_Pr5233514982410851781rm_a_b,P2: b > term_a_b > $o] :
      ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ Bx @ By ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: b,B2: term_a_b,Aa: b,Ba: term_a_b] :
              ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) @ ( produc1437816968797971900rm_a_b @ Aa @ Ba ) ) @ R3 )
             => ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Aa @ Ba ) @ ( produc1437816968797971900rm_a_b @ Bx @ By ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_84_converse__rtrancl__induct2,axiom,
    ! [Ax: a,Ay: a,Bx: a,By: a,R3: set_Pr8600417178894128327od_a_a,P2: a > a > $o] :
      ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ Bx @ By ) ) @ ( transi7229704755246292010od_a_a @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: a,B2: a,Aa: a,Ba: a] :
              ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ A2 @ B2 ) @ ( product_Pair_a_a @ Aa @ Ba ) ) @ R3 )
             => ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Aa @ Ba ) @ ( product_Pair_a_a @ Bx @ By ) ) @ ( transi7229704755246292010od_a_a @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_85_converse__rtrancl__induct2,axiom,
    ! [Ax: a,Ay: nat,Bx: a,By: nat,R3: set_Pr1811044260758604347_a_nat,P2: a > nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ Bx @ By ) ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: a,B2: nat,Aa: a,Ba: nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ A2 @ B2 ) @ ( product_Pair_a_nat @ Aa @ Ba ) ) @ R3 )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Aa @ Ba ) @ ( product_Pair_a_nat @ Bx @ By ) ) @ ( transi2726145917338391738_a_nat @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_86_converse__rtrancl__induct2,axiom,
    ! [Ax: term_a_b,Ay: term_a_b,Bx: term_a_b,By: term_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: term_a_b > term_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ Bx @ By ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( P2 @ Bx @ By )
       => ( ! [A2: term_a_b,B2: term_a_b,Aa: term_a_b,Ba: term_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) @ ( produc7020197800436672577rm_a_b @ Aa @ Ba ) ) @ R3 )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Aa @ Ba ) @ ( produc7020197800436672577rm_a_b @ Bx @ By ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
               => ( ( P2 @ Aa @ Ba )
                 => ( P2 @ A2 @ B2 ) ) ) )
         => ( P2 @ Ax @ Ay ) ) ) ) ).

% converse_rtrancl_induct2
thf(fact_87_converse__rtranclE2,axiom,
    ! [Xa: set_Pr4934435412358123699_a_nat,Xb: produc6551080308567045442rm_a_b,Za: set_Pr4934435412358123699_a_nat,Zb: produc6551080308567045442rm_a_b,R3: set_Pr3349378317018664967rm_a_b] :
      ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Xa @ Xb ) @ ( produc8030969961714872974rm_a_b @ Za @ Zb ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) )
     => ( ( ( produc8030969961714872974rm_a_b @ Xa @ Xb )
         != ( produc8030969961714872974rm_a_b @ Za @ Zb ) )
       => ~ ! [A2: set_Pr4934435412358123699_a_nat,B2: produc6551080308567045442rm_a_b] :
              ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Xa @ Xb ) @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) ) @ R3 )
             => ~ ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) @ ( produc8030969961714872974rm_a_b @ Za @ Zb ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_88_converse__rtranclE2,axiom,
    ! [Xa: nat,Xb: nat,Za: nat,Zb: nat,R3: set_Pr8693737435421807431at_nat] :
      ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Xa @ Xb ) @ ( product_Pair_nat_nat @ Za @ Zb ) ) @ ( transi8609417484261754244at_nat @ R3 ) )
     => ( ( ( product_Pair_nat_nat @ Xa @ Xb )
         != ( product_Pair_nat_nat @ Za @ Zb ) )
       => ~ ! [A2: nat,B2: nat] :
              ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Xa @ Xb ) @ ( product_Pair_nat_nat @ A2 @ B2 ) ) @ R3 )
             => ~ ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ A2 @ B2 ) @ ( product_Pair_nat_nat @ Za @ Zb ) ) @ ( transi8609417484261754244at_nat @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_89_converse__rtranclE2,axiom,
    ! [Xa: nat,Xb: a,Za: nat,Zb: a,R3: set_Pr2476087352799849863_nat_a] :
      ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Xa @ Xb ) @ ( product_Pair_nat_a @ Za @ Zb ) ) @ ( transi5964309381062068704_nat_a @ R3 ) )
     => ( ( ( product_Pair_nat_a @ Xa @ Xb )
         != ( product_Pair_nat_a @ Za @ Zb ) )
       => ~ ! [A2: nat,B2: a] :
              ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Xa @ Xb ) @ ( product_Pair_nat_a @ A2 @ B2 ) ) @ R3 )
             => ~ ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ A2 @ B2 ) @ ( product_Pair_nat_a @ Za @ Zb ) ) @ ( transi5964309381062068704_nat_a @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_90_converse__rtranclE2,axiom,
    ! [Xa: b,Xb: term_a_b,Za: b,Zb: term_a_b,R3: set_Pr5233514982410851781rm_a_b] :
      ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Xa @ Xb ) @ ( produc1437816968797971900rm_a_b @ Za @ Zb ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) )
     => ( ( ( produc1437816968797971900rm_a_b @ Xa @ Xb )
         != ( produc1437816968797971900rm_a_b @ Za @ Zb ) )
       => ~ ! [A2: b,B2: term_a_b] :
              ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Xa @ Xb ) @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) ) @ R3 )
             => ~ ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) @ ( produc1437816968797971900rm_a_b @ Za @ Zb ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_91_converse__rtranclE2,axiom,
    ! [Xa: a,Xb: a,Za: a,Zb: a,R3: set_Pr8600417178894128327od_a_a] :
      ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Xa @ Xb ) @ ( product_Pair_a_a @ Za @ Zb ) ) @ ( transi7229704755246292010od_a_a @ R3 ) )
     => ( ( ( product_Pair_a_a @ Xa @ Xb )
         != ( product_Pair_a_a @ Za @ Zb ) )
       => ~ ! [A2: a,B2: a] :
              ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Xa @ Xb ) @ ( product_Pair_a_a @ A2 @ B2 ) ) @ R3 )
             => ~ ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ A2 @ B2 ) @ ( product_Pair_a_a @ Za @ Zb ) ) @ ( transi7229704755246292010od_a_a @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_92_converse__rtranclE2,axiom,
    ! [Xa: a,Xb: nat,Za: a,Zb: nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Xa @ Xb ) @ ( product_Pair_a_nat @ Za @ Zb ) ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( ( product_Pair_a_nat @ Xa @ Xb )
         != ( product_Pair_a_nat @ Za @ Zb ) )
       => ~ ! [A2: a,B2: nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Xa @ Xb ) @ ( product_Pair_a_nat @ A2 @ B2 ) ) @ R3 )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ A2 @ B2 ) @ ( product_Pair_a_nat @ Za @ Zb ) ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_93_converse__rtranclE2,axiom,
    ! [Xa: term_a_b,Xb: term_a_b,Za: term_a_b,Zb: term_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Xa @ Xb ) @ ( produc7020197800436672577rm_a_b @ Za @ Zb ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( ( produc7020197800436672577rm_a_b @ Xa @ Xb )
         != ( produc7020197800436672577rm_a_b @ Za @ Zb ) )
       => ~ ! [A2: term_a_b,B2: term_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Xa @ Xb ) @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) ) @ R3 )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) @ ( produc7020197800436672577rm_a_b @ Za @ Zb ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE2
thf(fact_94_rtrancl__induct2,axiom,
    ! [Ax: set_Pr4934435412358123699_a_nat,Ay: produc6551080308567045442rm_a_b,Bx: set_Pr4934435412358123699_a_nat,By: produc6551080308567045442rm_a_b,R3: set_Pr3349378317018664967rm_a_b,P2: set_Pr4934435412358123699_a_nat > produc6551080308567045442rm_a_b > $o] :
      ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ Bx @ By ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: set_Pr4934435412358123699_a_nat,B2: produc6551080308567045442rm_a_b,Aa: set_Pr4934435412358123699_a_nat,Ba: produc6551080308567045442rm_a_b] :
              ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ Ax @ Ay ) @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) ) @ ( transi5649879975317962969rm_a_b @ R3 ) )
             => ( ( member4955916718216803920rm_a_b @ ( produc3065199688681838103rm_a_b @ ( produc8030969961714872974rm_a_b @ A2 @ B2 ) @ ( produc8030969961714872974rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_95_rtrancl__induct2,axiom,
    ! [Ax: nat,Ay: nat,Bx: nat,By: nat,R3: set_Pr8693737435421807431at_nat,P2: nat > nat > $o] :
      ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ Bx @ By ) ) @ ( transi8609417484261754244at_nat @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: nat,B2: nat,Aa: nat,Ba: nat] :
              ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ Ax @ Ay ) @ ( product_Pair_nat_nat @ A2 @ B2 ) ) @ ( transi8609417484261754244at_nat @ R3 ) )
             => ( ( member8206827879206165904at_nat @ ( produc6161850002892822231at_nat @ ( product_Pair_nat_nat @ A2 @ B2 ) @ ( product_Pair_nat_nat @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_96_rtrancl__induct2,axiom,
    ! [Ax: nat,Ay: a,Bx: nat,By: a,R3: set_Pr2476087352799849863_nat_a,P2: nat > a > $o] :
      ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ Bx @ By ) ) @ ( transi5964309381062068704_nat_a @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: nat,B2: a,Aa: nat,Ba: a] :
              ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ Ax @ Ay ) @ ( product_Pair_nat_a @ A2 @ B2 ) ) @ ( transi5964309381062068704_nat_a @ R3 ) )
             => ( ( member4761248513229532624_nat_a @ ( produc1704601171142621663_nat_a @ ( product_Pair_nat_a @ A2 @ B2 ) @ ( product_Pair_nat_a @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_97_rtrancl__induct2,axiom,
    ! [Ax: b,Ay: term_a_b,Bx: b,By: term_a_b,R3: set_Pr5233514982410851781rm_a_b,P2: b > term_a_b > $o] :
      ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ Bx @ By ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: b,B2: term_a_b,Aa: b,Ba: term_a_b] :
              ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ Ax @ Ay ) @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) ) @ ( transi2027978691874478335rm_a_b @ R3 ) )
             => ( ( member7542685802389602574rm_a_b @ ( produc411707225774285981rm_a_b @ ( produc1437816968797971900rm_a_b @ A2 @ B2 ) @ ( produc1437816968797971900rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_98_rtrancl__induct2,axiom,
    ! [Ax: a,Ay: a,Bx: a,By: a,R3: set_Pr8600417178894128327od_a_a,P2: a > a > $o] :
      ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ Bx @ By ) ) @ ( transi7229704755246292010od_a_a @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: a,B2: a,Aa: a,Ba: a] :
              ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ Ax @ Ay ) @ ( product_Pair_a_a @ A2 @ B2 ) ) @ ( transi7229704755246292010od_a_a @ R3 ) )
             => ( ( member6330455413206600464od_a_a @ ( produc7886510207707329367od_a_a @ ( product_Pair_a_a @ A2 @ B2 ) @ ( product_Pair_a_a @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_99_rtrancl__induct2,axiom,
    ! [Ax: a,Ay: nat,Bx: a,By: nat,R3: set_Pr1811044260758604347_a_nat,P2: a > nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ Bx @ By ) ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: a,B2: nat,Aa: a,Ba: nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ Ax @ Ay ) @ ( product_Pair_a_nat @ A2 @ B2 ) ) @ ( transi2726145917338391738_a_nat @ R3 ) )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ ( product_Pair_a_nat @ A2 @ B2 ) @ ( product_Pair_a_nat @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_100_rtrancl__induct2,axiom,
    ! [Ax: term_a_b,Ay: term_a_b,Bx: term_a_b,By: term_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: term_a_b > term_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ Bx @ By ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( P2 @ Ax @ Ay )
       => ( ! [A2: term_a_b,B2: term_a_b,Aa: term_a_b,Ba: term_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ Ax @ Ay ) @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) @ ( produc7020197800436672577rm_a_b @ Aa @ Ba ) ) @ R3 )
               => ( ( P2 @ A2 @ B2 )
                 => ( P2 @ Aa @ Ba ) ) ) )
         => ( P2 @ Bx @ By ) ) ) ) ).

% rtrancl_induct2
thf(fact_101_r__into__trancl_H,axiom,
    ! [P: produc4523971788519308903rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ P @ R3 )
     => ( member8417600551952982416rm_a_b @ P @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ).

% r_into_trancl'
thf(fact_102_r__into__trancl_H,axiom,
    ! [P: produc4708774622424448987_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ P @ R3 )
     => ( member9062615507155100804_a_nat @ P @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ).

% r_into_trancl'
thf(fact_103_r__into__trancl_H,axiom,
    ! [P: product_prod_a_a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ P @ R3 )
     => ( member1426531477525435216od_a_a @ P @ ( transitive_trancl_a @ R3 ) ) ) ).

% r_into_trancl'
thf(fact_104_r__into__trancl_H,axiom,
    ! [P: product_prod_nat_nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ P @ R3 )
     => ( member8440522571783428010at_nat @ P @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ).

% r_into_trancl'
thf(fact_105_r__into__trancl_H,axiom,
    ! [P: produc357393685978478089rm_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ R3 )
     => ( member5869715511025134514rm_a_b @ P @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ).

% r_into_trancl'
thf(fact_106_converse__rtrancl__into__rtrancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_107_converse__rtrancl__into__rtrancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_108_converse__rtrancl__into__rtrancl,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ ( transitive_rtrancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_rtrancl_a @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_109_converse__rtrancl__into__rtrancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R3 )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ ( transi2905341329935302413cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_110_converse__rtrancl__into__rtrancl,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,C: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ R3 )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B @ C ) @ ( transi911495901722478305rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ C ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_111_converse__rtrancl__into__rtrancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ).

% converse_rtrancl_into_rtrancl
thf(fact_112_mem__Collect__eq,axiom,
    ! [A: product_prod_nat_a,P2: product_prod_nat_a > $o] :
      ( ( member8962352052110095674_nat_a @ A @ ( collec7702297998945444472_nat_a @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_113_mem__Collect__eq,axiom,
    ! [A: product_prod_a_a,P2: product_prod_a_a > $o] :
      ( ( member1426531477525435216od_a_a @ A @ ( collec3336397797384452498od_a_a @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_114_mem__Collect__eq,axiom,
    ! [A: list_term_a_b,P2: list_term_a_b > $o] :
      ( ( member_list_term_a_b @ A @ ( collec2649484519605854073rm_a_b @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_115_mem__Collect__eq,axiom,
    ! [A: list_nat,P2: list_nat > $o] :
      ( ( member_list_nat @ A @ ( collect_list_nat @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_116_mem__Collect__eq,axiom,
    ! [A: nat,P2: nat > $o] :
      ( ( member_nat @ A @ ( collect_nat @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_117_mem__Collect__eq,axiom,
    ! [A: product_prod_a_nat,P2: product_prod_a_nat > $o] :
      ( ( member5724188588386418708_a_nat @ A @ ( collec4464134535221767506_a_nat @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_118_mem__Collect__eq,axiom,
    ! [A: produc357393685978478089rm_a_b,P2: produc357393685978478089rm_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ A @ ( collec99177395925924084rm_a_b @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_119_mem__Collect__eq,axiom,
    ! [A: term_a_b,P2: term_a_b > $o] :
      ( ( member_term_a_b @ A @ ( collect_term_a_b @ P2 ) )
      = ( P2 @ A ) ) ).

% mem_Collect_eq
thf(fact_120_Collect__mem__eq,axiom,
    ! [A3: set_Pr4193341848836149977_nat_a] :
      ( ( collec7702297998945444472_nat_a
        @ ^ [X2: product_prod_nat_a] : ( member8962352052110095674_nat_a @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_121_Collect__mem__eq,axiom,
    ! [A3: set_Product_prod_a_a] :
      ( ( collec3336397797384452498od_a_a
        @ ^ [X2: product_prod_a_a] : ( member1426531477525435216od_a_a @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_122_Collect__mem__eq,axiom,
    ! [A3: set_list_term_a_b] :
      ( ( collec2649484519605854073rm_a_b
        @ ^ [X2: list_term_a_b] : ( member_list_term_a_b @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_123_Collect__mem__eq,axiom,
    ! [A3: set_list_nat] :
      ( ( collect_list_nat
        @ ^ [X2: list_nat] : ( member_list_nat @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_124_Collect__mem__eq,axiom,
    ! [A3: set_nat] :
      ( ( collect_nat
        @ ^ [X2: nat] : ( member_nat @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_125_Collect__mem__eq,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ( collec4464134535221767506_a_nat
        @ ^ [X2: product_prod_a_nat] : ( member5724188588386418708_a_nat @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_126_Collect__mem__eq,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ( collec99177395925924084rm_a_b
        @ ^ [X2: produc357393685978478089rm_a_b] : ( member5869715511025134514rm_a_b @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_127_Collect__mem__eq,axiom,
    ! [A3: set_term_a_b] :
      ( ( collect_term_a_b
        @ ^ [X2: term_a_b] : ( member_term_a_b @ X2 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_128_Collect__cong,axiom,
    ! [P2: term_a_b > $o,Q: term_a_b > $o] :
      ( ! [X3: term_a_b] :
          ( ( P2 @ X3 )
          = ( Q @ X3 ) )
     => ( ( collect_term_a_b @ P2 )
        = ( collect_term_a_b @ Q ) ) ) ).

% Collect_cong
thf(fact_129_Collect__cong,axiom,
    ! [P2: produc357393685978478089rm_a_b > $o,Q: produc357393685978478089rm_a_b > $o] :
      ( ! [X3: produc357393685978478089rm_a_b] :
          ( ( P2 @ X3 )
          = ( Q @ X3 ) )
     => ( ( collec99177395925924084rm_a_b @ P2 )
        = ( collec99177395925924084rm_a_b @ Q ) ) ) ).

% Collect_cong
thf(fact_130_Collect__cong,axiom,
    ! [P2: product_prod_a_nat > $o,Q: product_prod_a_nat > $o] :
      ( ! [X3: product_prod_a_nat] :
          ( ( P2 @ X3 )
          = ( Q @ X3 ) )
     => ( ( collec4464134535221767506_a_nat @ P2 )
        = ( collec4464134535221767506_a_nat @ Q ) ) ) ).

% Collect_cong
thf(fact_131_converse__rtrancl__induct,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: produc357393685978478089rm_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: produc357393685978478089rm_a_b,Z: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z ) @ R3 )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Z @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_132_converse__rtrancl__induct,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,P2: product_prod_a_nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: product_prod_a_nat,Z: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z ) @ R3 )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Z @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_133_converse__rtrancl__induct,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,P2: a > $o] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: a,Z: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z ) @ R3 )
             => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Z @ B ) @ ( transitive_rtrancl_a @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_134_converse__rtrancl__induct,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,P2: nat > $o] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: nat,Z: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ R3 )
             => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Z @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_135_converse__rtrancl__induct,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,P2: list_term_a_b > $o] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: list_term_a_b,Z: list_term_a_b] :
              ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y2 @ Z ) @ R3 )
             => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Z @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_136_converse__rtrancl__induct,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,P2: term_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( P2 @ B )
       => ( ! [Y2: term_a_b,Z: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ R3 )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_rtrancl_induct
thf(fact_137_converse__rtranclE,axiom,
    ! [X: produc357393685978478089rm_a_b,Z2: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y2 ) @ R3 )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_138_converse__rtranclE,axiom,
    ! [X: product_prod_a_nat,Z2: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y2 ) @ R3 )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z2 ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_139_converse__rtranclE,axiom,
    ! [X: a,Z2: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y2 ) @ R3 )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z2 ) @ ( transitive_rtrancl_a @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_140_converse__rtranclE,axiom,
    ! [X: nat,Z2: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y2 ) @ R3 )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z2 ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_141_converse__rtranclE,axiom,
    ! [X: list_term_a_b,Z2: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Z2 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: list_term_a_b] :
              ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y2 ) @ R3 )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y2 @ Z2 ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_142_converse__rtranclE,axiom,
    ! [X: term_a_b,Z2: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( X != Z2 )
       => ~ ! [Y2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R3 )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ) ).

% converse_rtranclE
thf(fact_143_rtrancl__induct,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: produc357393685978478089rm_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: produc357393685978478089rm_a_b,Z: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ Y2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_144_rtrancl__induct,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,P2: product_prod_a_nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: product_prod_a_nat,Z: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ Y2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_145_rtrancl__induct,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,P2: a > $o] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: a,Z: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ Y2 ) @ ( transitive_rtrancl_a @ R3 ) )
             => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_146_rtrancl__induct,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,P2: nat > $o] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: nat,Z: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ Y2 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
             => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_147_rtrancl__induct,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,P2: list_term_a_b > $o] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: list_term_a_b,Z: list_term_a_b] :
              ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ Y2 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
             => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_148_rtrancl__induct,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,P2: term_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( P2 @ A )
       => ( ! [Y2: term_a_b,Z: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ Y2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% rtrancl_induct
thf(fact_149_rtrancl__trans,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,Z2: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y @ Z2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_150_rtrancl__trans,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,Z2: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y @ Z2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_151_rtrancl__trans,axiom,
    ! [X: a,Y: a,R3: set_Product_prod_a_a,Z2: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y @ Z2 ) @ ( transitive_rtrancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ ( transitive_rtrancl_a @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_152_rtrancl__trans,axiom,
    ! [X: nat,Y: nat,R3: set_Pr1261947904930325089at_nat,Z2: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y @ Z2 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_153_rtrancl__trans,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,Z2: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y @ Z2 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Z2 ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_154_rtrancl__trans,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Z2: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trans
thf(fact_155_rtranclE,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ Y2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_156_rtranclE,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ Y2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_157_rtranclE,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ Y2 ) @ ( transitive_rtrancl_a @ R3 ) )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_158_rtranclE,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ Y2 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_159_rtranclE,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: list_term_a_b] :
              ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ Y2 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_160_rtranclE,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( A != B )
       => ~ ! [Y2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ Y2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ B ) @ R3 ) ) ) ) ).

% rtranclE
thf(fact_161_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ R3 )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_162_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ R3 )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_163_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ R3 )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_rtrancl_a @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_164_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ R3 )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_165_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,C: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B @ C ) @ R3 )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ C ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_166_rtrancl_Ortrancl__into__rtrancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ R3 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ).

% rtrancl.rtrancl_into_rtrancl
thf(fact_167_rtrancl_Ortrancl__refl,axiom,
    ! [A: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] : ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ A ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_168_rtrancl_Ortrancl__refl,axiom,
    ! [A: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] : ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ A ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_169_rtrancl_Ortrancl__refl,axiom,
    ! [A: a,R3: set_Product_prod_a_a] : ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ A ) @ ( transitive_rtrancl_a @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_170_rtrancl_Ortrancl__refl,axiom,
    ! [A: nat,R3: set_Pr1261947904930325089at_nat] : ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ A ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_171_rtrancl_Ortrancl__refl,axiom,
    ! [A: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] : ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ A ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_172_rtrancl_Ortrancl__refl,axiom,
    ! [A: term_a_b,R3: set_Pr4386577575007340137rm_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ A ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ).

% rtrancl.rtrancl_refl
thf(fact_173_rtrancl_Osimps,axiom,
    ! [A1: produc357393685978478089rm_a_b,A22: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ A22 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
      = ( ? [A4: produc357393685978478089rm_a_b] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: produc357393685978478089rm_a_b,B3: produc357393685978478089rm_a_b,C2: produc357393685978478089rm_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A4 @ B3 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
            & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_174_rtrancl_Osimps,axiom,
    ! [A1: product_prod_a_nat,A22: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ A22 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
      = ( ? [A4: product_prod_a_nat] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: product_prod_a_nat,B3: product_prod_a_nat,C2: product_prod_a_nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A4 @ B3 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
            & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_175_rtrancl_Osimps,axiom,
    ! [A1: a,A22: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ A22 ) @ ( transitive_rtrancl_a @ R3 ) )
      = ( ? [A4: a] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: a,B3: a,C2: a] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A4 @ B3 ) @ ( transitive_rtrancl_a @ R3 ) )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_176_rtrancl_Osimps,axiom,
    ! [A1: nat,A22: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ A22 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
      = ( ? [A4: nat] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: nat,B3: nat,C2: nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A4 @ B3 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_177_rtrancl_Osimps,axiom,
    ! [A1: list_term_a_b,A22: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A1 @ A22 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
      = ( ? [A4: list_term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: list_term_a_b,B3: list_term_a_b,C2: list_term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A4 @ B3 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
            & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_178_rtrancl_Osimps,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
      = ( ? [A4: term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = A4 ) )
        | ? [A4: term_a_b,B3: term_a_b,C2: term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A4 @ B3 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B3 @ C2 ) @ R3 ) ) ) ) ).

% rtrancl.simps
thf(fact_179_rtrancl_Ocases,axiom,
    ! [A1: produc357393685978478089rm_a_b,A22: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ A22 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ B2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_180_rtrancl_Ocases,axiom,
    ! [A1: product_prod_a_nat,A22: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ A22 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ B2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_181_rtrancl_Ocases,axiom,
    ! [A1: a,A22: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ A22 ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ B2 ) @ ( transitive_rtrancl_a @ R3 ) )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_182_rtrancl_Ocases,axiom,
    ! [A1: nat,A22: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ A22 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ B2 ) @ ( transi2905341329935302413cl_nat @ R3 ) )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_183_rtrancl_Ocases,axiom,
    ! [A1: list_term_a_b,A22: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A1 @ A22 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: list_term_a_b] :
              ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A1 @ B2 ) @ ( transi911495901722478305rm_a_b @ R3 ) )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_184_rtrancl_Ocases,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( A22 != A1 )
       => ~ ! [B2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ B2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B2 @ A22 ) @ R3 ) ) ) ) ).

% rtrancl.cases
thf(fact_185_converse__trancl__induct,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: produc357393685978478089rm_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ! [Y2: produc357393685978478089rm_a_b] :
            ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ B ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: produc357393685978478089rm_a_b,Z: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z ) @ R3 )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Z @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_trancl_induct
thf(fact_186_converse__trancl__induct,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,P2: product_prod_a_nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ! [Y2: product_prod_a_nat] :
            ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ B ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: product_prod_a_nat,Z: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z ) @ R3 )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Z @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_trancl_induct
thf(fact_187_converse__trancl__induct,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,P2: a > $o] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) )
     => ( ! [Y2: a] :
            ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ B ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: a,Z: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z ) @ R3 )
             => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Z @ B ) @ ( transitive_trancl_a @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_trancl_induct
thf(fact_188_converse__trancl__induct,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,P2: nat > $o] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ! [Y2: nat] :
            ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ B ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: nat,Z: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ R3 )
             => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Z @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_trancl_induct
thf(fact_189_converse__trancl__induct,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,P2: term_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ! [Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ B ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: term_a_b,Z: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ R3 )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
               => ( ( P2 @ Z )
                 => ( P2 @ Y2 ) ) ) )
         => ( P2 @ A ) ) ) ) ).

% converse_trancl_induct
thf(fact_190_trancl__trans__induct,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: produc357393685978478089rm_a_b > produc357393685978478089rm_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ! [X3: produc357393685978478089rm_a_b,Y2: produc357393685978478089rm_a_b] :
            ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X3 @ Y2 ) @ R3 )
           => ( P2 @ X3 @ Y2 ) )
       => ( ! [X3: produc357393685978478089rm_a_b,Y2: produc357393685978478089rm_a_b,Z: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X3 @ Y2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
             => ( ( P2 @ X3 @ Y2 )
               => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
                 => ( ( P2 @ Y2 @ Z )
                   => ( P2 @ X3 @ Z ) ) ) ) )
         => ( P2 @ X @ Y ) ) ) ) ).

% trancl_trans_induct
thf(fact_191_trancl__trans__induct,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,P2: product_prod_a_nat > product_prod_a_nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ! [X3: product_prod_a_nat,Y2: product_prod_a_nat] :
            ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X3 @ Y2 ) @ R3 )
           => ( P2 @ X3 @ Y2 ) )
       => ( ! [X3: product_prod_a_nat,Y2: product_prod_a_nat,Z: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X3 @ Y2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
             => ( ( P2 @ X3 @ Y2 )
               => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z ) @ ( transi6805586507763294364_a_nat @ R3 ) )
                 => ( ( P2 @ Y2 @ Z )
                   => ( P2 @ X3 @ Z ) ) ) ) )
         => ( P2 @ X @ Y ) ) ) ) ).

% trancl_trans_induct
thf(fact_192_trancl__trans__induct,axiom,
    ! [X: a,Y: a,R3: set_Product_prod_a_a,P2: a > a > $o] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_trancl_a @ R3 ) )
     => ( ! [X3: a,Y2: a] :
            ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X3 @ Y2 ) @ R3 )
           => ( P2 @ X3 @ Y2 ) )
       => ( ! [X3: a,Y2: a,Z: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X3 @ Y2 ) @ ( transitive_trancl_a @ R3 ) )
             => ( ( P2 @ X3 @ Y2 )
               => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z ) @ ( transitive_trancl_a @ R3 ) )
                 => ( ( P2 @ Y2 @ Z )
                   => ( P2 @ X3 @ Z ) ) ) ) )
         => ( P2 @ X @ Y ) ) ) ) ).

% trancl_trans_induct
thf(fact_193_trancl__trans__induct,axiom,
    ! [X: nat,Y: nat,R3: set_Pr1261947904930325089at_nat,P2: nat > nat > $o] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ! [X3: nat,Y2: nat] :
            ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X3 @ Y2 ) @ R3 )
           => ( P2 @ X3 @ Y2 ) )
       => ( ! [X3: nat,Y2: nat,Z: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X3 @ Y2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
             => ( ( P2 @ X3 @ Y2 )
               => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ ( transi6264000038957366511cl_nat @ R3 ) )
                 => ( ( P2 @ Y2 @ Z )
                   => ( P2 @ X3 @ Z ) ) ) ) )
         => ( P2 @ X @ Y ) ) ) ) ).

% trancl_trans_induct
thf(fact_194_trancl__trans__induct,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,P2: term_a_b > term_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ! [X3: term_a_b,Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
           => ( P2 @ X3 @ Y2 ) )
       => ( ! [X3: term_a_b,Y2: term_a_b,Z: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
             => ( ( P2 @ X3 @ Y2 )
               => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
                 => ( ( P2 @ Y2 @ Z )
                   => ( P2 @ X3 @ Z ) ) ) ) )
         => ( P2 @ X @ Y ) ) ) ) ).

% trancl_trans_induct
thf(fact_195_trancl__into__trancl2,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% trancl_into_trancl2
thf(fact_196_trancl__into__trancl2,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% trancl_into_trancl2
thf(fact_197_trancl__into__trancl2,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ ( transitive_trancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% trancl_into_trancl2
thf(fact_198_trancl__into__trancl2,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R3 )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% trancl_into_trancl2
thf(fact_199_trancl__into__trancl2,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% trancl_into_trancl2
thf(fact_200_Transitive__Closure_Otrancl__into__trancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ R3 )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% Transitive_Closure.trancl_into_trancl
thf(fact_201_Transitive__Closure_Otrancl__into__trancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ R3 )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% Transitive_Closure.trancl_into_trancl
thf(fact_202_Transitive__Closure_Otrancl__into__trancl,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ R3 )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% Transitive_Closure.trancl_into_trancl
thf(fact_203_Transitive__Closure_Otrancl__into__trancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ R3 )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% Transitive_Closure.trancl_into_trancl
thf(fact_204_Transitive__Closure_Otrancl__into__trancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ R3 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% Transitive_Closure.trancl_into_trancl
thf(fact_205_irrefl__trancl__rD,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b] :
      ( ! [X3: produc357393685978478089rm_a_b] :
          ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X3 @ X3 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ R3 )
       => ( X != Y ) ) ) ).

% irrefl_trancl_rD
thf(fact_206_irrefl__trancl__rD,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,X: product_prod_a_nat,Y: product_prod_a_nat] :
      ( ! [X3: product_prod_a_nat] :
          ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X3 @ X3 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ R3 )
       => ( X != Y ) ) ) ).

% irrefl_trancl_rD
thf(fact_207_irrefl__trancl__rD,axiom,
    ! [R3: set_Product_prod_a_a,X: a,Y: a] :
      ( ! [X3: a] :
          ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X3 @ X3 ) @ ( transitive_trancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ R3 )
       => ( X != Y ) ) ) ).

% irrefl_trancl_rD
thf(fact_208_irrefl__trancl__rD,axiom,
    ! [R3: set_Pr1261947904930325089at_nat,X: nat,Y: nat] :
      ( ! [X3: nat] :
          ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X3 @ X3 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ R3 )
       => ( X != Y ) ) ) ).

% irrefl_trancl_rD
thf(fact_209_irrefl__trancl__rD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ! [X3: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
       => ( X != Y ) ) ) ).

% irrefl_trancl_rD
thf(fact_210_converse__tranclE,axiom,
    ! [X: produc357393685978478089rm_a_b,Z2: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ R3 )
       => ~ ! [Y2: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y2 ) @ R3 )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ) ).

% converse_tranclE
thf(fact_211_converse__tranclE,axiom,
    ! [X: product_prod_a_nat,Z2: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ R3 )
       => ~ ! [Y2: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y2 ) @ R3 )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ) ).

% converse_tranclE
thf(fact_212_converse__tranclE,axiom,
    ! [X: a,Z2: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ ( transitive_trancl_a @ R3 ) )
     => ( ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ R3 )
       => ~ ! [Y2: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y2 ) @ R3 )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z2 ) @ ( transitive_trancl_a @ R3 ) ) ) ) ) ).

% converse_tranclE
thf(fact_213_converse__tranclE,axiom,
    ! [X: nat,Z2: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ R3 )
       => ~ ! [Y2: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y2 ) @ R3 )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ) ).

% converse_tranclE
thf(fact_214_converse__tranclE,axiom,
    ! [X: term_a_b,Z2: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ R3 )
       => ~ ! [Y2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R3 )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ) ).

% converse_tranclE
thf(fact_215_r__r__into__trancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R2: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R2 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ R2 )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R2 ) ) ) ) ).

% r_r_into_trancl
thf(fact_216_r__r__into__trancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R2: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R2 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ R2 )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R2 ) ) ) ) ).

% r_r_into_trancl
thf(fact_217_r__r__into__trancl,axiom,
    ! [A: a,B: a,R2: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R2 )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ R2 )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R2 ) ) ) ) ).

% r_r_into_trancl
thf(fact_218_r__r__into__trancl,axiom,
    ! [A: nat,B: nat,R2: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R2 )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ R2 )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R2 ) ) ) ) ).

% r_r_into_trancl
thf(fact_219_r__r__into__trancl,axiom,
    ! [A: term_a_b,B: term_a_b,R2: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R2 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ R2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R2 ) ) ) ) ).

% r_r_into_trancl
thf(fact_220_trancl__induct,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,P2: produc357393685978478089rm_a_b > $o] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ! [Y2: produc357393685978478089rm_a_b] :
            ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ Y2 ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: produc357393685978478089rm_a_b,Z: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ Y2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
             => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% trancl_induct
thf(fact_221_trancl__induct,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,P2: product_prod_a_nat > $o] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ! [Y2: product_prod_a_nat] :
            ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ Y2 ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: product_prod_a_nat,Z: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ Y2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
             => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% trancl_induct
thf(fact_222_trancl__induct,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,P2: a > $o] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) )
     => ( ! [Y2: a] :
            ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ Y2 ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: a,Z: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ Y2 ) @ ( transitive_trancl_a @ R3 ) )
             => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% trancl_induct
thf(fact_223_trancl__induct,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,P2: nat > $o] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ! [Y2: nat] :
            ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ Y2 ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: nat,Z: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ Y2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
             => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% trancl_induct
thf(fact_224_trancl__induct,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,P2: term_a_b > $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ! [Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ Y2 ) @ R3 )
           => ( P2 @ Y2 ) )
       => ( ! [Y2: term_a_b,Z: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ Y2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ R3 )
               => ( ( P2 @ Y2 )
                 => ( P2 @ Z ) ) ) )
         => ( P2 @ B ) ) ) ) ).

% trancl_induct
thf(fact_225_trancl__trans,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,Z2: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% trancl_trans
thf(fact_226_trancl__trans,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,Z2: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% trancl_trans
thf(fact_227_trancl__trans,axiom,
    ! [X: a,Y: a,R3: set_Product_prod_a_a,Z2: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_trancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y @ Z2 ) @ ( transitive_trancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% trancl_trans
thf(fact_228_trancl__trans,axiom,
    ! [X: nat,Y: nat,R3: set_Pr1261947904930325089at_nat,Z2: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% trancl_trans
thf(fact_229_trancl__trans,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Z2: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% trancl_trans
thf(fact_230_tranclE,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
       => ~ ! [C3: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C3 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ C3 @ B ) @ R3 ) ) ) ) ).

% tranclE
thf(fact_231_tranclE,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
       => ~ ! [C3: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C3 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ C3 @ B ) @ R3 ) ) ) ) ).

% tranclE
thf(fact_232_tranclE,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) )
     => ( ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
       => ~ ! [C3: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C3 ) @ ( transitive_trancl_a @ R3 ) )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ C3 @ B ) @ R3 ) ) ) ) ).

% tranclE
thf(fact_233_tranclE,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R3 )
       => ~ ! [C3: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C3 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ C3 @ B ) @ R3 ) ) ) ) ).

% tranclE
thf(fact_234_tranclE,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
       => ~ ! [C3: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C3 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C3 @ B ) @ R3 ) ) ) ) ).

% tranclE
thf(fact_235_trancl_Or__into__trancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
     => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ).

% trancl.r_into_trancl
thf(fact_236_trancl_Or__into__trancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
     => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ).

% trancl.r_into_trancl
thf(fact_237_trancl_Or__into__trancl,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
     => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) ) ) ).

% trancl.r_into_trancl
thf(fact_238_trancl_Or__into__trancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R3 )
     => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ).

% trancl.r_into_trancl
thf(fact_239_trancl_Or__into__trancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ).

% trancl.r_into_trancl
thf(fact_240_trancl_Osimps,axiom,
    ! [A1: produc357393685978478089rm_a_b,A22: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ A22 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
      = ( ? [A4: produc357393685978478089rm_a_b,B3: produc357393685978478089rm_a_b] :
            ( ( A1 = A4 )
            & ( A22 = B3 )
            & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A4 @ B3 ) @ R3 ) )
        | ? [A4: produc357393685978478089rm_a_b,B3: produc357393685978478089rm_a_b,C2: produc357393685978478089rm_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A4 @ B3 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
            & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B3 @ C2 ) @ R3 ) ) ) ) ).

% trancl.simps
thf(fact_241_trancl_Osimps,axiom,
    ! [A1: product_prod_a_nat,A22: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ A22 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
      = ( ? [A4: product_prod_a_nat,B3: product_prod_a_nat] :
            ( ( A1 = A4 )
            & ( A22 = B3 )
            & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A4 @ B3 ) @ R3 ) )
        | ? [A4: product_prod_a_nat,B3: product_prod_a_nat,C2: product_prod_a_nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A4 @ B3 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
            & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B3 @ C2 ) @ R3 ) ) ) ) ).

% trancl.simps
thf(fact_242_trancl_Osimps,axiom,
    ! [A1: a,A22: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ A22 ) @ ( transitive_trancl_a @ R3 ) )
      = ( ? [A4: a,B3: a] :
            ( ( A1 = A4 )
            & ( A22 = B3 )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A4 @ B3 ) @ R3 ) )
        | ? [A4: a,B3: a,C2: a] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A4 @ B3 ) @ ( transitive_trancl_a @ R3 ) )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B3 @ C2 ) @ R3 ) ) ) ) ).

% trancl.simps
thf(fact_243_trancl_Osimps,axiom,
    ! [A1: nat,A22: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ A22 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
      = ( ? [A4: nat,B3: nat] :
            ( ( A1 = A4 )
            & ( A22 = B3 )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A4 @ B3 ) @ R3 ) )
        | ? [A4: nat,B3: nat,C2: nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A4 @ B3 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B3 @ C2 ) @ R3 ) ) ) ) ).

% trancl.simps
thf(fact_244_trancl_Osimps,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
      = ( ? [A4: term_a_b,B3: term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = B3 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A4 @ B3 ) @ R3 ) )
        | ? [A4: term_a_b,B3: term_a_b,C2: term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A4 @ B3 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B3 @ C2 ) @ R3 ) ) ) ) ).

% trancl.simps
thf(fact_245_trancl_Ocases,axiom,
    ! [A1: produc357393685978478089rm_a_b,A22: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ A22 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ A22 ) @ R3 )
       => ~ ! [B2: produc357393685978478089rm_a_b] :
              ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A1 @ B2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
             => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B2 @ A22 ) @ R3 ) ) ) ) ).

% trancl.cases
thf(fact_246_trancl_Ocases,axiom,
    ! [A1: product_prod_a_nat,A22: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ A22 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ A22 ) @ R3 )
       => ~ ! [B2: product_prod_a_nat] :
              ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A1 @ B2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
             => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B2 @ A22 ) @ R3 ) ) ) ) ).

% trancl.cases
thf(fact_247_trancl_Ocases,axiom,
    ! [A1: a,A22: a,R3: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ A22 ) @ ( transitive_trancl_a @ R3 ) )
     => ( ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ A22 ) @ R3 )
       => ~ ! [B2: a] :
              ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ B2 ) @ ( transitive_trancl_a @ R3 ) )
             => ~ ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B2 @ A22 ) @ R3 ) ) ) ) ).

% trancl.cases
thf(fact_248_trancl_Ocases,axiom,
    ! [A1: nat,A22: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ A22 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ A22 ) @ R3 )
       => ~ ! [B2: nat] :
              ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A1 @ B2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B2 @ A22 ) @ R3 ) ) ) ) ).

% trancl.cases
thf(fact_249_trancl_Ocases,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ R3 )
       => ~ ! [B2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ B2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B2 @ A22 ) @ R3 ) ) ) ) ).

% trancl.cases
thf(fact_250_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,S: set_Pr2972776593051762503rm_a_b] :
      ( ( ord_le2593958535671617255rm_a_b @ R3 @ ( transi2615809358984392588rm_a_b @ S ) )
     => ( ord_le2593958535671617255rm_a_b @ ( transi2615809358984392588rm_a_b @ R3 ) @ ( transi2615809358984392588rm_a_b @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_251_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,S: set_Pr1811044260758604347_a_nat] :
      ( ( ord_le1018141841545957851_a_nat @ R3 @ ( transi2726145917338391738_a_nat @ S ) )
     => ( ord_le1018141841545957851_a_nat @ ( transi2726145917338391738_a_nat @ R3 ) @ ( transi2726145917338391738_a_nat @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_252_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Pr8564414093027780873rm_a_b,S: set_Pr8564414093027780873rm_a_b] :
      ( ( ord_le7771511673815134377rm_a_b @ R3 @ ( transi911495901722478305rm_a_b @ S ) )
     => ( ord_le7771511673815134377rm_a_b @ ( transi911495901722478305rm_a_b @ R3 ) @ ( transi911495901722478305rm_a_b @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_253_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Pr1261947904930325089at_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( ord_le3146513528884898305at_nat @ R3 @ ( transi2905341329935302413cl_nat @ S ) )
     => ( ord_le3146513528884898305at_nat @ ( transi2905341329935302413cl_nat @ R3 ) @ ( transi2905341329935302413cl_nat @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_254_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Product_prod_a_a,S: set_Product_prod_a_a] :
      ( ( ord_le746702958409616551od_a_a @ R3 @ ( transitive_rtrancl_a @ S ) )
     => ( ord_le746702958409616551od_a_a @ ( transitive_rtrancl_a @ R3 ) @ ( transitive_rtrancl_a @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_255_rtrancl__subset__rtrancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ R3 @ ( transi7742714808557438673rm_a_b @ S ) )
     => ( ord_le118470702582115849rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) @ ( transi7742714808557438673rm_a_b @ S ) ) ) ).

% rtrancl_subset_rtrancl
thf(fact_256_rtrancl__subset,axiom,
    ! [R2: set_Pr2972776593051762503rm_a_b,S3: set_Pr2972776593051762503rm_a_b] :
      ( ( ord_le2593958535671617255rm_a_b @ R2 @ S3 )
     => ( ( ord_le2593958535671617255rm_a_b @ S3 @ ( transi2615809358984392588rm_a_b @ R2 ) )
       => ( ( transi2615809358984392588rm_a_b @ S3 )
          = ( transi2615809358984392588rm_a_b @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_257_rtrancl__subset,axiom,
    ! [R2: set_Pr1811044260758604347_a_nat,S3: set_Pr1811044260758604347_a_nat] :
      ( ( ord_le1018141841545957851_a_nat @ R2 @ S3 )
     => ( ( ord_le1018141841545957851_a_nat @ S3 @ ( transi2726145917338391738_a_nat @ R2 ) )
       => ( ( transi2726145917338391738_a_nat @ S3 )
          = ( transi2726145917338391738_a_nat @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_258_rtrancl__subset,axiom,
    ! [R2: set_Pr8564414093027780873rm_a_b,S3: set_Pr8564414093027780873rm_a_b] :
      ( ( ord_le7771511673815134377rm_a_b @ R2 @ S3 )
     => ( ( ord_le7771511673815134377rm_a_b @ S3 @ ( transi911495901722478305rm_a_b @ R2 ) )
       => ( ( transi911495901722478305rm_a_b @ S3 )
          = ( transi911495901722478305rm_a_b @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_259_rtrancl__subset,axiom,
    ! [R2: set_Pr1261947904930325089at_nat,S3: set_Pr1261947904930325089at_nat] :
      ( ( ord_le3146513528884898305at_nat @ R2 @ S3 )
     => ( ( ord_le3146513528884898305at_nat @ S3 @ ( transi2905341329935302413cl_nat @ R2 ) )
       => ( ( transi2905341329935302413cl_nat @ S3 )
          = ( transi2905341329935302413cl_nat @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_260_rtrancl__subset,axiom,
    ! [R2: set_Product_prod_a_a,S3: set_Product_prod_a_a] :
      ( ( ord_le746702958409616551od_a_a @ R2 @ S3 )
     => ( ( ord_le746702958409616551od_a_a @ S3 @ ( transitive_rtrancl_a @ R2 ) )
       => ( ( transitive_rtrancl_a @ S3 )
          = ( transitive_rtrancl_a @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_261_rtrancl__subset,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ R2 @ S3 )
     => ( ( ord_le118470702582115849rm_a_b @ S3 @ ( transi7742714808557438673rm_a_b @ R2 ) )
       => ( ( transi7742714808557438673rm_a_b @ S3 )
          = ( transi7742714808557438673rm_a_b @ R2 ) ) ) ) ).

% rtrancl_subset
thf(fact_262_rtrancl__mono,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,S: set_Pr2972776593051762503rm_a_b] :
      ( ( ord_le2593958535671617255rm_a_b @ R3 @ S )
     => ( ord_le2593958535671617255rm_a_b @ ( transi2615809358984392588rm_a_b @ R3 ) @ ( transi2615809358984392588rm_a_b @ S ) ) ) ).

% rtrancl_mono
thf(fact_263_rtrancl__mono,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,S: set_Pr1811044260758604347_a_nat] :
      ( ( ord_le1018141841545957851_a_nat @ R3 @ S )
     => ( ord_le1018141841545957851_a_nat @ ( transi2726145917338391738_a_nat @ R3 ) @ ( transi2726145917338391738_a_nat @ S ) ) ) ).

% rtrancl_mono
thf(fact_264_rtrancl__mono,axiom,
    ! [R3: set_Pr8564414093027780873rm_a_b,S: set_Pr8564414093027780873rm_a_b] :
      ( ( ord_le7771511673815134377rm_a_b @ R3 @ S )
     => ( ord_le7771511673815134377rm_a_b @ ( transi911495901722478305rm_a_b @ R3 ) @ ( transi911495901722478305rm_a_b @ S ) ) ) ).

% rtrancl_mono
thf(fact_265_rtrancl__mono,axiom,
    ! [R3: set_Pr1261947904930325089at_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( ord_le3146513528884898305at_nat @ R3 @ S )
     => ( ord_le3146513528884898305at_nat @ ( transi2905341329935302413cl_nat @ R3 ) @ ( transi2905341329935302413cl_nat @ S ) ) ) ).

% rtrancl_mono
thf(fact_266_rtrancl__mono,axiom,
    ! [R3: set_Product_prod_a_a,S: set_Product_prod_a_a] :
      ( ( ord_le746702958409616551od_a_a @ R3 @ S )
     => ( ord_le746702958409616551od_a_a @ ( transitive_rtrancl_a @ R3 ) @ ( transitive_rtrancl_a @ S ) ) ) ).

% rtrancl_mono
thf(fact_267_rtrancl__mono,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ R3 @ S )
     => ( ord_le118470702582115849rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) @ ( transi7742714808557438673rm_a_b @ S ) ) ) ).

% rtrancl_mono
thf(fact_268_trancl__mono,axiom,
    ! [P: produc4523971788519308903rm_a_b,R3: set_Pr2972776593051762503rm_a_b,S: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ P @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ( ord_le2593958535671617255rm_a_b @ R3 @ S )
       => ( member8417600551952982416rm_a_b @ P @ ( transi9211502839322181930rm_a_b @ S ) ) ) ) ).

% trancl_mono
thf(fact_269_trancl__mono,axiom,
    ! [P: produc4708774622424448987_a_nat,R3: set_Pr1811044260758604347_a_nat,S: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ P @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ( ord_le1018141841545957851_a_nat @ R3 @ S )
       => ( member9062615507155100804_a_nat @ P @ ( transi6805586507763294364_a_nat @ S ) ) ) ) ).

% trancl_mono
thf(fact_270_trancl__mono,axiom,
    ! [P: produc51424535725745577rm_a_b,R3: set_Pr8564414093027780873rm_a_b,S: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ P @ ( transi4990936492147380931rm_a_b @ R3 ) )
     => ( ( ord_le7771511673815134377rm_a_b @ R3 @ S )
       => ( member4405265420456397394rm_a_b @ P @ ( transi4990936492147380931rm_a_b @ S ) ) ) ) ).

% trancl_mono
thf(fact_271_trancl__mono,axiom,
    ! [P: product_prod_nat_nat,R3: set_Pr1261947904930325089at_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ P @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ( ord_le3146513528884898305at_nat @ R3 @ S )
       => ( member8440522571783428010at_nat @ P @ ( transi6264000038957366511cl_nat @ S ) ) ) ) ).

% trancl_mono
thf(fact_272_trancl__mono,axiom,
    ! [P: product_prod_a_a,R3: set_Product_prod_a_a,S: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ P @ ( transitive_trancl_a @ R3 ) )
     => ( ( ord_le746702958409616551od_a_a @ R3 @ S )
       => ( member1426531477525435216od_a_a @ P @ ( transitive_trancl_a @ S ) ) ) ) ).

% trancl_mono
thf(fact_273_trancl__mono,axiom,
    ! [P: produc357393685978478089rm_a_b,R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ( ord_le118470702582115849rm_a_b @ R3 @ S )
       => ( member5869715511025134514rm_a_b @ P @ ( transi7922773638565587891rm_a_b @ S ) ) ) ) ).

% trancl_mono
thf(fact_274_trancl__rtrancl__trancl,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_275_trancl__rtrancl__trancl,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi6805586507763294364_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_276_trancl__rtrancl__trancl,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_trancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ ( transitive_rtrancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_277_trancl__rtrancl__trancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ ( transi2905341329935302413cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_278_trancl__rtrancl__trancl,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,C: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi4990936492147380931rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B @ C ) @ ( transi911495901722478305rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ C ) @ ( transi4990936492147380931rm_a_b @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_279_trancl__rtrancl__trancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% trancl_rtrancl_trancl
thf(fact_280_rtrancl__trancl__trancl,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,Z2: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_281_rtrancl__trancl__trancl,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,Z2: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_282_rtrancl__trancl__trancl,axiom,
    ! [X: a,Y: a,R3: set_Product_prod_a_a,Z2: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ Y @ Z2 ) @ ( transitive_trancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Z2 ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_283_rtrancl__trancl__trancl,axiom,
    ! [X: nat,Y: nat,R3: set_Pr1261947904930325089at_nat,Z2: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Z2 ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_284_rtrancl__trancl__trancl,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,Z2: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Y @ Z2 ) @ ( transi4990936492147380931rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Z2 ) @ ( transi4990936492147380931rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_285_rtrancl__trancl__trancl,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Z2: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% rtrancl_trancl_trancl
thf(fact_286_rtrancl__into__trancl2,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_287_rtrancl__into__trancl2,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_288_rtrancl__into__trancl2,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ ( transitive_rtrancl_a @ R3 ) )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_289_rtrancl__into__trancl2,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ R3 )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ ( transi2905341329935302413cl_nat @ R3 ) )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_290_rtrancl__into__trancl2,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,C: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ R3 )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B @ C ) @ ( transi911495901722478305rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ C ) @ ( transi4990936492147380931rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_291_rtrancl__into__trancl2,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl2
thf(fact_292_rtrancl__into__trancl1,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ R3 )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi9211502839322181930rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_293_rtrancl__into__trancl1,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat,C: product_prod_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ R3 )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi6805586507763294364_a_nat @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_294_rtrancl__into__trancl1,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ ( transitive_rtrancl_a @ R3 ) )
     => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ B @ C ) @ R3 )
       => ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ C ) @ ( transitive_trancl_a @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_295_rtrancl__into__trancl1,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat,C: nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ R3 )
       => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ C ) @ ( transi6264000038957366511cl_nat @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_296_rtrancl__into__trancl1,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b,C: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ B @ C ) @ R3 )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ C ) @ ( transi4990936492147380931rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_297_rtrancl__into__trancl1,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ R3 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7922773638565587891rm_a_b @ R3 ) ) ) ) ).

% rtrancl_into_trancl1
thf(fact_298_rtrancl__eq__or__trancl,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R2: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi2615809358984392588rm_a_b @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi9211502839322181930rm_a_b @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_299_rtrancl__eq__or__trancl,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R2: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi2726145917338391738_a_nat @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi6805586507763294364_a_nat @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_300_rtrancl__eq__or__trancl,axiom,
    ! [X: a,Y: a,R2: set_Product_prod_a_a] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_rtrancl_a @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X @ Y ) @ ( transitive_trancl_a @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_301_rtrancl__eq__or__trancl,axiom,
    ! [X: nat,Y: nat,R2: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi2905341329935302413cl_nat @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ X @ Y ) @ ( transi6264000038957366511cl_nat @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_302_rtrancl__eq__or__trancl,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R2: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi911495901722478305rm_a_b @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi4990936492147380931rm_a_b @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_303_rtrancl__eq__or__trancl,axiom,
    ! [X: term_a_b,Y: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
      = ( ( X = Y )
        | ( ( X != Y )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R2 ) ) ) ) ) ).

% rtrancl_eq_or_trancl
thf(fact_304_trancl__into__rtrancl,axiom,
    ! [A: nat,B: nat,R3: set_Pr1261947904930325089at_nat] :
      ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi6264000038957366511cl_nat @ R3 ) )
     => ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ A @ B ) @ ( transi2905341329935302413cl_nat @ R3 ) ) ) ).

% trancl_into_rtrancl
thf(fact_305_trancl__into__rtrancl,axiom,
    ! [A: list_term_a_b,B: list_term_a_b,R3: set_Pr8564414093027780873rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi4990936492147380931rm_a_b @ R3 ) )
     => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A @ B ) @ ( transi911495901722478305rm_a_b @ R3 ) ) ) ).

% trancl_into_rtrancl
thf(fact_306_trancl__into__rtrancl,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ).

% trancl_into_rtrancl
thf(fact_307_set__list__subset__eq__nth__conv,axiom,
    ! [Xs: list_P8875379029341186191rm_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( set_Pr2370880052973118494rm_a_b @ Xs ) @ A3 )
      = ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8600120110137556219rm_a_b @ Xs ) )
           => ( member5869715511025134514rm_a_b @ ( nth_Pr1098598711982373392rm_a_b @ Xs @ I2 ) @ A3 ) ) ) ) ).

% set_list_subset_eq_nth_conv
thf(fact_308_set__list__subset__eq__nth__conv,axiom,
    ! [Xs: list_term_a_b,A3: set_term_a_b] :
      ( ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ Xs ) @ A3 )
      = ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
           => ( member_term_a_b @ ( nth_term_a_b @ Xs @ I2 ) @ A3 ) ) ) ) ).

% set_list_subset_eq_nth_conv
thf(fact_309_set__list__subset__eq__nth__conv,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,A3: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ Xs ) @ A3 )
      = ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s984997627204368545_a_nat @ Xs ) )
           => ( member5724188588386418708_a_nat @ ( nth_Pr8461465654520414006_a_nat @ Xs @ I2 ) @ A3 ) ) ) ) ).

% set_list_subset_eq_nth_conv
thf(fact_310_rsteps__srstepsI,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,S: term_a_b,T: term_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ) ).

% rsteps_srstepsI
thf(fact_311_ex__set__conv__ex__nth,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ( ? [X2: term_a_b] :
            ( ( member_term_a_b @ X2 @ ( set_term_a_b2 @ Xs ) )
            & ( P2 @ X2 ) ) )
      = ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
            & ( P2 @ ( nth_term_a_b @ Xs @ I2 ) ) ) ) ) ).

% ex_set_conv_ex_nth
thf(fact_312_all__set__conv__all__nth,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ( ! [X2: term_a_b] :
            ( ( member_term_a_b @ X2 @ ( set_term_a_b2 @ Xs ) )
           => ( P2 @ X2 ) ) )
      = ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
           => ( P2 @ ( nth_term_a_b @ Xs @ I2 ) ) ) ) ) ).

% all_set_conv_all_nth
thf(fact_313_all__nth__imp__all__set,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,P2: product_prod_a_nat > $o,X: product_prod_a_nat] :
      ( ! [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s984997627204368545_a_nat @ Xs ) )
         => ( P2 @ ( nth_Pr8461465654520414006_a_nat @ Xs @ I3 ) ) )
     => ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
       => ( P2 @ X ) ) ) ).

% all_nth_imp_all_set
thf(fact_314_all__nth__imp__all__set,axiom,
    ! [Xs: list_P8875379029341186191rm_a_b,P2: produc357393685978478089rm_a_b > $o,X: produc357393685978478089rm_a_b] :
      ( ! [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s8600120110137556219rm_a_b @ Xs ) )
         => ( P2 @ ( nth_Pr1098598711982373392rm_a_b @ Xs @ I3 ) ) )
     => ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
       => ( P2 @ X ) ) ) ).

% all_nth_imp_all_set
thf(fact_315_all__nth__imp__all__set,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o,X: term_a_b] :
      ( ! [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
         => ( P2 @ ( nth_term_a_b @ Xs @ I3 ) ) )
     => ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
       => ( P2 @ X ) ) ) ).

% all_nth_imp_all_set
thf(fact_316_in__set__idx,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ? [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s984997627204368545_a_nat @ Xs ) )
          & ( ( nth_Pr8461465654520414006_a_nat @ Xs @ I3 )
            = X ) ) ) ).

% in_set_idx
thf(fact_317_in__set__idx,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ? [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s8600120110137556219rm_a_b @ Xs ) )
          & ( ( nth_Pr1098598711982373392rm_a_b @ Xs @ I3 )
            = X ) ) ) ).

% in_set_idx
thf(fact_318_in__set__idx,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ? [I3: nat] :
          ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
          & ( ( nth_term_a_b @ Xs @ I3 )
            = X ) ) ) ).

% in_set_idx
thf(fact_319_in__set__conv__nth,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
      = ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s984997627204368545_a_nat @ Xs ) )
            & ( ( nth_Pr8461465654520414006_a_nat @ Xs @ I2 )
              = X ) ) ) ) ).

% in_set_conv_nth
thf(fact_320_in__set__conv__nth,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
      = ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8600120110137556219rm_a_b @ Xs ) )
            & ( ( nth_Pr1098598711982373392rm_a_b @ Xs @ I2 )
              = X ) ) ) ) ).

% in_set_conv_nth
thf(fact_321_in__set__conv__nth,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
      = ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
            & ( ( nth_term_a_b @ Xs @ I2 )
              = X ) ) ) ) ).

% in_set_conv_nth
thf(fact_322_list__ball__nth,axiom,
    ! [N: nat,Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ( ord_less_nat @ N @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ! [X3: term_a_b] :
            ( ( member_term_a_b @ X3 @ ( set_term_a_b2 @ Xs ) )
           => ( P2 @ X3 ) )
       => ( P2 @ ( nth_term_a_b @ Xs @ N ) ) ) ) ).

% list_ball_nth
thf(fact_323_nth__mem,axiom,
    ! [N: nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( ord_less_nat @ N @ ( size_s984997627204368545_a_nat @ Xs ) )
     => ( member5724188588386418708_a_nat @ ( nth_Pr8461465654520414006_a_nat @ Xs @ N ) @ ( set_Pr924983374503034536_a_nat @ Xs ) ) ) ).

% nth_mem
thf(fact_324_nth__mem,axiom,
    ! [N: nat,Xs: list_P8875379029341186191rm_a_b] :
      ( ( ord_less_nat @ N @ ( size_s8600120110137556219rm_a_b @ Xs ) )
     => ( member5869715511025134514rm_a_b @ ( nth_Pr1098598711982373392rm_a_b @ Xs @ N ) @ ( set_Pr2370880052973118494rm_a_b @ Xs ) ) ) ).

% nth_mem
thf(fact_325_nth__mem,axiom,
    ! [N: nat,Xs: list_term_a_b] :
      ( ( ord_less_nat @ N @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( member_term_a_b @ ( nth_term_a_b @ Xs @ N ) @ ( set_term_a_b2 @ Xs ) ) ) ).

% nth_mem
thf(fact_326_rsteps__eq__srsteps__eqI,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,S: term_a_b,T: term_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( rstep_a_b @ R ) ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ) ).

% rsteps_eq_srsteps_eqI
thf(fact_327_rstep__srstepI,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,S: term_a_b,T: term_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ).

% rstep_srstepI
thf(fact_328_sig__step__mono2,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,L2: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le118470702582115849rm_a_b @ R @ L2 )
     => ( ord_le118470702582115849rm_a_b @ ( sig_step_a_b @ F2 @ R ) @ ( sig_step_a_b @ F2 @ L2 ) ) ) ).

% sig_step_mono2
thf(fact_329_sig__step__mono,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( sig_step_a_b @ F2 @ R ) @ ( sig_step_a_b @ G @ R ) ) ) ).

% sig_step_mono
thf(fact_330_srsteps__with__root__step__sig__mono,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( srstep7844470518422762656ep_a_b @ F2 @ R ) @ ( srstep7844470518422762656ep_a_b @ G @ R ) ) ) ).

% srsteps_with_root_step_sig_mono
thf(fact_331_Ex__list__of__length,axiom,
    ! [N: nat] :
    ? [Xs2: list_term_a_b] :
      ( ( size_s8906293707977694520rm_a_b @ Xs2 )
      = N ) ).

% Ex_list_of_length
thf(fact_332_neq__if__length__neq,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
       != ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( Xs != Ys ) ) ).

% neq_if_length_neq
thf(fact_333_srstep__monp,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) @ ( sig_step_a_b @ G @ ( rstep_a_b @ R ) ) ) ) ).

% srstep_monp
thf(fact_334_srsteps__eq__monp,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ G @ ( rstep_a_b @ R ) ) ) ) ) ).

% srsteps_eq_monp
thf(fact_335_srsteps__monp,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ G @ ( rstep_a_b @ R ) ) ) ) ) ).

% srsteps_monp
thf(fact_336_subset__code_I1_J,axiom,
    ! [Xs: list_P8875379029341186191rm_a_b,B4: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( set_Pr2370880052973118494rm_a_b @ Xs ) @ B4 )
      = ( ! [X2: produc357393685978478089rm_a_b] :
            ( ( member5869715511025134514rm_a_b @ X2 @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
           => ( member5869715511025134514rm_a_b @ X2 @ B4 ) ) ) ) ).

% subset_code(1)
thf(fact_337_subset__code_I1_J,axiom,
    ! [Xs: list_term_a_b,B4: set_term_a_b] :
      ( ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ Xs ) @ B4 )
      = ( ! [X2: term_a_b] :
            ( ( member_term_a_b @ X2 @ ( set_term_a_b2 @ Xs ) )
           => ( member_term_a_b @ X2 @ B4 ) ) ) ) ).

% subset_code(1)
thf(fact_338_subset__code_I1_J,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ Xs ) @ B4 )
      = ( ! [X2: product_prod_a_nat] :
            ( ( member5724188588386418708_a_nat @ X2 @ ( set_Pr924983374503034536_a_nat @ Xs ) )
           => ( member5724188588386418708_a_nat @ X2 @ B4 ) ) ) ) ).

% subset_code(1)
thf(fact_339_length__induct,axiom,
    ! [P2: list_term_a_b > $o,Xs: list_term_a_b] :
      ( ! [Xs2: list_term_a_b] :
          ( ! [Ys2: list_term_a_b] :
              ( ( ord_less_nat @ ( size_s8906293707977694520rm_a_b @ Ys2 ) @ ( size_s8906293707977694520rm_a_b @ Xs2 ) )
             => ( P2 @ Ys2 ) )
         => ( P2 @ Xs2 ) )
     => ( P2 @ Xs ) ) ).

% length_induct
thf(fact_340_trancl__map,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,F3: term_a_b > term_a_b,S: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ! [X3: term_a_b,Y2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) @ S ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7922773638565587891rm_a_b @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ X ) @ ( F3 @ Y ) ) @ ( transi7922773638565587891rm_a_b @ S ) ) ) ) ).

% trancl_map
thf(fact_341_sig__step__rsteps__dist,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( sig_step_a_b @ F2 @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) )
        = ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ).

% sig_step_rsteps_dist
thf(fact_342_nth__equalityI,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( ! [I3: nat] :
            ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
           => ( ( nth_term_a_b @ Xs @ I3 )
              = ( nth_term_a_b @ Ys @ I3 ) ) )
       => ( Xs = Ys ) ) ) ).

% nth_equalityI
thf(fact_343_Skolem__list__nth,axiom,
    ! [K: nat,P2: nat > term_a_b > $o] :
      ( ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ K )
           => ? [X4: term_a_b] : ( P2 @ I2 @ X4 ) ) )
      = ( ? [Xs3: list_term_a_b] :
            ( ( ( size_s8906293707977694520rm_a_b @ Xs3 )
              = K )
            & ! [I2: nat] :
                ( ( ord_less_nat @ I2 @ K )
               => ( P2 @ I2 @ ( nth_term_a_b @ Xs3 @ I2 ) ) ) ) ) ) ).

% Skolem_list_nth
thf(fact_344_list__eq__iff__nth__eq,axiom,
    ( ( ^ [Y3: list_term_a_b,Z3: list_term_a_b] : ( Y3 = Z3 ) )
    = ( ^ [Xs3: list_term_a_b,Ys3: list_term_a_b] :
          ( ( ( size_s8906293707977694520rm_a_b @ Xs3 )
            = ( size_s8906293707977694520rm_a_b @ Ys3 ) )
          & ! [I2: nat] :
              ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Xs3 ) )
             => ( ( nth_term_a_b @ Xs3 @ I2 )
                = ( nth_term_a_b @ Ys3 @ I2 ) ) ) ) ) ) ).

% list_eq_iff_nth_eq
thf(fact_345_Ex__list__of__length__P,axiom,
    ! [N: nat,P2: term_a_b > nat > $o] :
      ( ! [I3: nat] :
          ( ( ord_less_nat @ I3 @ N )
         => ? [X5: term_a_b] : ( P2 @ X5 @ I3 ) )
     => ? [Xs2: list_term_a_b] :
          ( ( ( size_s8906293707977694520rm_a_b @ Xs2 )
            = N )
          & ! [I: nat] :
              ( ( ord_less_nat @ I @ N )
             => ( P2 @ ( nth_term_a_b @ Xs2 @ I ) @ I ) ) ) ) ).

% Ex_list_of_length_P
thf(fact_346_NF__srstep__args,axiom,
    ! [F3: a,Ss2: list_term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,I4: nat] :
      ( ( member_term_a_b @ ( fun_a_b @ F3 @ Ss2 ) @ ( abstract_NF_term_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( fun_a_b @ F3 @ Ss2 ) ) @ F2 )
       => ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Ss2 ) )
         => ( member_term_a_b @ ( nth_term_a_b @ Ss2 @ I4 ) @ ( abstract_NF_term_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ).

% NF_srstep_args
thf(fact_347_rstep__trancl__sig__step__l,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( terms_8519481630511763164ig_a_b @ F2 @ V @ S ) @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ).

% rstep_trancl_sig_step_l
thf(fact_348_rstep__trancl__sig__step__r,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ ( terms_8519481630511763164ig_a_b @ F2 @ V @ T ) ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ) ).

% rstep_trancl_sig_step_r
thf(fact_349_permut__sound,axiom,
    ! [I4: nat,As: list_term_a_b,F3: nat > nat] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ As ) )
     => ( ( nth_term_a_b @ ( missin5417461770552926780rm_a_b @ As @ F3 ) @ I4 )
        = ( nth_term_a_b @ As @ ( F3 @ I4 ) ) ) ) ).

% permut_sound
thf(fact_350_all__ctxt__closedD,axiom,
    ! [F4: set_Pr4934435412358123699_a_nat,R3: set_Pr4386577575007340137rm_a_b,F3: a,Ss2: list_term_a_b,Ts2: list_term_a_b] :
      ( ( terms_5226143800768910156ed_a_b @ F4 @ R3 )
     => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F3 @ ( size_s8906293707977694520rm_a_b @ Ss2 ) ) @ F4 )
       => ( ( ( size_s8906293707977694520rm_a_b @ Ts2 )
            = ( size_s8906293707977694520rm_a_b @ Ss2 ) )
         => ( ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Ts2 @ I3 ) @ ( nth_term_a_b @ Ss2 @ I3 ) ) @ R3 ) )
           => ( ! [I3: nat] :
                  ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) )
                 => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( nth_term_a_b @ Ts2 @ I3 ) ) @ F4 ) )
             => ( ! [I3: nat] :
                    ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) )
                   => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( nth_term_a_b @ Ss2 @ I3 ) ) @ F4 ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ F3 @ Ts2 ) @ ( fun_a_b @ F3 @ Ss2 ) ) @ R3 ) ) ) ) ) ) ) ).

% all_ctxt_closedD
thf(fact_351_rsteps__eq__relcomp__srsteps__eq__relcompI,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,S2: set_Pr4386577575007340137rm_a_b,S: term_a_b,T: term_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ S2 ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
         => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( rstep_a_b @ R ) ) @ ( transi7742714808557438673rm_a_b @ ( rstep_a_b @ S2 ) ) ) )
             => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ S2 ) ) ) ) ) ) ) ) ) ) ).

% rsteps_eq_relcomp_srsteps_eq_relcompI
thf(fact_352_subsetI,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ X3 @ A3 )
         => ( member5869715511025134514rm_a_b @ X3 @ B4 ) )
     => ( ord_le118470702582115849rm_a_b @ A3 @ B4 ) ) ).

% subsetI
thf(fact_353_subsetI,axiom,
    ! [A3: set_term_a_b,B4: set_term_a_b] :
      ( ! [X3: term_a_b] :
          ( ( member_term_a_b @ X3 @ A3 )
         => ( member_term_a_b @ X3 @ B4 ) )
     => ( ord_le2705286416250468010rm_a_b @ A3 @ B4 ) ) ).

% subsetI
thf(fact_354_subsetI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ! [X3: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ X3 @ A3 )
         => ( member5724188588386418708_a_nat @ X3 @ B4 ) )
     => ( ord_le8666007276011122963_a_nat @ A3 @ B4 ) ) ).

% subsetI
thf(fact_355_subset__antisym,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( ord_le8666007276011122963_a_nat @ B4 @ A3 )
       => ( A3 = B4 ) ) ) ).

% subset_antisym
thf(fact_356_prod_Oinject,axiom,
    ! [X1: a,X23: nat,Y1: a,Y23: nat] :
      ( ( ( product_Pair_a_nat @ X1 @ X23 )
        = ( product_Pair_a_nat @ Y1 @ Y23 ) )
      = ( ( X1 = Y1 )
        & ( X23 = Y23 ) ) ) ).

% prod.inject
thf(fact_357_prod_Oinject,axiom,
    ! [X1: term_a_b,X23: term_a_b,Y1: term_a_b,Y23: term_a_b] :
      ( ( ( produc7020197800436672577rm_a_b @ X1 @ X23 )
        = ( produc7020197800436672577rm_a_b @ Y1 @ Y23 ) )
      = ( ( X1 = Y1 )
        & ( X23 = Y23 ) ) ) ).

% prod.inject
thf(fact_358_old_Oprod_Oinject,axiom,
    ! [A: a,B: nat,A5: a,B5: nat] :
      ( ( ( product_Pair_a_nat @ A @ B )
        = ( product_Pair_a_nat @ A5 @ B5 ) )
      = ( ( A = A5 )
        & ( B = B5 ) ) ) ).

% old.prod.inject
thf(fact_359_old_Oprod_Oinject,axiom,
    ! [A: term_a_b,B: term_a_b,A5: term_a_b,B5: term_a_b] :
      ( ( ( produc7020197800436672577rm_a_b @ A @ B )
        = ( produc7020197800436672577rm_a_b @ A5 @ B5 ) )
      = ( ( A = A5 )
        & ( B = B5 ) ) ) ).

% old.prod.inject
thf(fact_360_rtrancl__idemp__self__comp,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
      = ( transi7742714808557438673rm_a_b @ R2 ) ) ).

% rtrancl_idemp_self_comp
thf(fact_361_term__to__sig__id,axiom,
    ! [T: term_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
     => ( ( terms_8519481630511763164ig_a_b @ F2 @ V @ T )
        = T ) ) ).

% term_to_sig_id
thf(fact_362_all__ctxt__closed__sig__rsteps,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] : ( terms_5226143800768910156ed_a_b @ F2 @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ).

% all_ctxt_closed_sig_rsteps
thf(fact_363_all__ctxt__closed__relcomp,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,S2: set_Pr4386577575007340137rm_a_b] :
      ( ! [S4: term_a_b,T2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S4 @ T2 ) @ R )
         => ( ( S4 != T2 )
           => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S4 ) @ F2 )
              & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T2 ) @ F2 ) ) ) )
     => ( ! [S4: term_a_b,T2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S4 @ T2 ) @ S2 )
           => ( ( S4 != T2 )
             => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S4 ) @ F2 )
                & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T2 ) @ F2 ) ) ) )
       => ( ( terms_5226143800768910156ed_a_b @ F2 @ R )
         => ( ( terms_5226143800768910156ed_a_b @ F2 @ S2 )
           => ( terms_5226143800768910156ed_a_b @ F2 @ ( relcom370159955682700863rm_a_b @ R @ S2 ) ) ) ) ) ) ).

% all_ctxt_closed_relcomp
thf(fact_364_r__comp__rtrancl__eq,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ R3 @ ( transi7742714808557438673rm_a_b @ R3 ) )
      = ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) @ R3 ) ) ).

% r_comp_rtrancl_eq
thf(fact_365_fuans__term__term__to__sig,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,V: b,T: term_a_b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( terms_8519481630511763164ig_a_b @ F2 @ V @ T ) ) @ F2 ) ).

% fuans_term_term_to_sig
thf(fact_366_kleene__induct,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,X6: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,C4: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ A3 @ X6 )
     => ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ B4 @ X6 ) @ X6 )
       => ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ X6 @ C4 ) @ X6 )
         => ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ B4 ) @ ( relcom370159955682700863rm_a_b @ A3 @ ( transi7742714808557438673rm_a_b @ C4 ) ) ) @ X6 ) ) ) ) ).

% kleene_induct
thf(fact_367_kleene__induct,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,X6: set_Pr4934435412358123699_a_nat,B4: set_Product_prod_a_a,C4: set_Pr1261947904930325089at_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ X6 )
     => ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ B4 @ X6 ) @ X6 )
       => ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_nat_nat @ X6 @ C4 ) @ X6 )
         => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ ( transitive_rtrancl_a @ B4 ) @ ( relcomp_a_nat_nat @ A3 @ ( transi2905341329935302413cl_nat @ C4 ) ) ) @ X6 ) ) ) ) ).

% kleene_induct
thf(fact_368_trancl__unfold__left,axiom,
    ( transi7922773638565587891rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b] : ( relcom370159955682700863rm_a_b @ R4 @ ( transi7742714808557438673rm_a_b @ R4 ) ) ) ) ).

% trancl_unfold_left
thf(fact_369_kleene__trancl__induct,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,X6: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,C4: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ A3 @ X6 )
     => ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ B4 @ X6 ) @ X6 )
       => ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ X6 @ C4 ) @ X6 )
         => ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ ( transi7922773638565587891rm_a_b @ B4 ) @ ( relcom370159955682700863rm_a_b @ A3 @ ( transi7922773638565587891rm_a_b @ C4 ) ) ) @ X6 ) ) ) ) ).

% kleene_trancl_induct
thf(fact_370_kleene__trancl__induct,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,X6: set_Pr4934435412358123699_a_nat,B4: set_Product_prod_a_a,C4: set_Pr1261947904930325089at_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ X6 )
     => ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ B4 @ X6 ) @ X6 )
       => ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_nat_nat @ X6 @ C4 ) @ X6 )
         => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ ( transitive_trancl_a @ B4 ) @ ( relcomp_a_nat_nat @ A3 @ ( transi6264000038957366511cl_nat @ C4 ) ) ) @ X6 ) ) ) ) ).

% kleene_trancl_induct
thf(fact_371_Pair__inject,axiom,
    ! [A: a,B: nat,A5: a,B5: nat] :
      ( ( ( product_Pair_a_nat @ A @ B )
        = ( product_Pair_a_nat @ A5 @ B5 ) )
     => ~ ( ( A = A5 )
         => ( B != B5 ) ) ) ).

% Pair_inject
thf(fact_372_Pair__inject,axiom,
    ! [A: term_a_b,B: term_a_b,A5: term_a_b,B5: term_a_b] :
      ( ( ( produc7020197800436672577rm_a_b @ A @ B )
        = ( produc7020197800436672577rm_a_b @ A5 @ B5 ) )
     => ~ ( ( A = A5 )
         => ( B != B5 ) ) ) ).

% Pair_inject
thf(fact_373_prod__cases,axiom,
    ! [P2: product_prod_a_nat > $o,P: product_prod_a_nat] :
      ( ! [A2: a,B2: nat] : ( P2 @ ( product_Pair_a_nat @ A2 @ B2 ) )
     => ( P2 @ P ) ) ).

% prod_cases
thf(fact_374_prod__cases,axiom,
    ! [P2: produc357393685978478089rm_a_b > $o,P: produc357393685978478089rm_a_b] :
      ( ! [A2: term_a_b,B2: term_a_b] : ( P2 @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) )
     => ( P2 @ P ) ) ).

% prod_cases
thf(fact_375_surj__pair,axiom,
    ! [P: product_prod_a_nat] :
    ? [X3: a,Y2: nat] :
      ( P
      = ( product_Pair_a_nat @ X3 @ Y2 ) ) ).

% surj_pair
thf(fact_376_surj__pair,axiom,
    ! [P: produc357393685978478089rm_a_b] :
    ? [X3: term_a_b,Y2: term_a_b] :
      ( P
      = ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) ) ).

% surj_pair
thf(fact_377_old_Oprod_Oexhaust,axiom,
    ! [Y: product_prod_a_nat] :
      ~ ! [A2: a,B2: nat] :
          ( Y
         != ( product_Pair_a_nat @ A2 @ B2 ) ) ).

% old.prod.exhaust
thf(fact_378_old_Oprod_Oexhaust,axiom,
    ! [Y: produc357393685978478089rm_a_b] :
      ~ ! [A2: term_a_b,B2: term_a_b] :
          ( Y
         != ( produc7020197800436672577rm_a_b @ A2 @ B2 ) ) ).

% old.prod.exhaust
thf(fact_379_Collect__mono__iff,axiom,
    ! [P2: product_prod_a_nat > $o,Q: product_prod_a_nat > $o] :
      ( ( ord_le8666007276011122963_a_nat @ ( collec4464134535221767506_a_nat @ P2 ) @ ( collec4464134535221767506_a_nat @ Q ) )
      = ( ! [X2: product_prod_a_nat] :
            ( ( P2 @ X2 )
           => ( Q @ X2 ) ) ) ) ).

% Collect_mono_iff
thf(fact_380_set__eq__subset,axiom,
    ( ( ^ [Y3: set_Pr4934435412358123699_a_nat,Z3: set_Pr4934435412358123699_a_nat] : ( Y3 = Z3 ) )
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A6 @ B6 )
          & ( ord_le8666007276011122963_a_nat @ B6 @ A6 ) ) ) ) ).

% set_eq_subset
thf(fact_381_subset__trans,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( ord_le8666007276011122963_a_nat @ B4 @ C4 )
       => ( ord_le8666007276011122963_a_nat @ A3 @ C4 ) ) ) ).

% subset_trans
thf(fact_382_Collect__mono,axiom,
    ! [P2: product_prod_a_nat > $o,Q: product_prod_a_nat > $o] :
      ( ! [X3: product_prod_a_nat] :
          ( ( P2 @ X3 )
         => ( Q @ X3 ) )
     => ( ord_le8666007276011122963_a_nat @ ( collec4464134535221767506_a_nat @ P2 ) @ ( collec4464134535221767506_a_nat @ Q ) ) ) ).

% Collect_mono
thf(fact_383_subset__refl,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A3 @ A3 ) ).

% subset_refl
thf(fact_384_subset__iff,axiom,
    ( ord_le118470702582115849rm_a_b
    = ( ^ [A6: set_Pr4386577575007340137rm_a_b,B6: set_Pr4386577575007340137rm_a_b] :
        ! [T3: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ T3 @ A6 )
         => ( member5869715511025134514rm_a_b @ T3 @ B6 ) ) ) ) ).

% subset_iff
thf(fact_385_subset__iff,axiom,
    ( ord_le2705286416250468010rm_a_b
    = ( ^ [A6: set_term_a_b,B6: set_term_a_b] :
        ! [T3: term_a_b] :
          ( ( member_term_a_b @ T3 @ A6 )
         => ( member_term_a_b @ T3 @ B6 ) ) ) ) ).

% subset_iff
thf(fact_386_subset__iff,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
        ! [T3: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ T3 @ A6 )
         => ( member5724188588386418708_a_nat @ T3 @ B6 ) ) ) ) ).

% subset_iff
thf(fact_387_equalityD2,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( A3 = B4 )
     => ( ord_le8666007276011122963_a_nat @ B4 @ A3 ) ) ).

% equalityD2
thf(fact_388_equalityD1,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( A3 = B4 )
     => ( ord_le8666007276011122963_a_nat @ A3 @ B4 ) ) ).

% equalityD1
thf(fact_389_subset__eq,axiom,
    ( ord_le118470702582115849rm_a_b
    = ( ^ [A6: set_Pr4386577575007340137rm_a_b,B6: set_Pr4386577575007340137rm_a_b] :
        ! [X2: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ X2 @ A6 )
         => ( member5869715511025134514rm_a_b @ X2 @ B6 ) ) ) ) ).

% subset_eq
thf(fact_390_subset__eq,axiom,
    ( ord_le2705286416250468010rm_a_b
    = ( ^ [A6: set_term_a_b,B6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ( member_term_a_b @ X2 @ B6 ) ) ) ) ).

% subset_eq
thf(fact_391_subset__eq,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
        ! [X2: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ X2 @ A6 )
         => ( member5724188588386418708_a_nat @ X2 @ B6 ) ) ) ) ).

% subset_eq
thf(fact_392_equalityE,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( A3 = B4 )
     => ~ ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
         => ~ ( ord_le8666007276011122963_a_nat @ B4 @ A3 ) ) ) ).

% equalityE
thf(fact_393_subsetD,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ A3 @ B4 )
     => ( ( member5869715511025134514rm_a_b @ C @ A3 )
       => ( member5869715511025134514rm_a_b @ C @ B4 ) ) ) ).

% subsetD
thf(fact_394_subsetD,axiom,
    ! [A3: set_term_a_b,B4: set_term_a_b,C: term_a_b] :
      ( ( ord_le2705286416250468010rm_a_b @ A3 @ B4 )
     => ( ( member_term_a_b @ C @ A3 )
       => ( member_term_a_b @ C @ B4 ) ) ) ).

% subsetD
thf(fact_395_subsetD,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C: product_prod_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( member5724188588386418708_a_nat @ C @ A3 )
       => ( member5724188588386418708_a_nat @ C @ B4 ) ) ) ).

% subsetD
thf(fact_396_in__mono,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,X: produc357393685978478089rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ A3 @ B4 )
     => ( ( member5869715511025134514rm_a_b @ X @ A3 )
       => ( member5869715511025134514rm_a_b @ X @ B4 ) ) ) ).

% in_mono
thf(fact_397_in__mono,axiom,
    ! [A3: set_term_a_b,B4: set_term_a_b,X: term_a_b] :
      ( ( ord_le2705286416250468010rm_a_b @ A3 @ B4 )
     => ( ( member_term_a_b @ X @ A3 )
       => ( member_term_a_b @ X @ B4 ) ) ) ).

% in_mono
thf(fact_398_in__mono,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,X: product_prod_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( member5724188588386418708_a_nat @ X @ A3 )
       => ( member5724188588386418708_a_nat @ X @ B4 ) ) ) ).

% in_mono
thf(fact_399_all__ctxt__closed__sig__reflE,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,T: term_a_b] :
      ( ( terms_5226143800768910156ed_a_b @ F2 @ R )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ T ) @ R ) ) ) ).

% all_ctxt_closed_sig_reflE
thf(fact_400_rstep__term__to__sig__r,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ ( terms_8519481630511763164ig_a_b @ F2 @ V @ T ) ) @ ( rstep_a_b @ R ) ) ) ) ) ).

% rstep_term_to_sig_r
thf(fact_401_rstep__term__to__sig__l,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
       => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( terms_8519481630511763164ig_a_b @ F2 @ V @ S ) @ T ) @ ( rstep_a_b @ R ) ) ) ) ) ).

% rstep_term_to_sig_l
thf(fact_402_NF__I,axiom,
    ! [A: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ! [B2: product_prod_a_nat] :
          ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B2 ) @ A3 )
     => ( member5724188588386418708_a_nat @ A @ ( abstra2685462378305987313_a_nat @ A3 ) ) ) ).

% NF_I
thf(fact_403_NF__I,axiom,
    ! [A: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ! [B2: produc357393685978478089rm_a_b] :
          ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B2 ) @ A3 )
     => ( member5869715511025134514rm_a_b @ A @ ( abstra1902783451776770197rm_a_b @ A3 ) ) ) ).

% NF_I
thf(fact_404_NF__I,axiom,
    ! [A: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ! [B2: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B2 ) @ A3 )
     => ( member_term_a_b @ A @ ( abstract_NF_term_a_b @ A3 ) ) ) ).

% NF_I
thf(fact_405_non__strict__into__strict,axiom,
    ! [NS: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b,S: term_a_b,T: term_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ NS @ S3 ) @ S3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ NS ) @ S3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ S3 ) ) ) ).

% non_strict_into_strict
thf(fact_406_non__strict__into__strict,axiom,
    ! [NS: set_Product_prod_a_a,S3: set_Pr4934435412358123699_a_nat,S: a,T: nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ NS @ S3 ) @ S3 )
     => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ S @ T ) @ ( relcomp_a_a_nat @ ( transitive_rtrancl_a @ NS ) @ S3 ) )
       => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ S @ T ) @ S3 ) ) ) ).

% non_strict_into_strict
thf(fact_407_NF__no__trancl__step,axiom,
    ! [A: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ( member5724188588386418708_a_nat @ A @ ( abstra2685462378305987313_a_nat @ A3 ) )
     => ! [B7: product_prod_a_nat] :
          ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B7 ) @ ( transi6805586507763294364_a_nat @ A3 ) ) ) ).

% NF_no_trancl_step
thf(fact_408_NF__no__trancl__step,axiom,
    ! [A: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ A @ ( abstra1902783451776770197rm_a_b @ A3 ) )
     => ! [B7: produc357393685978478089rm_a_b] :
          ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B7 ) @ ( transi9211502839322181930rm_a_b @ A3 ) ) ) ).

% NF_no_trancl_step
thf(fact_409_NF__no__trancl__step,axiom,
    ! [A: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member_term_a_b @ A @ ( abstract_NF_term_a_b @ A3 ) )
     => ! [B7: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B7 ) @ ( transi7922773638565587891rm_a_b @ A3 ) ) ) ).

% NF_no_trancl_step
thf(fact_410_NF__anti__mono,axiom,
    ! [A3: set_Pr1811044260758604347_a_nat,B4: set_Pr1811044260758604347_a_nat] :
      ( ( ord_le1018141841545957851_a_nat @ A3 @ B4 )
     => ( ord_le8666007276011122963_a_nat @ ( abstra2685462378305987313_a_nat @ B4 ) @ ( abstra2685462378305987313_a_nat @ A3 ) ) ) ).

% NF_anti_mono
thf(fact_411_NF__not__suc,axiom,
    ! [X: product_prod_a_nat,Y: product_prod_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi2726145917338391738_a_nat @ R3 ) )
     => ( ( member5724188588386418708_a_nat @ X @ ( abstra2685462378305987313_a_nat @ R3 ) )
       => ( X = Y ) ) ) ).

% NF_not_suc
thf(fact_412_NF__not__suc,axiom,
    ! [X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
     => ( ( member5869715511025134514rm_a_b @ X @ ( abstra1902783451776770197rm_a_b @ R3 ) )
       => ( X = Y ) ) ) ).

% NF_not_suc
thf(fact_413_NF__not__suc,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member_term_a_b @ X @ ( abstract_NF_term_a_b @ R3 ) )
       => ( X = Y ) ) ) ).

% NF_not_suc
thf(fact_414_comp__trancl,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ R2 @ S3 ) @ S3 )
     => ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ R2 @ ( transi7922773638565587891rm_a_b @ S3 ) ) @ ( transi7922773638565587891rm_a_b @ S3 ) ) ) ).

% comp_trancl
thf(fact_415_rtrancl__comp__trancl__conv,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) @ R3 )
      = ( transi7922773638565587891rm_a_b @ R3 ) ) ).

% rtrancl_comp_trancl_conv
thf(fact_416_O__rtrancl__O__O,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ R2 @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ R2 ) ) @ S3 ) )
      = ( transi7922773638565587891rm_a_b @ ( relcom370159955682700863rm_a_b @ R2 @ S3 ) ) ) ).

% O_rtrancl_O_O
thf(fact_417_relcomp3__I,axiom,
    ! [T: nat,U: a,A3: set_Pr4193341848836149977_nat_a,S: a,B4: set_Pr4934435412358123699_a_nat,V: nat] :
      ( ( member8962352052110095674_nat_a @ ( product_Pair_nat_a @ T @ U ) @ A3 )
     => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ S @ T ) @ B4 )
       => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ U @ V ) @ B4 )
         => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ S @ V ) @ ( relcomp_a_nat_nat @ B4 @ ( relcomp_nat_a_nat @ A3 @ B4 ) ) ) ) ) ) ).

% relcomp3_I
thf(fact_418_relcomp3__I,axiom,
    ! [T: a,U: nat,A3: set_Pr4934435412358123699_a_nat,S: nat,B4: set_Pr4193341848836149977_nat_a,V: a] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ T @ U ) @ A3 )
     => ( ( member8962352052110095674_nat_a @ ( product_Pair_nat_a @ S @ T ) @ B4 )
       => ( ( member8962352052110095674_nat_a @ ( product_Pair_nat_a @ U @ V ) @ B4 )
         => ( member8962352052110095674_nat_a @ ( product_Pair_nat_a @ S @ V ) @ ( relcomp_nat_a_a @ B4 @ ( relcomp_a_nat_a @ A3 @ B4 ) ) ) ) ) ) ).

% relcomp3_I
thf(fact_419_relcomp3__I,axiom,
    ! [T: term_a_b,U: term_a_b,A3: set_Pr4386577575007340137rm_a_b,S: term_a_b,B4: set_Pr4386577575007340137rm_a_b,V: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ U ) @ A3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ B4 )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ U @ V ) @ B4 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ V ) @ ( relcom370159955682700863rm_a_b @ B4 @ ( relcom370159955682700863rm_a_b @ A3 @ B4 ) ) ) ) ) ) ).

% relcomp3_I
thf(fact_420_rtrancl__O__shift,axiom,
    ! [S3: set_Pr4386577575007340137rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ R2 ) ) @ S3 )
      = ( relcom370159955682700863rm_a_b @ S3 @ ( transi7742714808557438673rm_a_b @ ( relcom370159955682700863rm_a_b @ R2 @ S3 ) ) ) ) ).

% rtrancl_O_shift
thf(fact_421_O__mono1,axiom,
    ! [R2: set_Pr4934435412358123699_a_nat,R5: set_Pr4934435412358123699_a_nat,S3: set_Product_prod_a_a] :
      ( ( ord_le8666007276011122963_a_nat @ R2 @ R5 )
     => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ S3 @ R2 ) @ ( relcomp_a_a_nat @ S3 @ R5 ) ) ) ).

% O_mono1
thf(fact_422_O__mono2,axiom,
    ! [R2: set_Pr4934435412358123699_a_nat,R5: set_Pr4934435412358123699_a_nat,T4: set_Pr1261947904930325089at_nat] :
      ( ( ord_le8666007276011122963_a_nat @ R2 @ R5 )
     => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_nat_nat @ R2 @ T4 ) @ ( relcomp_a_nat_nat @ R5 @ T4 ) ) ) ).

% O_mono2
thf(fact_423_trancl__mono__set,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ R3 @ S )
     => ( ord_le118470702582115849rm_a_b @ ( transi7922773638565587891rm_a_b @ R3 ) @ ( transi7922773638565587891rm_a_b @ S ) ) ) ).

% trancl_mono_set
thf(fact_424_NF__E,axiom,
    ! [A: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat,B: product_prod_a_nat] :
      ( ( member5724188588386418708_a_nat @ A @ ( abstra2685462378305987313_a_nat @ A3 ) )
     => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ A3 ) ) ).

% NF_E
thf(fact_425_NF__E,axiom,
    ! [A: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b,B: produc357393685978478089rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ A @ ( abstra1902783451776770197rm_a_b @ A3 ) )
     => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ A3 ) ) ).

% NF_E
thf(fact_426_NF__E,axiom,
    ! [A: term_a_b,A3: set_Pr4386577575007340137rm_a_b,B: term_a_b] :
      ( ( member_term_a_b @ A @ ( abstract_NF_term_a_b @ A3 ) )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ A3 ) ) ).

% NF_E
thf(fact_427_NF__no__step,axiom,
    ! [A: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ( member5724188588386418708_a_nat @ A @ ( abstra2685462378305987313_a_nat @ A3 ) )
     => ! [B7: product_prod_a_nat] :
          ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B7 ) @ A3 ) ) ).

% NF_no_step
thf(fact_428_NF__no__step,axiom,
    ! [A: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ A @ ( abstra1902783451776770197rm_a_b @ A3 ) )
     => ! [B7: produc357393685978478089rm_a_b] :
          ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B7 ) @ A3 ) ) ).

% NF_no_step
thf(fact_429_NF__no__step,axiom,
    ! [A: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member_term_a_b @ A @ ( abstract_NF_term_a_b @ A3 ) )
     => ! [B7: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B7 ) @ A3 ) ) ).

% NF_no_step
thf(fact_430_NF__iff__no__step,axiom,
    ! [A: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ( member5724188588386418708_a_nat @ A @ ( abstra2685462378305987313_a_nat @ A3 ) )
      = ( ! [B3: product_prod_a_nat] :
            ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B3 ) @ A3 ) ) ) ).

% NF_iff_no_step
thf(fact_431_NF__iff__no__step,axiom,
    ! [A: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ A @ ( abstra1902783451776770197rm_a_b @ A3 ) )
      = ( ! [B3: produc357393685978478089rm_a_b] :
            ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B3 ) @ A3 ) ) ) ).

% NF_iff_no_step
thf(fact_432_NF__iff__no__step,axiom,
    ! [A: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member_term_a_b @ A @ ( abstract_NF_term_a_b @ A3 ) )
      = ( ! [B3: term_a_b] :
            ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B3 ) @ A3 ) ) ) ).

% NF_iff_no_step
thf(fact_433_steps__map,axiom,
    ! [P2: term_a_b > $o,Q: set_Pr4386577575007340137rm_a_b > $o,F3: term_a_b > term_a_b,G2: set_Pr4386577575007340137rm_a_b > set_Pr4386577575007340137rm_a_b,T: term_a_b,R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b,U: term_a_b] :
      ( ! [T2: term_a_b,U2: term_a_b,R6: set_Pr4386577575007340137rm_a_b] :
          ( ( P2 @ T2 )
         => ( ( Q @ R6 )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T2 @ U2 ) @ R6 )
             => ( ( P2 @ U2 )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ T2 ) @ ( F3 @ U2 ) ) @ ( G2 @ R6 ) ) ) ) ) )
     => ( ( P2 @ T )
       => ( ( Q @ R2 )
         => ( ( Q @ S3 )
           => ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ U ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ T ) @ ( F3 @ U ) ) @ ( transi7742714808557438673rm_a_b @ ( G2 @ R2 ) ) ) )
              & ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ U ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( relcom370159955682700863rm_a_b @ S3 @ ( transi7742714808557438673rm_a_b @ R2 ) ) ) )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ T ) @ ( F3 @ U ) ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( G2 @ R2 ) ) @ ( relcom370159955682700863rm_a_b @ ( G2 @ S3 ) @ ( transi7742714808557438673rm_a_b @ ( G2 @ R2 ) ) ) ) ) ) ) ) ) ) ) ).

% steps_map
thf(fact_434_rtrancl__O__push,axiom,
    ! [S3: set_Pr4386577575007340137rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ R2 ) @ ( relcom370159955682700863rm_a_b @ R2 @ ( transi7742714808557438673rm_a_b @ S3 ) ) )
     => ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ S3 ) @ R2 ) @ ( relcom370159955682700863rm_a_b @ R2 @ ( transi7742714808557438673rm_a_b @ S3 ) ) ) ) ).

% rtrancl_O_push
thf(fact_435_compat__tr__compat,axiom,
    ! [NS: set_Product_prod_a_a,S3: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ NS @ S3 ) @ S3 )
     => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ ( transitive_rtrancl_a @ NS ) @ S3 ) @ S3 ) ) ).

% compat_tr_compat
thf(fact_436_srsteps__with__root__step__def,axiom,
    ( srstep7844470518422762656ep_a_b
    = ( ^ [F5: set_Pr4934435412358123699_a_nat,R7: set_Pr4386577575007340137rm_a_b] : ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F5 @ ( rstep_a_b @ R7 ) ) ) @ ( relcom370159955682700863rm_a_b @ ( sig_step_a_b @ F5 @ ( rrstep_a_b @ R7 ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F5 @ ( rstep_a_b @ R7 ) ) ) ) ) ) ) ).

% srsteps_with_root_step_def
thf(fact_437_order__refl,axiom,
    ! [X: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ X @ X ) ).

% order_refl
thf(fact_438_order__refl,axiom,
    ! [X: nat] : ( ord_less_eq_nat @ X @ X ) ).

% order_refl
thf(fact_439_dual__order_Orefl,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A @ A ) ).

% dual_order.refl
thf(fact_440_dual__order_Orefl,axiom,
    ! [A: nat] : ( ord_less_eq_nat @ A @ A ) ).

% dual_order.refl
thf(fact_441_meetI,axiom,
    ! [A: term_a_b,B: term_a_b,A3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( abstra1093061187967292567rm_a_b @ A3 ) ) ) ) ).

% meetI
thf(fact_442_term__not__arg,axiom,
    ! [F3: a,Ss2: list_term_a_b] :
      ~ ( member_term_a_b @ ( fun_a_b @ F3 @ Ss2 ) @ ( set_term_a_b2 @ Ss2 ) ) ).

% term_not_arg
thf(fact_443_relcomp__mono,axiom,
    ! [R8: set_Product_prod_a_a,R3: set_Product_prod_a_a,S5: set_Pr4934435412358123699_a_nat,S: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le746702958409616551od_a_a @ R8 @ R3 )
     => ( ( ord_le8666007276011122963_a_nat @ S5 @ S )
       => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_a_nat @ R8 @ S5 ) @ ( relcomp_a_a_nat @ R3 @ S ) ) ) ) ).

% relcomp_mono
thf(fact_444_relcomp__mono,axiom,
    ! [R8: set_Pr4934435412358123699_a_nat,R3: set_Pr4934435412358123699_a_nat,S5: set_Pr1261947904930325089at_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( ord_le8666007276011122963_a_nat @ R8 @ R3 )
     => ( ( ord_le3146513528884898305at_nat @ S5 @ S )
       => ( ord_le8666007276011122963_a_nat @ ( relcomp_a_nat_nat @ R8 @ S5 ) @ ( relcomp_a_nat_nat @ R3 @ S ) ) ) ) ).

% relcomp_mono
thf(fact_445_srsteps__eq__subst__relcomp__closed,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,S2: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ S2 ) ) ) ) )
     => ( ! [X3: b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( Sigma @ X3 ) ) @ F2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ S2 ) ) ) ) ) ) ) ).

% srsteps_eq_subst_relcomp_closed
thf(fact_446_restrict__rtrancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S3: set_term_a_b] : ( ord_le118470702582115849rm_a_b @ ( transi7742714808557438673rm_a_b @ ( abstra6662565036008789004rm_a_b @ R3 @ S3 ) ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ).

% restrict_rtrancl
thf(fact_447_rrstep__basicI,axiom,
    ! [L: term_a_b,R3: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ R )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ ( rrstep_a_b @ R ) ) ) ).

% rrstep_basicI
thf(fact_448_rstep__substI,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ ( rstep_a_b @ R ) ) ) ).

% rstep_substI
thf(fact_449_rrstep_Ocases,axiom,
    ! [A1: term_a_b,A22: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( rrstep_a_b @ R ) )
     => ~ ! [L3: term_a_b,R9: term_a_b,Sigma2: b > term_a_b] :
            ( ( A1
              = ( subst_7999470309526761004_a_b_b @ L3 @ Sigma2 ) )
           => ( ( A22
                = ( subst_7999470309526761004_a_b_b @ R9 @ Sigma2 ) )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L3 @ R9 ) @ R ) ) ) ) ).

% rrstep.cases
thf(fact_450_rrstep_Osimps,axiom,
    ! [A1: term_a_b,A22: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( rrstep_a_b @ R ) )
      = ( ? [L4: term_a_b,R4: term_a_b,Sigma3: b > term_a_b] :
            ( ( A1
              = ( subst_7999470309526761004_a_b_b @ L4 @ Sigma3 ) )
            & ( A22
              = ( subst_7999470309526761004_a_b_b @ R4 @ Sigma3 ) )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L4 @ R4 ) @ R ) ) ) ) ).

% rrstep.simps
thf(fact_451_rrstep_Ointros,axiom,
    ! [L: term_a_b,R3: term_a_b,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ R )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ L @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ R3 @ Sigma ) ) @ ( rrstep_a_b @ R ) ) ) ).

% rrstep.intros
thf(fact_452_rrstep__subst,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rrstep_a_b @ R ) )
     => ~ ! [L3: term_a_b,R9: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L3 @ R9 ) @ R )
           => ! [Sigma2: b > term_a_b] :
                ( ( S
                  = ( subst_7999470309526761004_a_b_b @ L3 @ Sigma2 ) )
               => ( T
                 != ( subst_7999470309526761004_a_b_b @ R9 @ Sigma2 ) ) ) ) ) ).

% rrstep_subst
thf(fact_453_order__antisym__conv,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ Y @ X )
     => ( ( ord_le8666007276011122963_a_nat @ X @ Y )
        = ( X = Y ) ) ) ).

% order_antisym_conv
thf(fact_454_order__antisym__conv,axiom,
    ! [Y: nat,X: nat] :
      ( ( ord_less_eq_nat @ Y @ X )
     => ( ( ord_less_eq_nat @ X @ Y )
        = ( X = Y ) ) ) ).

% order_antisym_conv
thf(fact_455_linorder__le__cases,axiom,
    ! [X: nat,Y: nat] :
      ( ~ ( ord_less_eq_nat @ X @ Y )
     => ( ord_less_eq_nat @ Y @ X ) ) ).

% linorder_le_cases
thf(fact_456_ord__le__eq__subst,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ( F3 @ B )
          = C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% ord_le_eq_subst
thf(fact_457_ord__le__eq__subst,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > nat,C: nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ( F3 @ B )
          = C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% ord_le_eq_subst
thf(fact_458_ord__le__eq__subst,axiom,
    ! [A: nat,B: nat,F3: nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ( F3 @ B )
          = C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% ord_le_eq_subst
thf(fact_459_ord__le__eq__subst,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ( F3 @ B )
          = C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% ord_le_eq_subst
thf(fact_460_ord__eq__le__subst,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( A
        = ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% ord_eq_le_subst
thf(fact_461_ord__eq__le__subst,axiom,
    ! [A: nat,F3: set_Pr4934435412358123699_a_nat > nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( A
        = ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% ord_eq_le_subst
thf(fact_462_ord__eq__le__subst,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: nat > set_Pr4934435412358123699_a_nat,B: nat,C: nat] :
      ( ( A
        = ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% ord_eq_le_subst
thf(fact_463_ord__eq__le__subst,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( A
        = ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% ord_eq_le_subst
thf(fact_464_linorder__linear,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
      | ( ord_less_eq_nat @ Y @ X ) ) ).

% linorder_linear
thf(fact_465_order__eq__refl,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( X = Y )
     => ( ord_le8666007276011122963_a_nat @ X @ Y ) ) ).

% order_eq_refl
thf(fact_466_order__eq__refl,axiom,
    ! [X: nat,Y: nat] :
      ( ( X = Y )
     => ( ord_less_eq_nat @ X @ Y ) ) ).

% order_eq_refl
thf(fact_467_order__subst2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_subst2
thf(fact_468_order__subst2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > nat,C: nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_less_eq_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_subst2
thf(fact_469_order__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_subst2
thf(fact_470_order__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_less_eq_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_subst2
thf(fact_471_order__subst1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_subst1
thf(fact_472_order__subst1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: nat > set_Pr4934435412358123699_a_nat,B: nat,C: nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_subst1
thf(fact_473_order__subst1,axiom,
    ! [A: nat,F3: set_Pr4934435412358123699_a_nat > nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_eq_nat @ A @ ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_subst1
thf(fact_474_order__subst1,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_eq_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_subst1
thf(fact_475_Orderings_Oorder__eq__iff,axiom,
    ( ( ^ [Y3: set_Pr4934435412358123699_a_nat,Z3: set_Pr4934435412358123699_a_nat] : ( Y3 = Z3 ) )
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A4 @ B3 )
          & ( ord_le8666007276011122963_a_nat @ B3 @ A4 ) ) ) ) ).

% Orderings.order_eq_iff
thf(fact_476_Orderings_Oorder__eq__iff,axiom,
    ( ( ^ [Y3: nat,Z3: nat] : ( Y3 = Z3 ) )
    = ( ^ [A4: nat,B3: nat] :
          ( ( ord_less_eq_nat @ A4 @ B3 )
          & ( ord_less_eq_nat @ B3 @ A4 ) ) ) ) ).

% Orderings.order_eq_iff
thf(fact_477_antisym,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ B @ A )
       => ( A = B ) ) ) ).

% antisym
thf(fact_478_antisym,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_less_eq_nat @ B @ A )
       => ( A = B ) ) ) ).

% antisym
thf(fact_479_dual__order_Otrans,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( ( ord_le8666007276011122963_a_nat @ C @ B )
       => ( ord_le8666007276011122963_a_nat @ C @ A ) ) ) ).

% dual_order.trans
thf(fact_480_dual__order_Otrans,axiom,
    ! [B: nat,A: nat,C: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( ( ord_less_eq_nat @ C @ B )
       => ( ord_less_eq_nat @ C @ A ) ) ) ).

% dual_order.trans
thf(fact_481_dual__order_Oantisym,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( ( ord_le8666007276011122963_a_nat @ A @ B )
       => ( A = B ) ) ) ).

% dual_order.antisym
thf(fact_482_dual__order_Oantisym,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( ( ord_less_eq_nat @ A @ B )
       => ( A = B ) ) ) ).

% dual_order.antisym
thf(fact_483_dual__order_Oeq__iff,axiom,
    ( ( ^ [Y3: set_Pr4934435412358123699_a_nat,Z3: set_Pr4934435412358123699_a_nat] : ( Y3 = Z3 ) )
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ B3 @ A4 )
          & ( ord_le8666007276011122963_a_nat @ A4 @ B3 ) ) ) ) ).

% dual_order.eq_iff
thf(fact_484_dual__order_Oeq__iff,axiom,
    ( ( ^ [Y3: nat,Z3: nat] : ( Y3 = Z3 ) )
    = ( ^ [A4: nat,B3: nat] :
          ( ( ord_less_eq_nat @ B3 @ A4 )
          & ( ord_less_eq_nat @ A4 @ B3 ) ) ) ) ).

% dual_order.eq_iff
thf(fact_485_linorder__wlog,axiom,
    ! [P2: nat > nat > $o,A: nat,B: nat] :
      ( ! [A2: nat,B2: nat] :
          ( ( ord_less_eq_nat @ A2 @ B2 )
         => ( P2 @ A2 @ B2 ) )
     => ( ! [A2: nat,B2: nat] :
            ( ( P2 @ B2 @ A2 )
           => ( P2 @ A2 @ B2 ) )
       => ( P2 @ A @ B ) ) ) ).

% linorder_wlog
thf(fact_486_order__trans,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat,Z2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( ord_le8666007276011122963_a_nat @ Y @ Z2 )
       => ( ord_le8666007276011122963_a_nat @ X @ Z2 ) ) ) ).

% order_trans
thf(fact_487_order__trans,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ord_less_eq_nat @ Y @ Z2 )
       => ( ord_less_eq_nat @ X @ Z2 ) ) ) ).

% order_trans
thf(fact_488_order_Otrans,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ord_le8666007276011122963_a_nat @ A @ C ) ) ) ).

% order.trans
thf(fact_489_order_Otrans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ord_less_eq_nat @ A @ C ) ) ) ).

% order.trans
thf(fact_490_order__antisym,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( ord_le8666007276011122963_a_nat @ Y @ X )
       => ( X = Y ) ) ) ).

% order_antisym
thf(fact_491_order__antisym,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ord_less_eq_nat @ Y @ X )
       => ( X = Y ) ) ) ).

% order_antisym
thf(fact_492_ord__le__eq__trans,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( B = C )
       => ( ord_le8666007276011122963_a_nat @ A @ C ) ) ) ).

% ord_le_eq_trans
thf(fact_493_ord__le__eq__trans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( B = C )
       => ( ord_less_eq_nat @ A @ C ) ) ) ).

% ord_le_eq_trans
thf(fact_494_ord__eq__le__trans,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( A = B )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ord_le8666007276011122963_a_nat @ A @ C ) ) ) ).

% ord_eq_le_trans
thf(fact_495_ord__eq__le__trans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( A = B )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ord_less_eq_nat @ A @ C ) ) ) ).

% ord_eq_le_trans
thf(fact_496_order__class_Oorder__eq__iff,axiom,
    ( ( ^ [Y3: set_Pr4934435412358123699_a_nat,Z3: set_Pr4934435412358123699_a_nat] : ( Y3 = Z3 ) )
    = ( ^ [X2: set_Pr4934435412358123699_a_nat,Y4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ X2 @ Y4 )
          & ( ord_le8666007276011122963_a_nat @ Y4 @ X2 ) ) ) ) ).

% order_class.order_eq_iff
thf(fact_497_order__class_Oorder__eq__iff,axiom,
    ( ( ^ [Y3: nat,Z3: nat] : ( Y3 = Z3 ) )
    = ( ^ [X2: nat,Y4: nat] :
          ( ( ord_less_eq_nat @ X2 @ Y4 )
          & ( ord_less_eq_nat @ Y4 @ X2 ) ) ) ) ).

% order_class.order_eq_iff
thf(fact_498_le__cases3,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ( ord_less_eq_nat @ X @ Y )
       => ~ ( ord_less_eq_nat @ Y @ Z2 ) )
     => ( ( ( ord_less_eq_nat @ Y @ X )
         => ~ ( ord_less_eq_nat @ X @ Z2 ) )
       => ( ( ( ord_less_eq_nat @ X @ Z2 )
           => ~ ( ord_less_eq_nat @ Z2 @ Y ) )
         => ( ( ( ord_less_eq_nat @ Z2 @ Y )
             => ~ ( ord_less_eq_nat @ Y @ X ) )
           => ( ( ( ord_less_eq_nat @ Y @ Z2 )
               => ~ ( ord_less_eq_nat @ Z2 @ X ) )
             => ~ ( ( ord_less_eq_nat @ Z2 @ X )
                 => ~ ( ord_less_eq_nat @ X @ Y ) ) ) ) ) ) ) ).

% le_cases3
thf(fact_499_nle__le,axiom,
    ! [A: nat,B: nat] :
      ( ( ~ ( ord_less_eq_nat @ A @ B ) )
      = ( ( ord_less_eq_nat @ B @ A )
        & ( B != A ) ) ) ).

% nle_le
thf(fact_500_order__less__imp__not__less,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ~ ( ord_less_nat @ Y @ X ) ) ).

% order_less_imp_not_less
thf(fact_501_order__less__imp__not__eq2,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( Y != X ) ) ).

% order_less_imp_not_eq2
thf(fact_502_order__less__imp__not__eq,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( X != Y ) ) ).

% order_less_imp_not_eq
thf(fact_503_linorder__less__linear,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
      | ( X = Y )
      | ( ord_less_nat @ Y @ X ) ) ).

% linorder_less_linear
thf(fact_504_order__less__imp__triv,axiom,
    ! [X: nat,Y: nat,P2: $o] :
      ( ( ord_less_nat @ X @ Y )
     => ( ( ord_less_nat @ Y @ X )
       => P2 ) ) ).

% order_less_imp_triv
thf(fact_505_order__less__not__sym,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ~ ( ord_less_nat @ Y @ X ) ) ).

% order_less_not_sym
thf(fact_506_order__less__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ord_less_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_less_subst2
thf(fact_507_order__less__subst1,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( ord_less_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_less_subst1
thf(fact_508_order__less__irrefl,axiom,
    ! [X: nat] :
      ~ ( ord_less_nat @ X @ X ) ).

% order_less_irrefl
thf(fact_509_ord__less__eq__subst,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ( F3 @ B )
          = C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% ord_less_eq_subst
thf(fact_510_ord__eq__less__subst,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( A
        = ( F3 @ B ) )
     => ( ( ord_less_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% ord_eq_less_subst
thf(fact_511_order__less__trans,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( ( ord_less_nat @ Y @ Z2 )
       => ( ord_less_nat @ X @ Z2 ) ) ) ).

% order_less_trans
thf(fact_512_order__less__asym_H,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_nat @ A @ B )
     => ~ ( ord_less_nat @ B @ A ) ) ).

% order_less_asym'
thf(fact_513_linorder__neq__iff,axiom,
    ! [X: nat,Y: nat] :
      ( ( X != Y )
      = ( ( ord_less_nat @ X @ Y )
        | ( ord_less_nat @ Y @ X ) ) ) ).

% linorder_neq_iff
thf(fact_514_order__less__asym,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ~ ( ord_less_nat @ Y @ X ) ) ).

% order_less_asym
thf(fact_515_linorder__neqE,axiom,
    ! [X: nat,Y: nat] :
      ( ( X != Y )
     => ( ~ ( ord_less_nat @ X @ Y )
       => ( ord_less_nat @ Y @ X ) ) ) ).

% linorder_neqE
thf(fact_516_dual__order_Ostrict__implies__not__eq,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_nat @ B @ A )
     => ( A != B ) ) ).

% dual_order.strict_implies_not_eq
thf(fact_517_order_Ostrict__implies__not__eq,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( A != B ) ) ).

% order.strict_implies_not_eq
thf(fact_518_dual__order_Ostrict__trans,axiom,
    ! [B: nat,A: nat,C: nat] :
      ( ( ord_less_nat @ B @ A )
     => ( ( ord_less_nat @ C @ B )
       => ( ord_less_nat @ C @ A ) ) ) ).

% dual_order.strict_trans
thf(fact_519_not__less__iff__gr__or__eq,axiom,
    ! [X: nat,Y: nat] :
      ( ( ~ ( ord_less_nat @ X @ Y ) )
      = ( ( ord_less_nat @ Y @ X )
        | ( X = Y ) ) ) ).

% not_less_iff_gr_or_eq
thf(fact_520_order_Ostrict__trans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ord_less_nat @ B @ C )
       => ( ord_less_nat @ A @ C ) ) ) ).

% order.strict_trans
thf(fact_521_linorder__less__wlog,axiom,
    ! [P2: nat > nat > $o,A: nat,B: nat] :
      ( ! [A2: nat,B2: nat] :
          ( ( ord_less_nat @ A2 @ B2 )
         => ( P2 @ A2 @ B2 ) )
     => ( ! [A2: nat] : ( P2 @ A2 @ A2 )
       => ( ! [A2: nat,B2: nat] :
              ( ( P2 @ B2 @ A2 )
             => ( P2 @ A2 @ B2 ) )
         => ( P2 @ A @ B ) ) ) ) ).

% linorder_less_wlog
thf(fact_522_exists__least__iff,axiom,
    ( ( ^ [P3: nat > $o] :
        ? [X7: nat] : ( P3 @ X7 ) )
    = ( ^ [P4: nat > $o] :
        ? [N2: nat] :
          ( ( P4 @ N2 )
          & ! [M: nat] :
              ( ( ord_less_nat @ M @ N2 )
             => ~ ( P4 @ M ) ) ) ) ) ).

% exists_least_iff
thf(fact_523_dual__order_Oirrefl,axiom,
    ! [A: nat] :
      ~ ( ord_less_nat @ A @ A ) ).

% dual_order.irrefl
thf(fact_524_dual__order_Oasym,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_nat @ B @ A )
     => ~ ( ord_less_nat @ A @ B ) ) ).

% dual_order.asym
thf(fact_525_linorder__cases,axiom,
    ! [X: nat,Y: nat] :
      ( ~ ( ord_less_nat @ X @ Y )
     => ( ( X != Y )
       => ( ord_less_nat @ Y @ X ) ) ) ).

% linorder_cases
thf(fact_526_antisym__conv3,axiom,
    ! [Y: nat,X: nat] :
      ( ~ ( ord_less_nat @ Y @ X )
     => ( ( ~ ( ord_less_nat @ X @ Y ) )
        = ( X = Y ) ) ) ).

% antisym_conv3
thf(fact_527_less__induct,axiom,
    ! [P2: nat > $o,A: nat] :
      ( ! [X3: nat] :
          ( ! [Y5: nat] :
              ( ( ord_less_nat @ Y5 @ X3 )
             => ( P2 @ Y5 ) )
         => ( P2 @ X3 ) )
     => ( P2 @ A ) ) ).

% less_induct
thf(fact_528_ord__less__eq__trans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( B = C )
       => ( ord_less_nat @ A @ C ) ) ) ).

% ord_less_eq_trans
thf(fact_529_ord__eq__less__trans,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( A = B )
     => ( ( ord_less_nat @ B @ C )
       => ( ord_less_nat @ A @ C ) ) ) ).

% ord_eq_less_trans
thf(fact_530_order_Oasym,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_nat @ A @ B )
     => ~ ( ord_less_nat @ B @ A ) ) ).

% order.asym
thf(fact_531_less__imp__neq,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( X != Y ) ) ).

% less_imp_neq
thf(fact_532_gt__ex,axiom,
    ! [X: nat] :
    ? [X_1: nat] : ( ord_less_nat @ X @ X_1 ) ).

% gt_ex
thf(fact_533_rrstep__rstep__mono,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b] : ( ord_le118470702582115849rm_a_b @ ( rrstep_a_b @ R ) @ ( rstep_a_b @ R ) ) ).

% rrstep_rstep_mono
thf(fact_534_srrstep__to__srestep,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rrstep_a_b @ R ) ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ).

% srrstep_to_srestep
thf(fact_535_srstep__subst__closed,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) )
     => ( ! [X3: b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( Sigma @ X3 ) ) @ F2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ).

% srstep_subst_closed
thf(fact_536_meetE,axiom,
    ! [B: term_a_b,C: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( abstra1093061187967292567rm_a_b @ A3 ) )
     => ~ ! [A2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ C ) @ ( transi7742714808557438673rm_a_b @ A3 ) ) ) ) ).

% meetE
thf(fact_537_meetD,axiom,
    ! [B: term_a_b,C: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( abstra1093061187967292567rm_a_b @ A3 ) )
     => ? [A2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ C ) @ ( transi7742714808557438673rm_a_b @ A3 ) ) ) ) ).

% meetD
thf(fact_538_srrstep__monp,axiom,
    ! [F2: set_Pr4934435412358123699_a_nat,G: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le8666007276011122963_a_nat @ F2 @ G )
     => ( ord_le118470702582115849rm_a_b @ ( sig_step_a_b @ F2 @ ( rrstep_a_b @ R ) ) @ ( sig_step_a_b @ G @ ( rrstep_a_b @ R ) ) ) ) ).

% srrstep_monp
thf(fact_539_srsteps__eq__subst__closed,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) )
     => ( ! [X3: b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( Sigma @ X3 ) ) @ F2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ).

% srsteps_eq_subst_closed
thf(fact_540_srsteps__subst__closed,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) )
     => ( ! [X3: b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( Sigma @ X3 ) ) @ F2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ ( transi7922773638565587891rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ) ).

% srsteps_subst_closed
thf(fact_541_srrstepD,axiom,
    ! [S: term_a_b,T: term_a_b,F2: set_Pr4934435412358123699_a_nat,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( sig_step_a_b @ F2 @ ( rrstep_a_b @ R ) ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rrstep_a_b @ R ) )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
        & ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ F2 ) ) ) ).

% srrstepD
thf(fact_542_order__le__imp__less__or__eq,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( ord_le2482536469199093511_a_nat @ X @ Y )
        | ( X = Y ) ) ) ).

% order_le_imp_less_or_eq
thf(fact_543_order__le__imp__less__or__eq,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ord_less_nat @ X @ Y )
        | ( X = Y ) ) ) ).

% order_le_imp_less_or_eq
thf(fact_544_linorder__le__less__linear,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
      | ( ord_less_nat @ Y @ X ) ) ).

% linorder_le_less_linear
thf(fact_545_order__less__le__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_le2482536469199093511_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_less_le_subst2
thf(fact_546_order__less__le__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ord_less_eq_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_less_le_subst2
thf(fact_547_order__less__le__subst1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A @ ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_less_le_subst1
thf(fact_548_order__less__le__subst1,axiom,
    ! [A: nat,F3: set_Pr4934435412358123699_a_nat > nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_nat @ A @ ( F3 @ B ) )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_less_le_subst1
thf(fact_549_order__less__le__subst1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: nat > set_Pr4934435412358123699_a_nat,B: nat,C: nat] :
      ( ( ord_le2482536469199093511_a_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_less_le_subst1
thf(fact_550_order__less__le__subst1,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( ord_less_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_less_le_subst1
thf(fact_551_order__le__less__subst2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_le2482536469199093511_a_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_le_less_subst2
thf(fact_552_order__le__less__subst2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,F3: set_Pr4934435412358123699_a_nat > nat,C: nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_less_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_le_less_subst2
thf(fact_553_order__le__less__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_le2482536469199093511_a_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_le8666007276011122963_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_le_less_subst2
thf(fact_554_order__le__less__subst2,axiom,
    ! [A: nat,B: nat,F3: nat > nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_less_nat @ ( F3 @ B ) @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_eq_nat @ X3 @ Y2 )
             => ( ord_less_eq_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ ( F3 @ A ) @ C ) ) ) ) ).

% order_le_less_subst2
thf(fact_555_order__le__less__subst1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,F3: nat > set_Pr4934435412358123699_a_nat,B: nat,C: nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_le2482536469199093511_a_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_le2482536469199093511_a_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_le_less_subst1
thf(fact_556_order__le__less__subst1,axiom,
    ! [A: nat,F3: nat > nat,B: nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ ( F3 @ B ) )
     => ( ( ord_less_nat @ B @ C )
       => ( ! [X3: nat,Y2: nat] :
              ( ( ord_less_nat @ X3 @ Y2 )
             => ( ord_less_nat @ ( F3 @ X3 ) @ ( F3 @ Y2 ) ) )
         => ( ord_less_nat @ A @ ( F3 @ C ) ) ) ) ) ).

% order_le_less_subst1
thf(fact_557_order__less__le__trans,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat,Z2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ X @ Y )
     => ( ( ord_le8666007276011122963_a_nat @ Y @ Z2 )
       => ( ord_le2482536469199093511_a_nat @ X @ Z2 ) ) ) ).

% order_less_le_trans
thf(fact_558_order__less__le__trans,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( ( ord_less_eq_nat @ Y @ Z2 )
       => ( ord_less_nat @ X @ Z2 ) ) ) ).

% order_less_le_trans
thf(fact_559_order__le__less__trans,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat,Z2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( ord_le2482536469199093511_a_nat @ Y @ Z2 )
       => ( ord_le2482536469199093511_a_nat @ X @ Z2 ) ) ) ).

% order_le_less_trans
thf(fact_560_order__le__less__trans,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ord_less_nat @ Y @ Z2 )
       => ( ord_less_nat @ X @ Z2 ) ) ) ).

% order_le_less_trans
thf(fact_561_order__neq__le__trans,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( A != B )
     => ( ( ord_le8666007276011122963_a_nat @ A @ B )
       => ( ord_le2482536469199093511_a_nat @ A @ B ) ) ) ).

% order_neq_le_trans
thf(fact_562_order__neq__le__trans,axiom,
    ! [A: nat,B: nat] :
      ( ( A != B )
     => ( ( ord_less_eq_nat @ A @ B )
       => ( ord_less_nat @ A @ B ) ) ) ).

% order_neq_le_trans
thf(fact_563_order__le__neq__trans,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( A != B )
       => ( ord_le2482536469199093511_a_nat @ A @ B ) ) ) ).

% order_le_neq_trans
thf(fact_564_order__le__neq__trans,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( A != B )
       => ( ord_less_nat @ A @ B ) ) ) ).

% order_le_neq_trans
thf(fact_565_order__less__imp__le,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ X @ Y )
     => ( ord_le8666007276011122963_a_nat @ X @ Y ) ) ).

% order_less_imp_le
thf(fact_566_order__less__imp__le,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_nat @ X @ Y )
     => ( ord_less_eq_nat @ X @ Y ) ) ).

% order_less_imp_le
thf(fact_567_linorder__not__less,axiom,
    ! [X: nat,Y: nat] :
      ( ( ~ ( ord_less_nat @ X @ Y ) )
      = ( ord_less_eq_nat @ Y @ X ) ) ).

% linorder_not_less
thf(fact_568_linorder__not__le,axiom,
    ! [X: nat,Y: nat] :
      ( ( ~ ( ord_less_eq_nat @ X @ Y ) )
      = ( ord_less_nat @ Y @ X ) ) ).

% linorder_not_le
thf(fact_569_order__less__le,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [X2: set_Pr4934435412358123699_a_nat,Y4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ X2 @ Y4 )
          & ( X2 != Y4 ) ) ) ) ).

% order_less_le
thf(fact_570_order__less__le,axiom,
    ( ord_less_nat
    = ( ^ [X2: nat,Y4: nat] :
          ( ( ord_less_eq_nat @ X2 @ Y4 )
          & ( X2 != Y4 ) ) ) ) ).

% order_less_le
thf(fact_571_order__le__less,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [X2: set_Pr4934435412358123699_a_nat,Y4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le2482536469199093511_a_nat @ X2 @ Y4 )
          | ( X2 = Y4 ) ) ) ) ).

% order_le_less
thf(fact_572_order__le__less,axiom,
    ( ord_less_eq_nat
    = ( ^ [X2: nat,Y4: nat] :
          ( ( ord_less_nat @ X2 @ Y4 )
          | ( X2 = Y4 ) ) ) ) ).

% order_le_less
thf(fact_573_dual__order_Ostrict__implies__order,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ B @ A )
     => ( ord_le8666007276011122963_a_nat @ B @ A ) ) ).

% dual_order.strict_implies_order
thf(fact_574_dual__order_Ostrict__implies__order,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_nat @ B @ A )
     => ( ord_less_eq_nat @ B @ A ) ) ).

% dual_order.strict_implies_order
thf(fact_575_order_Ostrict__implies__order,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A @ B )
     => ( ord_le8666007276011122963_a_nat @ A @ B ) ) ).

% order.strict_implies_order
thf(fact_576_order_Ostrict__implies__order,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ord_less_eq_nat @ A @ B ) ) ).

% order.strict_implies_order
thf(fact_577_dual__order_Ostrict__iff__not,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [B3: set_Pr4934435412358123699_a_nat,A4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ B3 @ A4 )
          & ~ ( ord_le8666007276011122963_a_nat @ A4 @ B3 ) ) ) ) ).

% dual_order.strict_iff_not
thf(fact_578_dual__order_Ostrict__iff__not,axiom,
    ( ord_less_nat
    = ( ^ [B3: nat,A4: nat] :
          ( ( ord_less_eq_nat @ B3 @ A4 )
          & ~ ( ord_less_eq_nat @ A4 @ B3 ) ) ) ) ).

% dual_order.strict_iff_not
thf(fact_579_dual__order_Ostrict__trans2,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ B @ A )
     => ( ( ord_le8666007276011122963_a_nat @ C @ B )
       => ( ord_le2482536469199093511_a_nat @ C @ A ) ) ) ).

% dual_order.strict_trans2
thf(fact_580_dual__order_Ostrict__trans2,axiom,
    ! [B: nat,A: nat,C: nat] :
      ( ( ord_less_nat @ B @ A )
     => ( ( ord_less_eq_nat @ C @ B )
       => ( ord_less_nat @ C @ A ) ) ) ).

% dual_order.strict_trans2
thf(fact_581_dual__order_Ostrict__trans1,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( ( ord_le2482536469199093511_a_nat @ C @ B )
       => ( ord_le2482536469199093511_a_nat @ C @ A ) ) ) ).

% dual_order.strict_trans1
thf(fact_582_dual__order_Ostrict__trans1,axiom,
    ! [B: nat,A: nat,C: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( ( ord_less_nat @ C @ B )
       => ( ord_less_nat @ C @ A ) ) ) ).

% dual_order.strict_trans1
thf(fact_583_dual__order_Ostrict__iff__order,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [B3: set_Pr4934435412358123699_a_nat,A4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ B3 @ A4 )
          & ( A4 != B3 ) ) ) ) ).

% dual_order.strict_iff_order
thf(fact_584_dual__order_Ostrict__iff__order,axiom,
    ( ord_less_nat
    = ( ^ [B3: nat,A4: nat] :
          ( ( ord_less_eq_nat @ B3 @ A4 )
          & ( A4 != B3 ) ) ) ) ).

% dual_order.strict_iff_order
thf(fact_585_dual__order_Oorder__iff__strict,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [B3: set_Pr4934435412358123699_a_nat,A4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le2482536469199093511_a_nat @ B3 @ A4 )
          | ( A4 = B3 ) ) ) ) ).

% dual_order.order_iff_strict
thf(fact_586_dual__order_Oorder__iff__strict,axiom,
    ( ord_less_eq_nat
    = ( ^ [B3: nat,A4: nat] :
          ( ( ord_less_nat @ B3 @ A4 )
          | ( A4 = B3 ) ) ) ) ).

% dual_order.order_iff_strict
thf(fact_587_order_Ostrict__iff__not,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A4 @ B3 )
          & ~ ( ord_le8666007276011122963_a_nat @ B3 @ A4 ) ) ) ) ).

% order.strict_iff_not
thf(fact_588_order_Ostrict__iff__not,axiom,
    ( ord_less_nat
    = ( ^ [A4: nat,B3: nat] :
          ( ( ord_less_eq_nat @ A4 @ B3 )
          & ~ ( ord_less_eq_nat @ B3 @ A4 ) ) ) ) ).

% order.strict_iff_not
thf(fact_589_order_Ostrict__trans2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A @ B )
     => ( ( ord_le8666007276011122963_a_nat @ B @ C )
       => ( ord_le2482536469199093511_a_nat @ A @ C ) ) ) ).

% order.strict_trans2
thf(fact_590_order_Ostrict__trans2,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ord_less_nat @ A @ C ) ) ) ).

% order.strict_trans2
thf(fact_591_order_Ostrict__trans1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( ord_le2482536469199093511_a_nat @ B @ C )
       => ( ord_le2482536469199093511_a_nat @ A @ C ) ) ) ).

% order.strict_trans1
thf(fact_592_order_Ostrict__trans1,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( ord_less_nat @ B @ C )
       => ( ord_less_nat @ A @ C ) ) ) ).

% order.strict_trans1
thf(fact_593_order_Ostrict__iff__order,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A4 @ B3 )
          & ( A4 != B3 ) ) ) ) ).

% order.strict_iff_order
thf(fact_594_order_Ostrict__iff__order,axiom,
    ( ord_less_nat
    = ( ^ [A4: nat,B3: nat] :
          ( ( ord_less_eq_nat @ A4 @ B3 )
          & ( A4 != B3 ) ) ) ) ).

% order.strict_iff_order
thf(fact_595_order_Oorder__iff__strict,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le2482536469199093511_a_nat @ A4 @ B3 )
          | ( A4 = B3 ) ) ) ) ).

% order.order_iff_strict
thf(fact_596_order_Oorder__iff__strict,axiom,
    ( ord_less_eq_nat
    = ( ^ [A4: nat,B3: nat] :
          ( ( ord_less_nat @ A4 @ B3 )
          | ( A4 = B3 ) ) ) ) ).

% order.order_iff_strict
thf(fact_597_not__le__imp__less,axiom,
    ! [Y: nat,X: nat] :
      ( ~ ( ord_less_eq_nat @ Y @ X )
     => ( ord_less_nat @ X @ Y ) ) ).

% not_le_imp_less
thf(fact_598_less__le__not__le,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [X2: set_Pr4934435412358123699_a_nat,Y4: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ X2 @ Y4 )
          & ~ ( ord_le8666007276011122963_a_nat @ Y4 @ X2 ) ) ) ) ).

% less_le_not_le
thf(fact_599_less__le__not__le,axiom,
    ( ord_less_nat
    = ( ^ [X2: nat,Y4: nat] :
          ( ( ord_less_eq_nat @ X2 @ Y4 )
          & ~ ( ord_less_eq_nat @ Y4 @ X2 ) ) ) ) ).

% less_le_not_le
thf(fact_600_antisym__conv2,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( ~ ( ord_le2482536469199093511_a_nat @ X @ Y ) )
        = ( X = Y ) ) ) ).

% antisym_conv2
thf(fact_601_antisym__conv2,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ~ ( ord_less_nat @ X @ Y ) )
        = ( X = Y ) ) ) ).

% antisym_conv2
thf(fact_602_antisym__conv1,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ~ ( ord_le2482536469199093511_a_nat @ X @ Y )
     => ( ( ord_le8666007276011122963_a_nat @ X @ Y )
        = ( X = Y ) ) ) ).

% antisym_conv1
thf(fact_603_antisym__conv1,axiom,
    ! [X: nat,Y: nat] :
      ( ~ ( ord_less_nat @ X @ Y )
     => ( ( ord_less_eq_nat @ X @ Y )
        = ( X = Y ) ) ) ).

% antisym_conv1
thf(fact_604_nless__le,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ~ ( ord_le2482536469199093511_a_nat @ A @ B ) )
      = ( ~ ( ord_le8666007276011122963_a_nat @ A @ B )
        | ( A = B ) ) ) ).

% nless_le
thf(fact_605_nless__le,axiom,
    ! [A: nat,B: nat] :
      ( ( ~ ( ord_less_nat @ A @ B ) )
      = ( ~ ( ord_less_eq_nat @ A @ B )
        | ( A = B ) ) ) ).

% nless_le
thf(fact_606_leI,axiom,
    ! [X: nat,Y: nat] :
      ( ~ ( ord_less_nat @ X @ Y )
     => ( ord_less_eq_nat @ Y @ X ) ) ).

% leI
thf(fact_607_leD,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ Y @ X )
     => ~ ( ord_le2482536469199093511_a_nat @ X @ Y ) ) ).

% leD
thf(fact_608_leD,axiom,
    ! [Y: nat,X: nat] :
      ( ( ord_less_eq_nat @ Y @ X )
     => ~ ( ord_less_nat @ X @ Y ) ) ).

% leD
thf(fact_609_subrelI,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: term_a_b,Y2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ S ) )
     => ( ord_le118470702582115849rm_a_b @ R3 @ S ) ) ).

% subrelI
thf(fact_610_subrelI,axiom,
    ! [R3: set_Pr4934435412358123699_a_nat,S: set_Pr4934435412358123699_a_nat] :
      ( ! [X3: a,Y2: nat] :
          ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X3 @ Y2 ) @ R3 )
         => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X3 @ Y2 ) @ S ) )
     => ( ord_le8666007276011122963_a_nat @ R3 @ S ) ) ).

% subrelI
thf(fact_611_relcomp_Ocases,axiom,
    ! [A1: a,A22: nat,R3: set_Product_prod_a_a,S: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A1 @ A22 ) @ ( relcomp_a_a_nat @ R3 @ S ) )
     => ~ ! [B2: a] :
            ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A1 @ B2 ) @ R3 )
           => ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ B2 @ A22 ) @ S ) ) ) ).

% relcomp.cases
thf(fact_612_relcomp_Ocases,axiom,
    ! [A1: a,A22: nat,R3: set_Pr4934435412358123699_a_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A1 @ A22 ) @ ( relcomp_a_nat_nat @ R3 @ S ) )
     => ~ ! [B2: nat] :
            ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A1 @ B2 ) @ R3 )
           => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B2 @ A22 ) @ S ) ) ) ).

% relcomp.cases
thf(fact_613_relcomp_Ocases,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( relcom370159955682700863rm_a_b @ R3 @ S ) )
     => ~ ! [B2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ B2 ) @ R3 )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B2 @ A22 ) @ S ) ) ) ).

% relcomp.cases
thf(fact_614_relcomp_Osimps,axiom,
    ! [A1: a,A22: nat,R3: set_Product_prod_a_a,S: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A1 @ A22 ) @ ( relcomp_a_a_nat @ R3 @ S ) )
      = ( ? [A4: a,B3: a,C2: nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A4 @ B3 ) @ R3 )
            & ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ B3 @ C2 ) @ S ) ) ) ) ).

% relcomp.simps
thf(fact_615_relcomp_Osimps,axiom,
    ! [A1: a,A22: nat,R3: set_Pr4934435412358123699_a_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A1 @ A22 ) @ ( relcomp_a_nat_nat @ R3 @ S ) )
      = ( ? [A4: a,B3: nat,C2: nat] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A4 @ B3 ) @ R3 )
            & ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B3 @ C2 ) @ S ) ) ) ) ).

% relcomp.simps
thf(fact_616_relcomp_Osimps,axiom,
    ! [A1: term_a_b,A22: term_a_b,R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ ( relcom370159955682700863rm_a_b @ R3 @ S ) )
      = ( ? [A4: term_a_b,B3: term_a_b,C2: term_a_b] :
            ( ( A1 = A4 )
            & ( A22 = C2 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A4 @ B3 ) @ R3 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B3 @ C2 ) @ S ) ) ) ) ).

% relcomp.simps
thf(fact_617_relcomp_OrelcompI,axiom,
    ! [A: a,B: a,R3: set_Product_prod_a_a,C: nat,S: set_Pr4934435412358123699_a_nat] :
      ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B ) @ R3 )
     => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ B @ C ) @ S )
       => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ C ) @ ( relcomp_a_a_nat @ R3 @ S ) ) ) ) ).

% relcomp.relcompI
thf(fact_618_relcomp_OrelcompI,axiom,
    ! [A: a,B: nat,R3: set_Pr4934435412358123699_a_nat,C: nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ B ) @ R3 )
     => ( ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B @ C ) @ S )
       => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ C ) @ ( relcomp_a_nat_nat @ R3 @ S ) ) ) ) ).

% relcomp.relcompI
thf(fact_619_relcomp_OrelcompI,axiom,
    ! [A: term_a_b,B: term_a_b,R3: set_Pr4386577575007340137rm_a_b,C: term_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ S )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( relcom370159955682700863rm_a_b @ R3 @ S ) ) ) ) ).

% relcomp.relcompI
thf(fact_620_relcompE,axiom,
    ! [Xz: product_prod_a_nat,R3: set_Product_prod_a_a,S: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ Xz @ ( relcomp_a_a_nat @ R3 @ S ) )
     => ~ ! [X3: a,Y2: a,Z: nat] :
            ( ( Xz
              = ( product_Pair_a_nat @ X3 @ Z ) )
           => ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ X3 @ Y2 ) @ R3 )
             => ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ Y2 @ Z ) @ S ) ) ) ) ).

% relcompE
thf(fact_621_relcompE,axiom,
    ! [Xz: product_prod_a_nat,R3: set_Pr4934435412358123699_a_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member5724188588386418708_a_nat @ Xz @ ( relcomp_a_nat_nat @ R3 @ S ) )
     => ~ ! [X3: a,Y2: nat,Z: nat] :
            ( ( Xz
              = ( product_Pair_a_nat @ X3 @ Z ) )
           => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X3 @ Y2 ) @ R3 )
             => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ Y2 @ Z ) @ S ) ) ) ) ).

% relcompE
thf(fact_622_relcompE,axiom,
    ! [Xz: produc357393685978478089rm_a_b,R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ Xz @ ( relcom370159955682700863rm_a_b @ R3 @ S ) )
     => ~ ! [X3: term_a_b,Y2: term_a_b,Z: term_a_b] :
            ( ( Xz
              = ( produc7020197800436672577rm_a_b @ X3 @ Z ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
             => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z ) @ S ) ) ) ) ).

% relcompE
thf(fact_623_relcompEpair,axiom,
    ! [A: a,C: nat,R3: set_Product_prod_a_a,S: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ C ) @ ( relcomp_a_a_nat @ R3 @ S ) )
     => ~ ! [B2: a] :
            ( ( member1426531477525435216od_a_a @ ( product_Pair_a_a @ A @ B2 ) @ R3 )
           => ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ B2 @ C ) @ S ) ) ) ).

% relcompEpair
thf(fact_624_relcompEpair,axiom,
    ! [A: a,C: nat,R3: set_Pr4934435412358123699_a_nat,S: set_Pr1261947904930325089at_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ C ) @ ( relcomp_a_nat_nat @ R3 @ S ) )
     => ~ ! [B2: nat] :
            ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ A @ B2 ) @ R3 )
           => ~ ( member8440522571783428010at_nat @ ( product_Pair_nat_nat @ B2 @ C ) @ S ) ) ) ).

% relcompEpair
thf(fact_625_relcompEpair,axiom,
    ! [A: term_a_b,C: term_a_b,R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( relcom370159955682700863rm_a_b @ R3 @ S ) )
     => ~ ! [B2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B2 ) @ R3 )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B2 @ C ) @ S ) ) ) ).

% relcompEpair
thf(fact_626_complete__interval,axiom,
    ! [A: nat,B: nat,P2: nat > $o] :
      ( ( ord_less_nat @ A @ B )
     => ( ( P2 @ A )
       => ( ~ ( P2 @ B )
         => ? [C3: nat] :
              ( ( ord_less_eq_nat @ A @ C3 )
              & ( ord_less_eq_nat @ C3 @ B )
              & ! [X5: nat] :
                  ( ( ( ord_less_eq_nat @ A @ X5 )
                    & ( ord_less_nat @ X5 @ C3 ) )
                 => ( P2 @ X5 ) )
              & ! [D: nat] :
                  ( ! [X3: nat] :
                      ( ( ( ord_less_eq_nat @ A @ X3 )
                        & ( ord_less_nat @ X3 @ D ) )
                     => ( P2 @ X3 ) )
                 => ( ord_less_eq_nat @ D @ C3 ) ) ) ) ) ) ).

% complete_interval
thf(fact_627_verit__comp__simplify1_I3_J,axiom,
    ! [B5: nat,A5: nat] :
      ( ( ~ ( ord_less_eq_nat @ B5 @ A5 ) )
      = ( ord_less_nat @ A5 @ B5 ) ) ).

% verit_comp_simplify1(3)
thf(fact_628_pinf_I6_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ~ ( ord_less_eq_nat @ X5 @ T ) ) ).

% pinf(6)
thf(fact_629_pinf_I8_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ( ord_less_eq_nat @ T @ X5 ) ) ).

% pinf(8)
thf(fact_630_minf_I6_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ( ord_less_eq_nat @ X5 @ T ) ) ).

% minf(6)
thf(fact_631_minf_I8_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ~ ( ord_less_eq_nat @ T @ X5 ) ) ).

% minf(8)
thf(fact_632_permut__aux__sound,axiom,
    ! [I4: nat,As: list_term_a_b,F3: nat > nat,Bs: list_term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ As ) )
     => ( ( nth_term_a_b @ ( missin5661735679256376914rm_a_b @ As @ F3 @ Bs ) @ I4 )
        = ( nth_term_a_b @ Bs @ ( F3 @ I4 ) ) ) ) ).

% permut_aux_sound
thf(fact_633_psubsetI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( A3 != B4 )
       => ( ord_le2482536469199093511_a_nat @ A3 @ B4 ) ) ) ).

% psubsetI
thf(fact_634_psubsetE,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A3 @ B4 )
     => ~ ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
         => ( ord_le8666007276011122963_a_nat @ B4 @ A3 ) ) ) ).

% psubsetE
thf(fact_635_psubset__eq,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A6 @ B6 )
          & ( A6 != B6 ) ) ) ) ).

% psubset_eq
thf(fact_636_psubset__imp__subset,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A3 @ B4 )
     => ( ord_le8666007276011122963_a_nat @ A3 @ B4 ) ) ).

% psubset_imp_subset
thf(fact_637_psubset__subset__trans,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A3 @ B4 )
     => ( ( ord_le8666007276011122963_a_nat @ B4 @ C4 )
       => ( ord_le2482536469199093511_a_nat @ A3 @ C4 ) ) ) ).

% psubset_subset_trans
thf(fact_638_subset__not__subset__eq,axiom,
    ( ord_le2482536469199093511_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le8666007276011122963_a_nat @ A6 @ B6 )
          & ~ ( ord_le8666007276011122963_a_nat @ B6 @ A6 ) ) ) ) ).

% subset_not_subset_eq
thf(fact_639_subset__psubset__trans,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( ord_le2482536469199093511_a_nat @ B4 @ C4 )
       => ( ord_le2482536469199093511_a_nat @ A3 @ C4 ) ) ) ).

% subset_psubset_trans
thf(fact_640_subset__iff__psubset__eq,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
          ( ( ord_le2482536469199093511_a_nat @ A6 @ B6 )
          | ( A6 = B6 ) ) ) ) ).

% subset_iff_psubset_eq
thf(fact_641_verit__comp__simplify1_I2_J,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A @ A ) ).

% verit_comp_simplify1(2)
thf(fact_642_verit__comp__simplify1_I2_J,axiom,
    ! [A: nat] : ( ord_less_eq_nat @ A @ A ) ).

% verit_comp_simplify1(2)
thf(fact_643_verit__la__disequality,axiom,
    ! [A: nat,B: nat] :
      ( ( A = B )
      | ~ ( ord_less_eq_nat @ A @ B )
      | ~ ( ord_less_eq_nat @ B @ A ) ) ).

% verit_la_disequality
thf(fact_644_minf_I7_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ~ ( ord_less_nat @ T @ X5 ) ) ).

% minf(7)
thf(fact_645_minf_I5_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ( ord_less_nat @ X5 @ T ) ) ).

% minf(5)
thf(fact_646_minf_I4_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ( X5 != T ) ) ).

% minf(4)
thf(fact_647_minf_I3_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ X5 @ Z )
     => ( X5 != T ) ) ).

% minf(3)
thf(fact_648_minf_I2_J,axiom,
    ! [P2: nat > $o,P5: nat > $o,Q: nat > $o,Q2: nat > $o] :
      ( ? [Z4: nat] :
        ! [X3: nat] :
          ( ( ord_less_nat @ X3 @ Z4 )
         => ( ( P2 @ X3 )
            = ( P5 @ X3 ) ) )
     => ( ? [Z4: nat] :
          ! [X3: nat] :
            ( ( ord_less_nat @ X3 @ Z4 )
           => ( ( Q @ X3 )
              = ( Q2 @ X3 ) ) )
       => ? [Z: nat] :
          ! [X5: nat] :
            ( ( ord_less_nat @ X5 @ Z )
           => ( ( ( P2 @ X5 )
                | ( Q @ X5 ) )
              = ( ( P5 @ X5 )
                | ( Q2 @ X5 ) ) ) ) ) ) ).

% minf(2)
thf(fact_649_minf_I1_J,axiom,
    ! [P2: nat > $o,P5: nat > $o,Q: nat > $o,Q2: nat > $o] :
      ( ? [Z4: nat] :
        ! [X3: nat] :
          ( ( ord_less_nat @ X3 @ Z4 )
         => ( ( P2 @ X3 )
            = ( P5 @ X3 ) ) )
     => ( ? [Z4: nat] :
          ! [X3: nat] :
            ( ( ord_less_nat @ X3 @ Z4 )
           => ( ( Q @ X3 )
              = ( Q2 @ X3 ) ) )
       => ? [Z: nat] :
          ! [X5: nat] :
            ( ( ord_less_nat @ X5 @ Z )
           => ( ( ( P2 @ X5 )
                & ( Q @ X5 ) )
              = ( ( P5 @ X5 )
                & ( Q2 @ X5 ) ) ) ) ) ) ).

% minf(1)
thf(fact_650_pinf_I7_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ( ord_less_nat @ T @ X5 ) ) ).

% pinf(7)
thf(fact_651_pinf_I5_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ~ ( ord_less_nat @ X5 @ T ) ) ).

% pinf(5)
thf(fact_652_pinf_I4_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ( X5 != T ) ) ).

% pinf(4)
thf(fact_653_pinf_I3_J,axiom,
    ! [T: nat] :
    ? [Z: nat] :
    ! [X5: nat] :
      ( ( ord_less_nat @ Z @ X5 )
     => ( X5 != T ) ) ).

% pinf(3)
thf(fact_654_pinf_I2_J,axiom,
    ! [P2: nat > $o,P5: nat > $o,Q: nat > $o,Q2: nat > $o] :
      ( ? [Z4: nat] :
        ! [X3: nat] :
          ( ( ord_less_nat @ Z4 @ X3 )
         => ( ( P2 @ X3 )
            = ( P5 @ X3 ) ) )
     => ( ? [Z4: nat] :
          ! [X3: nat] :
            ( ( ord_less_nat @ Z4 @ X3 )
           => ( ( Q @ X3 )
              = ( Q2 @ X3 ) ) )
       => ? [Z: nat] :
          ! [X5: nat] :
            ( ( ord_less_nat @ Z @ X5 )
           => ( ( ( P2 @ X5 )
                | ( Q @ X5 ) )
              = ( ( P5 @ X5 )
                | ( Q2 @ X5 ) ) ) ) ) ) ).

% pinf(2)
thf(fact_655_pinf_I1_J,axiom,
    ! [P2: nat > $o,P5: nat > $o,Q: nat > $o,Q2: nat > $o] :
      ( ? [Z4: nat] :
        ! [X3: nat] :
          ( ( ord_less_nat @ Z4 @ X3 )
         => ( ( P2 @ X3 )
            = ( P5 @ X3 ) ) )
     => ( ? [Z4: nat] :
          ! [X3: nat] :
            ( ( ord_less_nat @ Z4 @ X3 )
           => ( ( Q @ X3 )
              = ( Q2 @ X3 ) ) )
       => ? [Z: nat] :
          ! [X5: nat] :
            ( ( ord_less_nat @ Z @ X5 )
           => ( ( ( P2 @ X5 )
                & ( Q @ X5 ) )
              = ( ( P5 @ X5 )
                & ( Q2 @ X5 ) ) ) ) ) ) ).

% pinf(1)
thf(fact_656_verit__comp__simplify1_I1_J,axiom,
    ! [A: nat] :
      ~ ( ord_less_nat @ A @ A ) ).

% verit_comp_simplify1(1)
thf(fact_657_min__list__nth,axiom,
    ! [Xs: list_nat,Ys: list_nat] :
      ( ( ( size_size_list_nat @ Xs )
        = ( size_size_list_nat @ Ys ) )
     => ( ! [I3: nat] :
            ( ( ord_less_nat @ I3 @ ( size_size_list_nat @ Ys ) )
           => ( ord_less_eq_nat @ ( nth_nat @ Xs @ I3 ) @ ( nth_nat @ Ys @ I3 ) ) )
       => ( ord_less_eq_nat @ ( missing_min_list_nat @ Xs ) @ ( missing_min_list_nat @ Ys ) ) ) ) ).

% min_list_nth
thf(fact_658_supteqp_Osimps,axiom,
    ( subter3057829548224121575qp_a_b
    = ( ^ [A12: term_a_b,A23: term_a_b] :
          ( ? [T3: term_a_b] :
              ( ( A12 = T3 )
              & ( A23 = T3 ) )
          | ? [U3: term_a_b,Ss3: list_term_a_b,T3: term_a_b,F6: a] :
              ( ( A12
                = ( fun_a_b @ F6 @ Ss3 ) )
              & ( A23 = T3 )
              & ( member_term_a_b @ U3 @ ( set_term_a_b2 @ Ss3 ) )
              & ( subter3057829548224121575qp_a_b @ U3 @ T3 ) ) ) ) ) ).

% supteqp.simps
thf(fact_659_suptp_Osimps,axiom,
    ( subter8709468037939584051tp_a_b
    = ( ^ [A12: term_a_b,A23: term_a_b] :
          ( ? [S6: term_a_b,Ss3: list_term_a_b,F6: a] :
              ( ( A12
                = ( fun_a_b @ F6 @ Ss3 ) )
              & ( A23 = S6 )
              & ( member_term_a_b @ S6 @ ( set_term_a_b2 @ Ss3 ) ) )
          | ? [S6: term_a_b,Ss3: list_term_a_b,T3: term_a_b,F6: a] :
              ( ( A12
                = ( fun_a_b @ F6 @ Ss3 ) )
              & ( A23 = T3 )
              & ( member_term_a_b @ S6 @ ( set_term_a_b2 @ Ss3 ) )
              & ( subter8709468037939584051tp_a_b @ S6 @ T3 ) ) ) ) ) ).

% suptp.simps
thf(fact_660_normalizability__I,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ A3 ) )
     => ( ( member5724188588386418708_a_nat @ B @ ( abstra2685462378305987313_a_nat @ A3 ) )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( abstra3832961281062565333_a_nat @ A3 ) ) ) ) ).

% normalizability_I
thf(fact_661_normalizability__I,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ A3 ) )
     => ( ( member5869715511025134514rm_a_b @ B @ ( abstra1902783451776770197rm_a_b @ A3 ) )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( abstra1496011390211842225rm_a_b @ A3 ) ) ) ) ).

% normalizability_I
thf(fact_662_normalizability__I,axiom,
    ! [A: term_a_b,B: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
     => ( ( member_term_a_b @ B @ ( abstract_NF_term_a_b @ A3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( abstra2972651231392952684rm_a_b @ A3 ) ) ) ) ).

% normalizability_I
thf(fact_663_normalizability__I_H,axiom,
    ! [A: term_a_b,B: term_a_b,A3: set_Pr4386577575007340137rm_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( abstra2972651231392952684rm_a_b @ A3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( abstra2972651231392952684rm_a_b @ A3 ) ) ) ) ).

% normalizability_I'
thf(fact_664_psubsetD,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C: product_prod_a_nat] :
      ( ( ord_le2482536469199093511_a_nat @ A3 @ B4 )
     => ( ( member5724188588386418708_a_nat @ C @ A3 )
       => ( member5724188588386418708_a_nat @ C @ B4 ) ) ) ).

% psubsetD
thf(fact_665_psubsetD,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( ord_le4883060154188259093rm_a_b @ A3 @ B4 )
     => ( ( member5869715511025134514rm_a_b @ C @ A3 )
       => ( member5869715511025134514rm_a_b @ C @ B4 ) ) ) ).

% psubsetD
thf(fact_666_psubsetD,axiom,
    ! [A3: set_term_a_b,B4: set_term_a_b,C: term_a_b] :
      ( ( ord_le7073768085308280478rm_a_b @ A3 @ B4 )
     => ( ( member_term_a_b @ C @ A3 )
       => ( member_term_a_b @ C @ B4 ) ) ) ).

% psubsetD
thf(fact_667_min__list,axiom,
    ! [X: nat,Xs: list_nat] :
      ( ( member_nat @ X @ ( set_nat2 @ Xs ) )
     => ( ord_less_eq_nat @ ( missing_min_list_nat @ Xs ) @ X ) ) ).

% min_list
thf(fact_668_normalizability__E,axiom,
    ! [A: product_prod_a_nat,B: product_prod_a_nat,A3: set_Pr1811044260758604347_a_nat] :
      ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( abstra3832961281062565333_a_nat @ A3 ) )
     => ~ ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ A3 ) )
         => ~ ( member5724188588386418708_a_nat @ B @ ( abstra2685462378305987313_a_nat @ A3 ) ) ) ) ).

% normalizability_E
thf(fact_669_normalizability__E,axiom,
    ! [A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,A3: set_Pr2972776593051762503rm_a_b] :
      ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( abstra1496011390211842225rm_a_b @ A3 ) )
     => ~ ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ A3 ) )
         => ~ ( member5869715511025134514rm_a_b @ B @ ( abstra1902783451776770197rm_a_b @ A3 ) ) ) ) ).

% normalizability_E
thf(fact_670_normalizability__E,axiom,
    ! [A: term_a_b,B: term_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( abstra2972651231392952684rm_a_b @ A3 ) )
     => ~ ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ A3 ) )
         => ~ ( member_term_a_b @ B @ ( abstract_NF_term_a_b @ A3 ) ) ) ) ).

% normalizability_E
thf(fact_671_NFP__on__def,axiom,
    ( rewrit6304709981509430748rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ! [B3: term_a_b,C2: term_a_b] :
              ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ ( transi7742714808557438673rm_a_b @ R4 ) )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ C2 ) @ ( abstra2972651231392952684rm_a_b @ R4 ) ) )
             => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B3 @ C2 ) @ ( transi7742714808557438673rm_a_b @ R4 ) ) ) ) ) ) ).

% NFP_on_def
thf(fact_672_NE__on__def,axiom,
    ( rewrit7370782028743737947rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,S6: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ! [B3: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ ( abstra2972651231392952684rm_a_b @ R4 ) )
              = ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ ( abstra2972651231392952684rm_a_b @ S6 ) ) ) ) ) ) ).

% NE_on_def
thf(fact_673_UNF__onI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ! [A2: product_prod_a_nat,B2: product_prod_a_nat,C3: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ A2 @ A3 )
         => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A2 @ B2 ) @ ( abstra3832961281062565333_a_nat @ R3 ) )
           => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A2 @ C3 ) @ ( abstra3832961281062565333_a_nat @ R3 ) )
             => ( B2 = C3 ) ) ) )
     => ( abstra7833083522531381839_a_nat @ R3 @ A3 ) ) ).

% UNF_onI
thf(fact_674_UNF__onI,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ! [A2: produc357393685978478089rm_a_b,B2: produc357393685978478089rm_a_b,C3: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ A2 @ A3 )
         => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A2 @ B2 ) @ ( abstra1496011390211842225rm_a_b @ R3 ) )
           => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A2 @ C3 ) @ ( abstra1496011390211842225rm_a_b @ R3 ) )
             => ( B2 = C3 ) ) ) )
     => ( abstra1303798319023342519rm_a_b @ R3 @ A3 ) ) ).

% UNF_onI
thf(fact_675_UNF__onI,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ! [A2: term_a_b,B2: term_a_b,C3: term_a_b] :
          ( ( member_term_a_b @ A2 @ A3 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B2 ) @ ( abstra2972651231392952684rm_a_b @ R3 ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ C3 ) @ ( abstra2972651231392952684rm_a_b @ R3 ) )
             => ( B2 = C3 ) ) ) )
     => ( abstra3619855735679963878rm_a_b @ R3 @ A3 ) ) ).

% UNF_onI
thf(fact_676_WN__onI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat] :
      ( ! [A2: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ A2 @ A3 )
         => ? [B7: product_prod_a_nat] : ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A2 @ B7 ) @ ( abstra3832961281062565333_a_nat @ R3 ) ) )
     => ( abstra4582696096554303663_a_nat @ R3 @ A3 ) ) ).

% WN_onI
thf(fact_677_WN__onI,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b] :
      ( ! [A2: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ A2 @ A3 )
         => ? [B7: produc357393685978478089rm_a_b] : ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A2 @ B7 ) @ ( abstra1496011390211842225rm_a_b @ R3 ) ) )
     => ( abstra2721873542170697047rm_a_b @ R3 @ A3 ) ) ).

% WN_onI
thf(fact_678_WN__onI,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ! [A2: term_a_b] :
          ( ( member_term_a_b @ A2 @ A3 )
         => ? [B7: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A2 @ B7 ) @ ( abstra2972651231392952684rm_a_b @ R3 ) ) )
     => ( abstra4644735066934440262rm_a_b @ R3 @ A3 ) ) ).

% WN_onI
thf(fact_679_restrict__SN__trancl__simp,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7922773638565587891rm_a_b @ ( abstra4933154510623179783rm_a_b @ A3 @ A3 ) )
      = ( abstra4933154510623179783rm_a_b @ ( transi7922773638565587891rm_a_b @ A3 ) @ A3 ) ) ).

% restrict_SN_trancl_simp
thf(fact_680_comp__rtrancl__trancl,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b,S: term_a_b,T: term_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ R2 @ S3 ) @ S3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R2 @ S3 ) ) @ S3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7922773638565587891rm_a_b @ S3 ) ) ) ) ).

% comp_rtrancl_trancl
thf(fact_681_Un__iff,axiom,
    ! [C: product_prod_a_nat,A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) )
      = ( ( member5724188588386418708_a_nat @ C @ A3 )
        | ( member5724188588386418708_a_nat @ C @ B4 ) ) ) ).

% Un_iff
thf(fact_682_Un__iff,axiom,
    ! [C: produc357393685978478089rm_a_b,A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ C @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
      = ( ( member5869715511025134514rm_a_b @ C @ A3 )
        | ( member5869715511025134514rm_a_b @ C @ B4 ) ) ) ).

% Un_iff
thf(fact_683_Un__iff,axiom,
    ! [C: term_a_b,A3: set_term_a_b,B4: set_term_a_b] :
      ( ( member_term_a_b @ C @ ( sup_sup_set_term_a_b @ A3 @ B4 ) )
      = ( ( member_term_a_b @ C @ A3 )
        | ( member_term_a_b @ C @ B4 ) ) ) ).

% Un_iff
thf(fact_684_UnCI,axiom,
    ! [C: product_prod_a_nat,B4: set_Pr4934435412358123699_a_nat,A3: set_Pr4934435412358123699_a_nat] :
      ( ( ~ ( member5724188588386418708_a_nat @ C @ B4 )
       => ( member5724188588386418708_a_nat @ C @ A3 ) )
     => ( member5724188588386418708_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) ) ) ).

% UnCI
thf(fact_685_UnCI,axiom,
    ! [C: produc357393685978478089rm_a_b,B4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ~ ( member5869715511025134514rm_a_b @ C @ B4 )
       => ( member5869715511025134514rm_a_b @ C @ A3 ) )
     => ( member5869715511025134514rm_a_b @ C @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) ) ) ).

% UnCI
thf(fact_686_UnCI,axiom,
    ! [C: term_a_b,B4: set_term_a_b,A3: set_term_a_b] :
      ( ( ~ ( member_term_a_b @ C @ B4 )
       => ( member_term_a_b @ C @ A3 ) )
     => ( member_term_a_b @ C @ ( sup_sup_set_term_a_b @ A3 @ B4 ) ) ) ).

% UnCI
thf(fact_687_Un__subset__iff,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) @ C4 )
      = ( ( ord_le8666007276011122963_a_nat @ A3 @ C4 )
        & ( ord_le8666007276011122963_a_nat @ B4 @ C4 ) ) ) ).

% Un_subset_iff
thf(fact_688_UnI2,axiom,
    ! [C: product_prod_a_nat,B4: set_Pr4934435412358123699_a_nat,A3: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ C @ B4 )
     => ( member5724188588386418708_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) ) ) ).

% UnI2
thf(fact_689_UnI2,axiom,
    ! [C: produc357393685978478089rm_a_b,B4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ C @ B4 )
     => ( member5869715511025134514rm_a_b @ C @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) ) ) ).

% UnI2
thf(fact_690_UnI2,axiom,
    ! [C: term_a_b,B4: set_term_a_b,A3: set_term_a_b] :
      ( ( member_term_a_b @ C @ B4 )
     => ( member_term_a_b @ C @ ( sup_sup_set_term_a_b @ A3 @ B4 ) ) ) ).

% UnI2
thf(fact_691_UnI1,axiom,
    ! [C: product_prod_a_nat,A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ C @ A3 )
     => ( member5724188588386418708_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) ) ) ).

% UnI1
thf(fact_692_UnI1,axiom,
    ! [C: produc357393685978478089rm_a_b,A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ C @ A3 )
     => ( member5869715511025134514rm_a_b @ C @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) ) ) ).

% UnI1
thf(fact_693_UnI1,axiom,
    ! [C: term_a_b,A3: set_term_a_b,B4: set_term_a_b] :
      ( ( member_term_a_b @ C @ A3 )
     => ( member_term_a_b @ C @ ( sup_sup_set_term_a_b @ A3 @ B4 ) ) ) ).

% UnI1
thf(fact_694_UnE,axiom,
    ! [C: product_prod_a_nat,A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( member5724188588386418708_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) )
     => ( ~ ( member5724188588386418708_a_nat @ C @ A3 )
       => ( member5724188588386418708_a_nat @ C @ B4 ) ) ) ).

% UnE
thf(fact_695_UnE,axiom,
    ! [C: produc357393685978478089rm_a_b,A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ C @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
     => ( ~ ( member5869715511025134514rm_a_b @ C @ A3 )
       => ( member5869715511025134514rm_a_b @ C @ B4 ) ) ) ).

% UnE
thf(fact_696_UnE,axiom,
    ! [C: term_a_b,A3: set_term_a_b,B4: set_term_a_b] :
      ( ( member_term_a_b @ C @ ( sup_sup_set_term_a_b @ A3 @ B4 ) )
     => ( ~ ( member_term_a_b @ C @ A3 )
       => ( member_term_a_b @ C @ B4 ) ) ) ).

% UnE
thf(fact_697_Un__mono,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat,D2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ C4 )
     => ( ( ord_le8666007276011122963_a_nat @ B4 @ D2 )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) @ ( sup_su459911885395995103_a_nat @ C4 @ D2 ) ) ) ) ).

% Un_mono
thf(fact_698_Un__least,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,C4: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ C4 )
     => ( ( ord_le8666007276011122963_a_nat @ B4 @ C4 )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) @ C4 ) ) ) ).

% Un_least
thf(fact_699_Un__upper1,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A3 @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) ) ).

% Un_upper1
thf(fact_700_Un__upper2,axiom,
    ! [B4: set_Pr4934435412358123699_a_nat,A3: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ B4 @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) ) ).

% Un_upper2
thf(fact_701_Un__absorb1,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ B4 )
     => ( ( sup_su459911885395995103_a_nat @ A3 @ B4 )
        = B4 ) ) ).

% Un_absorb1
thf(fact_702_Un__absorb2,axiom,
    ! [B4: set_Pr4934435412358123699_a_nat,A3: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B4 @ A3 )
     => ( ( sup_su459911885395995103_a_nat @ A3 @ B4 )
        = A3 ) ) ).

% Un_absorb2
thf(fact_703_subset__UnE,axiom,
    ! [C4: set_Pr4934435412358123699_a_nat,A3: set_Pr4934435412358123699_a_nat,B4: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ C4 @ ( sup_su459911885395995103_a_nat @ A3 @ B4 ) )
     => ~ ! [A7: set_Pr4934435412358123699_a_nat] :
            ( ( ord_le8666007276011122963_a_nat @ A7 @ A3 )
           => ! [B8: set_Pr4934435412358123699_a_nat] :
                ( ( ord_le8666007276011122963_a_nat @ B8 @ B4 )
               => ( C4
                 != ( sup_su459911885395995103_a_nat @ A7 @ B8 ) ) ) ) ) ).

% subset_UnE
thf(fact_704_subset__Un__eq,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A6: set_Pr4934435412358123699_a_nat,B6: set_Pr4934435412358123699_a_nat] :
          ( ( sup_su459911885395995103_a_nat @ A6 @ B6 )
          = B6 ) ) ) ).

% subset_Un_eq
thf(fact_705_in__rtrancl__UnI,axiom,
    ! [X: produc357393685978478089rm_a_b,R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( ( member5869715511025134514rm_a_b @ X @ ( transi7742714808557438673rm_a_b @ R2 ) )
        | ( member5869715511025134514rm_a_b @ X @ ( transi7742714808557438673rm_a_b @ S3 ) ) )
     => ( member5869715511025134514rm_a_b @ X @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R2 @ S3 ) ) ) ) ).

% in_rtrancl_UnI
thf(fact_706_rtrancl__Un__rtrancl,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( transi7742714808557438673rm_a_b @ S3 ) ) )
      = ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R2 @ S3 ) ) ) ).

% rtrancl_Un_rtrancl
thf(fact_707_rtrancl__Un__separatorE,axiom,
    ! [A: term_a_b,B: term_a_b,P2: set_Pr4386577575007340137rm_a_b,Q: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ P2 @ Q ) ) )
     => ( ! [X3: term_a_b,Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ X3 ) @ ( transi7742714808557438673rm_a_b @ P2 ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ Q )
             => ( X3 = Y2 ) ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ P2 ) ) ) ) ).

% rtrancl_Un_separatorE
thf(fact_708_rtrancl__Un__separator__converseE,axiom,
    ! [A: term_a_b,B: term_a_b,P2: set_Pr4386577575007340137rm_a_b,Q: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ P2 @ Q ) ) )
     => ( ! [X3: term_a_b,Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ B ) @ ( transi7742714808557438673rm_a_b @ P2 ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ X3 ) @ Q )
             => ( Y2 = X3 ) ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ P2 ) ) ) ) ).

% rtrancl_Un_separator_converseE
thf(fact_709_rtrancl__Un__subset,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] : ( ord_le118470702582115849rm_a_b @ ( sup_su6776935440552674877rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( transi7742714808557438673rm_a_b @ S3 ) ) @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R2 @ S3 ) ) ) ).

% rtrancl_Un_subset
thf(fact_710_rtrancl__union__subset__rtrancl__union__trancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R3 @ ( transi7922773638565587891rm_a_b @ S ) ) )
      = ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R3 @ S ) ) ) ).

% rtrancl_union_subset_rtrancl_union_trancl
thf(fact_711_trancl__union__right,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] : ( ord_le118470702582115849rm_a_b @ ( transi7922773638565587891rm_a_b @ R3 ) @ ( transi7922773638565587891rm_a_b @ ( sup_su6776935440552674877rm_a_b @ S @ R3 ) ) ) ).

% trancl_union_right
thf(fact_712_trancl__unfold,axiom,
    ( transi7922773638565587891rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b] : ( sup_su6776935440552674877rm_a_b @ R4 @ ( relcom370159955682700863rm_a_b @ ( transi7922773638565587891rm_a_b @ R4 ) @ R4 ) ) ) ) ).

% trancl_unfold
thf(fact_713_firstStep,axiom,
    ! [L5: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b,R2: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( L5
        = ( sup_su6776935440552674877rm_a_b @ S3 @ R2 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ L5 ) )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
          | ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( relcom370159955682700863rm_a_b @ S3 @ ( transi7742714808557438673rm_a_b @ L5 ) ) ) ) ) ) ) ).

% firstStep
thf(fact_714_first__step,axiom,
    ! [C4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b,Z2: term_a_b] :
      ( ( C4
        = ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ C4 ) )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ B4 )
         => ? [Y2: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ A3 ) @ B4 ) ) ) ) ) ).

% first_step
thf(fact_715_first__step__O,axiom,
    ! [C4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b,B4: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( C4
        = ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ C4 ) @ B4 ) )
       => ? [Y2: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ A3 ) @ B4 ) ) ) ) ).

% first_step_O
thf(fact_716_right__comp__S,axiom,
    ! [X: term_a_b,Y: term_a_b,S3: set_Pr4386577575007340137rm_a_b,NS: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( relcom370159955682700863rm_a_b @ S3 @ ( sup_su6776935440552674877rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ S3 ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( relcom370159955682700863rm_a_b @ S3 @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ S3 ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) ) ) ).

% right_comp_S
thf(fact_717_rtrancl__U__push,axiom,
    ! [S3: set_Pr4386577575007340137rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ R2 ) @ ( relcom370159955682700863rm_a_b @ R2 @ ( transi7742714808557438673rm_a_b @ S3 ) ) )
     => ( ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ S3 @ R2 ) )
        = ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ ( transi7742714808557438673rm_a_b @ S3 ) ) ) ) ).

% rtrancl_U_push
thf(fact_718_compatible__conv,axiom,
    ! [NS: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ NS @ S3 ) @ S3 )
     => ( ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ NS @ S3 ) ) @ ( relcom370159955682700863rm_a_b @ S3 @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ NS @ S3 ) ) ) )
        = ( relcom370159955682700863rm_a_b @ S3 @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ S3 ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) ) ) ).

% compatible_conv
thf(fact_719_compatible__rtrancl__split,axiom,
    ! [NS: set_Pr4386577575007340137rm_a_b,S3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ NS @ S3 ) @ S3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ NS @ S3 ) ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( sup_su6776935440552674877rm_a_b @ ( relcom370159955682700863rm_a_b @ S3 @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ S3 ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) @ ( transi7742714808557438673rm_a_b @ NS ) ) ) ) ) ).

% compatible_rtrancl_split
thf(fact_720_WN__on__def,axiom,
    ( abstra4644735066934440262rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ? [B3: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ ( abstra2972651231392952684rm_a_b @ R4 ) ) ) ) ) ).

% WN_on_def
thf(fact_721_WN__onE,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A3: set_Pr4934435412358123699_a_nat,A: product_prod_a_nat] :
      ( ( abstra4582696096554303663_a_nat @ R3 @ A3 )
     => ( ( member5724188588386418708_a_nat @ A @ A3 )
       => ~ ! [B2: product_prod_a_nat] :
              ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B2 ) @ ( abstra3832961281062565333_a_nat @ R3 ) ) ) ) ).

% WN_onE
thf(fact_722_WN__onE,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A3: set_Pr4386577575007340137rm_a_b,A: produc357393685978478089rm_a_b] :
      ( ( abstra2721873542170697047rm_a_b @ R3 @ A3 )
     => ( ( member5869715511025134514rm_a_b @ A @ A3 )
       => ~ ! [B2: produc357393685978478089rm_a_b] :
              ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B2 ) @ ( abstra1496011390211842225rm_a_b @ R3 ) ) ) ) ).

% WN_onE
thf(fact_723_WN__onE,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A3: set_term_a_b,A: term_a_b] :
      ( ( abstra4644735066934440262rm_a_b @ R3 @ A3 )
     => ( ( member_term_a_b @ A @ A3 )
       => ~ ! [B2: term_a_b] :
              ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B2 ) @ ( abstra2972651231392952684rm_a_b @ R3 ) ) ) ) ).

% WN_onE
thf(fact_724_WN__onD,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A3: set_Pr4934435412358123699_a_nat,A: product_prod_a_nat] :
      ( ( abstra4582696096554303663_a_nat @ R3 @ A3 )
     => ( ( member5724188588386418708_a_nat @ A @ A3 )
       => ? [B2: product_prod_a_nat] : ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B2 ) @ ( abstra3832961281062565333_a_nat @ R3 ) ) ) ) ).

% WN_onD
thf(fact_725_WN__onD,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A3: set_Pr4386577575007340137rm_a_b,A: produc357393685978478089rm_a_b] :
      ( ( abstra2721873542170697047rm_a_b @ R3 @ A3 )
     => ( ( member5869715511025134514rm_a_b @ A @ A3 )
       => ? [B2: produc357393685978478089rm_a_b] : ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B2 ) @ ( abstra1496011390211842225rm_a_b @ R3 ) ) ) ) ).

% WN_onD
thf(fact_726_WN__onD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A3: set_term_a_b,A: term_a_b] :
      ( ( abstra4644735066934440262rm_a_b @ R3 @ A3 )
     => ( ( member_term_a_b @ A @ A3 )
       => ? [B2: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B2 ) @ ( abstra2972651231392952684rm_a_b @ R3 ) ) ) ) ).

% WN_onD
thf(fact_727_UNF__onD,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A3: set_Pr4934435412358123699_a_nat,A: product_prod_a_nat,B: product_prod_a_nat,C: product_prod_a_nat] :
      ( ( abstra7833083522531381839_a_nat @ R3 @ A3 )
     => ( ( member5724188588386418708_a_nat @ A @ A3 )
       => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( abstra3832961281062565333_a_nat @ R3 ) )
         => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( abstra3832961281062565333_a_nat @ R3 ) )
           => ( B = C ) ) ) ) ) ).

% UNF_onD
thf(fact_728_UNF__onD,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A3: set_Pr4386577575007340137rm_a_b,A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( abstra1303798319023342519rm_a_b @ R3 @ A3 )
     => ( ( member5869715511025134514rm_a_b @ A @ A3 )
       => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( abstra1496011390211842225rm_a_b @ R3 ) )
         => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( abstra1496011390211842225rm_a_b @ R3 ) )
           => ( B = C ) ) ) ) ) ).

% UNF_onD
thf(fact_729_UNF__onD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A3: set_term_a_b,A: term_a_b,B: term_a_b,C: term_a_b] :
      ( ( abstra3619855735679963878rm_a_b @ R3 @ A3 )
     => ( ( member_term_a_b @ A @ A3 )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( abstra2972651231392952684rm_a_b @ R3 ) )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( abstra2972651231392952684rm_a_b @ R3 ) )
           => ( B = C ) ) ) ) ) ).

% UNF_onD
thf(fact_730_UNF__onE,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A3: set_Pr4934435412358123699_a_nat,A: product_prod_a_nat,B: product_prod_a_nat,C: product_prod_a_nat] :
      ( ( abstra7833083522531381839_a_nat @ R3 @ A3 )
     => ( ( member5724188588386418708_a_nat @ A @ A3 )
       => ( ( B != C )
         => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( abstra3832961281062565333_a_nat @ R3 ) )
           => ~ ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( abstra3832961281062565333_a_nat @ R3 ) ) ) ) ) ) ).

% UNF_onE
thf(fact_731_UNF__onE,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A3: set_Pr4386577575007340137rm_a_b,A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( abstra1303798319023342519rm_a_b @ R3 @ A3 )
     => ( ( member5869715511025134514rm_a_b @ A @ A3 )
       => ( ( B != C )
         => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( abstra1496011390211842225rm_a_b @ R3 ) )
           => ~ ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( abstra1496011390211842225rm_a_b @ R3 ) ) ) ) ) ) ).

% UNF_onE
thf(fact_732_UNF__onE,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A3: set_term_a_b,A: term_a_b,B: term_a_b,C: term_a_b] :
      ( ( abstra3619855735679963878rm_a_b @ R3 @ A3 )
     => ( ( member_term_a_b @ A @ A3 )
       => ( ( B != C )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( abstra2972651231392952684rm_a_b @ R3 ) )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( abstra2972651231392952684rm_a_b @ R3 ) ) ) ) ) ) ).

% UNF_onE
thf(fact_733_UNF__on__def,axiom,
    ( abstra3619855735679963878rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ! [B3: term_a_b,C2: term_a_b] :
              ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ ( abstra2972651231392952684rm_a_b @ R4 ) )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ C2 ) @ ( abstra2972651231392952684rm_a_b @ R4 ) ) )
             => ( B3 = C2 ) ) ) ) ) ).

% UNF_on_def
thf(fact_734_sup_Obounded__iff,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ B @ C ) @ A )
      = ( ( ord_le8666007276011122963_a_nat @ B @ A )
        & ( ord_le8666007276011122963_a_nat @ C @ A ) ) ) ).

% sup.bounded_iff
thf(fact_735_sup_Obounded__iff,axiom,
    ! [B: nat,C: nat,A: nat] :
      ( ( ord_less_eq_nat @ ( sup_sup_nat @ B @ C ) @ A )
      = ( ( ord_less_eq_nat @ B @ A )
        & ( ord_less_eq_nat @ C @ A ) ) ) ).

% sup.bounded_iff
thf(fact_736_le__sup__iff,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat,Z2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ X @ Y ) @ Z2 )
      = ( ( ord_le8666007276011122963_a_nat @ X @ Z2 )
        & ( ord_le8666007276011122963_a_nat @ Y @ Z2 ) ) ) ).

% le_sup_iff
thf(fact_737_le__sup__iff,axiom,
    ! [X: nat,Y: nat,Z2: nat] :
      ( ( ord_less_eq_nat @ ( sup_sup_nat @ X @ Y ) @ Z2 )
      = ( ( ord_less_eq_nat @ X @ Z2 )
        & ( ord_less_eq_nat @ Y @ Z2 ) ) ) ).

% le_sup_iff
thf(fact_738_set__union,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( set_term_a_b2 @ ( union_term_a_b @ Xs @ Ys ) )
      = ( sup_sup_set_term_a_b @ ( set_term_a_b2 @ Xs ) @ ( set_term_a_b2 @ Ys ) ) ) ).

% set_union
thf(fact_739_quasi__commute__def,axiom,
    ( abstra4317384144805385751rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,S6: set_Pr4386577575007340137rm_a_b] : ( ord_le118470702582115849rm_a_b @ ( relcom370159955682700863rm_a_b @ S6 @ R4 ) @ ( relcom370159955682700863rm_a_b @ R4 @ ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R4 @ S6 ) ) ) ) ) ) ).

% quasi_commute_def
thf(fact_740_set__list__union,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( set_term_a_b2 @ ( missin4887234603271916558rm_a_b @ Xs @ Ys ) )
      = ( sup_sup_set_term_a_b @ ( set_term_a_b2 @ Xs ) @ ( set_term_a_b2 @ Ys ) ) ) ).

% set_list_union
thf(fact_741_qc__imp__qc__trancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,S: set_Pr4386577575007340137rm_a_b] :
      ( ( abstra4317384144805385751rm_a_b @ R3 @ S )
     => ( abstra4317384144805385751rm_a_b @ R3 @ ( transi7922773638565587891rm_a_b @ S ) ) ) ).

% qc_imp_qc_trancl
thf(fact_742_sup_OcoboundedI2,axiom,
    ! [C: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ C @ B )
     => ( ord_le8666007276011122963_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ).

% sup.coboundedI2
thf(fact_743_sup_OcoboundedI2,axiom,
    ! [C: nat,B: nat,A: nat] :
      ( ( ord_less_eq_nat @ C @ B )
     => ( ord_less_eq_nat @ C @ ( sup_sup_nat @ A @ B ) ) ) ).

% sup.coboundedI2
thf(fact_744_sup_OcoboundedI1,axiom,
    ! [C: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ C @ A )
     => ( ord_le8666007276011122963_a_nat @ C @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ).

% sup.coboundedI1
thf(fact_745_sup_OcoboundedI1,axiom,
    ! [C: nat,A: nat,B: nat] :
      ( ( ord_less_eq_nat @ C @ A )
     => ( ord_less_eq_nat @ C @ ( sup_sup_nat @ A @ B ) ) ) ).

% sup.coboundedI1
thf(fact_746_sup_Oabsorb__iff2,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [A4: set_Pr4934435412358123699_a_nat,B3: set_Pr4934435412358123699_a_nat] :
          ( ( sup_su459911885395995103_a_nat @ A4 @ B3 )
          = B3 ) ) ) ).

% sup.absorb_iff2
thf(fact_747_sup_Oabsorb__iff2,axiom,
    ( ord_less_eq_nat
    = ( ^ [A4: nat,B3: nat] :
          ( ( sup_sup_nat @ A4 @ B3 )
          = B3 ) ) ) ).

% sup.absorb_iff2
thf(fact_748_sup_Oabsorb__iff1,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [B3: set_Pr4934435412358123699_a_nat,A4: set_Pr4934435412358123699_a_nat] :
          ( ( sup_su459911885395995103_a_nat @ A4 @ B3 )
          = A4 ) ) ) ).

% sup.absorb_iff1
thf(fact_749_sup_Oabsorb__iff1,axiom,
    ( ord_less_eq_nat
    = ( ^ [B3: nat,A4: nat] :
          ( ( sup_sup_nat @ A4 @ B3 )
          = A4 ) ) ) ).

% sup.absorb_iff1
thf(fact_750_sup_Ocobounded2,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ B @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ).

% sup.cobounded2
thf(fact_751_sup_Ocobounded2,axiom,
    ! [B: nat,A: nat] : ( ord_less_eq_nat @ B @ ( sup_sup_nat @ A @ B ) ) ).

% sup.cobounded2
thf(fact_752_sup_Ocobounded1,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ).

% sup.cobounded1
thf(fact_753_sup_Ocobounded1,axiom,
    ! [A: nat,B: nat] : ( ord_less_eq_nat @ A @ ( sup_sup_nat @ A @ B ) ) ).

% sup.cobounded1
thf(fact_754_sup_Oorder__iff,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [B3: set_Pr4934435412358123699_a_nat,A4: set_Pr4934435412358123699_a_nat] :
          ( A4
          = ( sup_su459911885395995103_a_nat @ A4 @ B3 ) ) ) ) ).

% sup.order_iff
thf(fact_755_sup_Oorder__iff,axiom,
    ( ord_less_eq_nat
    = ( ^ [B3: nat,A4: nat] :
          ( A4
          = ( sup_sup_nat @ A4 @ B3 ) ) ) ) ).

% sup.order_iff
thf(fact_756_sup_OboundedI,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( ( ord_le8666007276011122963_a_nat @ C @ A )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ B @ C ) @ A ) ) ) ).

% sup.boundedI
thf(fact_757_sup_OboundedI,axiom,
    ! [B: nat,A: nat,C: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( ( ord_less_eq_nat @ C @ A )
       => ( ord_less_eq_nat @ ( sup_sup_nat @ B @ C ) @ A ) ) ) ).

% sup.boundedI
thf(fact_758_sup_OboundedE,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ B @ C ) @ A )
     => ~ ( ( ord_le8666007276011122963_a_nat @ B @ A )
         => ~ ( ord_le8666007276011122963_a_nat @ C @ A ) ) ) ).

% sup.boundedE
thf(fact_759_sup_OboundedE,axiom,
    ! [B: nat,C: nat,A: nat] :
      ( ( ord_less_eq_nat @ ( sup_sup_nat @ B @ C ) @ A )
     => ~ ( ( ord_less_eq_nat @ B @ A )
         => ~ ( ord_less_eq_nat @ C @ A ) ) ) ).

% sup.boundedE
thf(fact_760_sup__absorb2,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ Y )
     => ( ( sup_su459911885395995103_a_nat @ X @ Y )
        = Y ) ) ).

% sup_absorb2
thf(fact_761_sup__absorb2,axiom,
    ! [X: nat,Y: nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( sup_sup_nat @ X @ Y )
        = Y ) ) ).

% sup_absorb2
thf(fact_762_sup__absorb1,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ Y @ X )
     => ( ( sup_su459911885395995103_a_nat @ X @ Y )
        = X ) ) ).

% sup_absorb1
thf(fact_763_sup__absorb1,axiom,
    ! [Y: nat,X: nat] :
      ( ( ord_less_eq_nat @ Y @ X )
     => ( ( sup_sup_nat @ X @ Y )
        = X ) ) ).

% sup_absorb1
thf(fact_764_sup_Oabsorb2,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ B )
     => ( ( sup_su459911885395995103_a_nat @ A @ B )
        = B ) ) ).

% sup.absorb2
thf(fact_765_sup_Oabsorb2,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_eq_nat @ A @ B )
     => ( ( sup_sup_nat @ A @ B )
        = B ) ) ).

% sup.absorb2
thf(fact_766_sup_Oabsorb1,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( ( sup_su459911885395995103_a_nat @ A @ B )
        = A ) ) ).

% sup.absorb1
thf(fact_767_sup_Oabsorb1,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( ( sup_sup_nat @ A @ B )
        = A ) ) ).

% sup.absorb1
thf(fact_768_sup__unique,axiom,
    ! [F3: set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat > set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] :
      ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ X3 @ ( F3 @ X3 @ Y2 ) )
     => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ Y2 @ ( F3 @ X3 @ Y2 ) )
       => ( ! [X3: set_Pr4934435412358123699_a_nat,Y2: set_Pr4934435412358123699_a_nat,Z: set_Pr4934435412358123699_a_nat] :
              ( ( ord_le8666007276011122963_a_nat @ Y2 @ X3 )
             => ( ( ord_le8666007276011122963_a_nat @ Z @ X3 )
               => ( ord_le8666007276011122963_a_nat @ ( F3 @ Y2 @ Z ) @ X3 ) ) )
         => ( ( sup_su459911885395995103_a_nat @ X @ Y )
            = ( F3 @ X @ Y ) ) ) ) ) ).

% sup_unique
thf(fact_769_sup__unique,axiom,
    ! [F3: nat > nat > nat,X: nat,Y: nat] :
      ( ! [X3: nat,Y2: nat] : ( ord_less_eq_nat @ X3 @ ( F3 @ X3 @ Y2 ) )
     => ( ! [X3: nat,Y2: nat] : ( ord_less_eq_nat @ Y2 @ ( F3 @ X3 @ Y2 ) )
       => ( ! [X3: nat,Y2: nat,Z: nat] :
              ( ( ord_less_eq_nat @ Y2 @ X3 )
             => ( ( ord_less_eq_nat @ Z @ X3 )
               => ( ord_less_eq_nat @ ( F3 @ Y2 @ Z ) @ X3 ) ) )
         => ( ( sup_sup_nat @ X @ Y )
            = ( F3 @ X @ Y ) ) ) ) ) ).

% sup_unique
thf(fact_770_sup_OorderI,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( A
        = ( sup_su459911885395995103_a_nat @ A @ B ) )
     => ( ord_le8666007276011122963_a_nat @ B @ A ) ) ).

% sup.orderI
thf(fact_771_sup_OorderI,axiom,
    ! [A: nat,B: nat] :
      ( ( A
        = ( sup_sup_nat @ A @ B ) )
     => ( ord_less_eq_nat @ B @ A ) ) ).

% sup.orderI
thf(fact_772_sup_OorderE,axiom,
    ! [B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ B @ A )
     => ( A
        = ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ).

% sup.orderE
thf(fact_773_sup_OorderE,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_eq_nat @ B @ A )
     => ( A
        = ( sup_sup_nat @ A @ B ) ) ) ).

% sup.orderE
thf(fact_774_le__iff__sup,axiom,
    ( ord_le8666007276011122963_a_nat
    = ( ^ [X2: set_Pr4934435412358123699_a_nat,Y4: set_Pr4934435412358123699_a_nat] :
          ( ( sup_su459911885395995103_a_nat @ X2 @ Y4 )
          = Y4 ) ) ) ).

% le_iff_sup
thf(fact_775_le__iff__sup,axiom,
    ( ord_less_eq_nat
    = ( ^ [X2: nat,Y4: nat] :
          ( ( sup_sup_nat @ X2 @ Y4 )
          = Y4 ) ) ) ).

% le_iff_sup
thf(fact_776_sup__least,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat,Z2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ Y @ X )
     => ( ( ord_le8666007276011122963_a_nat @ Z2 @ X )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ Y @ Z2 ) @ X ) ) ) ).

% sup_least
thf(fact_777_sup__least,axiom,
    ! [Y: nat,X: nat,Z2: nat] :
      ( ( ord_less_eq_nat @ Y @ X )
     => ( ( ord_less_eq_nat @ Z2 @ X )
       => ( ord_less_eq_nat @ ( sup_sup_nat @ Y @ Z2 ) @ X ) ) ) ).

% sup_least
thf(fact_778_sup__mono,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,C: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,D3: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ C )
     => ( ( ord_le8666007276011122963_a_nat @ B @ D3 )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A @ B ) @ ( sup_su459911885395995103_a_nat @ C @ D3 ) ) ) ) ).

% sup_mono
thf(fact_779_sup__mono,axiom,
    ! [A: nat,C: nat,B: nat,D3: nat] :
      ( ( ord_less_eq_nat @ A @ C )
     => ( ( ord_less_eq_nat @ B @ D3 )
       => ( ord_less_eq_nat @ ( sup_sup_nat @ A @ B ) @ ( sup_sup_nat @ C @ D3 ) ) ) ) ).

% sup_mono
thf(fact_780_sup_Omono,axiom,
    ! [C: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,D3: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ C @ A )
     => ( ( ord_le8666007276011122963_a_nat @ D3 @ B )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ C @ D3 ) @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ) ).

% sup.mono
thf(fact_781_sup_Omono,axiom,
    ! [C: nat,A: nat,D3: nat,B: nat] :
      ( ( ord_less_eq_nat @ C @ A )
     => ( ( ord_less_eq_nat @ D3 @ B )
       => ( ord_less_eq_nat @ ( sup_sup_nat @ C @ D3 ) @ ( sup_sup_nat @ A @ B ) ) ) ) ).

% sup.mono
thf(fact_782_le__supI2,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ B )
     => ( ord_le8666007276011122963_a_nat @ X @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ).

% le_supI2
thf(fact_783_le__supI2,axiom,
    ! [X: nat,B: nat,A: nat] :
      ( ( ord_less_eq_nat @ X @ B )
     => ( ord_less_eq_nat @ X @ ( sup_sup_nat @ A @ B ) ) ) ).

% le_supI2
thf(fact_784_le__supI1,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ X @ A )
     => ( ord_le8666007276011122963_a_nat @ X @ ( sup_su459911885395995103_a_nat @ A @ B ) ) ) ).

% le_supI1
thf(fact_785_le__supI1,axiom,
    ! [X: nat,A: nat,B: nat] :
      ( ( ord_less_eq_nat @ X @ A )
     => ( ord_less_eq_nat @ X @ ( sup_sup_nat @ A @ B ) ) ) ).

% le_supI1
thf(fact_786_sup__ge2,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ Y @ ( sup_su459911885395995103_a_nat @ X @ Y ) ) ).

% sup_ge2
thf(fact_787_sup__ge2,axiom,
    ! [Y: nat,X: nat] : ( ord_less_eq_nat @ Y @ ( sup_sup_nat @ X @ Y ) ) ).

% sup_ge2
thf(fact_788_sup__ge1,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ X @ ( sup_su459911885395995103_a_nat @ X @ Y ) ) ).

% sup_ge1
thf(fact_789_sup__ge1,axiom,
    ! [X: nat,Y: nat] : ( ord_less_eq_nat @ X @ ( sup_sup_nat @ X @ Y ) ) ).

% sup_ge1
thf(fact_790_le__supI,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ X )
     => ( ( ord_le8666007276011122963_a_nat @ B @ X )
       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A @ B ) @ X ) ) ) ).

% le_supI
thf(fact_791_le__supI,axiom,
    ! [A: nat,X: nat,B: nat] :
      ( ( ord_less_eq_nat @ A @ X )
     => ( ( ord_less_eq_nat @ B @ X )
       => ( ord_less_eq_nat @ ( sup_sup_nat @ A @ B ) @ X ) ) ) ).

% le_supI
thf(fact_792_le__supE,axiom,
    ! [A: set_Pr4934435412358123699_a_nat,B: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ A @ B ) @ X )
     => ~ ( ( ord_le8666007276011122963_a_nat @ A @ X )
         => ~ ( ord_le8666007276011122963_a_nat @ B @ X ) ) ) ).

% le_supE
thf(fact_793_le__supE,axiom,
    ! [A: nat,B: nat,X: nat] :
      ( ( ord_less_eq_nat @ ( sup_sup_nat @ A @ B ) @ X )
     => ~ ( ( ord_less_eq_nat @ A @ X )
         => ~ ( ord_less_eq_nat @ B @ X ) ) ) ).

% le_supE
thf(fact_794_inf__sup__ord_I3_J,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Y: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ X @ ( sup_su459911885395995103_a_nat @ X @ Y ) ) ).

% inf_sup_ord(3)
thf(fact_795_inf__sup__ord_I3_J,axiom,
    ! [X: nat,Y: nat] : ( ord_less_eq_nat @ X @ ( sup_sup_nat @ X @ Y ) ) ).

% inf_sup_ord(3)
thf(fact_796_inf__sup__ord_I4_J,axiom,
    ! [Y: set_Pr4934435412358123699_a_nat,X: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ Y @ ( sup_su459911885395995103_a_nat @ X @ Y ) ) ).

% inf_sup_ord(4)
thf(fact_797_inf__sup__ord_I4_J,axiom,
    ! [Y: nat,X: nat] : ( ord_less_eq_nat @ Y @ ( sup_sup_nat @ X @ Y ) ) ).

% inf_sup_ord(4)
thf(fact_798_less__supI1,axiom,
    ! [X: nat,A: nat,B: nat] :
      ( ( ord_less_nat @ X @ A )
     => ( ord_less_nat @ X @ ( sup_sup_nat @ A @ B ) ) ) ).

% less_supI1
thf(fact_799_less__supI2,axiom,
    ! [X: nat,B: nat,A: nat] :
      ( ( ord_less_nat @ X @ B )
     => ( ord_less_nat @ X @ ( sup_sup_nat @ A @ B ) ) ) ).

% less_supI2
thf(fact_800_sup_Oabsorb3,axiom,
    ! [B: nat,A: nat] :
      ( ( ord_less_nat @ B @ A )
     => ( ( sup_sup_nat @ A @ B )
        = A ) ) ).

% sup.absorb3
thf(fact_801_sup_Oabsorb4,axiom,
    ! [A: nat,B: nat] :
      ( ( ord_less_nat @ A @ B )
     => ( ( sup_sup_nat @ A @ B )
        = B ) ) ).

% sup.absorb4
thf(fact_802_sup_Ostrict__boundedE,axiom,
    ! [B: nat,C: nat,A: nat] :
      ( ( ord_less_nat @ ( sup_sup_nat @ B @ C ) @ A )
     => ~ ( ( ord_less_nat @ B @ A )
         => ~ ( ord_less_nat @ C @ A ) ) ) ).

% sup.strict_boundedE
thf(fact_803_sup_Ostrict__order__iff,axiom,
    ( ord_less_nat
    = ( ^ [B3: nat,A4: nat] :
          ( ( A4
            = ( sup_sup_nat @ A4 @ B3 ) )
          & ( A4 != B3 ) ) ) ) ).

% sup.strict_order_iff
thf(fact_804_sup_Ostrict__coboundedI1,axiom,
    ! [C: nat,A: nat,B: nat] :
      ( ( ord_less_nat @ C @ A )
     => ( ord_less_nat @ C @ ( sup_sup_nat @ A @ B ) ) ) ).

% sup.strict_coboundedI1
thf(fact_805_sup_Ostrict__coboundedI2,axiom,
    ! [C: nat,B: nat,A: nat] :
      ( ( ord_less_nat @ C @ B )
     => ( ord_less_nat @ C @ ( sup_sup_nat @ A @ B ) ) ) ).

% sup.strict_coboundedI2
thf(fact_806_all__ctxt__closed__def,axiom,
    ( terms_5226143800768910156ed_a_b
    = ( ^ [F7: set_Pr4934435412358123699_a_nat,R4: set_Pr4386577575007340137rm_a_b] :
          ( ! [F6: a,Ts3: list_term_a_b,Ss3: list_term_a_b] :
              ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F6 @ ( size_s8906293707977694520rm_a_b @ Ss3 ) ) @ F7 )
             => ( ( ( size_s8906293707977694520rm_a_b @ Ts3 )
                  = ( size_s8906293707977694520rm_a_b @ Ss3 ) )
               => ( ! [I2: nat] :
                      ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Ts3 ) )
                     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Ts3 @ I2 ) @ ( nth_term_a_b @ Ss3 @ I2 ) ) @ R4 ) )
                 => ( ! [I2: nat] :
                        ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Ts3 ) )
                       => ( ord_le8666007276011122963_a_nat @ ( sup_su459911885395995103_a_nat @ ( term_funas_term_a_b @ ( nth_term_a_b @ Ts3 @ I2 ) ) @ ( term_funas_term_a_b @ ( nth_term_a_b @ Ss3 @ I2 ) ) ) @ F7 ) )
                   => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ F6 @ Ts3 ) @ ( fun_a_b @ F6 @ Ss3 ) ) @ R4 ) ) ) ) )
          & ! [X2: b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( var_b_a @ X2 ) @ ( var_b_a @ X2 ) ) @ R4 ) ) ) ) ).

% all_ctxt_closed_def
thf(fact_807_sig__step__rsteps__eq__dist,axiom,
    ! [R: set_Pr4386577575007340137rm_a_b,F2: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( terms_7988297476397195622_a_b_b @ R ) @ F2 )
     => ( ( sup_su6776935440552674877rm_a_b @ ( sig_step_a_b @ F2 @ ( transi7922773638565587891rm_a_b @ ( rstep_a_b @ R ) ) ) @ id_term_a_b )
        = ( transi7742714808557438673rm_a_b @ ( sig_step_a_b @ F2 @ ( rstep_a_b @ R ) ) ) ) ) ).

% sig_step_rsteps_eq_dist
thf(fact_808_NFP__stepD,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A: product_prod_a_nat,B: product_prod_a_nat,C: product_prod_a_nat] :
      ( ( rewrit1859573128460188229_a_nat @ R3 @ top_to3353692345378799459_a_nat )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) )
         => ( ( member5724188588386418708_a_nat @ C @ ( abstra2685462378305987313_a_nat @ R3 ) )
           => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ B @ C ) @ ( transi2726145917338391738_a_nat @ R3 ) ) ) ) ) ) ).

% NFP_stepD
thf(fact_809_NFP__stepD,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b,C: produc357393685978478089rm_a_b] :
      ( ( rewrit2138790387785322561rm_a_b @ R3 @ top_to1314267278846557113rm_a_b )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
         => ( ( member5869715511025134514rm_a_b @ C @ ( abstra1902783451776770197rm_a_b @ R3 ) )
           => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ B @ C ) @ ( transi2615809358984392588rm_a_b @ R3 ) ) ) ) ) ) ).

% NFP_stepD
thf(fact_810_NFP__stepD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A: term_a_b,B: term_a_b,C: term_a_b] :
      ( ( rewrit6304709981509430748rm_a_b @ R3 @ top_top_set_term_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
         => ( ( member_term_a_b @ C @ ( abstract_NF_term_a_b @ R3 ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ) ) ).

% NFP_stepD
thf(fact_811_set__swap,axiom,
    ! [I4: nat,Xs: list_term_a_b,J: nat] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( ord_less_nat @ J @ ( size_s8906293707977694520rm_a_b @ Xs ) )
       => ( ( set_term_a_b2 @ ( list_update_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ ( nth_term_a_b @ Xs @ J ) ) @ J @ ( nth_term_a_b @ Xs @ I4 ) ) )
          = ( set_term_a_b2 @ Xs ) ) ) ) ).

% set_swap
thf(fact_812_term_Ocollapse_I2_J,axiom,
    ! [Term: term_a_b] :
      ( ~ ( is_Var_a_b @ Term )
     => ( ( fun_a_b @ ( un_Fun1_a_b @ Term ) @ ( args_a_b @ Term ) )
        = Term ) ) ).

% term.collapse(2)
thf(fact_813_UNIV__I,axiom,
    ! [X: product_prod_a_nat] : ( member5724188588386418708_a_nat @ X @ top_to3353692345378799459_a_nat ) ).

% UNIV_I
thf(fact_814_UNIV__I,axiom,
    ! [X: produc357393685978478089rm_a_b] : ( member5869715511025134514rm_a_b @ X @ top_to1314267278846557113rm_a_b ) ).

% UNIV_I
thf(fact_815_UNIV__I,axiom,
    ! [X: term_a_b] : ( member_term_a_b @ X @ top_top_set_term_a_b ) ).

% UNIV_I
thf(fact_816_IdI,axiom,
    ! [A: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ A ) @ id_term_a_b ) ).

% IdI
thf(fact_817_pair__in__Id__conv,axiom,
    ! [A: term_a_b,B: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ id_term_a_b )
      = ( A = B ) ) ).

% pair_in_Id_conv
thf(fact_818_length__list__update,axiom,
    ! [Xs: list_term_a_b,I4: nat,X: term_a_b] :
      ( ( size_s8906293707977694520rm_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) )
      = ( size_s8906293707977694520rm_a_b @ Xs ) ) ).

% length_list_update
thf(fact_819_list__update__beyond,axiom,
    ! [Xs: list_term_a_b,I4: nat,X: term_a_b] :
      ( ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) @ I4 )
     => ( ( list_update_term_a_b @ Xs @ I4 @ X )
        = Xs ) ) ).

% list_update_beyond
thf(fact_820_list__update__id,axiom,
    ! [Xs: list_term_a_b,I4: nat] :
      ( ( list_update_term_a_b @ Xs @ I4 @ ( nth_term_a_b @ Xs @ I4 ) )
      = Xs ) ).

% list_update_id
thf(fact_821_nth__list__update__neq,axiom,
    ! [I4: nat,J: nat,Xs: list_term_a_b,X: term_a_b] :
      ( ( I4 != J )
     => ( ( nth_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) @ J )
        = ( nth_term_a_b @ Xs @ J ) ) ) ).

% nth_list_update_neq
thf(fact_822_rtrancl__reflcl,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R2 @ id_term_a_b ) )
      = ( transi7742714808557438673rm_a_b @ R2 ) ) ).

% rtrancl_reflcl
thf(fact_823_rtrancl__reflcl__absorb,axiom,
    ! [R2: set_Pr4386577575007340137rm_a_b] :
      ( ( sup_su6776935440552674877rm_a_b @ ( transi7742714808557438673rm_a_b @ R2 ) @ id_term_a_b )
      = ( transi7742714808557438673rm_a_b @ R2 ) ) ).

% rtrancl_reflcl_absorb
thf(fact_824_nth__list__update__eq,axiom,
    ! [I4: nat,Xs: list_term_a_b,X: term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) @ I4 )
        = X ) ) ).

% nth_list_update_eq
thf(fact_825_trancl__reflcl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( transi7922773638565587891rm_a_b @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) )
      = ( transi7742714808557438673rm_a_b @ R3 ) ) ).

% trancl_reflcl
thf(fact_826_linear__term_Ocases,axiom,
    ! [X: term_a_b] :
      ( ! [Uu: b] :
          ( X
         != ( var_b_a @ Uu ) )
     => ~ ! [Uv: a,Ts: list_term_a_b] :
            ( X
           != ( fun_a_b @ Uv @ Ts ) ) ) ).

% linear_term.cases
thf(fact_827_term_Odistinct_I1_J,axiom,
    ! [X1: b,X21: a,X22: list_term_a_b] :
      ( ( var_b_a @ X1 )
     != ( fun_a_b @ X21 @ X22 ) ) ).

% term.distinct(1)
thf(fact_828_Term_Oterm_Oexhaust,axiom,
    ! [Y: term_a_b] :
      ( ! [X12: b] :
          ( Y
         != ( var_b_a @ X12 ) )
     => ~ ! [X212: a,X222: list_term_a_b] :
            ( Y
           != ( fun_a_b @ X212 @ X222 ) ) ) ).

% Term.term.exhaust
thf(fact_829_IdE,axiom,
    ! [P: produc357393685978478089rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ id_term_a_b )
     => ~ ! [X3: term_a_b] :
            ( P
           != ( produc7020197800436672577rm_a_b @ X3 @ X3 ) ) ) ).

% IdE
thf(fact_830_UNIV__witness,axiom,
    ? [X3: product_prod_a_nat] : ( member5724188588386418708_a_nat @ X3 @ top_to3353692345378799459_a_nat ) ).

% UNIV_witness
thf(fact_831_UNIV__witness,axiom,
    ? [X3: produc357393685978478089rm_a_b] : ( member5869715511025134514rm_a_b @ X3 @ top_to1314267278846557113rm_a_b ) ).

% UNIV_witness
thf(fact_832_UNIV__witness,axiom,
    ? [X3: term_a_b] : ( member_term_a_b @ X3 @ top_top_set_term_a_b ) ).

% UNIV_witness
thf(fact_833_UNIV__eq__I,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ! [X3: product_prod_a_nat] : ( member5724188588386418708_a_nat @ X3 @ A3 )
     => ( top_to3353692345378799459_a_nat = A3 ) ) ).

% UNIV_eq_I
thf(fact_834_UNIV__eq__I,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: produc357393685978478089rm_a_b] : ( member5869715511025134514rm_a_b @ X3 @ A3 )
     => ( top_to1314267278846557113rm_a_b = A3 ) ) ).

% UNIV_eq_I
thf(fact_835_UNIV__eq__I,axiom,
    ! [A3: set_term_a_b] :
      ( ! [X3: term_a_b] : ( member_term_a_b @ X3 @ A3 )
     => ( top_top_set_term_a_b = A3 ) ) ).

% UNIV_eq_I
thf(fact_836_top_Oextremum__uniqueI,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ top_to3353692345378799459_a_nat @ A )
     => ( A = top_to3353692345378799459_a_nat ) ) ).

% top.extremum_uniqueI
thf(fact_837_top_Oextremum__unique,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ top_to3353692345378799459_a_nat @ A )
      = ( A = top_to3353692345378799459_a_nat ) ) ).

% top.extremum_unique
thf(fact_838_top__greatest,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A @ top_to3353692345378799459_a_nat ) ).

% top_greatest
thf(fact_839_subset__UNIV,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ A3 @ top_to3353692345378799459_a_nat ) ).

% subset_UNIV
thf(fact_840_is__FunE,axiom,
    ! [T: term_a_b] :
      ( ~ ( is_Var_a_b @ T )
     => ~ ! [F: a,Ts: list_term_a_b] :
            ( T
           != ( fun_a_b @ F @ Ts ) ) ) ).

% is_FunE
thf(fact_841_term_OdiscI_I2_J,axiom,
    ! [Term: term_a_b,X21: a,X22: list_term_a_b] :
      ( ( Term
        = ( fun_a_b @ X21 @ X22 ) )
     => ~ ( is_Var_a_b @ Term ) ) ).

% term.discI(2)
thf(fact_842_term_Odisc_I2_J,axiom,
    ! [X21: a,X22: list_term_a_b] :
      ~ ( is_Var_a_b @ ( fun_a_b @ X21 @ X22 ) ) ).

% term.disc(2)
thf(fact_843_term__to__sig_Ocases,axiom,
    ! [X: produc5279506192219892694rm_a_b] :
      ( ! [F8: set_Pr4934435412358123699_a_nat,V2: b,X3: b] :
          ( X
         != ( produc8030969961714872974rm_a_b @ F8 @ ( produc1437816968797971900rm_a_b @ V2 @ ( var_b_a @ X3 ) ) ) )
     => ~ ! [F8: set_Pr4934435412358123699_a_nat,V2: b,F: a,Ts: list_term_a_b] :
            ( X
           != ( produc8030969961714872974rm_a_b @ F8 @ ( produc1437816968797971900rm_a_b @ V2 @ ( fun_a_b @ F @ Ts ) ) ) ) ) ).

% term_to_sig.cases
thf(fact_844_set__update__subsetI,axiom,
    ! [Xs: list_P8875379029341186191rm_a_b,A3: set_Pr4386577575007340137rm_a_b,X: produc357393685978478089rm_a_b,I4: nat] :
      ( ( ord_le118470702582115849rm_a_b @ ( set_Pr2370880052973118494rm_a_b @ Xs ) @ A3 )
     => ( ( member5869715511025134514rm_a_b @ X @ A3 )
       => ( ord_le118470702582115849rm_a_b @ ( set_Pr2370880052973118494rm_a_b @ ( list_u4211539095652206455rm_a_b @ Xs @ I4 @ X ) ) @ A3 ) ) ) ).

% set_update_subsetI
thf(fact_845_set__update__subsetI,axiom,
    ! [Xs: list_term_a_b,A3: set_term_a_b,X: term_a_b,I4: nat] :
      ( ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ Xs ) @ A3 )
     => ( ( member_term_a_b @ X @ A3 )
       => ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ ( list_update_term_a_b @ Xs @ I4 @ X ) ) @ A3 ) ) ) ).

% set_update_subsetI
thf(fact_846_set__update__subsetI,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,A3: set_Pr4934435412358123699_a_nat,X: product_prod_a_nat,I4: nat] :
      ( ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ Xs ) @ A3 )
     => ( ( member5724188588386418708_a_nat @ X @ A3 )
       => ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ ( list_u4318310736832020111_a_nat @ Xs @ I4 @ X ) ) @ A3 ) ) ) ).

% set_update_subsetI
thf(fact_847_set__update__memI,axiom,
    ! [N: nat,Xs: list_P3592885314253461005_a_nat,X: product_prod_a_nat] :
      ( ( ord_less_nat @ N @ ( size_s984997627204368545_a_nat @ Xs ) )
     => ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ ( list_u4318310736832020111_a_nat @ Xs @ N @ X ) ) ) ) ).

% set_update_memI
thf(fact_848_set__update__memI,axiom,
    ! [N: nat,Xs: list_P8875379029341186191rm_a_b,X: produc357393685978478089rm_a_b] :
      ( ( ord_less_nat @ N @ ( size_s8600120110137556219rm_a_b @ Xs ) )
     => ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ ( list_u4211539095652206455rm_a_b @ Xs @ N @ X ) ) ) ) ).

% set_update_memI
thf(fact_849_set__update__memI,axiom,
    ! [N: nat,Xs: list_term_a_b,X: term_a_b] :
      ( ( ord_less_nat @ N @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( member_term_a_b @ X @ ( set_term_a_b2 @ ( list_update_term_a_b @ Xs @ N @ X ) ) ) ) ).

% set_update_memI
thf(fact_850_nth__list__update,axiom,
    ! [I4: nat,Xs: list_term_a_b,J: nat,X: term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( ( I4 = J )
         => ( ( nth_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) @ J )
            = X ) )
        & ( ( I4 != J )
         => ( ( nth_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) @ J )
            = ( nth_term_a_b @ Xs @ J ) ) ) ) ) ).

% nth_list_update
thf(fact_851_list__update__same__conv,axiom,
    ! [I4: nat,Xs: list_term_a_b,X: term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( ( list_update_term_a_b @ Xs @ I4 @ X )
          = Xs )
        = ( ( nth_term_a_b @ Xs @ I4 )
          = X ) ) ) ).

% list_update_same_conv
thf(fact_852_parallel__list__update,axiom,
    ! [N: nat,R3: term_a_b > term_a_b > $o,P: list_term_a_b > $o,Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ! [Xs2: list_term_a_b,I3: nat,Y2: term_a_b] :
          ( ( ( size_s8906293707977694520rm_a_b @ Xs2 )
            = N )
         => ( ( ord_less_nat @ I3 @ N )
           => ( ( R3 @ ( nth_term_a_b @ Xs2 @ I3 ) @ Y2 )
             => ( ( P @ Xs2 )
               => ( P @ ( list_update_term_a_b @ Xs2 @ I3 @ Y2 ) ) ) ) ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Xs )
          = N )
       => ( ( P @ Xs )
         => ( ( ( size_s8906293707977694520rm_a_b @ Ys )
              = N )
           => ( ! [I3: nat] :
                  ( ( ord_less_nat @ I3 @ N )
                 => ( R3 @ ( nth_term_a_b @ Xs @ I3 ) @ ( nth_term_a_b @ Ys @ I3 ) ) )
             => ( P @ Ys ) ) ) ) ) ) ).

% parallel_list_update
thf(fact_853_rtrancl__unfold,axiom,
    ( transi7742714808557438673rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b] : ( sup_su6776935440552674877rm_a_b @ id_term_a_b @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ R4 ) @ R4 ) ) ) ) ).

% rtrancl_unfold
thf(fact_854_rtrancl__trancl__reflcl,axiom,
    ( transi7742714808557438673rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b] : ( sup_su6776935440552674877rm_a_b @ ( transi7922773638565587891rm_a_b @ R4 ) @ id_term_a_b ) ) ) ).

% rtrancl_trancl_reflcl
thf(fact_855_trancl__o__refl__is__trancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( relcom370159955682700863rm_a_b @ ( transi7922773638565587891rm_a_b @ R3 ) @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) )
      = ( transi7922773638565587891rm_a_b @ R3 ) ) ).

% trancl_o_refl_is_trancl
thf(fact_856_SCR__on__def,axiom,
    ( rewrit4966517460798004134rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ! [B3: term_a_b,C2: term_a_b] :
              ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ B3 ) @ R4 )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ C2 ) @ R4 ) )
             => ? [D4: term_a_b] :
                  ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B3 @ D4 ) @ ( sup_su6776935440552674877rm_a_b @ R4 @ id_term_a_b ) )
                  & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C2 @ D4 ) @ ( transi7742714808557438673rm_a_b @ R4 ) ) ) ) ) ) ) ).

% SCR_on_def
thf(fact_857_strongly__confluentI,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: term_a_b,Y2: term_a_b,Z: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Z ) @ R3 )
           => ? [U4: term_a_b] :
                ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ U4 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z @ U4 ) @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) ) ) ) )
     => ( abstra5664096641628173427rm_a_b @ R3 @ top_top_set_term_a_b ) ) ).

% strongly_confluentI
thf(fact_858_some__NF__UNF,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,X: product_prod_a_nat,Y: product_prod_a_nat] :
      ( ( abstra7833083522531381839_a_nat @ R3 @ top_to3353692345378799459_a_nat )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ ( transi2726145917338391738_a_nat @ R3 ) )
       => ( ( member5724188588386418708_a_nat @ Y @ ( abstra2685462378305987313_a_nat @ R3 ) )
         => ( Y
            = ( abstra5913684503434863653_a_nat @ R3 @ X ) ) ) ) ) ).

% some_NF_UNF
thf(fact_859_some__NF__UNF,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b] :
      ( ( abstra1303798319023342519rm_a_b @ R3 @ top_to1314267278846557113rm_a_b )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
       => ( ( member5869715511025134514rm_a_b @ Y @ ( abstra1902783451776770197rm_a_b @ R3 ) )
         => ( Y
            = ( abstra8203652949708803681rm_a_b @ R3 @ X ) ) ) ) ) ).

% some_NF_UNF
thf(fact_860_some__NF__UNF,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( abstra3619855735679963878rm_a_b @ R3 @ top_top_set_term_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
       => ( ( member_term_a_b @ Y @ ( abstract_NF_term_a_b @ R3 ) )
         => ( Y
            = ( abstra2589370493620291516rm_a_b @ R3 @ X ) ) ) ) ) ).

% some_NF_UNF
thf(fact_861_gterm__of__term_Ocases,axiom,
    ! [X: term_a_b] :
      ( ! [F: a,Ts: list_term_a_b] :
          ( X
         != ( fun_a_b @ F @ Ts ) )
     => ~ ! [V2: b] :
            ( X
           != ( var_b_a @ V2 ) ) ) ).

% gterm_of_term.cases
thf(fact_862_strongly__confluent__on__def,axiom,
    ( abstra5664096641628173427rm_a_b
    = ( ^ [R4: set_Pr4386577575007340137rm_a_b,A6: set_term_a_b] :
        ! [X2: term_a_b] :
          ( ( member_term_a_b @ X2 @ A6 )
         => ! [Y4: term_a_b,Z5: term_a_b] :
              ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ Y4 ) @ R4 )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ Z5 ) @ R4 ) )
             => ? [U3: term_a_b] :
                  ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y4 @ U3 ) @ ( transi7742714808557438673rm_a_b @ R4 ) )
                  & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z5 @ U3 ) @ ( sup_su6776935440552674877rm_a_b @ R4 @ id_term_a_b ) ) ) ) ) ) ) ).

% strongly_confluent_on_def
thf(fact_863_strongly__confluent__on__E11,axiom,
    ! [R3: set_Pr1811044260758604347_a_nat,A3: set_Pr4934435412358123699_a_nat,X: product_prod_a_nat,Y: product_prod_a_nat,Z2: product_prod_a_nat] :
      ( ( abstra5315942894939654492_a_nat @ R3 @ A3 )
     => ( ( member5724188588386418708_a_nat @ X @ A3 )
       => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ R3 )
         => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Z2 ) @ R3 )
           => ? [U2: product_prod_a_nat] :
                ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Y @ U2 ) @ ( transi2726145917338391738_a_nat @ R3 ) )
                & ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ Z2 @ U2 ) @ ( sup_su958340139570419215_a_nat @ R3 @ id_Pro5207055338379199009_a_nat ) ) ) ) ) ) ) ).

% strongly_confluent_on_E11
thf(fact_864_strongly__confluent__on__E11,axiom,
    ! [R3: set_Pr2972776593051762503rm_a_b,A3: set_Pr4386577575007340137rm_a_b,X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b,Z2: produc357393685978478089rm_a_b] :
      ( ( abstra837640964651051114rm_a_b @ R3 @ A3 )
     => ( ( member5869715511025134514rm_a_b @ X @ A3 )
       => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ R3 )
         => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Z2 ) @ R3 )
           => ? [U2: produc357393685978478089rm_a_b] :
                ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Y @ U2 ) @ ( transi2615809358984392588rm_a_b @ R3 ) )
                & ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ Z2 @ U2 ) @ ( sup_su1845815533690797339rm_a_b @ R3 @ id_Pro3488709451141449061rm_a_b ) ) ) ) ) ) ) ).

% strongly_confluent_on_E11
thf(fact_865_strongly__confluent__on__E11,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A3: set_term_a_b,X: term_a_b,Y: term_a_b,Z2: term_a_b] :
      ( ( abstra5664096641628173427rm_a_b @ R3 @ A3 )
     => ( ( member_term_a_b @ X @ A3 )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
         => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ R3 )
           => ? [U2: term_a_b] :
                ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ U2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
                & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z2 @ U2 ) @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) ) ) ) ) ) ) ).

% strongly_confluent_on_E11
thf(fact_866_funas__term_Ocases,axiom,
    ! [X: term_a_b] :
      ( ! [X3: b] :
          ( X
         != ( var_b_a @ X3 ) )
     => ~ ! [F: a,Ts: list_term_a_b] :
            ( X
           != ( fun_a_b @ F @ Ts ) ) ) ).

% funas_term.cases
thf(fact_867_term_Oexpand,axiom,
    ! [Term: term_a_b,Term2: term_a_b] :
      ( ( ( is_Var_a_b @ Term )
        = ( is_Var_a_b @ Term2 ) )
     => ( ( ( is_Var_a_b @ Term )
         => ( ( is_Var_a_b @ Term2 )
           => ( ( the_Var_a_b @ Term )
              = ( the_Var_a_b @ Term2 ) ) ) )
       => ( ( ~ ( is_Var_a_b @ Term )
           => ( ~ ( is_Var_a_b @ Term2 )
             => ( ( ( un_Fun1_a_b @ Term )
                  = ( un_Fun1_a_b @ Term2 ) )
                & ( ( args_a_b @ Term )
                  = ( args_a_b @ Term2 ) ) ) ) )
         => ( Term = Term2 ) ) ) ) ).

% term.expand
thf(fact_868_term_Oexhaust__sel,axiom,
    ! [Term: term_a_b] :
      ( ( Term
       != ( var_b_a @ ( the_Var_a_b @ Term ) ) )
     => ( Term
        = ( fun_a_b @ ( un_Fun1_a_b @ Term ) @ ( args_a_b @ Term ) ) ) ) ).

% term.exhaust_sel
thf(fact_869_IdD,axiom,
    ! [A: term_a_b,B: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ id_term_a_b )
     => ( A = B ) ) ).

% IdD
thf(fact_870_inf__pigeonhole__principle,axiom,
    ! [N: nat,F3: nat > nat > $o] :
      ( ! [K2: nat] :
        ? [I: nat] :
          ( ( ord_less_nat @ I @ N )
          & ( F3 @ K2 @ I ) )
     => ? [I3: nat] :
          ( ( ord_less_nat @ I3 @ N )
          & ! [K3: nat] :
            ? [K4: nat] :
              ( ( ord_less_eq_nat @ K3 @ K4 )
              & ( F3 @ K4 @ I3 ) ) ) ) ).

% inf_pigeonhole_principle
thf(fact_871_nat__descend__induct,axiom,
    ! [N: nat,P2: nat > $o,M2: nat] :
      ( ! [K2: nat] :
          ( ( ord_less_nat @ N @ K2 )
         => ( P2 @ K2 ) )
     => ( ! [K2: nat] :
            ( ( ord_less_eq_nat @ K2 @ N )
           => ( ! [I: nat] :
                  ( ( ord_less_nat @ K2 @ I )
                 => ( P2 @ I ) )
             => ( P2 @ K2 ) ) )
       => ( P2 @ M2 ) ) ) ).

% nat_descend_induct
thf(fact_872_nat__less__le,axiom,
    ( ord_less_nat
    = ( ^ [M: nat,N2: nat] :
          ( ( ord_less_eq_nat @ M @ N2 )
          & ( M != N2 ) ) ) ) ).

% nat_less_le
thf(fact_873_less__imp__le__nat,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( ord_less_eq_nat @ M2 @ N ) ) ).

% less_imp_le_nat
thf(fact_874_le__eq__less__or__eq,axiom,
    ( ord_less_eq_nat
    = ( ^ [M: nat,N2: nat] :
          ( ( ord_less_nat @ M @ N2 )
          | ( M = N2 ) ) ) ) ).

% le_eq_less_or_eq
thf(fact_875_less__or__eq__imp__le,axiom,
    ! [M2: nat,N: nat] :
      ( ( ( ord_less_nat @ M2 @ N )
        | ( M2 = N ) )
     => ( ord_less_eq_nat @ M2 @ N ) ) ).

% less_or_eq_imp_le
thf(fact_876_nat__neq__iff,axiom,
    ! [M2: nat,N: nat] :
      ( ( M2 != N )
      = ( ( ord_less_nat @ M2 @ N )
        | ( ord_less_nat @ N @ M2 ) ) ) ).

% nat_neq_iff
thf(fact_877_less__not__refl,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ N ) ).

% less_not_refl
thf(fact_878_less__not__refl2,axiom,
    ! [N: nat,M2: nat] :
      ( ( ord_less_nat @ N @ M2 )
     => ( M2 != N ) ) ).

% less_not_refl2
thf(fact_879_less__not__refl3,axiom,
    ! [S: nat,T: nat] :
      ( ( ord_less_nat @ S @ T )
     => ( S != T ) ) ).

% less_not_refl3
thf(fact_880_less__irrefl__nat,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ N ) ).

% less_irrefl_nat
thf(fact_881_nat__less__induct,axiom,
    ! [P2: nat > $o,N: nat] :
      ( ! [N3: nat] :
          ( ! [M3: nat] :
              ( ( ord_less_nat @ M3 @ N3 )
             => ( P2 @ M3 ) )
         => ( P2 @ N3 ) )
     => ( P2 @ N ) ) ).

% nat_less_induct
thf(fact_882_infinite__descent,axiom,
    ! [P2: nat > $o,N: nat] :
      ( ! [N3: nat] :
          ( ~ ( P2 @ N3 )
         => ? [M3: nat] :
              ( ( ord_less_nat @ M3 @ N3 )
              & ~ ( P2 @ M3 ) ) )
     => ( P2 @ N ) ) ).

% infinite_descent
thf(fact_883_linorder__neqE__nat,axiom,
    ! [X: nat,Y: nat] :
      ( ( X != Y )
     => ( ~ ( ord_less_nat @ X @ Y )
       => ( ord_less_nat @ Y @ X ) ) ) ).

% linorder_neqE_nat
thf(fact_884_size__neq__size__imp__neq,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b] :
      ( ( ( size_s8906293707977694520rm_a_b @ X )
       != ( size_s8906293707977694520rm_a_b @ Y ) )
     => ( X != Y ) ) ).

% size_neq_size_imp_neq
thf(fact_885_less__mono__imp__le__mono,axiom,
    ! [F3: nat > nat,I4: nat,J: nat] :
      ( ! [I3: nat,J2: nat] :
          ( ( ord_less_nat @ I3 @ J2 )
         => ( ord_less_nat @ ( F3 @ I3 ) @ ( F3 @ J2 ) ) )
     => ( ( ord_less_eq_nat @ I4 @ J )
       => ( ord_less_eq_nat @ ( F3 @ I4 ) @ ( F3 @ J ) ) ) ) ).

% less_mono_imp_le_mono
thf(fact_886_le__neq__implies__less,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_eq_nat @ M2 @ N )
     => ( ( M2 != N )
       => ( ord_less_nat @ M2 @ N ) ) ) ).

% le_neq_implies_less
thf(fact_887_strongly__confluent__E1n,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b,Z2: term_a_b,N: nat] :
      ( ( abstra5664096641628173427rm_a_b @ R3 @ top_top_set_term_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R3 ) )
         => ? [U2: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ U2 ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
              & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z2 @ U2 ) @ ( sup_su6776935440552674877rm_a_b @ R3 @ id_term_a_b ) ) ) ) ) ) ).

% strongly_confluent_E1n
thf(fact_888_listrel1__iff__update,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
      = ( ? [Y4: term_a_b,N2: nat] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Xs @ N2 ) @ Y4 ) @ R3 )
            & ( ord_less_nat @ N2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
            & ( Ys
              = ( list_update_term_a_b @ Xs @ N2 @ Y4 ) ) ) ) ) ).

% listrel1_iff_update
thf(fact_889_Cons__listrel1__Cons,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,Y: term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( cons_term_a_b @ Y @ Ys ) ) @ ( listrel1_term_a_b @ R3 ) )
      = ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
          & ( Xs = Ys ) )
        | ( ( X = Y )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) ) ) ) ) ).

% Cons_listrel1_Cons
thf(fact_890_list_Oset__intros_I2_J,axiom,
    ! [Y: product_prod_a_nat,X22: list_P3592885314253461005_a_nat,X21: product_prod_a_nat] :
      ( ( member5724188588386418708_a_nat @ Y @ ( set_Pr924983374503034536_a_nat @ X22 ) )
     => ( member5724188588386418708_a_nat @ Y @ ( set_Pr924983374503034536_a_nat @ ( cons_P5205166803686508359_a_nat @ X21 @ X22 ) ) ) ) ).

% list.set_intros(2)
thf(fact_891_list_Oset__intros_I2_J,axiom,
    ! [Y: produc357393685978478089rm_a_b,X22: list_P8875379029341186191rm_a_b,X21: produc357393685978478089rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ Y @ ( set_Pr2370880052973118494rm_a_b @ X22 ) )
     => ( member5869715511025134514rm_a_b @ Y @ ( set_Pr2370880052973118494rm_a_b @ ( cons_P3536305108106557631rm_a_b @ X21 @ X22 ) ) ) ) ).

% list.set_intros(2)
thf(fact_892_list_Oset__intros_I2_J,axiom,
    ! [Y: term_a_b,X22: list_term_a_b,X21: term_a_b] :
      ( ( member_term_a_b @ Y @ ( set_term_a_b2 @ X22 ) )
     => ( member_term_a_b @ Y @ ( set_term_a_b2 @ ( cons_term_a_b @ X21 @ X22 ) ) ) ) ).

% list.set_intros(2)
thf(fact_893_list_Oset__intros_I1_J,axiom,
    ! [X21: product_prod_a_nat,X22: list_P3592885314253461005_a_nat] : ( member5724188588386418708_a_nat @ X21 @ ( set_Pr924983374503034536_a_nat @ ( cons_P5205166803686508359_a_nat @ X21 @ X22 ) ) ) ).

% list.set_intros(1)
thf(fact_894_list_Oset__intros_I1_J,axiom,
    ! [X21: produc357393685978478089rm_a_b,X22: list_P8875379029341186191rm_a_b] : ( member5869715511025134514rm_a_b @ X21 @ ( set_Pr2370880052973118494rm_a_b @ ( cons_P3536305108106557631rm_a_b @ X21 @ X22 ) ) ) ).

% list.set_intros(1)
thf(fact_895_list_Oset__intros_I1_J,axiom,
    ! [X21: term_a_b,X22: list_term_a_b] : ( member_term_a_b @ X21 @ ( set_term_a_b2 @ ( cons_term_a_b @ X21 @ X22 ) ) ) ).

% list.set_intros(1)
thf(fact_896_list_Oset__cases,axiom,
    ! [E: product_prod_a_nat,A: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ E @ ( set_Pr924983374503034536_a_nat @ A ) )
     => ( ! [Z22: list_P3592885314253461005_a_nat] :
            ( A
           != ( cons_P5205166803686508359_a_nat @ E @ Z22 ) )
       => ~ ! [Z1: product_prod_a_nat,Z22: list_P3592885314253461005_a_nat] :
              ( ( A
                = ( cons_P5205166803686508359_a_nat @ Z1 @ Z22 ) )
             => ~ ( member5724188588386418708_a_nat @ E @ ( set_Pr924983374503034536_a_nat @ Z22 ) ) ) ) ) ).

% list.set_cases
thf(fact_897_list_Oset__cases,axiom,
    ! [E: produc357393685978478089rm_a_b,A: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ E @ ( set_Pr2370880052973118494rm_a_b @ A ) )
     => ( ! [Z22: list_P8875379029341186191rm_a_b] :
            ( A
           != ( cons_P3536305108106557631rm_a_b @ E @ Z22 ) )
       => ~ ! [Z1: produc357393685978478089rm_a_b,Z22: list_P8875379029341186191rm_a_b] :
              ( ( A
                = ( cons_P3536305108106557631rm_a_b @ Z1 @ Z22 ) )
             => ~ ( member5869715511025134514rm_a_b @ E @ ( set_Pr2370880052973118494rm_a_b @ Z22 ) ) ) ) ) ).

% list.set_cases
thf(fact_898_list_Oset__cases,axiom,
    ! [E: term_a_b,A: list_term_a_b] :
      ( ( member_term_a_b @ E @ ( set_term_a_b2 @ A ) )
     => ( ! [Z22: list_term_a_b] :
            ( A
           != ( cons_term_a_b @ E @ Z22 ) )
       => ~ ! [Z1: term_a_b,Z22: list_term_a_b] :
              ( ( A
                = ( cons_term_a_b @ Z1 @ Z22 ) )
             => ~ ( member_term_a_b @ E @ ( set_term_a_b2 @ Z22 ) ) ) ) ) ).

% list.set_cases
thf(fact_899_set__ConsD,axiom,
    ! [Y: product_prod_a_nat,X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ Y @ ( set_Pr924983374503034536_a_nat @ ( cons_P5205166803686508359_a_nat @ X @ Xs ) ) )
     => ( ( Y = X )
        | ( member5724188588386418708_a_nat @ Y @ ( set_Pr924983374503034536_a_nat @ Xs ) ) ) ) ).

% set_ConsD
thf(fact_900_set__ConsD,axiom,
    ! [Y: produc357393685978478089rm_a_b,X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ Y @ ( set_Pr2370880052973118494rm_a_b @ ( cons_P3536305108106557631rm_a_b @ X @ Xs ) ) )
     => ( ( Y = X )
        | ( member5869715511025134514rm_a_b @ Y @ ( set_Pr2370880052973118494rm_a_b @ Xs ) ) ) ) ).

% set_ConsD
thf(fact_901_set__ConsD,axiom,
    ! [Y: term_a_b,X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ Y @ ( set_term_a_b2 @ ( cons_term_a_b @ X @ Xs ) ) )
     => ( ( Y = X )
        | ( member_term_a_b @ Y @ ( set_term_a_b2 @ Xs ) ) ) ) ).

% set_ConsD
thf(fact_902_rtrancl__power,axiom,
    ! [P: produc357393685978478089rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ ( transi7742714808557438673rm_a_b @ R2 ) )
      = ( ? [N2: nat] : ( member5869715511025134514rm_a_b @ P @ ( compow4057154403645558940rm_a_b @ N2 @ R2 ) ) ) ) ).

% rtrancl_power
thf(fact_903_relpow__imp__rtrancl,axiom,
    ! [P: produc357393685978478089rm_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
     => ( member5869715511025134514rm_a_b @ P @ ( transi7742714808557438673rm_a_b @ R2 ) ) ) ).

% relpow_imp_rtrancl
thf(fact_904_rtrancl__imp__relpow,axiom,
    ! [P: produc357393685978478089rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ ( transi7742714808557438673rm_a_b @ R2 ) )
     => ? [N3: nat] : ( member5869715511025134514rm_a_b @ P @ ( compow4057154403645558940rm_a_b @ N3 @ R2 ) ) ) ).

% rtrancl_imp_relpow
thf(fact_905_listrel1__rtrancl__subset__rtrancl__listrel1,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] : ( ord_le7771511673815134377rm_a_b @ ( listrel1_term_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) @ ( transi911495901722478305rm_a_b @ ( listrel1_term_a_b @ R3 ) ) ) ).

% listrel1_rtrancl_subset_rtrancl_listrel1
thf(fact_906_relpow__Suc__D2_H,axiom,
    ! [N: nat,R2: set_Pr4386577575007340137rm_a_b,X5: term_a_b,Y5: term_a_b,Z4: term_a_b] :
      ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X5 @ Y5 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
        & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y5 @ Z4 ) @ R2 ) )
     => ? [W: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X5 @ W ) @ R2 )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ W @ Z4 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) ) ) ) ).

% relpow_Suc_D2'
thf(fact_907_relpow__image,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,F3: term_a_b > term_a_b,R8: set_Pr4386577575007340137rm_a_b,S: term_a_b,T: term_a_b,N: nat] :
      ( ! [S4: term_a_b,T2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S4 @ T2 ) @ R3 )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ S4 ) @ ( F3 @ T2 ) ) @ R8 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( compow4057154403645558940rm_a_b @ N @ R3 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ S ) @ ( F3 @ T ) ) @ ( compow4057154403645558940rm_a_b @ N @ R8 ) ) ) ) ).

% relpow_image
thf(fact_908_rtrancl__listrel1__ConsI2,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( transi911495901722478305rm_a_b @ ( listrel1_term_a_b @ R3 ) ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( cons_term_a_b @ Y @ Ys ) ) @ ( transi911495901722478305rm_a_b @ ( listrel1_term_a_b @ R3 ) ) ) ) ) ).

% rtrancl_listrel1_ConsI2
thf(fact_909_Cons__listrel1E2,axiom,
    ! [Xs: list_term_a_b,Y: term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ ( cons_term_a_b @ Y @ Ys ) ) @ ( listrel1_term_a_b @ R3 ) )
     => ( ! [X3: term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ X3 @ Ys ) )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y ) @ R3 ) )
       => ~ ! [Zs: list_term_a_b] :
              ( ( Xs
                = ( cons_term_a_b @ Y @ Zs ) )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Zs @ Ys ) @ ( listrel1_term_a_b @ R3 ) ) ) ) ) ).

% Cons_listrel1E2
thf(fact_910_Cons__listrel1E1,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
     => ( ! [Y2: term_a_b] :
            ( ( Ys
              = ( cons_term_a_b @ Y2 @ Xs ) )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R3 ) )
       => ~ ! [Zs: list_term_a_b] :
              ( ( Ys
                = ( cons_term_a_b @ X @ Zs ) )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Zs ) @ ( listrel1_term_a_b @ R3 ) ) ) ) ) ).

% Cons_listrel1E1
thf(fact_911_listrel1I1,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
     => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( cons_term_a_b @ Y @ Xs ) ) @ ( listrel1_term_a_b @ R3 ) ) ) ).

% listrel1I1
thf(fact_912_listrel1__eq__len,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
     => ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) ) ) ).

% listrel1_eq_len
thf(fact_913_rtrancl__listrel1__eq__len,axiom,
    ! [X: list_term_a_b,Y: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ X @ Y ) @ ( transi911495901722478305rm_a_b @ ( listrel1_term_a_b @ R3 ) ) )
     => ( ( size_s8906293707977694520rm_a_b @ X )
        = ( size_s8906293707977694520rm_a_b @ Y ) ) ) ).

% rtrancl_listrel1_eq_len
thf(fact_914_relpow__refl__mono,axiom,
    ! [Rel: set_Pr4386577575007340137rm_a_b,M2: nat,N: nat,A: term_a_b,B: term_a_b] :
      ( ! [X3: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ Rel )
     => ( ( ord_less_eq_nat @ M2 @ N )
       => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( compow4057154403645558940rm_a_b @ M2 @ Rel ) )
         => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( compow4057154403645558940rm_a_b @ N @ Rel ) ) ) ) ) ).

% relpow_refl_mono
thf(fact_915_rtrancl__len__E,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ~ ! [N3: nat] :
            ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ N3 @ R3 ) ) ) ).

% rtrancl_len_E
thf(fact_916_set__subset__Cons,axiom,
    ! [Xs: list_term_a_b,X: term_a_b] : ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ Xs ) @ ( set_term_a_b2 @ ( cons_term_a_b @ X @ Xs ) ) ) ).

% set_subset_Cons
thf(fact_917_set__subset__Cons,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,X: product_prod_a_nat] : ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ Xs ) @ ( set_Pr924983374503034536_a_nat @ ( cons_P5205166803686508359_a_nat @ X @ Xs ) ) ) ).

% set_subset_Cons
thf(fact_918_impossible__Cons,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,X: term_a_b] :
      ( ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) @ ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( Xs
       != ( cons_term_a_b @ X @ Ys ) ) ) ).

% impossible_Cons
thf(fact_919_min__list__Cons,axiom,
    ! [X: nat,Y: nat,Xs: list_nat,Ys: list_nat] :
      ( ( ord_less_eq_nat @ X @ Y )
     => ( ( ( size_size_list_nat @ Xs )
          = ( size_size_list_nat @ Ys ) )
       => ( ( ord_less_eq_nat @ ( missing_min_list_nat @ Xs ) @ ( missing_min_list_nat @ Ys ) )
         => ( ord_less_eq_nat @ ( missing_min_list_nat @ ( cons_nat @ X @ Xs ) ) @ ( missing_min_list_nat @ ( cons_nat @ Y @ Ys ) ) ) ) ) ) ).

% min_list_Cons
thf(fact_920_trancl__steps__relpow,axiom,
    ! [A: set_Pr4386577575007340137rm_a_b,B: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b,N: nat] :
      ( ( ord_le118470702582115849rm_a_b @ A @ ( transi7922773638565587891rm_a_b @ B ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ N @ A ) )
       => ? [M4: nat] :
            ( ( ord_less_eq_nat @ N @ M4 )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ M4 @ B ) ) ) ) ) ).

% trancl_steps_relpow
thf(fact_921_Cons__lenlex__iff,axiom,
    ! [M2: term_a_b,Ms: list_term_a_b,N: term_a_b,Ns: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ M2 @ Ms ) @ ( cons_term_a_b @ N @ Ns ) ) @ ( lenlex_term_a_b @ R3 ) )
      = ( ( ord_less_nat @ ( size_s8906293707977694520rm_a_b @ Ms ) @ ( size_s8906293707977694520rm_a_b @ Ns ) )
        | ( ( ( size_s8906293707977694520rm_a_b @ Ms )
            = ( size_s8906293707977694520rm_a_b @ Ns ) )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ M2 @ N ) @ R3 ) )
        | ( ( M2 = N )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ms @ Ns ) @ ( lenlex_term_a_b @ R3 ) ) ) ) ) ).

% Cons_lenlex_iff
thf(fact_922_Cons__in__lex,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,Y: term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( cons_term_a_b @ Y @ Ys ) ) @ ( lex_term_a_b @ R3 ) )
      = ( ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
          & ( ( size_s8906293707977694520rm_a_b @ Xs )
            = ( size_s8906293707977694520rm_a_b @ Ys ) ) )
        | ( ( X = Y )
          & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( lex_term_a_b @ R3 ) ) ) ) ) ).

% Cons_in_lex
thf(fact_923_list__induct4,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,Zs2: list_term_a_b,Ws: list_term_a_b,P2: list_term_a_b > list_term_a_b > list_term_a_b > list_term_a_b > $o] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Ys )
          = ( size_s8906293707977694520rm_a_b @ Zs2 ) )
       => ( ( ( size_s8906293707977694520rm_a_b @ Zs2 )
            = ( size_s8906293707977694520rm_a_b @ Ws ) )
         => ( ( P2 @ nil_term_a_b @ nil_term_a_b @ nil_term_a_b @ nil_term_a_b )
           => ( ! [X3: term_a_b,Xs2: list_term_a_b,Y2: term_a_b,Ys4: list_term_a_b,Z: term_a_b,Zs: list_term_a_b,W: term_a_b,Ws2: list_term_a_b] :
                  ( ( ( size_s8906293707977694520rm_a_b @ Xs2 )
                    = ( size_s8906293707977694520rm_a_b @ Ys4 ) )
                 => ( ( ( size_s8906293707977694520rm_a_b @ Ys4 )
                      = ( size_s8906293707977694520rm_a_b @ Zs ) )
                   => ( ( ( size_s8906293707977694520rm_a_b @ Zs )
                        = ( size_s8906293707977694520rm_a_b @ Ws2 ) )
                     => ( ( P2 @ Xs2 @ Ys4 @ Zs @ Ws2 )
                       => ( P2 @ ( cons_term_a_b @ X3 @ Xs2 ) @ ( cons_term_a_b @ Y2 @ Ys4 ) @ ( cons_term_a_b @ Z @ Zs ) @ ( cons_term_a_b @ W @ Ws2 ) ) ) ) ) )
             => ( P2 @ Xs @ Ys @ Zs2 @ Ws ) ) ) ) ) ) ).

% list_induct4
thf(fact_924_list__induct3,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,Zs2: list_term_a_b,P2: list_term_a_b > list_term_a_b > list_term_a_b > $o] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Ys )
          = ( size_s8906293707977694520rm_a_b @ Zs2 ) )
       => ( ( P2 @ nil_term_a_b @ nil_term_a_b @ nil_term_a_b )
         => ( ! [X3: term_a_b,Xs2: list_term_a_b,Y2: term_a_b,Ys4: list_term_a_b,Z: term_a_b,Zs: list_term_a_b] :
                ( ( ( size_s8906293707977694520rm_a_b @ Xs2 )
                  = ( size_s8906293707977694520rm_a_b @ Ys4 ) )
               => ( ( ( size_s8906293707977694520rm_a_b @ Ys4 )
                    = ( size_s8906293707977694520rm_a_b @ Zs ) )
                 => ( ( P2 @ Xs2 @ Ys4 @ Zs )
                   => ( P2 @ ( cons_term_a_b @ X3 @ Xs2 ) @ ( cons_term_a_b @ Y2 @ Ys4 ) @ ( cons_term_a_b @ Z @ Zs ) ) ) ) )
           => ( P2 @ Xs @ Ys @ Zs2 ) ) ) ) ) ).

% list_induct3
thf(fact_925_list__induct2,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,P2: list_term_a_b > list_term_a_b > $o] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( ( P2 @ nil_term_a_b @ nil_term_a_b )
       => ( ! [X3: term_a_b,Xs2: list_term_a_b,Y2: term_a_b,Ys4: list_term_a_b] :
              ( ( ( size_s8906293707977694520rm_a_b @ Xs2 )
                = ( size_s8906293707977694520rm_a_b @ Ys4 ) )
             => ( ( P2 @ Xs2 @ Ys4 )
               => ( P2 @ ( cons_term_a_b @ X3 @ Xs2 ) @ ( cons_term_a_b @ Y2 @ Ys4 ) ) ) )
         => ( P2 @ Xs @ Ys ) ) ) ) ).

% list_induct2
thf(fact_926_lenlex__irreflexive,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b] :
      ( ! [X3: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ R3 )
     => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Xs ) @ ( lenlex_term_a_b @ R3 ) ) ) ).

% lenlex_irreflexive
thf(fact_927_fun__at_Ocases,axiom,
    ! [X: produc3697673438841856213st_nat] :
      ( ! [X3: b] :
          ( X
         != ( produc4563063199488751885st_nat @ ( var_b_a @ X3 ) @ nil_nat ) )
     => ( ! [F: a,Ts: list_term_a_b] :
            ( X
           != ( produc4563063199488751885st_nat @ ( fun_a_b @ F @ Ts ) @ nil_nat ) )
       => ( ! [F: a,Ts: list_term_a_b,I3: nat,P6: list_nat] :
              ( X
             != ( produc4563063199488751885st_nat @ ( fun_a_b @ F @ Ts ) @ ( cons_nat @ I3 @ P6 ) ) )
         => ~ ! [Vb: b,V2: nat,Va: list_nat] :
                ( X
               != ( produc4563063199488751885st_nat @ ( var_b_a @ Vb ) @ ( cons_nat @ V2 @ Va ) ) ) ) ) ) ).

% fun_at.cases
thf(fact_928_subt__at_Ocases,axiom,
    ! [X: produc3697673438841856213st_nat] :
      ( ! [S4: term_a_b] :
          ( X
         != ( produc4563063199488751885st_nat @ S4 @ nil_nat ) )
     => ( ! [F: a,Ss: list_term_a_b,I3: nat,P6: list_nat] :
            ( X
           != ( produc4563063199488751885st_nat @ ( fun_a_b @ F @ Ss ) @ ( cons_nat @ I3 @ P6 ) ) )
       => ~ ! [X3: b,V2: nat,Va: list_nat] :
              ( X
             != ( produc4563063199488751885st_nat @ ( var_b_a @ X3 ) @ ( cons_nat @ V2 @ Va ) ) ) ) ) ).

% subt_at.cases
thf(fact_929_ctxt__at__pos_Ocases,axiom,
    ! [X: produc3697673438841856213st_nat] :
      ( ! [S4: term_a_b] :
          ( X
         != ( produc4563063199488751885st_nat @ S4 @ nil_nat ) )
     => ( ! [F: a,Ss: list_term_a_b,I3: nat,P6: list_nat] :
            ( X
           != ( produc4563063199488751885st_nat @ ( fun_a_b @ F @ Ss ) @ ( cons_nat @ I3 @ P6 ) ) )
       => ~ ! [X3: b,V2: nat,Va: list_nat] :
              ( X
             != ( produc4563063199488751885st_nat @ ( var_b_a @ X3 ) @ ( cons_nat @ V2 @ Va ) ) ) ) ) ).

% ctxt_at_pos.cases
thf(fact_930_replace__term__at_Ocases,axiom,
    ! [X: produc2732850333517536310rm_a_b] :
      ( ! [S4: term_a_b,T2: term_a_b] :
          ( X
         != ( produc3812856575676843240rm_a_b @ S4 @ ( produc5151171985953862413rm_a_b @ nil_nat @ T2 ) ) )
     => ( ! [X3: b,V2: nat,Va: list_nat,T2: term_a_b] :
            ( X
           != ( produc3812856575676843240rm_a_b @ ( var_b_a @ X3 ) @ ( produc5151171985953862413rm_a_b @ ( cons_nat @ V2 @ Va ) @ T2 ) ) )
       => ~ ! [F: a,Ts: list_term_a_b,I3: nat,Ps: list_nat,T2: term_a_b] :
              ( X
             != ( produc3812856575676843240rm_a_b @ ( fun_a_b @ F @ Ts ) @ ( produc5151171985953862413rm_a_b @ ( cons_nat @ I3 @ Ps ) @ T2 ) ) ) ) ) ).

% replace_term_at.cases
thf(fact_931_lenlex__length,axiom,
    ! [Ms: list_term_a_b,Ns: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ms @ Ns ) @ ( lenlex_term_a_b @ R3 ) )
     => ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Ms ) @ ( size_s8906293707977694520rm_a_b @ Ns ) ) ) ).

% lenlex_length
thf(fact_932_replace__term__at_Oelims,axiom,
    ! [X: term_a_b,Xa: list_nat,Xb: term_a_b,Y: term_a_b] :
      ( ( ( term_r6860082780075436317at_a_b @ X @ Xa @ Xb )
        = Y )
     => ( ( ( Xa = nil_nat )
         => ( Y != Xb ) )
       => ( ! [X3: b] :
              ( ( X
                = ( var_b_a @ X3 ) )
             => ( ? [V2: nat,Va: list_nat] :
                    ( Xa
                    = ( cons_nat @ V2 @ Va ) )
               => ( Y
                 != ( var_b_a @ X3 ) ) ) )
         => ~ ! [F: a,Ts: list_term_a_b] :
                ( ( X
                  = ( fun_a_b @ F @ Ts ) )
               => ! [I3: nat,Ps: list_nat] :
                    ( ( Xa
                      = ( cons_nat @ I3 @ Ps ) )
                   => ~ ( ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts ) )
                         => ( Y
                            = ( fun_a_b @ F @ ( list_update_term_a_b @ Ts @ I3 @ ( term_r6860082780075436317at_a_b @ ( nth_term_a_b @ Ts @ I3 ) @ Ps @ Xb ) ) ) ) )
                        & ( ~ ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts ) )
                         => ( Y
                            = ( fun_a_b @ F @ Ts ) ) ) ) ) ) ) ) ) ).

% replace_term_at.elims
thf(fact_933_the__elem__set,axiom,
    ! [X: term_a_b] :
      ( ( the_elem_term_a_b @ ( set_term_a_b2 @ ( cons_term_a_b @ X @ nil_term_a_b ) ) )
      = X ) ).

% the_elem_set
thf(fact_934_poss__of__term__Cons,axiom,
    ! [I4: nat,P: list_nat,U: term_a_b,F3: a,Ts2: list_term_a_b] :
      ( ( member_list_nat @ ( cons_nat @ I4 @ P ) @ ( terms_7168686267159881682rm_a_b @ U @ ( fun_a_b @ F3 @ Ts2 ) ) )
     => ( member_list_nat @ P @ ( terms_7168686267159881682rm_a_b @ U @ ( nth_term_a_b @ Ts2 @ I4 ) ) ) ) ).

% poss_of_term_Cons
thf(fact_935_depth_Ocases,axiom,
    ! [X: term_a_b] :
      ( ! [X3: b] :
          ( X
         != ( var_b_a @ X3 ) )
     => ( ! [F: a] :
            ( X
           != ( fun_a_b @ F @ nil_term_a_b ) )
       => ~ ! [F: a,V2: term_a_b,Va: list_term_a_b] :
              ( X
             != ( fun_a_b @ F @ ( cons_term_a_b @ V2 @ Va ) ) ) ) ) ).

% depth.cases
thf(fact_936_funas__term__replace__at__upper,axiom,
    ! [S: term_a_b,P: list_nat,T: term_a_b] : ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( term_r6860082780075436317at_a_b @ S @ P @ T ) ) @ ( sup_su459911885395995103_a_nat @ ( term_funas_term_a_b @ S ) @ ( term_funas_term_a_b @ T ) ) ) ).

% funas_term_replace_at_upper
thf(fact_937_replace__term__at_Osimps_I3_J,axiom,
    ! [I4: nat,Ts2: list_term_a_b,F3: a,Ps2: list_nat,T: term_a_b] :
      ( ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) )
       => ( ( term_r6860082780075436317at_a_b @ ( fun_a_b @ F3 @ Ts2 ) @ ( cons_nat @ I4 @ Ps2 ) @ T )
          = ( fun_a_b @ F3 @ ( list_update_term_a_b @ Ts2 @ I4 @ ( term_r6860082780075436317at_a_b @ ( nth_term_a_b @ Ts2 @ I4 ) @ Ps2 @ T ) ) ) ) )
      & ( ~ ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) )
       => ( ( term_r6860082780075436317at_a_b @ ( fun_a_b @ F3 @ Ts2 ) @ ( cons_nat @ I4 @ Ps2 ) @ T )
          = ( fun_a_b @ F3 @ Ts2 ) ) ) ) ).

% replace_term_at.simps(3)
thf(fact_938_replace__term__at_Opelims,axiom,
    ! [X: term_a_b,Xa: list_nat,Xb: term_a_b,Y: term_a_b] :
      ( ( ( term_r6860082780075436317at_a_b @ X @ Xa @ Xb )
        = Y )
     => ( ( accp_P2729577386226225901rm_a_b @ term_r1280879029893354718el_a_b @ ( produc3812856575676843240rm_a_b @ X @ ( produc5151171985953862413rm_a_b @ Xa @ Xb ) ) )
       => ( ( ( Xa = nil_nat )
           => ( ( Y = Xb )
             => ~ ( accp_P2729577386226225901rm_a_b @ term_r1280879029893354718el_a_b @ ( produc3812856575676843240rm_a_b @ X @ ( produc5151171985953862413rm_a_b @ nil_nat @ Xb ) ) ) ) )
         => ( ! [X3: b] :
                ( ( X
                  = ( var_b_a @ X3 ) )
               => ! [V2: nat,Va: list_nat] :
                    ( ( Xa
                      = ( cons_nat @ V2 @ Va ) )
                   => ( ( Y
                        = ( var_b_a @ X3 ) )
                     => ~ ( accp_P2729577386226225901rm_a_b @ term_r1280879029893354718el_a_b @ ( produc3812856575676843240rm_a_b @ ( var_b_a @ X3 ) @ ( produc5151171985953862413rm_a_b @ ( cons_nat @ V2 @ Va ) @ Xb ) ) ) ) ) )
           => ~ ! [F: a,Ts: list_term_a_b] :
                  ( ( X
                    = ( fun_a_b @ F @ Ts ) )
                 => ! [I3: nat,Ps: list_nat] :
                      ( ( Xa
                        = ( cons_nat @ I3 @ Ps ) )
                     => ( ( ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts ) )
                           => ( Y
                              = ( fun_a_b @ F @ ( list_update_term_a_b @ Ts @ I3 @ ( term_r6860082780075436317at_a_b @ ( nth_term_a_b @ Ts @ I3 ) @ Ps @ Xb ) ) ) ) )
                          & ( ~ ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ts ) )
                           => ( Y
                              = ( fun_a_b @ F @ Ts ) ) ) )
                       => ~ ( accp_P2729577386226225901rm_a_b @ term_r1280879029893354718el_a_b @ ( produc3812856575676843240rm_a_b @ ( fun_a_b @ F @ Ts ) @ ( produc5151171985953862413rm_a_b @ ( cons_nat @ I3 @ Ps ) @ Xb ) ) ) ) ) ) ) ) ) ) ).

% replace_term_at.pelims
thf(fact_939_in__set__product__lists__length,axiom,
    ! [Xs: list_term_a_b,Xss: list_list_term_a_b] :
      ( ( member_list_term_a_b @ Xs @ ( set_list_term_a_b2 @ ( produc17669015410068453rm_a_b @ Xss ) ) )
     => ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s877380706853472072rm_a_b @ Xss ) ) ) ).

% in_set_product_lists_length
thf(fact_940_listrel__iff__nth,axiom,
    ! [Xs: list_a,Ys: list_nat,R3: set_Pr4934435412358123699_a_nat] :
      ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs @ Ys ) @ ( listrel_a_nat @ R3 ) )
      = ( ( ( size_size_list_a @ Xs )
          = ( size_size_list_nat @ Ys ) )
        & ! [N2: nat] :
            ( ( ord_less_nat @ N2 @ ( size_size_list_a @ Xs ) )
           => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ ( nth_a @ Xs @ N2 ) @ ( nth_nat @ Ys @ N2 ) ) @ R3 ) ) ) ) ).

% listrel_iff_nth
thf(fact_941_listrel__iff__nth,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
      = ( ( ( size_s8906293707977694520rm_a_b @ Xs )
          = ( size_s8906293707977694520rm_a_b @ Ys ) )
        & ! [N2: nat] :
            ( ( ord_less_nat @ N2 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Xs @ N2 ) @ ( nth_term_a_b @ Ys @ N2 ) ) @ R3 ) ) ) ) ).

% listrel_iff_nth
thf(fact_942_lex__take__index,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( lex_term_a_b @ R3 ) )
     => ~ ! [I3: nat] :
            ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
           => ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ys ) )
             => ( ( ( take_term_a_b @ I3 @ Xs )
                  = ( take_term_a_b @ I3 @ Ys ) )
               => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( nth_term_a_b @ Xs @ I3 ) @ ( nth_term_a_b @ Ys @ I3 ) ) @ R3 ) ) ) ) ) ).

% lex_take_index
thf(fact_943_take__all__iff,axiom,
    ! [N: nat,Xs: list_term_a_b] :
      ( ( ( take_term_a_b @ N @ Xs )
        = Xs )
      = ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) @ N ) ) ).

% take_all_iff
thf(fact_944_take__all,axiom,
    ! [Xs: list_term_a_b,N: nat] :
      ( ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) @ N )
     => ( ( take_term_a_b @ N @ Xs )
        = Xs ) ) ).

% take_all
thf(fact_945_nth__take,axiom,
    ! [I4: nat,N: nat,Xs: list_term_a_b] :
      ( ( ord_less_nat @ I4 @ N )
     => ( ( nth_term_a_b @ ( take_term_a_b @ N @ Xs ) @ I4 )
        = ( nth_term_a_b @ Xs @ I4 ) ) ) ).

% nth_take
thf(fact_946_listrel__rtrancl__refl,axiom,
    ! [Xs: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] : ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Xs ) @ ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ).

% listrel_rtrancl_refl
thf(fact_947_in__set__takeD,axiom,
    ! [X: product_prod_a_nat,N: nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ ( take_P7249722199902868751_a_nat @ N @ Xs ) ) )
     => ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) ) ) ).

% in_set_takeD
thf(fact_948_in__set__takeD,axiom,
    ! [X: produc357393685978478089rm_a_b,N: nat,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ ( take_P7698341771522494711rm_a_b @ N @ Xs ) ) )
     => ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) ) ) ).

% in_set_takeD
thf(fact_949_in__set__takeD,axiom,
    ! [X: term_a_b,N: nat,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ ( take_term_a_b @ N @ Xs ) ) )
     => ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) ) ) ).

% in_set_takeD
thf(fact_950_set__take__subset,axiom,
    ! [N: nat,Xs: list_term_a_b] : ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ ( take_term_a_b @ N @ Xs ) ) @ ( set_term_a_b2 @ Xs ) ) ).

% set_take_subset
thf(fact_951_set__take__subset,axiom,
    ! [N: nat,Xs: list_P3592885314253461005_a_nat] : ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ ( take_P7249722199902868751_a_nat @ N @ Xs ) ) @ ( set_Pr924983374503034536_a_nat @ Xs ) ) ).

% set_take_subset
thf(fact_952_listrel__eq__len,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
     => ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) ) ) ).

% listrel_eq_len
thf(fact_953_listrel__rtrancl__trans,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b,Zs2: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ys @ Zs2 ) @ ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Zs2 ) @ ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ) ).

% listrel_rtrancl_trans
thf(fact_954_set__take__subset__set__take,axiom,
    ! [M2: nat,N: nat,Xs: list_term_a_b] :
      ( ( ord_less_eq_nat @ M2 @ N )
     => ( ord_le2705286416250468010rm_a_b @ ( set_term_a_b2 @ ( take_term_a_b @ M2 @ Xs ) ) @ ( set_term_a_b2 @ ( take_term_a_b @ N @ Xs ) ) ) ) ).

% set_take_subset_set_take
thf(fact_955_set__take__subset__set__take,axiom,
    ! [M2: nat,N: nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( ord_less_eq_nat @ M2 @ N )
     => ( ord_le8666007276011122963_a_nat @ ( set_Pr924983374503034536_a_nat @ ( take_P7249722199902868751_a_nat @ M2 @ Xs ) ) @ ( set_Pr924983374503034536_a_nat @ ( take_P7249722199902868751_a_nat @ N @ Xs ) ) ) ) ).

% set_take_subset_set_take
thf(fact_956_listrel__mono,axiom,
    ! [R3: set_Pr4934435412358123699_a_nat,S: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ R3 @ S )
     => ( ord_le1912520282604406569st_nat @ ( listrel_a_nat @ R3 ) @ ( listrel_a_nat @ S ) ) ) ).

% listrel_mono
thf(fact_957_listrel__Cons2,axiom,
    ! [Xs: list_a,Y: nat,Ys: list_nat,R3: set_Pr4934435412358123699_a_nat] :
      ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs @ ( cons_nat @ Y @ Ys ) ) @ ( listrel_a_nat @ R3 ) )
     => ~ ! [X3: a,Xs2: list_a] :
            ( ( Xs
              = ( cons_a @ X3 @ Xs2 ) )
           => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X3 @ Y ) @ R3 )
             => ~ ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs2 @ Ys ) @ ( listrel_a_nat @ R3 ) ) ) ) ) ).

% listrel_Cons2
thf(fact_958_listrel__Cons2,axiom,
    ! [Xs: list_term_a_b,Y: term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ ( cons_term_a_b @ Y @ Ys ) ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
     => ~ ! [X3: term_a_b,Xs2: list_term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ X3 @ Xs2 ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y ) @ R3 )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs2 @ Ys ) @ ( listre1194016999521814427rm_a_b @ R3 ) ) ) ) ) ).

% listrel_Cons2
thf(fact_959_listrel__Cons1,axiom,
    ! [Y: a,Ys: list_a,Xs: list_nat,R3: set_Pr4934435412358123699_a_nat] :
      ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ ( cons_a @ Y @ Ys ) @ Xs ) @ ( listrel_a_nat @ R3 ) )
     => ~ ! [Y2: nat,Ys4: list_nat] :
            ( ( Xs
              = ( cons_nat @ Y2 @ Ys4 ) )
           => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ Y @ Y2 ) @ R3 )
             => ~ ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Ys @ Ys4 ) @ ( listrel_a_nat @ R3 ) ) ) ) ) ).

% listrel_Cons1
thf(fact_960_listrel__Cons1,axiom,
    ! [Y: term_a_b,Ys: list_term_a_b,Xs: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ Y @ Ys ) @ Xs ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
     => ~ ! [Y2: term_a_b,Ys4: list_term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ Y2 @ Ys4 ) )
           => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Y2 ) @ R3 )
             => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ys @ Ys4 ) @ ( listre1194016999521814427rm_a_b @ R3 ) ) ) ) ) ).

% listrel_Cons1
thf(fact_961_listrel_OCons,axiom,
    ! [X: a,Y: nat,R3: set_Pr4934435412358123699_a_nat,Xs: list_a,Ys: list_nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X @ Y ) @ R3 )
     => ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs @ Ys ) @ ( listrel_a_nat @ R3 ) )
       => ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ ( cons_a @ X @ Xs ) @ ( cons_nat @ Y @ Ys ) ) @ ( listrel_a_nat @ R3 ) ) ) ) ).

% listrel.Cons
thf(fact_962_listrel_OCons,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( cons_term_a_b @ Y @ Ys ) ) @ ( listre1194016999521814427rm_a_b @ R3 ) ) ) ) ).

% listrel.Cons
thf(fact_963_nth__take__prefix,axiom,
    ! [Ys: list_term_a_b,Xs: list_term_a_b] :
      ( ( ord_less_eq_nat @ ( size_s8906293707977694520rm_a_b @ Ys ) @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ! [I3: nat] :
            ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ys ) )
           => ( ( nth_term_a_b @ Xs @ I3 )
              = ( nth_term_a_b @ Ys @ I3 ) ) )
       => ( ( take_term_a_b @ ( size_s8906293707977694520rm_a_b @ Ys ) @ Xs )
          = Ys ) ) ) ).

% nth_take_prefix
thf(fact_964_nth__take__lemma,axiom,
    ! [K: nat,Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( ord_less_eq_nat @ K @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( ord_less_eq_nat @ K @ ( size_s8906293707977694520rm_a_b @ Ys ) )
       => ( ! [I3: nat] :
              ( ( ord_less_nat @ I3 @ K )
             => ( ( nth_term_a_b @ Xs @ I3 )
                = ( nth_term_a_b @ Ys @ I3 ) ) )
         => ( ( take_term_a_b @ K @ Xs )
            = ( take_term_a_b @ K @ Ys ) ) ) ) ) ).

% nth_take_lemma
thf(fact_965_listrel__reflcl__if__listrel1,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
     => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) ) ) ).

% listrel_reflcl_if_listrel1
thf(fact_966_listrel__rtrancl__eq__rtrancl__listrel1,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ( listre1194016999521814427rm_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) )
      = ( transi911495901722478305rm_a_b @ ( listrel1_term_a_b @ R3 ) ) ) ).

% listrel_rtrancl_eq_rtrancl_listrel1
thf(fact_967_listrel_Osimps,axiom,
    ! [A1: list_a,A22: list_nat,R3: set_Pr4934435412358123699_a_nat] :
      ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ A1 @ A22 ) @ ( listrel_a_nat @ R3 ) )
      = ( ( ( A1 = nil_a )
          & ( A22 = nil_nat ) )
        | ? [X2: a,Y4: nat,Xs3: list_a,Ys3: list_nat] :
            ( ( A1
              = ( cons_a @ X2 @ Xs3 ) )
            & ( A22
              = ( cons_nat @ Y4 @ Ys3 ) )
            & ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X2 @ Y4 ) @ R3 )
            & ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs3 @ Ys3 ) @ ( listrel_a_nat @ R3 ) ) ) ) ) ).

% listrel.simps
thf(fact_968_listrel_Osimps,axiom,
    ! [A1: list_term_a_b,A22: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A1 @ A22 ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
      = ( ( ( A1 = nil_term_a_b )
          & ( A22 = nil_term_a_b ) )
        | ? [X2: term_a_b,Y4: term_a_b,Xs3: list_term_a_b,Ys3: list_term_a_b] :
            ( ( A1
              = ( cons_term_a_b @ X2 @ Xs3 ) )
            & ( A22
              = ( cons_term_a_b @ Y4 @ Ys3 ) )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X2 @ Y4 ) @ R3 )
            & ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs3 @ Ys3 ) @ ( listre1194016999521814427rm_a_b @ R3 ) ) ) ) ) ).

% listrel.simps
thf(fact_969_listrel_Ocases,axiom,
    ! [A1: list_a,A22: list_nat,R3: set_Pr4934435412358123699_a_nat] :
      ( ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ A1 @ A22 ) @ ( listrel_a_nat @ R3 ) )
     => ( ( ( A1 = nil_a )
         => ( A22 != nil_nat ) )
       => ~ ! [X3: a,Y2: nat,Xs2: list_a] :
              ( ( A1
                = ( cons_a @ X3 @ Xs2 ) )
             => ! [Ys4: list_nat] :
                  ( ( A22
                    = ( cons_nat @ Y2 @ Ys4 ) )
                 => ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ X3 @ Y2 ) @ R3 )
                   => ~ ( member4851138774834033962st_nat @ ( produc4792949784200893581st_nat @ Xs2 @ Ys4 ) @ ( listrel_a_nat @ R3 ) ) ) ) ) ) ) ).

% listrel.cases
thf(fact_970_listrel_Ocases,axiom,
    ! [A1: list_term_a_b,A22: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ A1 @ A22 ) @ ( listre1194016999521814427rm_a_b @ R3 ) )
     => ( ( ( A1 = nil_term_a_b )
         => ( A22 != nil_term_a_b ) )
       => ~ ! [X3: term_a_b,Y2: term_a_b,Xs2: list_term_a_b] :
              ( ( A1
                = ( cons_term_a_b @ X3 @ Xs2 ) )
             => ! [Ys4: list_term_a_b] :
                  ( ( A22
                    = ( cons_term_a_b @ Y2 @ Ys4 ) )
                 => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
                   => ~ ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs2 @ Ys4 ) @ ( listre1194016999521814427rm_a_b @ R3 ) ) ) ) ) ) ) ).

% listrel.cases
thf(fact_971_in__measures_I2_J,axiom,
    ! [X: term_a_b,Y: term_a_b,F3: term_a_b > nat,Fs: list_term_a_b_nat] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ ( cons_term_a_b_nat @ F3 @ Fs ) ) )
      = ( ( ord_less_nat @ ( F3 @ X ) @ ( F3 @ Y ) )
        | ( ( ( F3 @ X )
            = ( F3 @ Y ) )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ Fs ) ) ) ) ) ).

% in_measures(2)
thf(fact_972_nth__equal__first__eq,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat,N: nat] :
      ( ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ( ( ord_less_eq_nat @ N @ ( size_s984997627204368545_a_nat @ Xs ) )
       => ( ( ( nth_Pr8461465654520414006_a_nat @ ( cons_P5205166803686508359_a_nat @ X @ Xs ) @ N )
            = X )
          = ( N = zero_zero_nat ) ) ) ) ).

% nth_equal_first_eq
thf(fact_973_nth__equal__first__eq,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b,N: nat] :
      ( ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ( ( ord_less_eq_nat @ N @ ( size_s8600120110137556219rm_a_b @ Xs ) )
       => ( ( ( nth_Pr1098598711982373392rm_a_b @ ( cons_P3536305108106557631rm_a_b @ X @ Xs ) @ N )
            = X )
          = ( N = zero_zero_nat ) ) ) ) ).

% nth_equal_first_eq
thf(fact_974_nth__equal__first__eq,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,N: nat] :
      ( ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ( ( ord_less_eq_nat @ N @ ( size_s8906293707977694520rm_a_b @ Xs ) )
       => ( ( ( nth_term_a_b @ ( cons_term_a_b @ X @ Xs ) @ N )
            = X )
          = ( N = zero_zero_nat ) ) ) ) ).

% nth_equal_first_eq
thf(fact_975_less__nat__zero__code,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ zero_zero_nat ) ).

% less_nat_zero_code
thf(fact_976_neq0__conv,axiom,
    ! [N: nat] :
      ( ( N != zero_zero_nat )
      = ( ord_less_nat @ zero_zero_nat @ N ) ) ).

% neq0_conv
thf(fact_977_bot__nat__0_Onot__eq__extremum,axiom,
    ! [A: nat] :
      ( ( A != zero_zero_nat )
      = ( ord_less_nat @ zero_zero_nat @ A ) ) ).

% bot_nat_0.not_eq_extremum
thf(fact_978_in__measures_I1_J,axiom,
    ! [X: term_a_b,Y: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ nil_term_a_b_nat ) ) ).

% in_measures(1)
thf(fact_979_length__0__conv,axiom,
    ! [Xs: list_term_a_b] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = zero_zero_nat )
      = ( Xs = nil_term_a_b ) ) ).

% length_0_conv
thf(fact_980_nth__Cons__0,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( nth_term_a_b @ ( cons_term_a_b @ X @ Xs ) @ zero_zero_nat )
      = X ) ).

% nth_Cons_0
thf(fact_981_length__greater__0__conv,axiom,
    ! [Xs: list_term_a_b] :
      ( ( ord_less_nat @ zero_zero_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) )
      = ( Xs != nil_term_a_b ) ) ).

% length_greater_0_conv
thf(fact_982_refl__onD2,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat,X: product_prod_a_nat,Y: product_prod_a_nat] :
      ( ( refl_o8237544196271505854_a_nat @ A3 @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ R3 )
       => ( member5724188588386418708_a_nat @ Y @ A3 ) ) ) ).

% refl_onD2
thf(fact_983_refl__onD2,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b,X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b] :
      ( ( refl_o5344404488616963464rm_a_b @ A3 @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ R3 )
       => ( member5869715511025134514rm_a_b @ Y @ A3 ) ) ) ).

% refl_onD2
thf(fact_984_refl__onD2,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( refl_on_term_a_b @ A3 @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
       => ( member_term_a_b @ Y @ A3 ) ) ) ).

% refl_onD2
thf(fact_985_refl__onD1,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat,X: product_prod_a_nat,Y: product_prod_a_nat] :
      ( ( refl_o8237544196271505854_a_nat @ A3 @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ X @ Y ) @ R3 )
       => ( member5724188588386418708_a_nat @ X @ A3 ) ) ) ).

% refl_onD1
thf(fact_986_refl__onD1,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b,X: produc357393685978478089rm_a_b,Y: produc357393685978478089rm_a_b] :
      ( ( refl_o5344404488616963464rm_a_b @ A3 @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ X @ Y ) @ R3 )
       => ( member5869715511025134514rm_a_b @ X @ A3 ) ) ) ).

% refl_onD1
thf(fact_987_refl__onD1,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b,X: term_a_b,Y: term_a_b] :
      ( ( refl_on_term_a_b @ A3 @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
       => ( member_term_a_b @ X @ A3 ) ) ) ).

% refl_onD1
thf(fact_988_refl__onD,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat,A: product_prod_a_nat] :
      ( ( refl_o8237544196271505854_a_nat @ A3 @ R3 )
     => ( ( member5724188588386418708_a_nat @ A @ A3 )
       => ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ A ) @ R3 ) ) ) ).

% refl_onD
thf(fact_989_refl__onD,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b,A: produc357393685978478089rm_a_b] :
      ( ( refl_o5344404488616963464rm_a_b @ A3 @ R3 )
     => ( ( member5869715511025134514rm_a_b @ A @ A3 )
       => ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ A ) @ R3 ) ) ) ).

% refl_onD
thf(fact_990_refl__onD,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b,A: term_a_b] :
      ( ( refl_on_term_a_b @ A3 @ R3 )
     => ( ( member_term_a_b @ A @ A3 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ A ) @ R3 ) ) ) ).

% refl_onD
thf(fact_991_bot__nat__0_Oextremum__strict,axiom,
    ! [A: nat] :
      ~ ( ord_less_nat @ A @ zero_zero_nat ) ).

% bot_nat_0.extremum_strict
thf(fact_992_gr0I,axiom,
    ! [N: nat] :
      ( ( N != zero_zero_nat )
     => ( ord_less_nat @ zero_zero_nat @ N ) ) ).

% gr0I
thf(fact_993_not__gr0,axiom,
    ! [N: nat] :
      ( ( ~ ( ord_less_nat @ zero_zero_nat @ N ) )
      = ( N = zero_zero_nat ) ) ).

% not_gr0
thf(fact_994_not__less0,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ zero_zero_nat ) ).

% not_less0
thf(fact_995_less__zeroE,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ zero_zero_nat ) ).

% less_zeroE
thf(fact_996_gr__implies__not0,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( N != zero_zero_nat ) ) ).

% gr_implies_not0
thf(fact_997_infinite__descent0,axiom,
    ! [P2: nat > $o,N: nat] :
      ( ( P2 @ zero_zero_nat )
     => ( ! [N3: nat] :
            ( ( ord_less_nat @ zero_zero_nat @ N3 )
           => ( ~ ( P2 @ N3 )
             => ? [M3: nat] :
                  ( ( ord_less_nat @ M3 @ N3 )
                  & ~ ( P2 @ M3 ) ) ) )
       => ( P2 @ N ) ) ) ).

% infinite_descent0
thf(fact_998_reflD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,A: term_a_b] :
      ( ( refl_on_term_a_b @ top_top_set_term_a_b @ R3 )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ A ) @ R3 ) ) ).

% reflD
thf(fact_999_reflI,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: term_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ R3 )
     => ( refl_on_term_a_b @ top_top_set_term_a_b @ R3 ) ) ).

% reflI
thf(fact_1000_refl__rtrancl,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b] : ( refl_on_term_a_b @ top_top_set_term_a_b @ ( transi7742714808557438673rm_a_b @ R3 ) ) ).

% refl_rtrancl
thf(fact_1001_list_Osize_I3_J,axiom,
    ( ( size_s8906293707977694520rm_a_b @ nil_term_a_b )
    = zero_zero_nat ) ).

% list.size(3)
thf(fact_1002_ex__least__nat__le,axiom,
    ! [P2: nat > $o,N: nat] :
      ( ( P2 @ N )
     => ( ~ ( P2 @ zero_zero_nat )
       => ? [K2: nat] :
            ( ( ord_less_eq_nat @ K2 @ N )
            & ! [I: nat] :
                ( ( ord_less_nat @ I @ K2 )
               => ~ ( P2 @ I ) )
            & ( P2 @ K2 ) ) ) ) ).

% ex_least_nat_le
thf(fact_1003_relpow__0__I,axiom,
    ! [X: term_a_b,R2: set_Pr4386577575007340137rm_a_b] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ X ) @ ( compow4057154403645558940rm_a_b @ zero_zero_nat @ R2 ) ) ).

% relpow_0_I
thf(fact_1004_relpow__0__E,axiom,
    ! [X: term_a_b,Y: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ zero_zero_nat @ R2 ) )
     => ( X = Y ) ) ).

% relpow_0_E
thf(fact_1005_length__pos__if__in__set,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ( ord_less_nat @ zero_zero_nat @ ( size_s984997627204368545_a_nat @ Xs ) ) ) ).

% length_pos_if_in_set
thf(fact_1006_length__pos__if__in__set,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ( ord_less_nat @ zero_zero_nat @ ( size_s8600120110137556219rm_a_b @ Xs ) ) ) ).

% length_pos_if_in_set
thf(fact_1007_length__pos__if__in__set,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ( ord_less_nat @ zero_zero_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) ) ) ).

% length_pos_if_in_set
thf(fact_1008_trancl__power,axiom,
    ! [P: produc357393685978478089rm_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ P @ ( transi7922773638565587891rm_a_b @ R2 ) )
      = ( ? [N2: nat] :
            ( ( ord_less_nat @ zero_zero_nat @ N2 )
            & ( member5869715511025134514rm_a_b @ P @ ( compow4057154403645558940rm_a_b @ N2 @ R2 ) ) ) ) ) ).

% trancl_power
thf(fact_1009_measures__less,axiom,
    ! [F3: term_a_b > nat,X: term_a_b,Y: term_a_b,Fs: list_term_a_b_nat] :
      ( ( ord_less_nat @ ( F3 @ X ) @ ( F3 @ Y ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ ( cons_term_a_b_nat @ F3 @ Fs ) ) ) ) ).

% measures_less
thf(fact_1010_measures__lesseq,axiom,
    ! [F3: term_a_b > nat,X: term_a_b,Y: term_a_b,Fs: list_term_a_b_nat] :
      ( ( ord_less_eq_nat @ ( F3 @ X ) @ ( F3 @ Y ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ Fs ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( measures_term_a_b @ ( cons_term_a_b_nat @ F3 @ Fs ) ) ) ) ) ).

% measures_lesseq
thf(fact_1011_not__gr__zero,axiom,
    ! [N: nat] :
      ( ( ~ ( ord_less_nat @ zero_zero_nat @ N ) )
      = ( N = zero_zero_nat ) ) ).

% not_gr_zero
thf(fact_1012_le__zero__eq,axiom,
    ! [N: nat] :
      ( ( ord_less_eq_nat @ N @ zero_zero_nat )
      = ( N = zero_zero_nat ) ) ).

% le_zero_eq
thf(fact_1013_length__n__lists__elem,axiom,
    ! [Ys: list_term_a_b,N: nat,Xs: list_term_a_b] :
      ( ( member_list_term_a_b @ Ys @ ( set_list_term_a_b2 @ ( n_lists_term_a_b @ N @ Xs ) ) )
     => ( ( size_s8906293707977694520rm_a_b @ Ys )
        = N ) ) ).

% length_n_lists_elem
thf(fact_1014_zero__le,axiom,
    ! [X: nat] : ( ord_less_eq_nat @ zero_zero_nat @ X ) ).

% zero_le
thf(fact_1015_gr__zeroI,axiom,
    ! [N: nat] :
      ( ( N != zero_zero_nat )
     => ( ord_less_nat @ zero_zero_nat @ N ) ) ).

% gr_zeroI
thf(fact_1016_not__less__zero,axiom,
    ! [N: nat] :
      ~ ( ord_less_nat @ N @ zero_zero_nat ) ).

% not_less_zero
thf(fact_1017_gr__implies__not__zero,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( N != zero_zero_nat ) ) ).

% gr_implies_not_zero
thf(fact_1018_zero__less__iff__neq__zero,axiom,
    ! [N: nat] :
      ( ( ord_less_nat @ zero_zero_nat @ N )
      = ( N != zero_zero_nat ) ) ).

% zero_less_iff_neq_zero
thf(fact_1019_constT__nfunas__term__poss__of__term__empty,axiom,
    ! [C: a,T: term_a_b] :
      ( ( ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ C @ zero_zero_nat ) @ ( term_funas_term_a_b @ T ) ) )
      = ( ( terms_7168686267159881682rm_a_b @ ( fun_a_b @ C @ nil_term_a_b ) @ T )
        = bot_bot_set_list_nat ) ) ).

% constT_nfunas_term_poss_of_term_empty
thf(fact_1020_all__not__in__conv,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ( ! [X2: product_prod_a_nat] :
            ~ ( member5724188588386418708_a_nat @ X2 @ A3 ) )
      = ( A3 = bot_bo9049108969261143879_a_nat ) ) ).

% all_not_in_conv
thf(fact_1021_all__not__in__conv,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ! [X2: produc357393685978478089rm_a_b] :
            ~ ( member5869715511025134514rm_a_b @ X2 @ A3 ) )
      = ( A3 = bot_bo197521221353338581rm_a_b ) ) ).

% all_not_in_conv
thf(fact_1022_all__not__in__conv,axiom,
    ! [A3: set_term_a_b] :
      ( ( ! [X2: term_a_b] :
            ~ ( member_term_a_b @ X2 @ A3 ) )
      = ( A3 = bot_bot_set_term_a_b ) ) ).

% all_not_in_conv
thf(fact_1023_empty__iff,axiom,
    ! [C: product_prod_a_nat] :
      ~ ( member5724188588386418708_a_nat @ C @ bot_bo9049108969261143879_a_nat ) ).

% empty_iff
thf(fact_1024_empty__iff,axiom,
    ! [C: produc357393685978478089rm_a_b] :
      ~ ( member5869715511025134514rm_a_b @ C @ bot_bo197521221353338581rm_a_b ) ).

% empty_iff
thf(fact_1025_empty__iff,axiom,
    ! [C: term_a_b] :
      ~ ( member_term_a_b @ C @ bot_bot_set_term_a_b ) ).

% empty_iff
thf(fact_1026_subset__empty,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A3 @ bot_bo9049108969261143879_a_nat )
      = ( A3 = bot_bo9049108969261143879_a_nat ) ) ).

% subset_empty
thf(fact_1027_empty__subsetI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ bot_bo9049108969261143879_a_nat @ A3 ) ).

% empty_subsetI
thf(fact_1028_set__empty2,axiom,
    ! [Xs: list_term_a_b] :
      ( ( bot_bot_set_term_a_b
        = ( set_term_a_b2 @ Xs ) )
      = ( Xs = nil_term_a_b ) ) ).

% set_empty2
thf(fact_1029_set__empty,axiom,
    ! [Xs: list_term_a_b] :
      ( ( ( set_term_a_b2 @ Xs )
        = bot_bot_set_term_a_b )
      = ( Xs = nil_term_a_b ) ) ).

% set_empty
thf(fact_1030_empty__set,axiom,
    ( bot_bot_set_term_a_b
    = ( set_term_a_b2 @ nil_term_a_b ) ) ).

% empty_set
thf(fact_1031_ex__in__conv,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ( ? [X2: product_prod_a_nat] : ( member5724188588386418708_a_nat @ X2 @ A3 ) )
      = ( A3 != bot_bo9049108969261143879_a_nat ) ) ).

% ex_in_conv
thf(fact_1032_ex__in__conv,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ? [X2: produc357393685978478089rm_a_b] : ( member5869715511025134514rm_a_b @ X2 @ A3 ) )
      = ( A3 != bot_bo197521221353338581rm_a_b ) ) ).

% ex_in_conv
thf(fact_1033_ex__in__conv,axiom,
    ! [A3: set_term_a_b] :
      ( ( ? [X2: term_a_b] : ( member_term_a_b @ X2 @ A3 ) )
      = ( A3 != bot_bot_set_term_a_b ) ) ).

% ex_in_conv
thf(fact_1034_equals0I,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ! [Y2: product_prod_a_nat] :
          ~ ( member5724188588386418708_a_nat @ Y2 @ A3 )
     => ( A3 = bot_bo9049108969261143879_a_nat ) ) ).

% equals0I
thf(fact_1035_equals0I,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ! [Y2: produc357393685978478089rm_a_b] :
          ~ ( member5869715511025134514rm_a_b @ Y2 @ A3 )
     => ( A3 = bot_bo197521221353338581rm_a_b ) ) ).

% equals0I
thf(fact_1036_equals0I,axiom,
    ! [A3: set_term_a_b] :
      ( ! [Y2: term_a_b] :
          ~ ( member_term_a_b @ Y2 @ A3 )
     => ( A3 = bot_bot_set_term_a_b ) ) ).

% equals0I
thf(fact_1037_equals0D,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,A: product_prod_a_nat] :
      ( ( A3 = bot_bo9049108969261143879_a_nat )
     => ~ ( member5724188588386418708_a_nat @ A @ A3 ) ) ).

% equals0D
thf(fact_1038_equals0D,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,A: produc357393685978478089rm_a_b] :
      ( ( A3 = bot_bo197521221353338581rm_a_b )
     => ~ ( member5869715511025134514rm_a_b @ A @ A3 ) ) ).

% equals0D
thf(fact_1039_equals0D,axiom,
    ! [A3: set_term_a_b,A: term_a_b] :
      ( ( A3 = bot_bot_set_term_a_b )
     => ~ ( member_term_a_b @ A @ A3 ) ) ).

% equals0D
thf(fact_1040_emptyE,axiom,
    ! [A: product_prod_a_nat] :
      ~ ( member5724188588386418708_a_nat @ A @ bot_bo9049108969261143879_a_nat ) ).

% emptyE
thf(fact_1041_emptyE,axiom,
    ! [A: produc357393685978478089rm_a_b] :
      ~ ( member5869715511025134514rm_a_b @ A @ bot_bo197521221353338581rm_a_b ) ).

% emptyE
thf(fact_1042_emptyE,axiom,
    ! [A: term_a_b] :
      ~ ( member_term_a_b @ A @ bot_bot_set_term_a_b ) ).

% emptyE
thf(fact_1043_bot_Oextremum__strict,axiom,
    ! [A: nat] :
      ~ ( ord_less_nat @ A @ bot_bot_nat ) ).

% bot.extremum_strict
thf(fact_1044_bot_Onot__eq__extremum,axiom,
    ! [A: nat] :
      ( ( A != bot_bot_nat )
      = ( ord_less_nat @ bot_bot_nat @ A ) ) ).

% bot.not_eq_extremum
thf(fact_1045_bot_Oextremum__uniqueI,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ bot_bo9049108969261143879_a_nat )
     => ( A = bot_bo9049108969261143879_a_nat ) ) ).

% bot.extremum_uniqueI
thf(fact_1046_bot_Oextremum__uniqueI,axiom,
    ! [A: nat] :
      ( ( ord_less_eq_nat @ A @ bot_bot_nat )
     => ( A = bot_bot_nat ) ) ).

% bot.extremum_uniqueI
thf(fact_1047_bot_Oextremum__unique,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] :
      ( ( ord_le8666007276011122963_a_nat @ A @ bot_bo9049108969261143879_a_nat )
      = ( A = bot_bo9049108969261143879_a_nat ) ) ).

% bot.extremum_unique
thf(fact_1048_bot_Oextremum__unique,axiom,
    ! [A: nat] :
      ( ( ord_less_eq_nat @ A @ bot_bot_nat )
      = ( A = bot_bot_nat ) ) ).

% bot.extremum_unique
thf(fact_1049_bot_Oextremum,axiom,
    ! [A: set_Pr4934435412358123699_a_nat] : ( ord_le8666007276011122963_a_nat @ bot_bo9049108969261143879_a_nat @ A ) ).

% bot.extremum
thf(fact_1050_bot_Oextremum,axiom,
    ! [A: nat] : ( ord_less_eq_nat @ bot_bot_nat @ A ) ).

% bot.extremum
thf(fact_1051_refl__on__domain,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat,R3: set_Pr1811044260758604347_a_nat,A: product_prod_a_nat,B: product_prod_a_nat] :
      ( ( refl_o8237544196271505854_a_nat @ A3 @ R3 )
     => ( ( member9062615507155100804_a_nat @ ( produc2026711137822539155_a_nat @ A @ B ) @ R3 )
       => ( ( member5724188588386418708_a_nat @ A @ A3 )
          & ( member5724188588386418708_a_nat @ B @ A3 ) ) ) ) ).

% refl_on_domain
thf(fact_1052_refl__on__domain,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b,R3: set_Pr2972776593051762503rm_a_b,A: produc357393685978478089rm_a_b,B: produc357393685978478089rm_a_b] :
      ( ( refl_o5344404488616963464rm_a_b @ A3 @ R3 )
     => ( ( member8417600551952982416rm_a_b @ ( produc1763473618796451543rm_a_b @ A @ B ) @ R3 )
       => ( ( member5869715511025134514rm_a_b @ A @ A3 )
          & ( member5869715511025134514rm_a_b @ B @ A3 ) ) ) ) ).

% refl_on_domain
thf(fact_1053_refl__on__domain,axiom,
    ! [A3: set_term_a_b,R3: set_Pr4386577575007340137rm_a_b,A: term_a_b,B: term_a_b] :
      ( ( refl_on_term_a_b @ A3 @ R3 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ R3 )
       => ( ( member_term_a_b @ A @ A3 )
          & ( member_term_a_b @ B @ A3 ) ) ) ) ).

% refl_on_domain
thf(fact_1054_trancl__empty,axiom,
    ( ( transi7922773638565587891rm_a_b @ bot_bo197521221353338581rm_a_b )
    = bot_bo197521221353338581rm_a_b ) ).

% trancl_empty
thf(fact_1055_rtrancl__empty,axiom,
    ( ( transi7742714808557438673rm_a_b @ bot_bo197521221353338581rm_a_b )
    = id_term_a_b ) ).

% rtrancl_empty
thf(fact_1056_funas__term_Osimps_I1_J,axiom,
    ! [X: b] :
      ( ( term_funas_term_a_b @ ( var_b_a @ X ) )
      = bot_bo9049108969261143879_a_nat ) ).

% funas_term.simps(1)
thf(fact_1057_rtrancl__Un2__separatorE,axiom,
    ! [B4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ( relcom370159955682700863rm_a_b @ B4 @ A3 )
        = bot_bo197521221353338581rm_a_b )
     => ( ( transi7742714808557438673rm_a_b @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
        = ( sup_su6776935440552674877rm_a_b @ ( transi7742714808557438673rm_a_b @ A3 ) @ ( relcom370159955682700863rm_a_b @ ( transi7742714808557438673rm_a_b @ A3 ) @ ( transi7742714808557438673rm_a_b @ B4 ) ) ) ) ) ).

% rtrancl_Un2_separatorE
thf(fact_1058_trancl__Un2__separatorE,axiom,
    ! [B4: set_Pr4386577575007340137rm_a_b,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( ( relcom370159955682700863rm_a_b @ B4 @ A3 )
        = bot_bo197521221353338581rm_a_b )
     => ( ( transi7922773638565587891rm_a_b @ ( sup_su6776935440552674877rm_a_b @ A3 @ B4 ) )
        = ( sup_su6776935440552674877rm_a_b @ ( sup_su6776935440552674877rm_a_b @ ( transi7922773638565587891rm_a_b @ A3 ) @ ( relcom370159955682700863rm_a_b @ ( transi7922773638565587891rm_a_b @ A3 ) @ ( transi7922773638565587891rm_a_b @ B4 ) ) ) @ ( transi7922773638565587891rm_a_b @ B4 ) ) ) ) ).

% trancl_Un2_separatorE
thf(fact_1059_subset__emptyI,axiom,
    ! [A3: set_Pr4386577575007340137rm_a_b] :
      ( ! [X3: produc357393685978478089rm_a_b] :
          ~ ( member5869715511025134514rm_a_b @ X3 @ A3 )
     => ( ord_le118470702582115849rm_a_b @ A3 @ bot_bo197521221353338581rm_a_b ) ) ).

% subset_emptyI
thf(fact_1060_subset__emptyI,axiom,
    ! [A3: set_term_a_b] :
      ( ! [X3: term_a_b] :
          ~ ( member_term_a_b @ X3 @ A3 )
     => ( ord_le2705286416250468010rm_a_b @ A3 @ bot_bot_set_term_a_b ) ) ).

% subset_emptyI
thf(fact_1061_subset__emptyI,axiom,
    ! [A3: set_Pr4934435412358123699_a_nat] :
      ( ! [X3: product_prod_a_nat] :
          ~ ( member5724188588386418708_a_nat @ X3 @ A3 )
     => ( ord_le8666007276011122963_a_nat @ A3 @ bot_bo9049108969261143879_a_nat ) ) ).

% subset_emptyI
thf(fact_1062_less__numeral__extra_I3_J,axiom,
    ~ ( ord_less_nat @ zero_zero_nat @ zero_zero_nat ) ).

% less_numeral_extra(3)
thf(fact_1063_ssubst__Pair__rhs,axiom,
    ! [R3: a,S: nat,R2: set_Pr4934435412358123699_a_nat,S5: nat] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ R3 @ S ) @ R2 )
     => ( ( S5 = S )
       => ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ R3 @ S5 ) @ R2 ) ) ) ).

% ssubst_Pair_rhs
thf(fact_1064_ssubst__Pair__rhs,axiom,
    ! [R3: term_a_b,S: term_a_b,R2: set_Pr4386577575007340137rm_a_b,S5: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ R3 @ S ) @ R2 )
     => ( ( S5 = S )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ R3 @ S5 ) @ R2 ) ) ) ).

% ssubst_Pair_rhs
thf(fact_1065_le__numeral__extra_I3_J,axiom,
    ord_less_eq_nat @ zero_zero_nat @ zero_zero_nat ).

% le_numeral_extra(3)
thf(fact_1066_depth_Osimps_I2_J,axiom,
    ! [F3: a] :
      ( ( term_depth_a_b @ ( fun_a_b @ F3 @ nil_term_a_b ) )
      = zero_zero_nat ) ).

% depth.simps(2)
thf(fact_1067_poss__Cons__poss,axiom,
    ! [I4: nat,Q3: list_nat,T: term_a_b] :
      ( ( member_list_nat @ ( cons_nat @ I4 @ Q3 ) @ ( term_poss_a_b @ T ) )
      = ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ ( args_a_b @ T ) ) )
        & ( member_list_nat @ Q3 @ ( term_poss_a_b @ ( nth_term_a_b @ ( args_a_b @ T ) @ I4 ) ) ) ) ) ).

% poss_Cons_poss
thf(fact_1068_funas__term__replace__at__lower,axiom,
    ! [P: list_nat,S: term_a_b,T: term_a_b] :
      ( ( member_list_nat @ P @ ( term_poss_a_b @ S ) )
     => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ T ) @ ( term_funas_term_a_b @ ( term_r6860082780075436317at_a_b @ S @ P @ T ) ) ) ) ).

% funas_term_replace_at_lower
thf(fact_1069_funas__term__subt__at,axiom,
    ! [F3: a,N: nat,T: term_a_b] :
      ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F3 @ N ) @ ( term_funas_term_a_b @ T ) )
     => ? [P6: list_nat,Ts: list_term_a_b] :
          ( ( member_list_nat @ P6 @ ( term_poss_a_b @ T ) )
          & ( ( term_subt_at_a_b @ T @ P6 )
            = ( fun_a_b @ F3 @ Ts ) )
          & ( ( size_s8906293707977694520rm_a_b @ Ts )
            = N ) ) ) ).

% funas_term_subt_at
thf(fact_1070_pos__replace__to__rstep,axiom,
    ! [P: list_nat,S: term_a_b,L: term_a_b,R3: term_a_b,R: set_Pr4386577575007340137rm_a_b,Sigma: b > term_a_b,T: term_a_b] :
      ( ( member_list_nat @ P @ ( term_poss_a_b @ S ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L @ R3 ) @ R )
       => ( ( ( term_subt_at_a_b @ S @ P )
            = ( subst_7999470309526761004_a_b_b @ L @ Sigma ) )
         => ( ( T
              = ( term_r6860082780075436317at_a_b @ S @ P @ ( subst_7999470309526761004_a_b_b @ R3 @ Sigma ) ) )
           => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) ) ) ) ) ) ).

% pos_replace_to_rstep
thf(fact_1071_funas__term__subterm__atI,axiom,
    ! [P: list_nat,S: term_a_b,F2: set_Pr4934435412358123699_a_nat] :
      ( ( member_list_nat @ P @ ( term_poss_a_b @ S ) )
     => ( ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ S ) @ F2 )
       => ( ord_le8666007276011122963_a_nat @ ( term_funas_term_a_b @ ( term_subt_at_a_b @ S @ P ) ) @ F2 ) ) ) ).

% funas_term_subterm_atI
thf(fact_1072_subt__at_Osimps_I2_J,axiom,
    ! [F3: a,Ss2: list_term_a_b,I4: nat,P: list_nat] :
      ( ( term_subt_at_a_b @ ( fun_a_b @ F3 @ Ss2 ) @ ( cons_nat @ I4 @ P ) )
      = ( term_subt_at_a_b @ ( nth_term_a_b @ Ss2 @ I4 ) @ P ) ) ).

% subt_at.simps(2)
thf(fact_1073_rstep__to__pos__replace,axiom,
    ! [S: term_a_b,T: term_a_b,R: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( rstep_a_b @ R ) )
     => ? [P6: list_nat,L3: term_a_b,R9: term_a_b,Sigma2: b > term_a_b] :
          ( ( member_list_nat @ P6 @ ( term_poss_a_b @ S ) )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ L3 @ R9 ) @ R )
          & ( ( term_subt_at_a_b @ S @ P6 )
            = ( subst_7999470309526761004_a_b_b @ L3 @ Sigma2 ) )
          & ( T
            = ( term_r6860082780075436317at_a_b @ S @ P6 @ ( subst_7999470309526761004_a_b_b @ R9 @ Sigma2 ) ) ) ) ) ).

% rstep_to_pos_replace
thf(fact_1074_subt__at_Oelims,axiom,
    ! [X: term_a_b,Xa: list_nat,Y: term_a_b] :
      ( ( ( term_subt_at_a_b @ X @ Xa )
        = Y )
     => ( ( ( Xa = nil_nat )
         => ( Y != X ) )
       => ( ! [F: a,Ss: list_term_a_b] :
              ( ( X
                = ( fun_a_b @ F @ Ss ) )
             => ! [I3: nat,P6: list_nat] :
                  ( ( Xa
                    = ( cons_nat @ I3 @ P6 ) )
                 => ( Y
                   != ( term_subt_at_a_b @ ( nth_term_a_b @ Ss @ I3 ) @ P6 ) ) ) )
         => ~ ( ? [X3: b] :
                  ( X
                  = ( var_b_a @ X3 ) )
             => ( ? [V2: nat,Va: list_nat] :
                    ( Xa
                    = ( cons_nat @ V2 @ Va ) )
               => ( Y != undefined_term_a_b ) ) ) ) ) ) ).

% subt_at.elims
thf(fact_1075_subt__at__subterm,axiom,
    ! [P: list_nat,T: term_a_b] :
      ( ( member_list_nat @ P @ ( term_poss_a_b @ T ) )
     => ( ( P != nil_nat )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ ( term_subt_at_a_b @ T @ P ) ) @ subterm_and_supt_a_b ) ) ) ).

% subt_at_subterm
thf(fact_1076_supt__subst,axiom,
    ! [S: term_a_b,T: term_a_b,Sigma: b > term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( subst_7999470309526761004_a_b_b @ S @ Sigma ) @ ( subst_7999470309526761004_a_b_b @ T @ Sigma ) ) @ subterm_and_supt_a_b ) ) ).

% supt_subst
thf(fact_1077_subterm_Oless__asym,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ subterm_and_supt_a_b ) ) ).

% subterm.less_asym
thf(fact_1078_subterm_Oless__asym_H,axiom,
    ! [B: term_a_b,A: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ subterm_and_supt_a_b ) ) ).

% subterm.less_asym'
thf(fact_1079_subterm_Oless__trans,axiom,
    ! [Y: term_a_b,X: term_a_b,Z2: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z2 @ Y ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Z2 @ X ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.less_trans
thf(fact_1080_subterm_Oorder_Oasym,axiom,
    ! [B: term_a_b,A: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ subterm_and_supt_a_b ) ) ).

% subterm.order.asym
thf(fact_1081_subterm_Oless__irrefl,axiom,
    ! [X: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ X ) @ subterm_and_supt_a_b ) ).

% subterm.less_irrefl
thf(fact_1082_subterm_Oless__imp__neq,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ( X != Y ) ) ).

% subterm.less_imp_neq
thf(fact_1083_subterm_Oless__not__sym,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ subterm_and_supt_a_b ) ) ).

% subterm.less_not_sym
thf(fact_1084_subterm_Oless__imp__triv,axiom,
    ! [Y: term_a_b,X: term_a_b,P2: $o] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ subterm_and_supt_a_b )
       => P2 ) ) ).

% subterm.less_imp_triv
thf(fact_1085_subterm_Odual__order_Oasym,axiom,
    ! [A: term_a_b,B: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b ) ) ).

% subterm.dual_order.asym
thf(fact_1086_subterm_Oless__imp__not__eq,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ( X != Y ) ) ).

% subterm.less_imp_not_eq
thf(fact_1087_subterm_Oless__imp__not__eq2,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ( Y != X ) ) ).

% subterm.less_imp_not_eq2
thf(fact_1088_subterm_Odual__order_Oirrefl,axiom,
    ! [A: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ A ) @ subterm_and_supt_a_b ) ).

% subterm.dual_order.irrefl
thf(fact_1089_subterm_Oless__imp__not__less,axiom,
    ! [Y: term_a_b,X: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ X ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ subterm_and_supt_a_b ) ) ).

% subterm.less_imp_not_less
thf(fact_1090_subterm_Oord__eq__less__trans,axiom,
    ! [A: term_a_b,B: term_a_b,C: term_a_b] :
      ( ( A = B )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C @ B ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C @ A ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.ord_eq_less_trans
thf(fact_1091_subterm_Oord__less__eq__trans,axiom,
    ! [B: term_a_b,A: term_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b )
     => ( ( B = C )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C @ A ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.ord_less_eq_trans
thf(fact_1092_subterm_Oorder_Ostrict__trans,axiom,
    ! [B: term_a_b,A: term_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C @ B ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ C @ A ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.order.strict_trans
thf(fact_1093_subterm_Odual__order_Ostrict__trans,axiom,
    ! [A: term_a_b,B: term_a_b,C: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ C ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ C ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.dual_order.strict_trans
thf(fact_1094_subterm_Oorder_Ostrict__implies__not__eq,axiom,
    ! [B: term_a_b,A: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ B @ A ) @ subterm_and_supt_a_b )
     => ( A != B ) ) ).

% subterm.order.strict_implies_not_eq
thf(fact_1095_subterm_Odual__order_Ostrict__implies__not__eq,axiom,
    ! [A: term_a_b,B: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ subterm_and_supt_a_b )
     => ( A != B ) ) ).

% subterm.dual_order.strict_implies_not_eq
thf(fact_1096_supt__neqD,axiom,
    ! [S: term_a_b,T: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
     => ( S != T ) ) ).

% supt_neqD
thf(fact_1097_supt__trans,axiom,
    ! [S: term_a_b,T: term_a_b,U: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ U ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ U ) @ subterm_and_supt_a_b ) ) ) ).

% supt_trans
thf(fact_1098_supt__irrefl,axiom,
    ! [T: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ T ) @ subterm_and_supt_a_b ) ).

% supt_irrefl
thf(fact_1099_supt__not__sym,axiom,
    ! [S: term_a_b,T: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
     => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ S ) @ subterm_and_supt_a_b ) ) ).

% supt_not_sym
thf(fact_1100_supt__not__refl,axiom,
    ! [T: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T @ T ) @ subterm_and_supt_a_b ) ).

% supt_not_refl
thf(fact_1101_subterm__induct,axiom,
    ! [P2: term_a_b > $o,T: term_a_b] :
      ( ! [T2: term_a_b] :
          ( ! [S7: term_a_b] :
              ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ T2 @ S7 ) @ subterm_and_supt_a_b )
             => ( P2 @ S7 ) )
         => ( P2 @ T2 ) )
     => ( P2 @ T ) ) ).

% subterm_induct
thf(fact_1102_Var__supt,axiom,
    ! [X: b,T: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( var_b_a @ X ) @ T ) @ subterm_and_supt_a_b ) ).

% Var_supt
thf(fact_1103_supt__var,axiom,
    ! [X: b,U: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( var_b_a @ X ) @ U ) @ subterm_and_supt_a_b ) ).

% supt_var
thf(fact_1104_supt__Fun,axiom,
    ! [S: term_a_b,F3: a,Ss2: list_term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ ( fun_a_b @ F3 @ Ss2 ) ) @ subterm_and_supt_a_b )
     => ~ ( member_term_a_b @ S @ ( set_term_a_b2 @ Ss2 ) ) ) ).

% supt_Fun
thf(fact_1105_supt_Osimps,axiom,
    ! [A1: term_a_b,A22: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ subterm_and_supt_a_b )
      = ( ? [S6: term_a_b,Ss3: list_term_a_b,F6: a] :
            ( ( A1
              = ( fun_a_b @ F6 @ Ss3 ) )
            & ( A22 = S6 )
            & ( member_term_a_b @ S6 @ ( set_term_a_b2 @ Ss3 ) ) )
        | ? [S6: term_a_b,Ss3: list_term_a_b,T3: term_a_b,F6: a] :
            ( ( A1
              = ( fun_a_b @ F6 @ Ss3 ) )
            & ( A22 = T3 )
            & ( member_term_a_b @ S6 @ ( set_term_a_b2 @ Ss3 ) )
            & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S6 @ T3 ) @ subterm_and_supt_a_b ) ) ) ) ).

% supt.simps
thf(fact_1106_supt_Ocases,axiom,
    ! [A1: term_a_b,A22: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A1 @ A22 ) @ subterm_and_supt_a_b )
     => ( ! [S4: term_a_b,Ss: list_term_a_b] :
            ( ? [F: a] :
                ( A1
                = ( fun_a_b @ F @ Ss ) )
           => ( ( A22 = S4 )
             => ~ ( member_term_a_b @ S4 @ ( set_term_a_b2 @ Ss ) ) ) )
       => ~ ! [S4: term_a_b,Ss: list_term_a_b] :
              ( ? [F: a] :
                  ( A1
                  = ( fun_a_b @ F @ Ss ) )
             => ( ( member_term_a_b @ S4 @ ( set_term_a_b2 @ Ss ) )
               => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S4 @ A22 ) @ subterm_and_supt_a_b ) ) ) ) ) ).

% supt.cases
thf(fact_1107_supt_Osubt,axiom,
    ! [S: term_a_b,Ss2: list_term_a_b,T: term_a_b,F3: a] :
      ( ( member_term_a_b @ S @ ( set_term_a_b2 @ Ss2 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ F3 @ Ss2 ) @ T ) @ subterm_and_supt_a_b ) ) ) ).

% supt.subt
thf(fact_1108_supt_Oarg,axiom,
    ! [S: term_a_b,Ss2: list_term_a_b,F3: a] :
      ( ( member_term_a_b @ S @ ( set_term_a_b2 @ Ss2 ) )
     => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ F3 @ Ss2 ) @ S ) @ subterm_and_supt_a_b ) ) ).

% supt.arg
thf(fact_1109_supt__const,axiom,
    ! [F3: a,U: term_a_b] :
      ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( fun_a_b @ F3 @ nil_term_a_b ) @ U ) @ subterm_and_supt_a_b ) ).

% supt_const
thf(fact_1110_supt__size,axiom,
    ! [S: term_a_b,T: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ subterm_and_supt_a_b )
     => ( ord_less_nat @ ( size_size_term_a_b @ T ) @ ( size_size_term_a_b @ S ) ) ) ).

% supt_size
thf(fact_1111_subt__at_Opelims,axiom,
    ! [X: term_a_b,Xa: list_nat,Y: term_a_b] :
      ( ( ( term_subt_at_a_b @ X @ Xa )
        = Y )
     => ( ( accp_P682940083893826398st_nat @ term_subt_at_rel_a_b @ ( produc4563063199488751885st_nat @ X @ Xa ) )
       => ( ( ( Xa = nil_nat )
           => ( ( Y = X )
             => ~ ( accp_P682940083893826398st_nat @ term_subt_at_rel_a_b @ ( produc4563063199488751885st_nat @ X @ nil_nat ) ) ) )
         => ( ! [F: a,Ss: list_term_a_b] :
                ( ( X
                  = ( fun_a_b @ F @ Ss ) )
               => ! [I3: nat,P6: list_nat] :
                    ( ( Xa
                      = ( cons_nat @ I3 @ P6 ) )
                   => ( ( Y
                        = ( term_subt_at_a_b @ ( nth_term_a_b @ Ss @ I3 ) @ P6 ) )
                     => ~ ( accp_P682940083893826398st_nat @ term_subt_at_rel_a_b @ ( produc4563063199488751885st_nat @ ( fun_a_b @ F @ Ss ) @ ( cons_nat @ I3 @ P6 ) ) ) ) ) )
           => ~ ! [X3: b] :
                  ( ( X
                    = ( var_b_a @ X3 ) )
                 => ! [V2: nat,Va: list_nat] :
                      ( ( Xa
                        = ( cons_nat @ V2 @ Va ) )
                     => ( ( Y = undefined_term_a_b )
                       => ~ ( accp_P682940083893826398st_nat @ term_subt_at_rel_a_b @ ( produc4563063199488751885st_nat @ ( var_b_a @ X3 ) @ ( cons_nat @ V2 @ Va ) ) ) ) ) ) ) ) ) ) ).

% subt_at.pelims
thf(fact_1112_list__inter_Oelims,axiom,
    ! [X: list_P3592885314253461005_a_nat,Xa: list_P3592885314253461005_a_nat,Y: list_P3592885314253461005_a_nat] :
      ( ( ( missin2021864273562616452_a_nat @ X @ Xa )
        = Y )
     => ( ( ( X = nil_Pr7402525243500994295_a_nat )
         => ( Y != nil_Pr7402525243500994295_a_nat ) )
       => ~ ! [A2: product_prod_a_nat,As2: list_P3592885314253461005_a_nat] :
              ( ( X
                = ( cons_P5205166803686508359_a_nat @ A2 @ As2 ) )
             => ~ ( ( ( member5724188588386418708_a_nat @ A2 @ ( set_Pr924983374503034536_a_nat @ Xa ) )
                   => ( Y
                      = ( cons_P5205166803686508359_a_nat @ A2 @ ( missin2021864273562616452_a_nat @ As2 @ Xa ) ) ) )
                  & ( ~ ( member5724188588386418708_a_nat @ A2 @ ( set_Pr924983374503034536_a_nat @ Xa ) )
                   => ( Y
                      = ( missin2021864273562616452_a_nat @ As2 @ Xa ) ) ) ) ) ) ) ).

% list_inter.elims
thf(fact_1113_list__inter_Oelims,axiom,
    ! [X: list_P8875379029341186191rm_a_b,Xa: list_P8875379029341186191rm_a_b,Y: list_P8875379029341186191rm_a_b] :
      ( ( ( missin3381965633867963714rm_a_b @ X @ Xa )
        = Y )
     => ( ( ( X = nil_Pr6942174756412032271rm_a_b )
         => ( Y != nil_Pr6942174756412032271rm_a_b ) )
       => ~ ! [A2: produc357393685978478089rm_a_b,As2: list_P8875379029341186191rm_a_b] :
              ( ( X
                = ( cons_P3536305108106557631rm_a_b @ A2 @ As2 ) )
             => ~ ( ( ( member5869715511025134514rm_a_b @ A2 @ ( set_Pr2370880052973118494rm_a_b @ Xa ) )
                   => ( Y
                      = ( cons_P3536305108106557631rm_a_b @ A2 @ ( missin3381965633867963714rm_a_b @ As2 @ Xa ) ) ) )
                  & ( ~ ( member5869715511025134514rm_a_b @ A2 @ ( set_Pr2370880052973118494rm_a_b @ Xa ) )
                   => ( Y
                      = ( missin3381965633867963714rm_a_b @ As2 @ Xa ) ) ) ) ) ) ) ).

% list_inter.elims
thf(fact_1114_list__inter_Oelims,axiom,
    ! [X: list_term_a_b,Xa: list_term_a_b,Y: list_term_a_b] :
      ( ( ( missin8990008842131906971rm_a_b @ X @ Xa )
        = Y )
     => ( ( ( X = nil_term_a_b )
         => ( Y != nil_term_a_b ) )
       => ~ ! [A2: term_a_b,As2: list_term_a_b] :
              ( ( X
                = ( cons_term_a_b @ A2 @ As2 ) )
             => ~ ( ( ( member_term_a_b @ A2 @ ( set_term_a_b2 @ Xa ) )
                   => ( Y
                      = ( cons_term_a_b @ A2 @ ( missin8990008842131906971rm_a_b @ As2 @ Xa ) ) ) )
                  & ( ~ ( member_term_a_b @ A2 @ ( set_term_a_b2 @ Xa ) )
                   => ( Y
                      = ( missin8990008842131906971rm_a_b @ As2 @ Xa ) ) ) ) ) ) ) ).

% list_inter.elims
thf(fact_1115_length__code,axiom,
    ( size_s8906293707977694520rm_a_b
    = ( gen_length_term_a_b @ zero_zero_nat ) ) ).

% length_code
thf(fact_1116_list__inter_Osimps_I2_J,axiom,
    ! [A: product_prod_a_nat,Bs: list_P3592885314253461005_a_nat,As: list_P3592885314253461005_a_nat] :
      ( ( ( member5724188588386418708_a_nat @ A @ ( set_Pr924983374503034536_a_nat @ Bs ) )
       => ( ( missin2021864273562616452_a_nat @ ( cons_P5205166803686508359_a_nat @ A @ As ) @ Bs )
          = ( cons_P5205166803686508359_a_nat @ A @ ( missin2021864273562616452_a_nat @ As @ Bs ) ) ) )
      & ( ~ ( member5724188588386418708_a_nat @ A @ ( set_Pr924983374503034536_a_nat @ Bs ) )
       => ( ( missin2021864273562616452_a_nat @ ( cons_P5205166803686508359_a_nat @ A @ As ) @ Bs )
          = ( missin2021864273562616452_a_nat @ As @ Bs ) ) ) ) ).

% list_inter.simps(2)
thf(fact_1117_list__inter_Osimps_I2_J,axiom,
    ! [A: produc357393685978478089rm_a_b,Bs: list_P8875379029341186191rm_a_b,As: list_P8875379029341186191rm_a_b] :
      ( ( ( member5869715511025134514rm_a_b @ A @ ( set_Pr2370880052973118494rm_a_b @ Bs ) )
       => ( ( missin3381965633867963714rm_a_b @ ( cons_P3536305108106557631rm_a_b @ A @ As ) @ Bs )
          = ( cons_P3536305108106557631rm_a_b @ A @ ( missin3381965633867963714rm_a_b @ As @ Bs ) ) ) )
      & ( ~ ( member5869715511025134514rm_a_b @ A @ ( set_Pr2370880052973118494rm_a_b @ Bs ) )
       => ( ( missin3381965633867963714rm_a_b @ ( cons_P3536305108106557631rm_a_b @ A @ As ) @ Bs )
          = ( missin3381965633867963714rm_a_b @ As @ Bs ) ) ) ) ).

% list_inter.simps(2)
thf(fact_1118_list__inter_Osimps_I2_J,axiom,
    ! [A: term_a_b,Bs: list_term_a_b,As: list_term_a_b] :
      ( ( ( member_term_a_b @ A @ ( set_term_a_b2 @ Bs ) )
       => ( ( missin8990008842131906971rm_a_b @ ( cons_term_a_b @ A @ As ) @ Bs )
          = ( cons_term_a_b @ A @ ( missin8990008842131906971rm_a_b @ As @ Bs ) ) ) )
      & ( ~ ( member_term_a_b @ A @ ( set_term_a_b2 @ Bs ) )
       => ( ( missin8990008842131906971rm_a_b @ ( cons_term_a_b @ A @ As ) @ Bs )
          = ( missin8990008842131906971rm_a_b @ As @ Bs ) ) ) ) ).

% list_inter.simps(2)
thf(fact_1119_snoc__listrel1__snoc__iff,axiom,
    ! [Xs: list_term_a_b,X: term_a_b,Ys: list_term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ X @ nil_term_a_b ) ) @ ( append_term_a_b @ Ys @ ( cons_term_a_b @ Y @ nil_term_a_b ) ) ) @ ( listrel1_term_a_b @ R3 ) )
      = ( ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
          & ( X = Y ) )
        | ( ( Xs = Ys )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 ) ) ) ) ).

% snoc_listrel1_snoc_iff
thf(fact_1120_term__to__sig_Oelims,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Xa: b,Xb: term_a_b,Y: term_a_b] :
      ( ( ( terms_8519481630511763164ig_a_b @ X @ Xa @ Xb )
        = Y )
     => ( ! [X3: b] :
            ( ( Xb
              = ( var_b_a @ X3 ) )
           => ( Y
             != ( var_b_a @ X3 ) ) )
       => ~ ! [F: a,Ts: list_term_a_b] :
              ( ( Xb
                = ( fun_a_b @ F @ Ts ) )
             => ~ ( ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F @ ( size_s8906293707977694520rm_a_b @ Ts ) ) @ X )
                   => ( Y
                      = ( fun_a_b @ F @ ( map_te2328734355998148206rm_a_b @ ( terms_8519481630511763164ig_a_b @ X @ Xa ) @ Ts ) ) ) )
                  & ( ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F @ ( size_s8906293707977694520rm_a_b @ Ts ) ) @ X )
                   => ( Y
                      = ( var_b_a @ Xa ) ) ) ) ) ) ) ).

% term_to_sig.elims
thf(fact_1121_length__map,axiom,
    ! [F3: term_a_b > term_a_b,Xs: list_term_a_b] :
      ( ( size_s8906293707977694520rm_a_b @ ( map_te2328734355998148206rm_a_b @ F3 @ Xs ) )
      = ( size_s8906293707977694520rm_a_b @ Xs ) ) ).

% length_map
thf(fact_1122_append__eq__append__conv,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,Us: list_term_a_b,Vs: list_term_a_b] :
      ( ( ( ( size_s8906293707977694520rm_a_b @ Xs )
          = ( size_s8906293707977694520rm_a_b @ Ys ) )
        | ( ( size_s8906293707977694520rm_a_b @ Us )
          = ( size_s8906293707977694520rm_a_b @ Vs ) ) )
     => ( ( ( append_term_a_b @ Xs @ Us )
          = ( append_term_a_b @ Ys @ Vs ) )
        = ( ( Xs = Ys )
          & ( Us = Vs ) ) ) ) ).

% append_eq_append_conv
thf(fact_1123_set__append,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( set_term_a_b2 @ ( append_term_a_b @ Xs @ Ys ) )
      = ( sup_sup_set_term_a_b @ ( set_term_a_b2 @ Xs ) @ ( set_term_a_b2 @ Ys ) ) ) ).

% set_append
thf(fact_1124_nth__append__length,axiom,
    ! [Xs: list_term_a_b,X: term_a_b,Ys: list_term_a_b] :
      ( ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ X @ Ys ) ) @ ( size_s8906293707977694520rm_a_b @ Xs ) )
      = X ) ).

% nth_append_length
thf(fact_1125_nth__map,axiom,
    ! [N: nat,Xs: list_term_a_b,F3: term_a_b > term_a_b] :
      ( ( ord_less_nat @ N @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( map_te2328734355998148206rm_a_b @ F3 @ Xs ) @ N )
        = ( F3 @ ( nth_term_a_b @ Xs @ N ) ) ) ) ).

% nth_map
thf(fact_1126_list__update__length,axiom,
    ! [Xs: list_term_a_b,X: term_a_b,Ys: list_term_a_b,Y: term_a_b] :
      ( ( list_update_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ X @ Ys ) ) @ ( size_s8906293707977694520rm_a_b @ Xs ) @ Y )
      = ( append_term_a_b @ Xs @ ( cons_term_a_b @ Y @ Ys ) ) ) ).

% list_update_length
thf(fact_1127_list_Omap__ident__strong,axiom,
    ! [T: list_P3592885314253461005_a_nat,F3: product_prod_a_nat > product_prod_a_nat] :
      ( ! [Z: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ Z @ ( set_Pr924983374503034536_a_nat @ T ) )
         => ( ( F3 @ Z )
            = Z ) )
     => ( ( map_Pr6975357046622824128_a_nat @ F3 @ T )
        = T ) ) ).

% list.map_ident_strong
thf(fact_1128_list_Omap__ident__strong,axiom,
    ! [T: list_P8875379029341186191rm_a_b,F3: produc357393685978478089rm_a_b > produc357393685978478089rm_a_b] :
      ( ! [Z: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ Z @ ( set_Pr2370880052973118494rm_a_b @ T ) )
         => ( ( F3 @ Z )
            = Z ) )
     => ( ( map_Pr3281474655358167172rm_a_b @ F3 @ T )
        = T ) ) ).

% list.map_ident_strong
thf(fact_1129_list_Omap__ident__strong,axiom,
    ! [T: list_term_a_b,F3: term_a_b > term_a_b] :
      ( ! [Z: term_a_b] :
          ( ( member_term_a_b @ Z @ ( set_term_a_b2 @ T ) )
         => ( ( F3 @ Z )
            = Z ) )
     => ( ( map_te2328734355998148206rm_a_b @ F3 @ T )
        = T ) ) ).

% list.map_ident_strong
thf(fact_1130_map__idI,axiom,
    ! [Xs: list_P3592885314253461005_a_nat,F3: product_prod_a_nat > product_prod_a_nat] :
      ( ! [X3: product_prod_a_nat] :
          ( ( member5724188588386418708_a_nat @ X3 @ ( set_Pr924983374503034536_a_nat @ Xs ) )
         => ( ( F3 @ X3 )
            = X3 ) )
     => ( ( map_Pr6975357046622824128_a_nat @ F3 @ Xs )
        = Xs ) ) ).

% map_idI
thf(fact_1131_map__idI,axiom,
    ! [Xs: list_P8875379029341186191rm_a_b,F3: produc357393685978478089rm_a_b > produc357393685978478089rm_a_b] :
      ( ! [X3: produc357393685978478089rm_a_b] :
          ( ( member5869715511025134514rm_a_b @ X3 @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
         => ( ( F3 @ X3 )
            = X3 ) )
     => ( ( map_Pr3281474655358167172rm_a_b @ F3 @ Xs )
        = Xs ) ) ).

% map_idI
thf(fact_1132_map__idI,axiom,
    ! [Xs: list_term_a_b,F3: term_a_b > term_a_b] :
      ( ! [X3: term_a_b] :
          ( ( member_term_a_b @ X3 @ ( set_term_a_b2 @ Xs ) )
         => ( ( F3 @ X3 )
            = X3 ) )
     => ( ( map_te2328734355998148206rm_a_b @ F3 @ Xs )
        = Xs ) ) ).

% map_idI
thf(fact_1133_split__list,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ? [Ys4: list_P3592885314253461005_a_nat,Zs: list_P3592885314253461005_a_nat] :
          ( Xs
          = ( append7679239579558125090_a_nat @ Ys4 @ ( cons_P5205166803686508359_a_nat @ X @ Zs ) ) ) ) ).

% split_list
thf(fact_1134_split__list,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ? [Ys4: list_P8875379029341186191rm_a_b,Zs: list_P8875379029341186191rm_a_b] :
          ( Xs
          = ( append1152621114427393060rm_a_b @ Ys4 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs ) ) ) ) ).

% split_list
thf(fact_1135_split__list,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ? [Ys4: list_term_a_b,Zs: list_term_a_b] :
          ( Xs
          = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X @ Zs ) ) ) ) ).

% split_list
thf(fact_1136_split__list__last,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ? [Ys4: list_P3592885314253461005_a_nat,Zs: list_P3592885314253461005_a_nat] :
          ( ( Xs
            = ( append7679239579558125090_a_nat @ Ys4 @ ( cons_P5205166803686508359_a_nat @ X @ Zs ) ) )
          & ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Zs ) ) ) ) ).

% split_list_last
thf(fact_1137_split__list__last,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ? [Ys4: list_P8875379029341186191rm_a_b,Zs: list_P8875379029341186191rm_a_b] :
          ( ( Xs
            = ( append1152621114427393060rm_a_b @ Ys4 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs ) ) )
          & ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Zs ) ) ) ) ).

% split_list_last
thf(fact_1138_split__list__last,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ? [Ys4: list_term_a_b,Zs: list_term_a_b] :
          ( ( Xs
            = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X @ Zs ) ) )
          & ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Zs ) ) ) ) ).

% split_list_last
thf(fact_1139_split__list__prop,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ? [Ys4: list_term_a_b,X3: term_a_b] :
          ( ? [Zs: list_term_a_b] :
              ( Xs
              = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
          & ( P2 @ X3 ) ) ) ).

% split_list_prop
thf(fact_1140_split__list__first,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ? [Ys4: list_P3592885314253461005_a_nat,Zs: list_P3592885314253461005_a_nat] :
          ( ( Xs
            = ( append7679239579558125090_a_nat @ Ys4 @ ( cons_P5205166803686508359_a_nat @ X @ Zs ) ) )
          & ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Ys4 ) ) ) ) ).

% split_list_first
thf(fact_1141_split__list__first,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ? [Ys4: list_P8875379029341186191rm_a_b,Zs: list_P8875379029341186191rm_a_b] :
          ( ( Xs
            = ( append1152621114427393060rm_a_b @ Ys4 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs ) ) )
          & ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Ys4 ) ) ) ) ).

% split_list_first
thf(fact_1142_split__list__first,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ? [Ys4: list_term_a_b,Zs: list_term_a_b] :
          ( ( Xs
            = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X @ Zs ) ) )
          & ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Ys4 ) ) ) ) ).

% split_list_first
thf(fact_1143_split__list__propE,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ~ ! [Ys4: list_term_a_b,X3: term_a_b] :
            ( ? [Zs: list_term_a_b] :
                ( Xs
                = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
           => ~ ( P2 @ X3 ) ) ) ).

% split_list_propE
thf(fact_1144_append__Cons__eq__iff,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat,Ys: list_P3592885314253461005_a_nat,Xs4: list_P3592885314253461005_a_nat,Ys5: list_P3592885314253461005_a_nat] :
      ( ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
     => ( ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Ys ) )
       => ( ( ( append7679239579558125090_a_nat @ Xs @ ( cons_P5205166803686508359_a_nat @ X @ Ys ) )
            = ( append7679239579558125090_a_nat @ Xs4 @ ( cons_P5205166803686508359_a_nat @ X @ Ys5 ) ) )
          = ( ( Xs = Xs4 )
            & ( Ys = Ys5 ) ) ) ) ) ).

% append_Cons_eq_iff
thf(fact_1145_append__Cons__eq__iff,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b,Ys: list_P8875379029341186191rm_a_b,Xs4: list_P8875379029341186191rm_a_b,Ys5: list_P8875379029341186191rm_a_b] :
      ( ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
     => ( ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Ys ) )
       => ( ( ( append1152621114427393060rm_a_b @ Xs @ ( cons_P3536305108106557631rm_a_b @ X @ Ys ) )
            = ( append1152621114427393060rm_a_b @ Xs4 @ ( cons_P3536305108106557631rm_a_b @ X @ Ys5 ) ) )
          = ( ( Xs = Xs4 )
            & ( Ys = Ys5 ) ) ) ) ) ).

% append_Cons_eq_iff
thf(fact_1146_append__Cons__eq__iff,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,Ys: list_term_a_b,Xs4: list_term_a_b,Ys5: list_term_a_b] :
      ( ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
     => ( ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Ys ) )
       => ( ( ( append_term_a_b @ Xs @ ( cons_term_a_b @ X @ Ys ) )
            = ( append_term_a_b @ Xs4 @ ( cons_term_a_b @ X @ Ys5 ) ) )
          = ( ( Xs = Xs4 )
            & ( Ys = Ys5 ) ) ) ) ) ).

% append_Cons_eq_iff
thf(fact_1147_in__set__conv__decomp,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
      = ( ? [Ys3: list_P3592885314253461005_a_nat,Zs3: list_P3592885314253461005_a_nat] :
            ( Xs
            = ( append7679239579558125090_a_nat @ Ys3 @ ( cons_P5205166803686508359_a_nat @ X @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp
thf(fact_1148_in__set__conv__decomp,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
      = ( ? [Ys3: list_P8875379029341186191rm_a_b,Zs3: list_P8875379029341186191rm_a_b] :
            ( Xs
            = ( append1152621114427393060rm_a_b @ Ys3 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp
thf(fact_1149_in__set__conv__decomp,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
      = ( ? [Ys3: list_term_a_b,Zs3: list_term_a_b] :
            ( Xs
            = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ X @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp
thf(fact_1150_split__list__last__prop,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ? [Ys4: list_term_a_b,X3: term_a_b,Zs: list_term_a_b] :
          ( ( Xs
            = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
          & ( P2 @ X3 )
          & ! [Xa2: term_a_b] :
              ( ( member_term_a_b @ Xa2 @ ( set_term_a_b2 @ Zs ) )
             => ~ ( P2 @ Xa2 ) ) ) ) ).

% split_list_last_prop
thf(fact_1151_split__list__first__prop,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ? [Ys4: list_term_a_b,X3: term_a_b] :
          ( ? [Zs: list_term_a_b] :
              ( Xs
              = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
          & ( P2 @ X3 )
          & ! [Xa2: term_a_b] :
              ( ( member_term_a_b @ Xa2 @ ( set_term_a_b2 @ Ys4 ) )
             => ~ ( P2 @ Xa2 ) ) ) ) ).

% split_list_first_prop
thf(fact_1152_split__list__last__propE,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ~ ! [Ys4: list_term_a_b,X3: term_a_b,Zs: list_term_a_b] :
            ( ( Xs
              = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
           => ( ( P2 @ X3 )
             => ~ ! [Xa2: term_a_b] :
                    ( ( member_term_a_b @ Xa2 @ ( set_term_a_b2 @ Zs ) )
                   => ~ ( P2 @ Xa2 ) ) ) ) ) ).

% split_list_last_propE
thf(fact_1153_split__list__first__propE,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ? [X5: term_a_b] :
          ( ( member_term_a_b @ X5 @ ( set_term_a_b2 @ Xs ) )
          & ( P2 @ X5 ) )
     => ~ ! [Ys4: list_term_a_b,X3: term_a_b] :
            ( ? [Zs: list_term_a_b] :
                ( Xs
                = ( append_term_a_b @ Ys4 @ ( cons_term_a_b @ X3 @ Zs ) ) )
           => ( ( P2 @ X3 )
             => ~ ! [Xa2: term_a_b] :
                    ( ( member_term_a_b @ Xa2 @ ( set_term_a_b2 @ Ys4 ) )
                   => ~ ( P2 @ Xa2 ) ) ) ) ) ).

% split_list_first_propE
thf(fact_1154_in__set__conv__decomp__last,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
      = ( ? [Ys3: list_P3592885314253461005_a_nat,Zs3: list_P3592885314253461005_a_nat] :
            ( ( Xs
              = ( append7679239579558125090_a_nat @ Ys3 @ ( cons_P5205166803686508359_a_nat @ X @ Zs3 ) ) )
            & ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp_last
thf(fact_1155_in__set__conv__decomp__last,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
      = ( ? [Ys3: list_P8875379029341186191rm_a_b,Zs3: list_P8875379029341186191rm_a_b] :
            ( ( Xs
              = ( append1152621114427393060rm_a_b @ Ys3 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs3 ) ) )
            & ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp_last
thf(fact_1156_in__set__conv__decomp__last,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
      = ( ? [Ys3: list_term_a_b,Zs3: list_term_a_b] :
            ( ( Xs
              = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ X @ Zs3 ) ) )
            & ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Zs3 ) ) ) ) ) ).

% in_set_conv_decomp_last
thf(fact_1157_in__set__conv__decomp__first,axiom,
    ! [X: product_prod_a_nat,Xs: list_P3592885314253461005_a_nat] :
      ( ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Xs ) )
      = ( ? [Ys3: list_P3592885314253461005_a_nat,Zs3: list_P3592885314253461005_a_nat] :
            ( ( Xs
              = ( append7679239579558125090_a_nat @ Ys3 @ ( cons_P5205166803686508359_a_nat @ X @ Zs3 ) ) )
            & ~ ( member5724188588386418708_a_nat @ X @ ( set_Pr924983374503034536_a_nat @ Ys3 ) ) ) ) ) ).

% in_set_conv_decomp_first
thf(fact_1158_in__set__conv__decomp__first,axiom,
    ! [X: produc357393685978478089rm_a_b,Xs: list_P8875379029341186191rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Xs ) )
      = ( ? [Ys3: list_P8875379029341186191rm_a_b,Zs3: list_P8875379029341186191rm_a_b] :
            ( ( Xs
              = ( append1152621114427393060rm_a_b @ Ys3 @ ( cons_P3536305108106557631rm_a_b @ X @ Zs3 ) ) )
            & ~ ( member5869715511025134514rm_a_b @ X @ ( set_Pr2370880052973118494rm_a_b @ Ys3 ) ) ) ) ) ).

% in_set_conv_decomp_first
thf(fact_1159_in__set__conv__decomp__first,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( member_term_a_b @ X @ ( set_term_a_b2 @ Xs ) )
      = ( ? [Ys3: list_term_a_b,Zs3: list_term_a_b] :
            ( ( Xs
              = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ X @ Zs3 ) ) )
            & ~ ( member_term_a_b @ X @ ( set_term_a_b2 @ Ys3 ) ) ) ) ) ).

% in_set_conv_decomp_first
thf(fact_1160_split__list__last__prop__iff,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ( ? [X2: term_a_b] :
            ( ( member_term_a_b @ X2 @ ( set_term_a_b2 @ Xs ) )
            & ( P2 @ X2 ) ) )
      = ( ? [Ys3: list_term_a_b,X2: term_a_b,Zs3: list_term_a_b] :
            ( ( Xs
              = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ X2 @ Zs3 ) ) )
            & ( P2 @ X2 )
            & ! [Y4: term_a_b] :
                ( ( member_term_a_b @ Y4 @ ( set_term_a_b2 @ Zs3 ) )
               => ~ ( P2 @ Y4 ) ) ) ) ) ).

% split_list_last_prop_iff
thf(fact_1161_split__list__first__prop__iff,axiom,
    ! [Xs: list_term_a_b,P2: term_a_b > $o] :
      ( ( ? [X2: term_a_b] :
            ( ( member_term_a_b @ X2 @ ( set_term_a_b2 @ Xs ) )
            & ( P2 @ X2 ) ) )
      = ( ? [Ys3: list_term_a_b,X2: term_a_b] :
            ( ? [Zs3: list_term_a_b] :
                ( Xs
                = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ X2 @ Zs3 ) ) )
            & ( P2 @ X2 )
            & ! [Y4: term_a_b] :
                ( ( member_term_a_b @ Y4 @ ( set_term_a_b2 @ Ys3 ) )
               => ~ ( P2 @ Y4 ) ) ) ) ) ).

% split_list_first_prop_iff
thf(fact_1162_map__nth__eq__conv,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,F3: term_a_b > term_a_b] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( size_s8906293707977694520rm_a_b @ Ys ) )
     => ( ( ( map_te2328734355998148206rm_a_b @ F3 @ Xs )
          = Ys )
        = ( ! [I2: nat] :
              ( ( ord_less_nat @ I2 @ ( size_s8906293707977694520rm_a_b @ Ys ) )
             => ( ( F3 @ ( nth_term_a_b @ Xs @ I2 ) )
                = ( nth_term_a_b @ Ys @ I2 ) ) ) ) ) ) ).

% map_nth_eq_conv
thf(fact_1163_same__length__different,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( Xs != Ys )
     => ( ( ( size_s8906293707977694520rm_a_b @ Xs )
          = ( size_s8906293707977694520rm_a_b @ Ys ) )
       => ? [Pre: list_term_a_b,X3: term_a_b,Xs5: list_term_a_b,Y2: term_a_b,Ys6: list_term_a_b] :
            ( ( X3 != Y2 )
            & ( Xs
              = ( append_term_a_b @ Pre @ ( append_term_a_b @ ( cons_term_a_b @ X3 @ nil_term_a_b ) @ Xs5 ) ) )
            & ( Ys
              = ( append_term_a_b @ Pre @ ( append_term_a_b @ ( cons_term_a_b @ Y2 @ nil_term_a_b ) @ Ys6 ) ) ) ) ) ) ).

% same_length_different
thf(fact_1164_append__Cons__nth__not__middle,axiom,
    ! [I4: nat,Xs: list_term_a_b,U: term_a_b,Ys: list_term_a_b,Z2: term_a_b] :
      ( ( I4
       != ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ U @ Ys ) ) @ I4 )
        = ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ Z2 @ Ys ) ) @ I4 ) ) ) ).

% append_Cons_nth_not_middle
thf(fact_1165_append__Cons__nth__middle,axiom,
    ! [I4: nat,Xs: list_term_a_b,Y: term_a_b,Zs2: list_term_a_b] :
      ( ( I4
        = ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ Y @ Zs2 ) ) @ I4 )
        = Y ) ) ).

% append_Cons_nth_middle
thf(fact_1166_P__as__bs__extend,axiom,
    ! [As: list_term_a_b,Bs: list_term_a_b,Cs: list_term_a_b,Ds: list_term_a_b,P2: term_a_b > term_a_b > $o] :
      ( ( ( size_s8906293707977694520rm_a_b @ As )
        = ( size_s8906293707977694520rm_a_b @ Bs ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Cs )
          = ( size_s8906293707977694520rm_a_b @ Ds ) )
       => ( ! [I3: nat] :
              ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Bs ) )
             => ( P2 @ ( nth_term_a_b @ As @ I3 ) @ ( nth_term_a_b @ Bs @ I3 ) ) )
         => ( ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ ( size_s8906293707977694520rm_a_b @ Ds ) )
               => ( P2 @ ( nth_term_a_b @ Cs @ I3 ) @ ( nth_term_a_b @ Ds @ I3 ) ) )
           => ! [I: nat] :
                ( ( ord_less_nat @ I @ ( size_s8906293707977694520rm_a_b @ ( append_term_a_b @ Bs @ Ds ) ) )
               => ( P2 @ ( nth_term_a_b @ ( append_term_a_b @ As @ Cs ) @ I ) @ ( nth_term_a_b @ ( append_term_a_b @ Bs @ Ds ) @ I ) ) ) ) ) ) ) ).

% P_as_bs_extend
thf(fact_1167_list__update__append1,axiom,
    ! [I4: nat,Xs: list_term_a_b,Ys: list_term_a_b,X: term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( list_update_term_a_b @ ( append_term_a_b @ Xs @ Ys ) @ I4 @ X )
        = ( append_term_a_b @ ( list_update_term_a_b @ Xs @ I4 @ X ) @ Ys ) ) ) ).

% list_update_append1
thf(fact_1168_lex__append__leftD,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b,Ys: list_term_a_b,Zs2: list_term_a_b] :
      ( ! [X3: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ R3 )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( append_term_a_b @ Xs @ Ys ) @ ( append_term_a_b @ Xs @ Zs2 ) ) @ ( lex_term_a_b @ R3 ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ys @ Zs2 ) @ ( lex_term_a_b @ R3 ) ) ) ) ).

% lex_append_leftD
thf(fact_1169_lex__append__left__iff,axiom,
    ! [R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b,Ys: list_term_a_b,Zs2: list_term_a_b] :
      ( ! [X3: term_a_b] :
          ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ X3 ) @ R3 )
     => ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( append_term_a_b @ Xs @ Ys ) @ ( append_term_a_b @ Xs @ Zs2 ) ) @ ( lex_term_a_b @ R3 ) )
        = ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Ys @ Zs2 ) @ ( lex_term_a_b @ R3 ) ) ) ) ).

% lex_append_left_iff
thf(fact_1170_lex__append__rightI,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b,Vs: list_term_a_b,Us: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( lex_term_a_b @ R3 ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Vs )
          = ( size_s8906293707977694520rm_a_b @ Us ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( append_term_a_b @ Xs @ Us ) @ ( append_term_a_b @ Ys @ Vs ) ) @ ( lex_term_a_b @ R3 ) ) ) ) ).

% lex_append_rightI
thf(fact_1171_lenlex__append1,axiom,
    ! [Us: list_term_a_b,Xs: list_term_a_b,R2: set_Pr4386577575007340137rm_a_b,Vs: list_term_a_b,Ys: list_term_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Us @ Xs ) @ ( lenlex_term_a_b @ R2 ) )
     => ( ( ( size_s8906293707977694520rm_a_b @ Vs )
          = ( size_s8906293707977694520rm_a_b @ Ys ) )
       => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ ( append_term_a_b @ Us @ Vs ) @ ( append_term_a_b @ Xs @ Ys ) ) @ ( lenlex_term_a_b @ R2 ) ) ) ) ).

% lenlex_append1
thf(fact_1172_append__Cons__nth__right,axiom,
    ! [Xs: list_term_a_b,I4: nat,U: term_a_b,Ys: list_term_a_b,Z2: term_a_b] :
      ( ( ord_less_nat @ ( size_s8906293707977694520rm_a_b @ Xs ) @ I4 )
     => ( ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ U @ Ys ) ) @ I4 )
        = ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ Z2 @ Ys ) ) @ I4 ) ) ) ).

% append_Cons_nth_right
thf(fact_1173_append__Cons__nth__left,axiom,
    ! [I4: nat,Xs: list_term_a_b,U: term_a_b,Ys: list_term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ U @ Ys ) ) @ I4 )
        = ( nth_term_a_b @ Xs @ I4 ) ) ) ).

% append_Cons_nth_left
thf(fact_1174_listrel1E,axiom,
    ! [Xs: list_term_a_b,Ys: list_term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) )
     => ~ ! [X3: term_a_b,Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X3 @ Y2 ) @ R3 )
           => ! [Us2: list_term_a_b,Vs2: list_term_a_b] :
                ( ( Xs
                  = ( append_term_a_b @ Us2 @ ( cons_term_a_b @ X3 @ Vs2 ) ) )
               => ( Ys
                 != ( append_term_a_b @ Us2 @ ( cons_term_a_b @ Y2 @ Vs2 ) ) ) ) ) ) ).

% listrel1E
thf(fact_1175_listrel1I,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b,Xs: list_term_a_b,Us: list_term_a_b,Vs: list_term_a_b,Ys: list_term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R3 )
     => ( ( Xs
          = ( append_term_a_b @ Us @ ( cons_term_a_b @ X @ Vs ) ) )
       => ( ( Ys
            = ( append_term_a_b @ Us @ ( cons_term_a_b @ Y @ Vs ) ) )
         => ( member4405265420456397394rm_a_b @ ( produc4885699992713594593rm_a_b @ Xs @ Ys ) @ ( listrel1_term_a_b @ R3 ) ) ) ) ) ).

% listrel1I
thf(fact_1176_nth__append__take,axiom,
    ! [I4: nat,Xs: list_term_a_b,Y: term_a_b,Ys: list_term_a_b] :
      ( ( ord_less_eq_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( nth_term_a_b @ ( append_term_a_b @ ( take_term_a_b @ I4 @ Xs ) @ ( cons_term_a_b @ Y @ Ys ) ) @ I4 )
        = Y ) ) ).

% nth_append_take
thf(fact_1177_nth__append__take__is__nth__conv,axiom,
    ! [I4: nat,J: nat,Xs: list_term_a_b,Ys: list_term_a_b] :
      ( ( ord_less_nat @ I4 @ J )
     => ( ( ord_less_eq_nat @ J @ ( size_s8906293707977694520rm_a_b @ Xs ) )
       => ( ( nth_term_a_b @ ( append_term_a_b @ ( take_term_a_b @ J @ Xs ) @ Ys ) @ I4 )
          = ( nth_term_a_b @ Xs @ I4 ) ) ) ) ).

% nth_append_take_is_nth_conv
thf(fact_1178_term__to__sig_Osimps_I2_J,axiom,
    ! [F3: a,Ts2: list_term_a_b,F2: set_Pr4934435412358123699_a_nat,V: b] :
      ( ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F3 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) ) @ F2 )
       => ( ( terms_8519481630511763164ig_a_b @ F2 @ V @ ( fun_a_b @ F3 @ Ts2 ) )
          = ( fun_a_b @ F3 @ ( map_te2328734355998148206rm_a_b @ ( terms_8519481630511763164ig_a_b @ F2 @ V ) @ Ts2 ) ) ) )
      & ( ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F3 @ ( size_s8906293707977694520rm_a_b @ Ts2 ) ) @ F2 )
       => ( ( terms_8519481630511763164ig_a_b @ F2 @ V @ ( fun_a_b @ F3 @ Ts2 ) )
          = ( var_b_a @ V ) ) ) ) ).

% term_to_sig.simps(2)
thf(fact_1179_term__to__sig_Opelims,axiom,
    ! [X: set_Pr4934435412358123699_a_nat,Xa: b,Xb: term_a_b,Y: term_a_b] :
      ( ( ( terms_8519481630511763164ig_a_b @ X @ Xa @ Xb )
        = Y )
     => ( ( accp_P3366084933459579103rm_a_b @ terms_8023737178250165727el_a_b @ ( produc8030969961714872974rm_a_b @ X @ ( produc1437816968797971900rm_a_b @ Xa @ Xb ) ) )
       => ( ! [X3: b] :
              ( ( Xb
                = ( var_b_a @ X3 ) )
             => ( ( Y
                  = ( var_b_a @ X3 ) )
               => ~ ( accp_P3366084933459579103rm_a_b @ terms_8023737178250165727el_a_b @ ( produc8030969961714872974rm_a_b @ X @ ( produc1437816968797971900rm_a_b @ Xa @ ( var_b_a @ X3 ) ) ) ) ) )
         => ~ ! [F: a,Ts: list_term_a_b] :
                ( ( Xb
                  = ( fun_a_b @ F @ Ts ) )
               => ( ( ( ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F @ ( size_s8906293707977694520rm_a_b @ Ts ) ) @ X )
                     => ( Y
                        = ( fun_a_b @ F @ ( map_te2328734355998148206rm_a_b @ ( terms_8519481630511763164ig_a_b @ X @ Xa ) @ Ts ) ) ) )
                    & ( ~ ( member5724188588386418708_a_nat @ ( product_Pair_a_nat @ F @ ( size_s8906293707977694520rm_a_b @ Ts ) ) @ X )
                     => ( Y
                        = ( var_b_a @ Xa ) ) ) )
                 => ~ ( accp_P3366084933459579103rm_a_b @ terms_8023737178250165727el_a_b @ ( produc8030969961714872974rm_a_b @ X @ ( produc1437816968797971900rm_a_b @ Xa @ ( fun_a_b @ F @ Ts ) ) ) ) ) ) ) ) ) ).

% term_to_sig.pelims
thf(fact_1180_take__Suc__conv__app__nth,axiom,
    ! [I4: nat,Xs: list_term_a_b] :
      ( ( ord_less_nat @ I4 @ ( size_s8906293707977694520rm_a_b @ Xs ) )
     => ( ( take_term_a_b @ ( suc @ I4 ) @ Xs )
        = ( append_term_a_b @ ( take_term_a_b @ I4 @ Xs ) @ ( cons_term_a_b @ ( nth_term_a_b @ Xs @ I4 ) @ nil_term_a_b ) ) ) ) ).

% take_Suc_conv_app_nth
thf(fact_1181_lessI,axiom,
    ! [N: nat] : ( ord_less_nat @ N @ ( suc @ N ) ) ).

% lessI
thf(fact_1182_Suc__mono,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( ord_less_nat @ ( suc @ M2 ) @ ( suc @ N ) ) ) ).

% Suc_mono
thf(fact_1183_Suc__less__eq,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ ( suc @ M2 ) @ ( suc @ N ) )
      = ( ord_less_nat @ M2 @ N ) ) ).

% Suc_less_eq
thf(fact_1184_less__Suc0,axiom,
    ! [N: nat] :
      ( ( ord_less_nat @ N @ ( suc @ zero_zero_nat ) )
      = ( N = zero_zero_nat ) ) ).

% less_Suc0
thf(fact_1185_zero__less__Suc,axiom,
    ! [N: nat] : ( ord_less_nat @ zero_zero_nat @ ( suc @ N ) ) ).

% zero_less_Suc
thf(fact_1186_nth__Cons__Suc,axiom,
    ! [X: term_a_b,Xs: list_term_a_b,N: nat] :
      ( ( nth_term_a_b @ ( cons_term_a_b @ X @ Xs ) @ ( suc @ N ) )
      = ( nth_term_a_b @ Xs @ N ) ) ).

% nth_Cons_Suc
thf(fact_1187_lift__Suc__antimono__le,axiom,
    ! [F3: nat > set_Pr4934435412358123699_a_nat,N: nat,N4: nat] :
      ( ! [N3: nat] : ( ord_le8666007276011122963_a_nat @ ( F3 @ ( suc @ N3 ) ) @ ( F3 @ N3 ) )
     => ( ( ord_less_eq_nat @ N @ N4 )
       => ( ord_le8666007276011122963_a_nat @ ( F3 @ N4 ) @ ( F3 @ N ) ) ) ) ).

% lift_Suc_antimono_le
thf(fact_1188_lift__Suc__antimono__le,axiom,
    ! [F3: nat > nat,N: nat,N4: nat] :
      ( ! [N3: nat] : ( ord_less_eq_nat @ ( F3 @ ( suc @ N3 ) ) @ ( F3 @ N3 ) )
     => ( ( ord_less_eq_nat @ N @ N4 )
       => ( ord_less_eq_nat @ ( F3 @ N4 ) @ ( F3 @ N ) ) ) ) ).

% lift_Suc_antimono_le
thf(fact_1189_lift__Suc__mono__le,axiom,
    ! [F3: nat > set_Pr4934435412358123699_a_nat,N: nat,N4: nat] :
      ( ! [N3: nat] : ( ord_le8666007276011122963_a_nat @ ( F3 @ N3 ) @ ( F3 @ ( suc @ N3 ) ) )
     => ( ( ord_less_eq_nat @ N @ N4 )
       => ( ord_le8666007276011122963_a_nat @ ( F3 @ N ) @ ( F3 @ N4 ) ) ) ) ).

% lift_Suc_mono_le
thf(fact_1190_lift__Suc__mono__le,axiom,
    ! [F3: nat > nat,N: nat,N4: nat] :
      ( ! [N3: nat] : ( ord_less_eq_nat @ ( F3 @ N3 ) @ ( F3 @ ( suc @ N3 ) ) )
     => ( ( ord_less_eq_nat @ N @ N4 )
       => ( ord_less_eq_nat @ ( F3 @ N ) @ ( F3 @ N4 ) ) ) ) ).

% lift_Suc_mono_le
thf(fact_1191_Abstract__Rewriting_Ochain__mono,axiom,
    ! [R5: set_Pr4386577575007340137rm_a_b,R2: set_Pr4386577575007340137rm_a_b,Seq: nat > term_a_b] :
      ( ( ord_le118470702582115849rm_a_b @ R5 @ R2 )
     => ( ! [I3: nat] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( Seq @ I3 ) @ ( Seq @ ( suc @ I3 ) ) ) @ R5 )
       => ! [I: nat] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( Seq @ I ) @ ( Seq @ ( suc @ I ) ) ) @ R2 ) ) ) ).

% Abstract_Rewriting.chain_mono
thf(fact_1192_le__imp__less__Suc,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_eq_nat @ M2 @ N )
     => ( ord_less_nat @ M2 @ ( suc @ N ) ) ) ).

% le_imp_less_Suc
thf(fact_1193_less__eq__Suc__le,axiom,
    ( ord_less_nat
    = ( ^ [N2: nat] : ( ord_less_eq_nat @ ( suc @ N2 ) ) ) ) ).

% less_eq_Suc_le
thf(fact_1194_less__Suc__eq__le,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ ( suc @ N ) )
      = ( ord_less_eq_nat @ M2 @ N ) ) ).

% less_Suc_eq_le
thf(fact_1195_le__less__Suc__eq,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_eq_nat @ M2 @ N )
     => ( ( ord_less_nat @ N @ ( suc @ M2 ) )
        = ( N = M2 ) ) ) ).

% le_less_Suc_eq
thf(fact_1196_Suc__le__lessD,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_eq_nat @ ( suc @ M2 ) @ N )
     => ( ord_less_nat @ M2 @ N ) ) ).

% Suc_le_lessD
thf(fact_1197_inc__induct,axiom,
    ! [I4: nat,J: nat,P2: nat > $o] :
      ( ( ord_less_eq_nat @ I4 @ J )
     => ( ( P2 @ J )
       => ( ! [N3: nat] :
              ( ( ord_less_eq_nat @ I4 @ N3 )
             => ( ( ord_less_nat @ N3 @ J )
               => ( ( P2 @ ( suc @ N3 ) )
                 => ( P2 @ N3 ) ) ) )
         => ( P2 @ I4 ) ) ) ) ).

% inc_induct
thf(fact_1198_dec__induct,axiom,
    ! [I4: nat,J: nat,P2: nat > $o] :
      ( ( ord_less_eq_nat @ I4 @ J )
     => ( ( P2 @ I4 )
       => ( ! [N3: nat] :
              ( ( ord_less_eq_nat @ I4 @ N3 )
             => ( ( ord_less_nat @ N3 @ J )
               => ( ( P2 @ N3 )
                 => ( P2 @ ( suc @ N3 ) ) ) ) )
         => ( P2 @ J ) ) ) ) ).

% dec_induct
thf(fact_1199_Suc__le__eq,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_eq_nat @ ( suc @ M2 ) @ N )
      = ( ord_less_nat @ M2 @ N ) ) ).

% Suc_le_eq
thf(fact_1200_Suc__leI,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( ord_less_eq_nat @ ( suc @ M2 ) @ N ) ) ).

% Suc_leI
thf(fact_1201_not__less__less__Suc__eq,axiom,
    ! [N: nat,M2: nat] :
      ( ~ ( ord_less_nat @ N @ M2 )
     => ( ( ord_less_nat @ N @ ( suc @ M2 ) )
        = ( N = M2 ) ) ) ).

% not_less_less_Suc_eq
thf(fact_1202_strict__inc__induct,axiom,
    ! [I4: nat,J: nat,P2: nat > $o] :
      ( ( ord_less_nat @ I4 @ J )
     => ( ! [I3: nat] :
            ( ( J
              = ( suc @ I3 ) )
           => ( P2 @ I3 ) )
       => ( ! [I3: nat] :
              ( ( ord_less_nat @ I3 @ J )
             => ( ( P2 @ ( suc @ I3 ) )
               => ( P2 @ I3 ) ) )
         => ( P2 @ I4 ) ) ) ) ).

% strict_inc_induct
thf(fact_1203_less__Suc__induct,axiom,
    ! [I4: nat,J: nat,P2: nat > nat > $o] :
      ( ( ord_less_nat @ I4 @ J )
     => ( ! [I3: nat] : ( P2 @ I3 @ ( suc @ I3 ) )
       => ( ! [I3: nat,J2: nat,K2: nat] :
              ( ( ord_less_nat @ I3 @ J2 )
             => ( ( ord_less_nat @ J2 @ K2 )
               => ( ( P2 @ I3 @ J2 )
                 => ( ( P2 @ J2 @ K2 )
                   => ( P2 @ I3 @ K2 ) ) ) ) )
         => ( P2 @ I4 @ J ) ) ) ) ).

% less_Suc_induct
thf(fact_1204_less__trans__Suc,axiom,
    ! [I4: nat,J: nat,K: nat] :
      ( ( ord_less_nat @ I4 @ J )
     => ( ( ord_less_nat @ J @ K )
       => ( ord_less_nat @ ( suc @ I4 ) @ K ) ) ) ).

% less_trans_Suc
thf(fact_1205_Suc__less__SucD,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ ( suc @ M2 ) @ ( suc @ N ) )
     => ( ord_less_nat @ M2 @ N ) ) ).

% Suc_less_SucD
thf(fact_1206_less__antisym,axiom,
    ! [N: nat,M2: nat] :
      ( ~ ( ord_less_nat @ N @ M2 )
     => ( ( ord_less_nat @ N @ ( suc @ M2 ) )
       => ( M2 = N ) ) ) ).

% less_antisym
thf(fact_1207_Suc__less__eq2,axiom,
    ! [N: nat,M2: nat] :
      ( ( ord_less_nat @ ( suc @ N ) @ M2 )
      = ( ? [M5: nat] :
            ( ( M2
              = ( suc @ M5 ) )
            & ( ord_less_nat @ N @ M5 ) ) ) ) ).

% Suc_less_eq2
thf(fact_1208_All__less__Suc,axiom,
    ! [N: nat,P2: nat > $o] :
      ( ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( suc @ N ) )
           => ( P2 @ I2 ) ) )
      = ( ( P2 @ N )
        & ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ N )
           => ( P2 @ I2 ) ) ) ) ).

% All_less_Suc
thf(fact_1209_not__less__eq,axiom,
    ! [M2: nat,N: nat] :
      ( ( ~ ( ord_less_nat @ M2 @ N ) )
      = ( ord_less_nat @ N @ ( suc @ M2 ) ) ) ).

% not_less_eq
thf(fact_1210_less__Suc__eq,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ ( suc @ N ) )
      = ( ( ord_less_nat @ M2 @ N )
        | ( M2 = N ) ) ) ).

% less_Suc_eq
thf(fact_1211_Ex__less__Suc,axiom,
    ! [N: nat,P2: nat > $o] :
      ( ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( suc @ N ) )
            & ( P2 @ I2 ) ) )
      = ( ( P2 @ N )
        | ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ N )
            & ( P2 @ I2 ) ) ) ) ).

% Ex_less_Suc
thf(fact_1212_less__SucI,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( ord_less_nat @ M2 @ ( suc @ N ) ) ) ).

% less_SucI
thf(fact_1213_less__SucE,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ ( suc @ N ) )
     => ( ~ ( ord_less_nat @ M2 @ N )
       => ( M2 = N ) ) ) ).

% less_SucE
thf(fact_1214_Suc__lessI,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ N )
     => ( ( ( suc @ M2 )
         != N )
       => ( ord_less_nat @ ( suc @ M2 ) @ N ) ) ) ).

% Suc_lessI
thf(fact_1215_Suc__lessE,axiom,
    ! [I4: nat,K: nat] :
      ( ( ord_less_nat @ ( suc @ I4 ) @ K )
     => ~ ! [J2: nat] :
            ( ( ord_less_nat @ I4 @ J2 )
           => ( K
             != ( suc @ J2 ) ) ) ) ).

% Suc_lessE
thf(fact_1216_Suc__lessD,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ ( suc @ M2 ) @ N )
     => ( ord_less_nat @ M2 @ N ) ) ).

% Suc_lessD
thf(fact_1217_Nat_OlessE,axiom,
    ! [I4: nat,K: nat] :
      ( ( ord_less_nat @ I4 @ K )
     => ( ( K
         != ( suc @ I4 ) )
       => ~ ! [J2: nat] :
              ( ( ord_less_nat @ I4 @ J2 )
             => ( K
               != ( suc @ J2 ) ) ) ) ) ).

% Nat.lessE
thf(fact_1218_relpow__Suc__I2,axiom,
    ! [X: term_a_b,Y: term_a_b,R2: set_Pr4386577575007340137rm_a_b,Z2: term_a_b,N: nat] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ R2 )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) ) ) ) ).

% relpow_Suc_I2
thf(fact_1219_relpow__Suc__E2,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) )
     => ~ ! [Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R2 )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) ) ) ) ).

% relpow_Suc_E2
thf(fact_1220_relpow__Suc__D2,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) )
     => ? [Y2: term_a_b] :
          ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R2 )
          & ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) ) ) ) ).

% relpow_Suc_D2
thf(fact_1221_relpow__Suc__I,axiom,
    ! [X: term_a_b,Y: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b,Z2: term_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y @ Z2 ) @ R2 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) ) ) ) ).

% relpow_Suc_I
thf(fact_1222_relpow__Suc__E,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) )
     => ~ ! [Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ R2 ) ) ) ).

% relpow_Suc_E
thf(fact_1223_ex__Suc__conv,axiom,
    ! [N: nat,P2: nat > $o] :
      ( ( ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( suc @ N ) )
            & ( P2 @ I2 ) ) )
      = ( ( P2 @ zero_zero_nat )
        | ? [I2: nat] :
            ( ( ord_less_nat @ I2 @ N )
            & ( P2 @ ( suc @ I2 ) ) ) ) ) ).

% ex_Suc_conv
thf(fact_1224_all__Suc__conv,axiom,
    ! [N: nat,P2: nat > $o] :
      ( ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( suc @ N ) )
           => ( P2 @ I2 ) ) )
      = ( ( P2 @ zero_zero_nat )
        & ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ N )
           => ( P2 @ ( suc @ I2 ) ) ) ) ) ).

% all_Suc_conv
thf(fact_1225_all__less__two,axiom,
    ! [P2: nat > $o] :
      ( ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( suc @ ( suc @ zero_zero_nat ) ) )
           => ( P2 @ I2 ) ) )
      = ( ( P2 @ zero_zero_nat )
        & ( P2 @ ( suc @ zero_zero_nat ) ) ) ) ).

% all_less_two
thf(fact_1226_gr0__conv__Suc,axiom,
    ! [N: nat] :
      ( ( ord_less_nat @ zero_zero_nat @ N )
      = ( ? [M: nat] :
            ( N
            = ( suc @ M ) ) ) ) ).

% gr0_conv_Suc
thf(fact_1227_gr0__implies__Suc,axiom,
    ! [N: nat] :
      ( ( ord_less_nat @ zero_zero_nat @ N )
     => ? [M4: nat] :
          ( N
          = ( suc @ M4 ) ) ) ).

% gr0_implies_Suc
thf(fact_1228_less__Suc__eq__0__disj,axiom,
    ! [M2: nat,N: nat] :
      ( ( ord_less_nat @ M2 @ ( suc @ N ) )
      = ( ( M2 = zero_zero_nat )
        | ? [J3: nat] :
            ( ( M2
              = ( suc @ J3 ) )
            & ( ord_less_nat @ J3 @ N ) ) ) ) ).

% less_Suc_eq_0_disj
thf(fact_1229_length__Cons,axiom,
    ! [X: term_a_b,Xs: list_term_a_b] :
      ( ( size_s8906293707977694520rm_a_b @ ( cons_term_a_b @ X @ Xs ) )
      = ( suc @ ( size_s8906293707977694520rm_a_b @ Xs ) ) ) ).

% length_Cons
thf(fact_1230_length__Suc__conv,axiom,
    ! [Xs: list_term_a_b,N: nat] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( suc @ N ) )
      = ( ? [Y4: term_a_b,Ys3: list_term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ Y4 @ Ys3 ) )
            & ( ( size_s8906293707977694520rm_a_b @ Ys3 )
              = N ) ) ) ) ).

% length_Suc_conv
thf(fact_1231_Suc__length__conv,axiom,
    ! [N: nat,Xs: list_term_a_b] :
      ( ( ( suc @ N )
        = ( size_s8906293707977694520rm_a_b @ Xs ) )
      = ( ? [Y4: term_a_b,Ys3: list_term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ Y4 @ Ys3 ) )
            & ( ( size_s8906293707977694520rm_a_b @ Ys3 )
              = N ) ) ) ) ).

% Suc_length_conv
thf(fact_1232_lift__Suc__mono__less__iff,axiom,
    ! [F3: nat > nat,N: nat,M2: nat] :
      ( ! [N3: nat] : ( ord_less_nat @ ( F3 @ N3 ) @ ( F3 @ ( suc @ N3 ) ) )
     => ( ( ord_less_nat @ ( F3 @ N ) @ ( F3 @ M2 ) )
        = ( ord_less_nat @ N @ M2 ) ) ) ).

% lift_Suc_mono_less_iff
thf(fact_1233_lift__Suc__mono__less,axiom,
    ! [F3: nat > nat,N: nat,N4: nat] :
      ( ! [N3: nat] : ( ord_less_nat @ ( F3 @ N3 ) @ ( F3 @ ( suc @ N3 ) ) )
     => ( ( ord_less_nat @ N @ N4 )
       => ( ord_less_nat @ ( F3 @ N ) @ ( F3 @ N4 ) ) ) ) ).

% lift_Suc_mono_less
thf(fact_1234_Suc__le__length__iff,axiom,
    ! [N: nat,Xs: list_term_a_b] :
      ( ( ord_less_eq_nat @ ( suc @ N ) @ ( size_s8906293707977694520rm_a_b @ Xs ) )
      = ( ? [X2: term_a_b,Ys3: list_term_a_b] :
            ( ( Xs
              = ( cons_term_a_b @ X2 @ Ys3 ) )
            & ( ord_less_eq_nat @ N @ ( size_s8906293707977694520rm_a_b @ Ys3 ) ) ) ) ) ).

% Suc_le_length_iff
thf(fact_1235_ex__least__nat__less,axiom,
    ! [P2: nat > $o,N: nat] :
      ( ( P2 @ N )
     => ( ~ ( P2 @ zero_zero_nat )
       => ? [K2: nat] :
            ( ( ord_less_nat @ K2 @ N )
            & ! [I: nat] :
                ( ( ord_less_eq_nat @ I @ K2 )
               => ~ ( P2 @ I ) )
            & ( P2 @ ( suc @ K2 ) ) ) ) ) ).

% ex_least_nat_less
thf(fact_1236_subterm_Olift__Suc__mono__less__iff,axiom,
    ! [F3: nat > term_a_b,M2: nat,N: nat] :
      ( ! [N3: nat] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ ( suc @ N3 ) ) @ ( F3 @ N3 ) ) @ subterm_and_supt_a_b )
     => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ M2 ) @ ( F3 @ N ) ) @ subterm_and_supt_a_b )
        = ( ord_less_nat @ N @ M2 ) ) ) ).

% subterm.lift_Suc_mono_less_iff
thf(fact_1237_subterm_Olift__Suc__mono__less,axiom,
    ! [F3: nat > term_a_b,N: nat,N4: nat] :
      ( ! [N3: nat] : ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ ( suc @ N3 ) ) @ ( F3 @ N3 ) ) @ subterm_and_supt_a_b )
     => ( ( ord_less_nat @ N @ N4 )
       => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F3 @ N4 ) @ ( F3 @ N ) ) @ subterm_and_supt_a_b ) ) ) ).

% subterm.lift_Suc_mono_less
thf(fact_1238_relpow__E2,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
     => ( ( ( N = zero_zero_nat )
         => ( X != Z2 ) )
       => ~ ! [Y2: term_a_b,M4: nat] :
              ( ( N
                = ( suc @ M4 ) )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ R2 )
               => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( compow4057154403645558940rm_a_b @ M4 @ R2 ) ) ) ) ) ) ).

% relpow_E2
thf(fact_1239_relpow__E,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
     => ( ( ( N = zero_zero_nat )
         => ( X != Z2 ) )
       => ~ ! [Y2: term_a_b,M4: nat] :
              ( ( N
                = ( suc @ M4 ) )
             => ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ ( compow4057154403645558940rm_a_b @ M4 @ R2 ) )
               => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ R2 ) ) ) ) ) ).

% relpow_E
thf(fact_1240_relpow__Suc__E2_H,axiom,
    ! [X: term_a_b,Z2: term_a_b,N: nat,A3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Z2 ) @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ A3 ) )
     => ~ ! [Y2: term_a_b] :
            ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y2 ) @ A3 )
           => ~ ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ Y2 @ Z2 ) @ ( transi7742714808557438673rm_a_b @ A3 ) ) ) ) ).

% relpow_Suc_E2'
thf(fact_1241_pow__Suc__subset__trancl,axiom,
    ! [N: nat,R2: set_Pr4386577575007340137rm_a_b] : ( ord_le118470702582115849rm_a_b @ ( compow4057154403645558940rm_a_b @ ( suc @ N ) @ R2 ) @ ( transi7922773638565587891rm_a_b @ R2 ) ) ).

% pow_Suc_subset_trancl
thf(fact_1242_length__add__elem__list__lists,axiom,
    ! [Ys: list_term_a_b,X: term_a_b,Xs: list_term_a_b] :
      ( ( member_list_term_a_b @ Ys @ ( set_list_term_a_b2 @ ( basic_1593220722155286443rm_a_b @ X @ Xs ) ) )
     => ( ( size_s8906293707977694520rm_a_b @ Ys )
        = ( suc @ ( size_s8906293707977694520rm_a_b @ Xs ) ) ) ) ).

% length_add_elem_list_lists
thf(fact_1243_rtrancl__fun__conv,axiom,
    ! [S: term_a_b,T: term_a_b,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ S @ T ) @ ( transi7742714808557438673rm_a_b @ R2 ) )
      = ( ? [F6: nat > term_a_b,N2: nat] :
            ( ( ( F6 @ zero_zero_nat )
              = S )
            & ( ( F6 @ N2 )
              = T )
            & ! [I2: nat] :
                ( ( ord_less_nat @ I2 @ N2 )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F6 @ I2 ) @ ( F6 @ ( suc @ I2 ) ) ) @ R2 ) ) ) ) ) ).

% rtrancl_fun_conv
thf(fact_1244_rtrancl__imp__seq,axiom,
    ! [X: term_a_b,Y: term_a_b,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( transi7742714808557438673rm_a_b @ R3 ) )
     => ? [F: nat > term_a_b,N3: nat] :
          ( ( ( F @ zero_zero_nat )
            = X )
          & ( ( F @ N3 )
            = Y )
          & ! [I: nat] :
              ( ( ord_less_nat @ I @ N3 )
             => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F @ I ) @ ( F @ ( suc @ I ) ) ) @ R3 ) ) ) ) ).

% rtrancl_imp_seq
thf(fact_1245_length__append__singleton,axiom,
    ! [Xs: list_term_a_b,X: term_a_b] :
      ( ( size_s8906293707977694520rm_a_b @ ( append_term_a_b @ Xs @ ( cons_term_a_b @ X @ nil_term_a_b ) ) )
      = ( suc @ ( size_s8906293707977694520rm_a_b @ Xs ) ) ) ).

% length_append_singleton
thf(fact_1246_length__Suc__conv__rev,axiom,
    ! [Xs: list_term_a_b,N: nat] :
      ( ( ( size_s8906293707977694520rm_a_b @ Xs )
        = ( suc @ N ) )
      = ( ? [Y4: term_a_b,Ys3: list_term_a_b] :
            ( ( Xs
              = ( append_term_a_b @ Ys3 @ ( cons_term_a_b @ Y4 @ nil_term_a_b ) ) )
            & ( ( size_s8906293707977694520rm_a_b @ Ys3 )
              = N ) ) ) ) ).

% length_Suc_conv_rev
thf(fact_1247_relpow__fun__conv,axiom,
    ! [A: term_a_b,B: term_a_b,N: nat,R2: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ A @ B ) @ ( compow4057154403645558940rm_a_b @ N @ R2 ) )
      = ( ? [F6: nat > term_a_b] :
            ( ( ( F6 @ zero_zero_nat )
              = A )
            & ( ( F6 @ N )
              = B )
            & ! [I2: nat] :
                ( ( ord_less_nat @ I2 @ N )
               => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F6 @ I2 ) @ ( F6 @ ( suc @ I2 ) ) ) @ R2 ) ) ) ) ) ).

% relpow_fun_conv
thf(fact_1248_relpow__seq,axiom,
    ! [X: term_a_b,Y: term_a_b,N: nat,R3: set_Pr4386577575007340137rm_a_b] :
      ( ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ X @ Y ) @ ( compow4057154403645558940rm_a_b @ N @ R3 ) )
     => ? [F: nat > term_a_b] :
          ( ( ( F @ zero_zero_nat )
            = X )
          & ( ( F @ N )
            = Y )
          & ! [I: nat] :
              ( ( ord_less_nat @ I @ N )
             => ( member5869715511025134514rm_a_b @ ( produc7020197800436672577rm_a_b @ ( F @ I ) @ ( F @ ( suc @ I ) ) ) @ R3 ) ) ) ) ).

% relpow_seq

% Conjectures (1)
thf(conj_0,conjecture,
    p @ ( fun_a_b @ f2 @ ss ) @ ( fun_a_b @ f2 @ ts ) ).

%------------------------------------------------------------------------------