TPTP Problem File: COM173^1.p

View Solutions - Solve Problem

%------------------------------------------------------------------------------
% File     : COM173^1 : TPTP v9.0.0. Released v7.0.0.
% Domain   : Computing Theory
% Problem  : Koenig's lemma 73
% Version  : [Bla16] axioms : Especial.
% English  :

% Refs     : [Loc10] Lochbihler (2010), Coinductive
%          : [RB15]  Reynolds & Blanchette (2015), A Decision Procedure for
%          : [Bla16] Blanchette (2016), Email to Geoff Sutcliffe
% Source   : [Bla16]
% Names    : koenigslemma__73.p [Bla16]

% Status   : Theorem
% Rating   : 1.00 v7.1.0
% Syntax   : Number of formulae    :  318 ( 103 unt;  42 typ;   0 def)
%            Number of atoms       :  798 ( 235 equ;   0 cnn)
%            Maximal formula atoms :   13 (   2 avg)
%            Number of connectives : 4185 (  76   ~;  36   |;  75   &;3596   @)
%                                         (   0 <=>; 402  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   22 (   8 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :  236 ( 236   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   42 (  41 usr;   5 con; 0-5 aty)
%            Number of variables   : 1110 (  61   ^; 946   !;  71   ?;1110   :)
%                                         (  32  !>;   0  ?*;   0  @-;   0  @+)
% SPC      : TH1_THM_EQU_NAR

% Comments : This file was generated by Isabelle (most likely Sledgehammer)
%            2016-07-13 14:45:53.835
%------------------------------------------------------------------------------
%----Could-be-implicit typings (4)
thf(ty_t_Coinductive__List_Ollist,type,
    coinductive_llist: $tType > $tType ).

thf(ty_t_Set_Oset,type,
    set: $tType > $tType ).

thf(ty_t_itself,type,
    itself: $tType > $tType ).

thf(ty_tf_a,type,
    a: $tType ).

%----Explicit typings (38)
thf(sy_cl_HOL_Otype,type,
    type: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Orderings_Oord,type,
    ord: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Orderings_Oorder,type,
    order: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Lattices_Olattice,type,
    lattice: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Orderings_Olinorder,type,
    linorder: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Orderings_Opreorder,type,
    preorder: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Lattices_Osemilattice__sup,type,
    semilattice_sup: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_cl_Complete__Lattices_Ocomplete__lattice,type,
    comple187826305attice: 
      !>[A: $tType] : ( ( itself @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Ofinite__lprefix,type,
    coindu328551480prefix: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Ogen__lset,type,
    coinductive_gen_lset: 
      !>[A: $tType] : ( ( set @ A ) > ( coinductive_llist @ A ) > ( set @ A ) ) ).

thf(sy_c_Coinductive__List_Olappend,type,
    coinductive_lappend: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > ( coinductive_llist @ A ) > ( coinductive_llist @ A ) ) ).

thf(sy_c_Coinductive__List_Olfilter,type,
    coinductive_lfilter: 
      !>[A: $tType] : ( ( A > $o ) > ( coinductive_llist @ A ) > ( coinductive_llist @ A ) ) ).

thf(sy_c_Coinductive__List_Olfinite,type,
    coinductive_lfinite: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Ollast,type,
    coinductive_llast: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > A ) ).

thf(sy_c_Coinductive__List_Ollexord,type,
    coinductive_llexord: 
      !>[A: $tType] : ( ( A > A > $o ) > ( coinductive_llist @ A ) > ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Ollist_OLCons,type,
    coinductive_LCons: 
      !>[A: $tType] : ( A > ( coinductive_llist @ A ) > ( coinductive_llist @ A ) ) ).

thf(sy_c_Coinductive__List_Ollist_OLNil,type,
    coinductive_LNil: 
      !>[A: $tType] : ( coinductive_llist @ A ) ).

thf(sy_c_Coinductive__List_Ollist_Olhd,type,
    coinductive_lhd: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > A ) ).

thf(sy_c_Coinductive__List_Ollist_Olnull,type,
    coinductive_lnull: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Ollist_Olset,type,
    coinductive_lset: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > ( set @ A ) ) ).

thf(sy_c_Coinductive__List_Olmember,type,
    coinductive_lmember: 
      !>[A: $tType] : ( A > ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Olstrict__prefix,type,
    coindu1478340336prefix: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Coinductive__List_Oord__class_Olsorted,type,
    coindu63249387sorted: 
      !>[A: $tType] : ( ( coinductive_llist @ A ) > $o ) ).

thf(sy_c_Koenigslemma__Mirabelle__aepjeeakgn_Opaths,type,
    koenig916195507_paths: 
      !>[Node: $tType] : ( ( Node > Node > $o ) > ( set @ ( coinductive_llist @ Node ) ) ) ).

thf(sy_c_Koenigslemma__Mirabelle__aepjeeakgn_Opathsp,type,
    koenig2031690877pathsp: 
      !>[Node: $tType] : ( ( Node > Node > $o ) > ( coinductive_llist @ Node ) > $o ) ).

thf(sy_c_Koenigslemma__Mirabelle__aepjeeakgn_Oreachable__via,type,
    koenig317145564le_via: 
      !>[Node: $tType] : ( ( Node > Node > $o ) > ( set @ Node ) > Node > ( set @ Node ) ) ).

thf(sy_c_Koenigslemma__Mirabelle__aepjeeakgn_Oreachable__viap,type,
    koenig1757754772e_viap: 
      !>[Node: $tType] : ( ( Node > Node > $o ) > ( set @ Node ) > Node > Node > $o ) ).

thf(sy_c_Lattices_Osup__class_Osup,type,
    sup_sup: 
      !>[A: $tType] : ( A > A > A ) ).

thf(sy_c_Orderings_Oord__class_Oless__eq,type,
    ord_less_eq: 
      !>[A: $tType] : ( A > A > $o ) ).

thf(sy_c_Pure_Otype,type,
    type2: 
      !>[A: $tType] : ( itself @ A ) ).

thf(sy_c_Set_OCollect,type,
    collect: 
      !>[A: $tType] : ( ( A > $o ) > ( set @ A ) ) ).

thf(sy_c_member,type,
    member: 
      !>[A: $tType] : ( A > ( set @ A ) > $o ) ).

thf(sy_v_graph,type,
    graph: a > a > $o ).

thf(sy_v_n,type,
    n: a ).

thf(sy_v_x,type,
    x: a ).

thf(sy_v_xs,type,
    xs: coinductive_llist @ a ).

thf(sy_v_xs_H_H____,type,
    xs2: coinductive_llist @ a ).

thf(sy_v_xs_H____,type,
    xs3: coinductive_llist @ a ).

%----Relevant facts (256)
thf(fact_0_n__neq__x,axiom,
    n != x ).

% n_neq_x
thf(fact_1_set,axiom,
    member @ a @ x @ ( coinductive_lset @ a @ xs ) ).

% set
thf(fact_2__092_060open_062x_A_092_060notin_062_Alset_Axs_H_092_060close_062,axiom,
    ~ ( member @ a @ x @ ( coinductive_lset @ a @ xs3 ) ) ).

% \<open>x \<notin> lset xs'\<close>
thf(fact_3_path,axiom,
    member @ ( coinductive_llist @ a ) @ ( coinductive_LCons @ a @ n @ xs ) @ ( koenig916195507_paths @ a @ graph ) ).

% path
thf(fact_4_paths_OLCons,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,X: Node,Y: Node,Xs: coinductive_llist @ Node] :
      ( ( Graph @ X @ Y )
     => ( ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ Y @ Xs ) @ ( koenig916195507_paths @ Node @ Graph ) )
       => ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ X @ ( coinductive_LCons @ Node @ Y @ Xs ) ) @ ( koenig916195507_paths @ Node @ Graph ) ) ) ) ).

% paths.LCons
thf(fact_5_paths__LConsD,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A,Graph: A > A > $o] :
      ( ( member @ ( coinductive_llist @ A ) @ ( coinductive_LCons @ A @ X @ Xs ) @ ( koenig916195507_paths @ A @ Graph ) )
     => ( member @ ( coinductive_llist @ A ) @ Xs @ ( koenig916195507_paths @ A @ Graph ) ) ) ).

% paths_LConsD
thf(fact_6_xs,axiom,
    ( xs
    = ( coinductive_lappend @ a @ xs3 @ ( coinductive_LCons @ a @ x @ xs2 ) ) ) ).

% xs
thf(fact_7_reachable__via_Ocases,axiom,
    ! [Node: $tType,A2: Node,Graph: Node > Node > $o,Ns: set @ Node,N: Node] :
      ( ( member @ Node @ A2 @ ( koenig317145564le_via @ Node @ Graph @ Ns @ N ) )
     => ~ ! [Xs2: coinductive_llist @ Node] :
            ( ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ N @ Xs2 ) @ ( koenig916195507_paths @ Node @ Graph ) )
           => ( ( member @ Node @ A2 @ ( coinductive_lset @ Node @ Xs2 ) )
             => ~ ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs2 ) @ Ns ) ) ) ) ).

% reachable_via.cases
thf(fact_8_reachable__via_Osimps,axiom,
    ! [Node: $tType,A2: Node,Graph: Node > Node > $o,Ns: set @ Node,N: Node] :
      ( ( member @ Node @ A2 @ ( koenig317145564le_via @ Node @ Graph @ Ns @ N ) )
      = ( ? [Xs3: coinductive_llist @ Node,N2: Node] :
            ( ( A2 = N2 )
            & ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ N @ Xs3 ) @ ( koenig916195507_paths @ Node @ Graph ) )
            & ( member @ Node @ N2 @ ( coinductive_lset @ Node @ Xs3 ) )
            & ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs3 ) @ Ns ) ) ) ) ).

% reachable_via.simps
thf(fact_9_reachable__via_Ointros,axiom,
    ! [Node: $tType,N: Node,Xs: coinductive_llist @ Node,Graph: Node > Node > $o,N3: Node,Ns: set @ Node] :
      ( ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ N @ Xs ) @ ( koenig916195507_paths @ Node @ Graph ) )
     => ( ( member @ Node @ N3 @ ( coinductive_lset @ Node @ Xs ) )
       => ( ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs ) @ Ns )
         => ( member @ Node @ N3 @ ( koenig317145564le_via @ Node @ Graph @ Ns @ N ) ) ) ) ) ).

% reachable_via.intros
thf(fact_10_reachable__via_Oinducts,axiom,
    ! [Node: $tType,X: Node,Graph: Node > Node > $o,Ns: set @ Node,N: Node,P: Node > $o] :
      ( ( member @ Node @ X @ ( koenig317145564le_via @ Node @ Graph @ Ns @ N ) )
     => ( ! [Xs2: coinductive_llist @ Node,N4: Node] :
            ( ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ N @ Xs2 ) @ ( koenig916195507_paths @ Node @ Graph ) )
           => ( ( member @ Node @ N4 @ ( coinductive_lset @ Node @ Xs2 ) )
             => ( ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs2 ) @ Ns )
               => ( P @ N4 ) ) ) )
       => ( P @ X ) ) ) ).

% reachable_via.inducts
thf(fact_11_llist_Oinject,axiom,
    ! [A: $tType,X21: A,X22: coinductive_llist @ A,Y21: A,Y22: coinductive_llist @ A] :
      ( ( ( coinductive_LCons @ A @ X21 @ X22 )
        = ( coinductive_LCons @ A @ Y21 @ Y22 ) )
      = ( ( X21 = Y21 )
        & ( X22 = Y22 ) ) ) ).

% llist.inject
thf(fact_12_subsetI,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ! [X2: A] :
          ( ( member @ A @ X2 @ A3 )
         => ( member @ A @ X2 @ B ) )
     => ( ord_less_eq @ ( set @ A ) @ A3 @ B ) ) ).

% subsetI
thf(fact_13_subset__antisym,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( ord_less_eq @ ( set @ A ) @ B @ A3 )
       => ( A3 = B ) ) ) ).

% subset_antisym
thf(fact_14_order__refl,axiom,
    ! [A: $tType] :
      ( ( preorder @ A @ ( type2 @ A ) )
     => ! [X: A] : ( ord_less_eq @ A @ X @ X ) ) ).

% order_refl
thf(fact_15_lset__intros_I2_J,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A,X3: A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ( member @ A @ X @ ( coinductive_lset @ A @ ( coinductive_LCons @ A @ X3 @ Xs ) ) ) ) ).

% lset_intros(2)
thf(fact_16_lset__intros_I1_J,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] : ( member @ A @ X @ ( coinductive_lset @ A @ ( coinductive_LCons @ A @ X @ Xs ) ) ) ).

% lset_intros(1)
thf(fact_17_llist_Oset__intros_I2_J,axiom,
    ! [A: $tType,X: A,A22: coinductive_llist @ A,A1: A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ A22 ) )
     => ( member @ A @ X @ ( coinductive_lset @ A @ ( coinductive_LCons @ A @ A1 @ A22 ) ) ) ) ).

% llist.set_intros(2)
thf(fact_18_lappend__code_I2_J,axiom,
    ! [A: $tType,Xa: A,X: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lappend @ A @ ( coinductive_LCons @ A @ Xa @ X ) @ Ys )
      = ( coinductive_LCons @ A @ Xa @ ( coinductive_lappend @ A @ X @ Ys ) ) ) ).

% lappend_code(2)
thf(fact_19__092_060open_062lfinite_Axs_H_092_060close_062,axiom,
    coinductive_lfinite @ a @ xs3 ).

% \<open>lfinite xs'\<close>
thf(fact_20_lappend__assoc,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A] :
      ( ( coinductive_lappend @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) @ Zs )
      = ( coinductive_lappend @ A @ Xs @ ( coinductive_lappend @ A @ Ys @ Zs ) ) ) ).

% lappend_assoc
thf(fact_21_paths__lappendD1,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Graph: A > A > $o] :
      ( ( member @ ( coinductive_llist @ A ) @ ( coinductive_lappend @ A @ Xs @ Ys ) @ ( koenig916195507_paths @ A @ Graph ) )
     => ( member @ ( coinductive_llist @ A ) @ Xs @ ( koenig916195507_paths @ A @ Graph ) ) ) ).

% paths_lappendD1
thf(fact_22_lset__lappend1,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] : ( ord_less_eq @ ( set @ A ) @ ( coinductive_lset @ A @ Xs ) @ ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) ) ) ).

% lset_lappend1
thf(fact_23_dual__order_Oantisym,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A] :
          ( ( ord_less_eq @ A @ B2 @ A2 )
         => ( ( ord_less_eq @ A @ A2 @ B2 )
           => ( A2 = B2 ) ) ) ) ).

% dual_order.antisym
thf(fact_24_dual__order_Otrans,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A,C: A] :
          ( ( ord_less_eq @ A @ B2 @ A2 )
         => ( ( ord_less_eq @ A @ C @ B2 )
           => ( ord_less_eq @ A @ C @ A2 ) ) ) ) ).

% dual_order.trans
thf(fact_25_linorder__wlog,axiom,
    ! [A: $tType] :
      ( ( linorder @ A @ ( type2 @ A ) )
     => ! [P: A > A > $o,A2: A,B2: A] :
          ( ! [A4: A,B3: A] :
              ( ( ord_less_eq @ A @ A4 @ B3 )
             => ( P @ A4 @ B3 ) )
         => ( ! [A4: A,B3: A] :
                ( ( P @ B3 @ A4 )
               => ( P @ A4 @ B3 ) )
           => ( P @ A2 @ B2 ) ) ) ) ).

% linorder_wlog
thf(fact_26_dual__order_Orefl,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [A2: A] : ( ord_less_eq @ A @ A2 @ A2 ) ) ).

% dual_order.refl
thf(fact_27_order__trans,axiom,
    ! [A: $tType] :
      ( ( preorder @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( ord_less_eq @ A @ Y @ Z )
           => ( ord_less_eq @ A @ X @ Z ) ) ) ) ).

% order_trans
thf(fact_28_order__class_Oorder_Oantisym,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( ord_less_eq @ A @ B2 @ A2 )
           => ( A2 = B2 ) ) ) ) ).

% order_class.order.antisym
thf(fact_29_ord__le__eq__trans,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A,C: A] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( B2 = C )
           => ( ord_less_eq @ A @ A2 @ C ) ) ) ) ).

% ord_le_eq_trans
thf(fact_30_ord__eq__le__trans,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A,C: A] :
          ( ( A2 = B2 )
         => ( ( ord_less_eq @ A @ B2 @ C )
           => ( ord_less_eq @ A @ A2 @ C ) ) ) ) ).

% ord_eq_le_trans
thf(fact_31_antisym__conv,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A] :
          ( ( ord_less_eq @ A @ Y @ X )
         => ( ( ord_less_eq @ A @ X @ Y )
            = ( X = Y ) ) ) ) ).

% antisym_conv
thf(fact_32_le__cases3,axiom,
    ! [A: $tType] :
      ( ( linorder @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( ( ord_less_eq @ A @ X @ Y )
           => ~ ( ord_less_eq @ A @ Y @ Z ) )
         => ( ( ( ord_less_eq @ A @ Y @ X )
             => ~ ( ord_less_eq @ A @ X @ Z ) )
           => ( ( ( ord_less_eq @ A @ X @ Z )
               => ~ ( ord_less_eq @ A @ Z @ Y ) )
             => ( ( ( ord_less_eq @ A @ Z @ Y )
                 => ~ ( ord_less_eq @ A @ Y @ X ) )
               => ( ( ( ord_less_eq @ A @ Y @ Z )
                   => ~ ( ord_less_eq @ A @ Z @ X ) )
                 => ~ ( ( ord_less_eq @ A @ Z @ X )
                     => ~ ( ord_less_eq @ A @ X @ Y ) ) ) ) ) ) ) ) ).

% le_cases3
thf(fact_33_order_Otrans,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A,C: A] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( ord_less_eq @ A @ B2 @ C )
           => ( ord_less_eq @ A @ A2 @ C ) ) ) ) ).

% order.trans
thf(fact_34_le__cases,axiom,
    ! [A: $tType] :
      ( ( linorder @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ~ ( ord_less_eq @ A @ X @ Y )
         => ( ord_less_eq @ A @ Y @ X ) ) ) ).

% le_cases
thf(fact_35_wlog__linorder__le,axiom,
    ! [A: $tType] :
      ( ( linorder @ A @ ( type2 @ A ) )
     => ! [P: A > A > $o,B2: A,A2: A] :
          ( ! [A4: A,B3: A] :
              ( ( ord_less_eq @ A @ A4 @ B3 )
             => ( P @ A4 @ B3 ) )
         => ( ( ( P @ B2 @ A2 )
             => ( P @ A2 @ B2 ) )
           => ( P @ A2 @ B2 ) ) ) ) ).

% wlog_linorder_le
thf(fact_36_eq__refl,axiom,
    ! [A: $tType] :
      ( ( preorder @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( X = Y )
         => ( ord_less_eq @ A @ X @ Y ) ) ) ).

% eq_refl
thf(fact_37_linear,axiom,
    ! [A: $tType] :
      ( ( linorder @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( ord_less_eq @ A @ X @ Y )
          | ( ord_less_eq @ A @ Y @ X ) ) ) ).

% linear
thf(fact_38_antisym,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( ord_less_eq @ A @ Y @ X )
           => ( X = Y ) ) ) ) ).

% antisym
thf(fact_39_eq__iff,axiom,
    ! [A: $tType] :
      ( ( order @ A @ ( type2 @ A ) )
     => ( ( ^ [Y2: A,Z2: A] : ( Y2 = Z2 ) )
        = ( ^ [X4: A,Y3: A] :
              ( ( ord_less_eq @ A @ X4 @ Y3 )
              & ( ord_less_eq @ A @ Y3 @ X4 ) ) ) ) ) ).

% eq_iff
thf(fact_40_ord__le__eq__subst,axiom,
    ! [A: $tType,B4: $tType] :
      ( ( ( ord @ B4 @ ( type2 @ B4 ) )
        & ( ord @ A @ ( type2 @ A ) ) )
     => ! [A2: A,B2: A,F: A > B4,C: B4] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( ( F @ B2 )
              = C )
           => ( ! [X2: A,Y4: A] :
                  ( ( ord_less_eq @ A @ X2 @ Y4 )
                 => ( ord_less_eq @ B4 @ ( F @ X2 ) @ ( F @ Y4 ) ) )
             => ( ord_less_eq @ B4 @ ( F @ A2 ) @ C ) ) ) ) ) ).

% ord_le_eq_subst
thf(fact_41_ord__eq__le__subst,axiom,
    ! [A: $tType,B4: $tType] :
      ( ( ( ord @ B4 @ ( type2 @ B4 ) )
        & ( ord @ A @ ( type2 @ A ) ) )
     => ! [A2: A,F: B4 > A,B2: B4,C: B4] :
          ( ( A2
            = ( F @ B2 ) )
         => ( ( ord_less_eq @ B4 @ B2 @ C )
           => ( ! [X2: B4,Y4: B4] :
                  ( ( ord_less_eq @ B4 @ X2 @ Y4 )
                 => ( ord_less_eq @ A @ ( F @ X2 ) @ ( F @ Y4 ) ) )
             => ( ord_less_eq @ A @ A2 @ ( F @ C ) ) ) ) ) ) ).

% ord_eq_le_subst
thf(fact_42_order__subst2,axiom,
    ! [A: $tType,C2: $tType] :
      ( ( ( order @ C2 @ ( type2 @ C2 ) )
        & ( order @ A @ ( type2 @ A ) ) )
     => ! [A2: A,B2: A,F: A > C2,C: C2] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( ord_less_eq @ C2 @ ( F @ B2 ) @ C )
           => ( ! [X2: A,Y4: A] :
                  ( ( ord_less_eq @ A @ X2 @ Y4 )
                 => ( ord_less_eq @ C2 @ ( F @ X2 ) @ ( F @ Y4 ) ) )
             => ( ord_less_eq @ C2 @ ( F @ A2 ) @ C ) ) ) ) ) ).

% order_subst2
thf(fact_43_order__subst1,axiom,
    ! [A: $tType,B4: $tType] :
      ( ( ( order @ B4 @ ( type2 @ B4 ) )
        & ( order @ A @ ( type2 @ A ) ) )
     => ! [A2: A,F: B4 > A,B2: B4,C: B4] :
          ( ( ord_less_eq @ A @ A2 @ ( F @ B2 ) )
         => ( ( ord_less_eq @ B4 @ B2 @ C )
           => ( ! [X2: B4,Y4: B4] :
                  ( ( ord_less_eq @ B4 @ X2 @ Y4 )
                 => ( ord_less_eq @ A @ ( F @ X2 ) @ ( F @ Y4 ) ) )
             => ( ord_less_eq @ A @ A2 @ ( F @ C ) ) ) ) ) ) ).

% order_subst1
thf(fact_44_le__fun__def,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( ord @ B4 @ ( type2 @ B4 ) )
     => ( ( ord_less_eq @ ( A > B4 ) )
        = ( ^ [F2: A > B4,G: A > B4] :
            ! [X4: A] : ( ord_less_eq @ B4 @ ( F2 @ X4 ) @ ( G @ X4 ) ) ) ) ) ).

% le_fun_def
thf(fact_45_mem__Collect__eq,axiom,
    ! [A: $tType,A2: A,P: A > $o] :
      ( ( member @ A @ A2 @ ( collect @ A @ P ) )
      = ( P @ A2 ) ) ).

% mem_Collect_eq
thf(fact_46_Collect__mem__eq,axiom,
    ! [A: $tType,A3: set @ A] :
      ( ( collect @ A
        @ ^ [X4: A] : ( member @ A @ X4 @ A3 ) )
      = A3 ) ).

% Collect_mem_eq
thf(fact_47_Collect__cong,axiom,
    ! [A: $tType,P: A > $o,Q: A > $o] :
      ( ! [X2: A] :
          ( ( P @ X2 )
          = ( Q @ X2 ) )
     => ( ( collect @ A @ P )
        = ( collect @ A @ Q ) ) ) ).

% Collect_cong
thf(fact_48_ext,axiom,
    ! [B4: $tType,A: $tType,F: A > B4,G2: A > B4] :
      ( ! [X2: A] :
          ( ( F @ X2 )
          = ( G2 @ X2 ) )
     => ( F = G2 ) ) ).

% ext
thf(fact_49_le__funI,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( ord @ B4 @ ( type2 @ B4 ) )
     => ! [F: A > B4,G2: A > B4] :
          ( ! [X2: A] : ( ord_less_eq @ B4 @ ( F @ X2 ) @ ( G2 @ X2 ) )
         => ( ord_less_eq @ ( A > B4 ) @ F @ G2 ) ) ) ).

% le_funI
thf(fact_50_le__funE,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( ord @ B4 @ ( type2 @ B4 ) )
     => ! [F: A > B4,G2: A > B4,X: A] :
          ( ( ord_less_eq @ ( A > B4 ) @ F @ G2 )
         => ( ord_less_eq @ B4 @ ( F @ X ) @ ( G2 @ X ) ) ) ) ).

% le_funE
thf(fact_51_le__funD,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( ord @ B4 @ ( type2 @ B4 ) )
     => ! [F: A > B4,G2: A > B4,X: A] :
          ( ( ord_less_eq @ ( A > B4 ) @ F @ G2 )
         => ( ord_less_eq @ B4 @ ( F @ X ) @ ( G2 @ X ) ) ) ) ).

% le_funD
thf(fact_52_Collect__mono__iff,axiom,
    ! [A: $tType,P: A > $o,Q: A > $o] :
      ( ( ord_less_eq @ ( set @ A ) @ ( collect @ A @ P ) @ ( collect @ A @ Q ) )
      = ( ! [X4: A] :
            ( ( P @ X4 )
           => ( Q @ X4 ) ) ) ) ).

% Collect_mono_iff
thf(fact_53_contra__subsetD,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C: A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ~ ( member @ A @ C @ B )
       => ~ ( member @ A @ C @ A3 ) ) ) ).

% contra_subsetD
thf(fact_54_set__eq__subset,axiom,
    ! [A: $tType] :
      ( ( ^ [Y2: set @ A,Z2: set @ A] : ( Y2 = Z2 ) )
      = ( ^ [A5: set @ A,B5: set @ A] :
            ( ( ord_less_eq @ ( set @ A ) @ A5 @ B5 )
            & ( ord_less_eq @ ( set @ A ) @ B5 @ A5 ) ) ) ) ).

% set_eq_subset
thf(fact_55_subset__trans,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C3: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( ord_less_eq @ ( set @ A ) @ B @ C3 )
       => ( ord_less_eq @ ( set @ A ) @ A3 @ C3 ) ) ) ).

% subset_trans
thf(fact_56_Collect__mono,axiom,
    ! [A: $tType,P: A > $o,Q: A > $o] :
      ( ! [X2: A] :
          ( ( P @ X2 )
         => ( Q @ X2 ) )
     => ( ord_less_eq @ ( set @ A ) @ ( collect @ A @ P ) @ ( collect @ A @ Q ) ) ) ).

% Collect_mono
thf(fact_57_subset__refl,axiom,
    ! [A: $tType,A3: set @ A] : ( ord_less_eq @ ( set @ A ) @ A3 @ A3 ) ).

% subset_refl
thf(fact_58_rev__subsetD,axiom,
    ! [A: $tType,C: A,A3: set @ A,B: set @ A] :
      ( ( member @ A @ C @ A3 )
     => ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
       => ( member @ A @ C @ B ) ) ) ).

% rev_subsetD
thf(fact_59_subset__iff,axiom,
    ! [A: $tType] :
      ( ( ord_less_eq @ ( set @ A ) )
      = ( ^ [A5: set @ A,B5: set @ A] :
          ! [T: A] :
            ( ( member @ A @ T @ A5 )
           => ( member @ A @ T @ B5 ) ) ) ) ).

% subset_iff
thf(fact_60_set__rev__mp,axiom,
    ! [A: $tType,X: A,A3: set @ A,B: set @ A] :
      ( ( member @ A @ X @ A3 )
     => ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
       => ( member @ A @ X @ B ) ) ) ).

% set_rev_mp
thf(fact_61_equalityD2,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( A3 = B )
     => ( ord_less_eq @ ( set @ A ) @ B @ A3 ) ) ).

% equalityD2
thf(fact_62_equalityD1,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( A3 = B )
     => ( ord_less_eq @ ( set @ A ) @ A3 @ B ) ) ).

% equalityD1
thf(fact_63_subset__eq,axiom,
    ! [A: $tType] :
      ( ( ord_less_eq @ ( set @ A ) )
      = ( ^ [A5: set @ A,B5: set @ A] :
          ! [X4: A] :
            ( ( member @ A @ X4 @ A5 )
           => ( member @ A @ X4 @ B5 ) ) ) ) ).

% subset_eq
thf(fact_64_equalityE,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( A3 = B )
     => ~ ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
         => ~ ( ord_less_eq @ ( set @ A ) @ B @ A3 ) ) ) ).

% equalityE
thf(fact_65_subsetCE,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C: A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( member @ A @ C @ A3 )
       => ( member @ A @ C @ B ) ) ) ).

% subsetCE
thf(fact_66_subsetD,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C: A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( member @ A @ C @ A3 )
       => ( member @ A @ C @ B ) ) ) ).

% subsetD
thf(fact_67_in__mono,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,X: A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( member @ A @ X @ A3 )
       => ( member @ A @ X @ B ) ) ) ).

% in_mono
thf(fact_68_set__mp,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,X: A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( member @ A @ X @ A3 )
       => ( member @ A @ X @ B ) ) ) ).

% set_mp
thf(fact_69_llist_Oset__induct,axiom,
    ! [A: $tType,X: A,A2: coinductive_llist @ A,P: A > ( coinductive_llist @ A ) > $o] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ A2 ) )
     => ( ! [Z1: A,Z22: coinductive_llist @ A] : ( P @ Z1 @ ( coinductive_LCons @ A @ Z1 @ Z22 ) )
       => ( ! [Z1: A,Z22: coinductive_llist @ A,Xa2: A] :
              ( ( member @ A @ Xa2 @ ( coinductive_lset @ A @ Z22 ) )
             => ( ( P @ Xa2 @ Z22 )
               => ( P @ Xa2 @ ( coinductive_LCons @ A @ Z1 @ Z22 ) ) ) )
         => ( P @ X @ A2 ) ) ) ) ).

% llist.set_induct
thf(fact_70_llist_Oset__cases,axiom,
    ! [A: $tType,E: A,A2: coinductive_llist @ A] :
      ( ( member @ A @ E @ ( coinductive_lset @ A @ A2 ) )
     => ( ! [Z22: coinductive_llist @ A] :
            ( A2
           != ( coinductive_LCons @ A @ E @ Z22 ) )
       => ~ ! [Z1: A,Z22: coinductive_llist @ A] :
              ( ( A2
                = ( coinductive_LCons @ A @ Z1 @ Z22 ) )
             => ~ ( member @ A @ E @ ( coinductive_lset @ A @ Z22 ) ) ) ) ) ).

% llist.set_cases
thf(fact_71_lset__induct_H,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A,P: ( coinductive_llist @ A ) > $o] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ( ! [Xs2: coinductive_llist @ A] : ( P @ ( coinductive_LCons @ A @ X @ Xs2 ) )
       => ( ! [X5: A,Xs2: coinductive_llist @ A] :
              ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs2 ) )
             => ( ( P @ Xs2 )
               => ( P @ ( coinductive_LCons @ A @ X5 @ Xs2 ) ) ) )
         => ( P @ Xs ) ) ) ) ).

% lset_induct'
thf(fact_72_lset__induct,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A,P: ( coinductive_llist @ A ) > $o] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ( ! [Xs2: coinductive_llist @ A] : ( P @ ( coinductive_LCons @ A @ X @ Xs2 ) )
       => ( ! [X5: A,Xs2: coinductive_llist @ A] :
              ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs2 ) )
             => ( ( X != X5 )
               => ( ( P @ Xs2 )
                 => ( P @ ( coinductive_LCons @ A @ X5 @ Xs2 ) ) ) ) )
         => ( P @ Xs ) ) ) ) ).

% lset_induct
thf(fact_73_lset__cases,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ( ! [Xs4: coinductive_llist @ A] :
            ( Xs
           != ( coinductive_LCons @ A @ X @ Xs4 ) )
       => ~ ! [X5: A,Xs4: coinductive_llist @ A] :
              ( ( Xs
                = ( coinductive_LCons @ A @ X5 @ Xs4 ) )
             => ~ ( member @ A @ X @ ( coinductive_lset @ A @ Xs4 ) ) ) ) ) ).

% lset_cases
thf(fact_74_llist_Oset__intros_I1_J,axiom,
    ! [A: $tType,A1: A,A22: coinductive_llist @ A] : ( member @ A @ A1 @ ( coinductive_lset @ A @ ( coinductive_LCons @ A @ A1 @ A22 ) ) ) ).

% llist.set_intros(1)
thf(fact_75__092_060open_062_092_060And_062thesis_O_A_I_092_060And_062xs_H_Axs_H_H_O_A_092_060lbrakk_062lfinite_Axs_H_059_Axs_A_061_Alappend_Axs_H_A_ILCons_Ax_Axs_H_H_J_059_Ax_A_092_060notin_062_Alset_Axs_H_092_060rbrakk_062_A_092_060Longrightarrow_062_Athesis_J_A_092_060Longrightarrow_062_Athesis_092_060close_062,axiom,
    ~ ! [Xs4: coinductive_llist @ a] :
        ( ( coinductive_lfinite @ a @ Xs4 )
       => ( ? [Xs5: coinductive_llist @ a] :
              ( xs
              = ( coinductive_lappend @ a @ Xs4 @ ( coinductive_LCons @ a @ x @ Xs5 ) ) )
         => ( member @ a @ x @ ( coinductive_lset @ a @ Xs4 ) ) ) ) ).

% \<open>\<And>thesis. (\<And>xs' xs''. \<lbrakk>lfinite xs'; xs = lappend xs' (LCons x xs''); x \<notin> lset xs'\<rbrakk> \<Longrightarrow> thesis) \<Longrightarrow> thesis\<close>
thf(fact_76_reachable__viap__reachable__via__eq,axiom,
    ! [Node: $tType] :
      ( ( koenig1757754772e_viap @ Node )
      = ( ^ [Graph2: Node > Node > $o,Ns2: set @ Node,N5: Node,X4: Node] : ( member @ Node @ X4 @ ( koenig317145564le_via @ Node @ Graph2 @ Ns2 @ N5 ) ) ) ) ).

% reachable_viap_reachable_via_eq
thf(fact_77_lset__lmember,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
      = ( coinductive_lmember @ A @ X @ Xs ) ) ).

% lset_lmember
thf(fact_78_lsorted__LCons,axiom,
    ! [A: $tType] :
      ( ( preorder @ A @ ( type2 @ A ) )
     => ! [X: A,Xs: coinductive_llist @ A] :
          ( ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ Xs ) )
          = ( ( coindu63249387sorted @ A @ Xs )
            & ! [X4: A] :
                ( ( member @ A @ X4 @ ( coinductive_lset @ A @ Xs ) )
               => ( ord_less_eq @ A @ X @ X4 ) ) ) ) ) ).

% lsorted_LCons
thf(fact_79_lmember__code_I2_J,axiom,
    ! [A: $tType,X: A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lmember @ A @ X @ ( coinductive_LCons @ A @ Y @ Ys ) )
      = ( ( X = Y )
        | ( coinductive_lmember @ A @ X @ Ys ) ) ) ).

% lmember_code(2)
thf(fact_80_lset__lappend,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] : ( ord_less_eq @ ( set @ A ) @ ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) ) @ ( sup_sup @ ( set @ A ) @ ( coinductive_lset @ A @ Xs ) @ ( coinductive_lset @ A @ Ys ) ) ) ).

% lset_lappend
thf(fact_81_lfp_Oleq__antisym,axiom,
    ! [A: $tType] :
      ( ( comple187826305attice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( ord_less_eq @ A @ Y @ X )
           => ( X = Y ) ) ) ) ).

% lfp.leq_antisym
thf(fact_82_gfp_Oleq__antisym,axiom,
    ! [A: $tType] :
      ( ( comple187826305attice @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A] :
          ( ( ord_less_eq @ A @ Y @ X )
         => ( ( ord_less_eq @ A @ X @ Y )
           => ( X = Y ) ) ) ) ).

% gfp.leq_antisym
thf(fact_83_lfp_Oleq__trans,axiom,
    ! [A: $tType] :
      ( ( comple187826305attice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( ord_less_eq @ A @ Y @ Z )
           => ( ord_less_eq @ A @ X @ Z ) ) ) ) ).

% lfp.leq_trans
thf(fact_84_gfp_Oleq__trans,axiom,
    ! [A: $tType] :
      ( ( comple187826305attice @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A,Z: A] :
          ( ( ord_less_eq @ A @ Y @ X )
         => ( ( ord_less_eq @ A @ Z @ Y )
           => ( ord_less_eq @ A @ Z @ X ) ) ) ) ).

% gfp.leq_trans
thf(fact_85_UnCI,axiom,
    ! [A: $tType,C: A,B: set @ A,A3: set @ A] :
      ( ( ~ ( member @ A @ C @ B )
       => ( member @ A @ C @ A3 ) )
     => ( member @ A @ C @ ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ) ).

% UnCI
thf(fact_86_Un__iff,axiom,
    ! [A: $tType,C: A,A3: set @ A,B: set @ A] :
      ( ( member @ A @ C @ ( sup_sup @ ( set @ A ) @ A3 @ B ) )
      = ( ( member @ A @ C @ A3 )
        | ( member @ A @ C @ B ) ) ) ).

% Un_iff
thf(fact_87_Un__subset__iff,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C3: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ ( sup_sup @ ( set @ A ) @ A3 @ B ) @ C3 )
      = ( ( ord_less_eq @ ( set @ A ) @ A3 @ C3 )
        & ( ord_less_eq @ ( set @ A ) @ B @ C3 ) ) ) ).

% Un_subset_iff
thf(fact_88_lfinite__code_I2_J,axiom,
    ! [B4: $tType,X: B4,Xs: coinductive_llist @ B4] :
      ( ( coinductive_lfinite @ B4 @ ( coinductive_LCons @ B4 @ X @ Xs ) )
      = ( coinductive_lfinite @ B4 @ Xs ) ) ).

% lfinite_code(2)
thf(fact_89_lfinite__LCons,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ ( coinductive_LCons @ A @ X @ Xs ) )
      = ( coinductive_lfinite @ A @ Xs ) ) ).

% lfinite_LCons
thf(fact_90_lfinite__lappend,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) )
      = ( ( coinductive_lfinite @ A @ Xs )
        & ( coinductive_lfinite @ A @ Ys ) ) ) ).

% lfinite_lappend
thf(fact_91_lsorted__LCons__LCons,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Xs: coinductive_llist @ A] :
          ( ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LCons @ A @ Y @ Xs ) ) )
          = ( ( ord_less_eq @ A @ X @ Y )
            & ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ Y @ Xs ) ) ) ) ) ).

% lsorted_LCons_LCons
thf(fact_92_lset__lappend__lfinite,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) )
        = ( sup_sup @ ( set @ A ) @ ( coinductive_lset @ A @ Xs ) @ ( coinductive_lset @ A @ Ys ) ) ) ) ).

% lset_lappend_lfinite
thf(fact_93_UnE,axiom,
    ! [A: $tType,C: A,A3: set @ A,B: set @ A] :
      ( ( member @ A @ C @ ( sup_sup @ ( set @ A ) @ A3 @ B ) )
     => ( ~ ( member @ A @ C @ A3 )
       => ( member @ A @ C @ B ) ) ) ).

% UnE
thf(fact_94_UnI1,axiom,
    ! [A: $tType,C: A,A3: set @ A,B: set @ A] :
      ( ( member @ A @ C @ A3 )
     => ( member @ A @ C @ ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ) ).

% UnI1
thf(fact_95_UnI2,axiom,
    ! [A: $tType,C: A,B: set @ A,A3: set @ A] :
      ( ( member @ A @ C @ B )
     => ( member @ A @ C @ ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ) ).

% UnI2
thf(fact_96_bex__Un,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,P: A > $o] :
      ( ( ? [X4: A] :
            ( ( member @ A @ X4 @ ( sup_sup @ ( set @ A ) @ A3 @ B ) )
            & ( P @ X4 ) ) )
      = ( ? [X4: A] :
            ( ( member @ A @ X4 @ A3 )
            & ( P @ X4 ) )
        | ? [X4: A] :
            ( ( member @ A @ X4 @ B )
            & ( P @ X4 ) ) ) ) ).

% bex_Un
thf(fact_97_ball__Un,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,P: A > $o] :
      ( ( ! [X4: A] :
            ( ( member @ A @ X4 @ ( sup_sup @ ( set @ A ) @ A3 @ B ) )
           => ( P @ X4 ) ) )
      = ( ! [X4: A] :
            ( ( member @ A @ X4 @ A3 )
           => ( P @ X4 ) )
        & ! [X4: A] :
            ( ( member @ A @ X4 @ B )
           => ( P @ X4 ) ) ) ) ).

% ball_Un
thf(fact_98_Un__assoc,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C3: set @ A] :
      ( ( sup_sup @ ( set @ A ) @ ( sup_sup @ ( set @ A ) @ A3 @ B ) @ C3 )
      = ( sup_sup @ ( set @ A ) @ A3 @ ( sup_sup @ ( set @ A ) @ B @ C3 ) ) ) ).

% Un_assoc
thf(fact_99_Un__absorb,axiom,
    ! [A: $tType,A3: set @ A] :
      ( ( sup_sup @ ( set @ A ) @ A3 @ A3 )
      = A3 ) ).

% Un_absorb
thf(fact_100_Un__commute,axiom,
    ! [A: $tType] :
      ( ( sup_sup @ ( set @ A ) )
      = ( ^ [A5: set @ A,B5: set @ A] : ( sup_sup @ ( set @ A ) @ B5 @ A5 ) ) ) ).

% Un_commute
thf(fact_101_Un__left__absorb,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( sup_sup @ ( set @ A ) @ A3 @ ( sup_sup @ ( set @ A ) @ A3 @ B ) )
      = ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ).

% Un_left_absorb
thf(fact_102_Un__left__commute,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A,C3: set @ A] :
      ( ( sup_sup @ ( set @ A ) @ A3 @ ( sup_sup @ ( set @ A ) @ B @ C3 ) )
      = ( sup_sup @ ( set @ A ) @ B @ ( sup_sup @ ( set @ A ) @ A3 @ C3 ) ) ) ).

% Un_left_commute
thf(fact_103_lset__lappend__conv,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( ( coinductive_lfinite @ A @ Xs )
       => ( ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) )
          = ( sup_sup @ ( set @ A ) @ ( coinductive_lset @ A @ Xs ) @ ( coinductive_lset @ A @ Ys ) ) ) )
      & ( ~ ( coinductive_lfinite @ A @ Xs )
       => ( ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) )
          = ( coinductive_lset @ A @ Xs ) ) ) ) ).

% lset_lappend_conv
thf(fact_104_lfinite__LConsI,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,X: A] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( coinductive_lfinite @ A @ ( coinductive_LCons @ A @ X @ Xs ) ) ) ).

% lfinite_LConsI
thf(fact_105_lappend__inf,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ~ ( coinductive_lfinite @ A @ Xs )
     => ( ( coinductive_lappend @ A @ Xs @ Ys )
        = Xs ) ) ).

% lappend_inf
thf(fact_106_Un__mono,axiom,
    ! [A: $tType,A3: set @ A,C3: set @ A,B: set @ A,D: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ C3 )
     => ( ( ord_less_eq @ ( set @ A ) @ B @ D )
       => ( ord_less_eq @ ( set @ A ) @ ( sup_sup @ ( set @ A ) @ A3 @ B ) @ ( sup_sup @ ( set @ A ) @ C3 @ D ) ) ) ) ).

% Un_mono
thf(fact_107_Un__least,axiom,
    ! [A: $tType,A3: set @ A,C3: set @ A,B: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ C3 )
     => ( ( ord_less_eq @ ( set @ A ) @ B @ C3 )
       => ( ord_less_eq @ ( set @ A ) @ ( sup_sup @ ( set @ A ) @ A3 @ B ) @ C3 ) ) ) ).

% Un_least
thf(fact_108_Un__upper1,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] : ( ord_less_eq @ ( set @ A ) @ A3 @ ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ).

% Un_upper1
thf(fact_109_Un__upper2,axiom,
    ! [A: $tType,B: set @ A,A3: set @ A] : ( ord_less_eq @ ( set @ A ) @ B @ ( sup_sup @ ( set @ A ) @ A3 @ B ) ) ).

% Un_upper2
thf(fact_110_Un__absorb1,axiom,
    ! [A: $tType,A3: set @ A,B: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ A3 @ B )
     => ( ( sup_sup @ ( set @ A ) @ A3 @ B )
        = B ) ) ).

% Un_absorb1
thf(fact_111_Un__absorb2,axiom,
    ! [A: $tType,B: set @ A,A3: set @ A] :
      ( ( ord_less_eq @ ( set @ A ) @ B @ A3 )
     => ( ( sup_sup @ ( set @ A ) @ A3 @ B )
        = A3 ) ) ).

% Un_absorb2
thf(fact_112_subset__Un__eq,axiom,
    ! [A: $tType] :
      ( ( ord_less_eq @ ( set @ A ) )
      = ( ^ [A5: set @ A,B5: set @ A] :
            ( ( sup_sup @ ( set @ A ) @ A5 @ B5 )
            = B5 ) ) ) ).

% subset_Un_eq
thf(fact_113_in__lset__lappend__iff,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) ) )
      = ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
        | ( ( coinductive_lfinite @ A @ Xs )
          & ( member @ A @ X @ ( coinductive_lset @ A @ Ys ) ) ) ) ) ).

% in_lset_lappend_iff
thf(fact_114_paths__lappendD2,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Graph: A > A > $o] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ( member @ ( coinductive_llist @ A ) @ ( coinductive_lappend @ A @ Xs @ Ys ) @ ( koenig916195507_paths @ A @ Graph ) )
       => ( member @ ( coinductive_llist @ A ) @ Ys @ ( koenig916195507_paths @ A @ Graph ) ) ) ) ).

% paths_lappendD2
thf(fact_115_LCons__LCons,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Xs: coinductive_llist @ A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ Y @ Xs ) )
           => ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LCons @ A @ Y @ Xs ) ) ) ) ) ) ).

% LCons_LCons
thf(fact_116_split__llist,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ? [Ys2: coinductive_llist @ A,Zs2: coinductive_llist @ A] :
          ( ( Xs
            = ( coinductive_lappend @ A @ Ys2 @ ( coinductive_LCons @ A @ X @ Zs2 ) ) )
          & ( coinductive_lfinite @ A @ Ys2 ) ) ) ).

% split_llist
thf(fact_117_split__llist__first,axiom,
    ! [A: $tType,X: A,Xs: coinductive_llist @ A] :
      ( ( member @ A @ X @ ( coinductive_lset @ A @ Xs ) )
     => ? [Ys2: coinductive_llist @ A,Zs2: coinductive_llist @ A] :
          ( ( Xs
            = ( coinductive_lappend @ A @ Ys2 @ ( coinductive_LCons @ A @ X @ Zs2 ) ) )
          & ( coinductive_lfinite @ A @ Ys2 )
          & ~ ( member @ A @ X @ ( coinductive_lset @ A @ Ys2 ) ) ) ) ).

% split_llist_first
thf(fact_118_lfp_Oleq__refl,axiom,
    ! [A: $tType] :
      ( ( comple187826305attice @ A @ ( type2 @ A ) )
     => ! [X: A] : ( ord_less_eq @ A @ X @ X ) ) ).

% lfp.leq_refl
thf(fact_119_le__sup__iff,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( ord_less_eq @ A @ ( sup_sup @ A @ X @ Y ) @ Z )
          = ( ( ord_less_eq @ A @ X @ Z )
            & ( ord_less_eq @ A @ Y @ Z ) ) ) ) ).

% le_sup_iff
thf(fact_120_sup_Obounded__iff,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,C: A,A2: A] :
          ( ( ord_less_eq @ A @ ( sup_sup @ A @ B2 @ C ) @ A2 )
          = ( ( ord_less_eq @ A @ B2 @ A2 )
            & ( ord_less_eq @ A @ C @ A2 ) ) ) ) ).

% sup.bounded_iff
thf(fact_121_sup_Oright__idem,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] :
          ( ( sup_sup @ A @ ( sup_sup @ A @ A2 @ B2 ) @ B2 )
          = ( sup_sup @ A @ A2 @ B2 ) ) ) ).

% sup.right_idem
thf(fact_122_sup__left__idem,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( sup_sup @ A @ X @ ( sup_sup @ A @ X @ Y ) )
          = ( sup_sup @ A @ X @ Y ) ) ) ).

% sup_left_idem
thf(fact_123_sup_Oleft__idem,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] :
          ( ( sup_sup @ A @ A2 @ ( sup_sup @ A @ A2 @ B2 ) )
          = ( sup_sup @ A @ A2 @ B2 ) ) ) ).

% sup.left_idem
thf(fact_124_sup__idem,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A] :
          ( ( sup_sup @ A @ X @ X )
          = X ) ) ).

% sup_idem
thf(fact_125_sup__apply,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( semilattice_sup @ B4 @ ( type2 @ B4 ) )
     => ( ( sup_sup @ ( A > B4 ) )
        = ( ^ [F2: A > B4,G: A > B4,X4: A] : ( sup_sup @ B4 @ ( F2 @ X4 ) @ ( G @ X4 ) ) ) ) ) ).

% sup_apply
thf(fact_126_sup_Oidem,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A] :
          ( ( sup_sup @ A @ A2 @ A2 )
          = A2 ) ) ).

% sup.idem
thf(fact_127_inf__sup__aci_I8_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( sup_sup @ A @ X @ ( sup_sup @ A @ X @ Y ) )
          = ( sup_sup @ A @ X @ Y ) ) ) ).

% inf_sup_aci(8)
thf(fact_128_inf__sup__aci_I7_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( sup_sup @ A @ X @ ( sup_sup @ A @ Y @ Z ) )
          = ( sup_sup @ A @ Y @ ( sup_sup @ A @ X @ Z ) ) ) ) ).

% inf_sup_aci(7)
thf(fact_129_inf__sup__aci_I6_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( sup_sup @ A @ ( sup_sup @ A @ X @ Y ) @ Z )
          = ( sup_sup @ A @ X @ ( sup_sup @ A @ Y @ Z ) ) ) ) ).

% inf_sup_aci(6)
thf(fact_130_inf__sup__aci_I5_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ( ( sup_sup @ A )
        = ( ^ [X4: A,Y3: A] : ( sup_sup @ A @ Y3 @ X4 ) ) ) ) ).

% inf_sup_aci(5)
thf(fact_131_sup__fun__def,axiom,
    ! [B4: $tType,A: $tType] :
      ( ( semilattice_sup @ B4 @ ( type2 @ B4 ) )
     => ( ( sup_sup @ ( A > B4 ) )
        = ( ^ [F2: A > B4,G: A > B4,X4: A] : ( sup_sup @ B4 @ ( F2 @ X4 ) @ ( G @ X4 ) ) ) ) ) ).

% sup_fun_def
thf(fact_132_sup_Oassoc,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A,C: A] :
          ( ( sup_sup @ A @ ( sup_sup @ A @ A2 @ B2 ) @ C )
          = ( sup_sup @ A @ A2 @ ( sup_sup @ A @ B2 @ C ) ) ) ) ).

% sup.assoc
thf(fact_133_sup__assoc,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( sup_sup @ A @ ( sup_sup @ A @ X @ Y ) @ Z )
          = ( sup_sup @ A @ X @ ( sup_sup @ A @ Y @ Z ) ) ) ) ).

% sup_assoc
thf(fact_134_sup_Ocommute,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( sup_sup @ A )
        = ( ^ [A6: A,B6: A] : ( sup_sup @ A @ B6 @ A6 ) ) ) ) ).

% sup.commute
thf(fact_135_sup__commute,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( sup_sup @ A )
        = ( ^ [X4: A,Y3: A] : ( sup_sup @ A @ Y3 @ X4 ) ) ) ) ).

% sup_commute
thf(fact_136_sup_Oleft__commute,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A,C: A] :
          ( ( sup_sup @ A @ B2 @ ( sup_sup @ A @ A2 @ C ) )
          = ( sup_sup @ A @ A2 @ ( sup_sup @ A @ B2 @ C ) ) ) ) ).

% sup.left_commute
thf(fact_137_sup__left__commute,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A,Z: A] :
          ( ( sup_sup @ A @ X @ ( sup_sup @ A @ Y @ Z ) )
          = ( sup_sup @ A @ Y @ ( sup_sup @ A @ X @ Z ) ) ) ) ).

% sup_left_commute
thf(fact_138_sup_OcoboundedI2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [C: A,B2: A,A2: A] :
          ( ( ord_less_eq @ A @ C @ B2 )
         => ( ord_less_eq @ A @ C @ ( sup_sup @ A @ A2 @ B2 ) ) ) ) ).

% sup.coboundedI2
thf(fact_139_sup_OcoboundedI1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [C: A,A2: A,B2: A] :
          ( ( ord_less_eq @ A @ C @ A2 )
         => ( ord_less_eq @ A @ C @ ( sup_sup @ A @ A2 @ B2 ) ) ) ) ).

% sup.coboundedI1
thf(fact_140_sup_Oabsorb__iff2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( ord_less_eq @ A )
        = ( ^ [A6: A,B6: A] :
              ( ( sup_sup @ A @ A6 @ B6 )
              = B6 ) ) ) ) ).

% sup.absorb_iff2
thf(fact_141_sup_Oabsorb__iff1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( ord_less_eq @ A )
        = ( ^ [B6: A,A6: A] :
              ( ( sup_sup @ A @ A6 @ B6 )
              = A6 ) ) ) ) ).

% sup.absorb_iff1
thf(fact_142_sup_Ocobounded2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A] : ( ord_less_eq @ A @ B2 @ ( sup_sup @ A @ A2 @ B2 ) ) ) ).

% sup.cobounded2
thf(fact_143_sup_Ocobounded1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] : ( ord_less_eq @ A @ A2 @ ( sup_sup @ A @ A2 @ B2 ) ) ) ).

% sup.cobounded1
thf(fact_144_sup_Oorder__iff,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( ord_less_eq @ A )
        = ( ^ [B6: A,A6: A] :
              ( A6
              = ( sup_sup @ A @ A6 @ B6 ) ) ) ) ) ).

% sup.order_iff
thf(fact_145_sup_OboundedI,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A,C: A] :
          ( ( ord_less_eq @ A @ B2 @ A2 )
         => ( ( ord_less_eq @ A @ C @ A2 )
           => ( ord_less_eq @ A @ ( sup_sup @ A @ B2 @ C ) @ A2 ) ) ) ) ).

% sup.boundedI
thf(fact_146_sup_OboundedE,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,C: A,A2: A] :
          ( ( ord_less_eq @ A @ ( sup_sup @ A @ B2 @ C ) @ A2 )
         => ~ ( ( ord_less_eq @ A @ B2 @ A2 )
             => ~ ( ord_less_eq @ A @ C @ A2 ) ) ) ) ).

% sup.boundedE
thf(fact_147_sup__absorb2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] :
          ( ( ord_less_eq @ A @ X @ Y )
         => ( ( sup_sup @ A @ X @ Y )
            = Y ) ) ) ).

% sup_absorb2
thf(fact_148_sup__absorb1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A] :
          ( ( ord_less_eq @ A @ Y @ X )
         => ( ( sup_sup @ A @ X @ Y )
            = X ) ) ) ).

% sup_absorb1
thf(fact_149_sup_Oabsorb2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] :
          ( ( ord_less_eq @ A @ A2 @ B2 )
         => ( ( sup_sup @ A @ A2 @ B2 )
            = B2 ) ) ) ).

% sup.absorb2
thf(fact_150_sup_Oabsorb1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A] :
          ( ( ord_less_eq @ A @ B2 @ A2 )
         => ( ( sup_sup @ A @ A2 @ B2 )
            = A2 ) ) ) ).

% sup.absorb1
thf(fact_151_sup__unique,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [F: A > A > A,X: A,Y: A] :
          ( ! [X2: A,Y4: A] : ( ord_less_eq @ A @ X2 @ ( F @ X2 @ Y4 ) )
         => ( ! [X2: A,Y4: A] : ( ord_less_eq @ A @ Y4 @ ( F @ X2 @ Y4 ) )
           => ( ! [X2: A,Y4: A,Z3: A] :
                  ( ( ord_less_eq @ A @ Y4 @ X2 )
                 => ( ( ord_less_eq @ A @ Z3 @ X2 )
                   => ( ord_less_eq @ A @ ( F @ Y4 @ Z3 ) @ X2 ) ) )
             => ( ( sup_sup @ A @ X @ Y )
                = ( F @ X @ Y ) ) ) ) ) ) ).

% sup_unique
thf(fact_152_sup_OorderI,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A] :
          ( ( A2
            = ( sup_sup @ A @ A2 @ B2 ) )
         => ( ord_less_eq @ A @ B2 @ A2 ) ) ) ).

% sup.orderI
thf(fact_153_sup_OorderE,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [B2: A,A2: A] :
          ( ( ord_less_eq @ A @ B2 @ A2 )
         => ( A2
            = ( sup_sup @ A @ A2 @ B2 ) ) ) ) ).

% sup.orderE
thf(fact_154_le__iff__sup,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ( ( ord_less_eq @ A )
        = ( ^ [X4: A,Y3: A] :
              ( ( sup_sup @ A @ X4 @ Y3 )
              = Y3 ) ) ) ) ).

% le_iff_sup
thf(fact_155_sup__least,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A,Z: A] :
          ( ( ord_less_eq @ A @ Y @ X )
         => ( ( ord_less_eq @ A @ Z @ X )
           => ( ord_less_eq @ A @ ( sup_sup @ A @ Y @ Z ) @ X ) ) ) ) ).

% sup_least
thf(fact_156_sup__mono,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,C: A,B2: A,D2: A] :
          ( ( ord_less_eq @ A @ A2 @ C )
         => ( ( ord_less_eq @ A @ B2 @ D2 )
           => ( ord_less_eq @ A @ ( sup_sup @ A @ A2 @ B2 ) @ ( sup_sup @ A @ C @ D2 ) ) ) ) ) ).

% sup_mono
thf(fact_157_sup_Omono,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [C: A,A2: A,D2: A,B2: A] :
          ( ( ord_less_eq @ A @ C @ A2 )
         => ( ( ord_less_eq @ A @ D2 @ B2 )
           => ( ord_less_eq @ A @ ( sup_sup @ A @ C @ D2 ) @ ( sup_sup @ A @ A2 @ B2 ) ) ) ) ) ).

% sup.mono
thf(fact_158_le__supI2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,B2: A,A2: A] :
          ( ( ord_less_eq @ A @ X @ B2 )
         => ( ord_less_eq @ A @ X @ ( sup_sup @ A @ A2 @ B2 ) ) ) ) ).

% le_supI2
thf(fact_159_le__supI1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,A2: A,B2: A] :
          ( ( ord_less_eq @ A @ X @ A2 )
         => ( ord_less_eq @ A @ X @ ( sup_sup @ A @ A2 @ B2 ) ) ) ) ).

% le_supI1
thf(fact_160_sup__ge2,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A] : ( ord_less_eq @ A @ Y @ ( sup_sup @ A @ X @ Y ) ) ) ).

% sup_ge2
thf(fact_161_sup__ge1,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] : ( ord_less_eq @ A @ X @ ( sup_sup @ A @ X @ Y ) ) ) ).

% sup_ge1
thf(fact_162_le__supI,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,X: A,B2: A] :
          ( ( ord_less_eq @ A @ A2 @ X )
         => ( ( ord_less_eq @ A @ B2 @ X )
           => ( ord_less_eq @ A @ ( sup_sup @ A @ A2 @ B2 ) @ X ) ) ) ) ).

% le_supI
thf(fact_163_le__supE,axiom,
    ! [A: $tType] :
      ( ( semilattice_sup @ A @ ( type2 @ A ) )
     => ! [A2: A,B2: A,X: A] :
          ( ( ord_less_eq @ A @ ( sup_sup @ A @ A2 @ B2 ) @ X )
         => ~ ( ( ord_less_eq @ A @ A2 @ X )
             => ~ ( ord_less_eq @ A @ B2 @ X ) ) ) ) ).

% le_supE
thf(fact_164_inf__sup__ord_I3_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ! [X: A,Y: A] : ( ord_less_eq @ A @ X @ ( sup_sup @ A @ X @ Y ) ) ) ).

% inf_sup_ord(3)
thf(fact_165_inf__sup__ord_I4_J,axiom,
    ! [A: $tType] :
      ( ( lattice @ A @ ( type2 @ A ) )
     => ! [Y: A,X: A] : ( ord_less_eq @ A @ Y @ ( sup_sup @ A @ X @ Y ) ) ) ).

% inf_sup_ord(4)
thf(fact_166_reachable__viap_Oinducts,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,Ns: set @ Node,N: Node,X: Node,P: Node > $o] :
      ( ( koenig1757754772e_viap @ Node @ Graph @ Ns @ N @ X )
     => ( ! [Xs2: coinductive_llist @ Node,N4: Node] :
            ( ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ N @ Xs2 ) )
           => ( ( member @ Node @ N4 @ ( coinductive_lset @ Node @ Xs2 ) )
             => ( ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs2 ) @ Ns )
               => ( P @ N4 ) ) ) )
       => ( P @ X ) ) ) ).

% reachable_viap.inducts
thf(fact_167_reachable__viap_Ointros,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,N: Node,Xs: coinductive_llist @ Node,N3: Node,Ns: set @ Node] :
      ( ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ N @ Xs ) )
     => ( ( member @ Node @ N3 @ ( coinductive_lset @ Node @ Xs ) )
       => ( ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs ) @ Ns )
         => ( koenig1757754772e_viap @ Node @ Graph @ Ns @ N @ N3 ) ) ) ) ).

% reachable_viap.intros
thf(fact_168_reachable__viap_Osimps,axiom,
    ! [Node: $tType] :
      ( ( koenig1757754772e_viap @ Node )
      = ( ^ [Graph2: Node > Node > $o,Ns2: set @ Node,N5: Node,A6: Node] :
          ? [Xs3: coinductive_llist @ Node,N2: Node] :
            ( ( A6 = N2 )
            & ( koenig2031690877pathsp @ Node @ Graph2 @ ( coinductive_LCons @ Node @ N5 @ Xs3 ) )
            & ( member @ Node @ N2 @ ( coinductive_lset @ Node @ Xs3 ) )
            & ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs3 ) @ Ns2 ) ) ) ) ).

% reachable_viap.simps
thf(fact_169_reachable__viap_Ocases,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,Ns: set @ Node,N: Node,A2: Node] :
      ( ( koenig1757754772e_viap @ Node @ Graph @ Ns @ N @ A2 )
     => ~ ! [Xs2: coinductive_llist @ Node] :
            ( ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ N @ Xs2 ) )
           => ( ( member @ Node @ A2 @ ( coinductive_lset @ Node @ Xs2 ) )
             => ~ ( ord_less_eq @ ( set @ Node ) @ ( coinductive_lset @ Node @ Xs2 ) @ Ns ) ) ) ) ).

% reachable_viap.cases
thf(fact_170_pathsp_OLCons,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,X: Node,Y: Node,Xs: coinductive_llist @ Node] :
      ( ( Graph @ X @ Y )
     => ( ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ Y @ Xs ) )
       => ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ X @ ( coinductive_LCons @ Node @ Y @ Xs ) ) ) ) ) ).

% pathsp.LCons
thf(fact_171_pathsp__paths__eq,axiom,
    ! [Node: $tType] :
      ( ( koenig2031690877pathsp @ Node )
      = ( ^ [Graph2: Node > Node > $o,X4: coinductive_llist @ Node] : ( member @ ( coinductive_llist @ Node ) @ X4 @ ( koenig916195507_paths @ Node @ Graph2 ) ) ) ) ).

% pathsp_paths_eq
thf(fact_172_llast__lappend__LCons,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ( coinductive_llast @ A @ ( coinductive_lappend @ A @ Xs @ ( coinductive_LCons @ A @ Y @ Ys ) ) )
        = ( coinductive_llast @ A @ ( coinductive_LCons @ A @ Y @ Ys ) ) ) ) ).

% llast_lappend_LCons
thf(fact_173_gen__lset__def,axiom,
    ! [A: $tType] :
      ( ( coinductive_gen_lset @ A )
      = ( ^ [A5: set @ A,Xs3: coinductive_llist @ A] : ( sup_sup @ ( set @ A ) @ A5 @ ( coinductive_lset @ A @ Xs3 ) ) ) ) ).

% gen_lset_def
thf(fact_174_lfilter__eq__LConsD,axiom,
    ! [A: $tType,P: A > $o,Ys: coinductive_llist @ A,X: A,Xs: coinductive_llist @ A] :
      ( ( ( coinductive_lfilter @ A @ P @ Ys )
        = ( coinductive_LCons @ A @ X @ Xs ) )
     => ? [Us: coinductive_llist @ A,Vs: coinductive_llist @ A] :
          ( ( Ys
            = ( coinductive_lappend @ A @ Us @ ( coinductive_LCons @ A @ X @ Vs ) ) )
          & ( coinductive_lfinite @ A @ Us )
          & ! [X6: A] :
              ( ( member @ A @ X6 @ ( coinductive_lset @ A @ Us ) )
             => ~ ( P @ X6 ) )
          & ( P @ X )
          & ( Xs
            = ( coinductive_lfilter @ A @ P @ Vs ) ) ) ) ).

% lfilter_eq_LConsD
thf(fact_175_lfilter__idem,axiom,
    ! [A: $tType,P: A > $o,Xs: coinductive_llist @ A] :
      ( ( coinductive_lfilter @ A @ P @ ( coinductive_lfilter @ A @ P @ Xs ) )
      = ( coinductive_lfilter @ A @ P @ Xs ) ) ).

% lfilter_idem
thf(fact_176_lfilter__LCons,axiom,
    ! [A: $tType,P: A > $o,X: A,Xs: coinductive_llist @ A] :
      ( ( ( P @ X )
       => ( ( coinductive_lfilter @ A @ P @ ( coinductive_LCons @ A @ X @ Xs ) )
          = ( coinductive_LCons @ A @ X @ ( coinductive_lfilter @ A @ P @ Xs ) ) ) )
      & ( ~ ( P @ X )
       => ( ( coinductive_lfilter @ A @ P @ ( coinductive_LCons @ A @ X @ Xs ) )
          = ( coinductive_lfilter @ A @ P @ Xs ) ) ) ) ).

% lfilter_LCons
thf(fact_177_llast__LCons2,axiom,
    ! [A: $tType,X: A,Y: A,Xs: coinductive_llist @ A] :
      ( ( coinductive_llast @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LCons @ A @ Y @ Xs ) ) )
      = ( coinductive_llast @ A @ ( coinductive_LCons @ A @ Y @ Xs ) ) ) ).

% llast_LCons2
thf(fact_178_lfilter__lappend__lfinite,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,P: A > $o,Ys: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ( coinductive_lfilter @ A @ P @ ( coinductive_lappend @ A @ Xs @ Ys ) )
        = ( coinductive_lappend @ A @ ( coinductive_lfilter @ A @ P @ Xs ) @ ( coinductive_lfilter @ A @ P @ Ys ) ) ) ) ).

% lfilter_lappend_lfinite
thf(fact_179_lsorted__lfilterI,axiom,
    ! [A: $tType] :
      ( ( preorder @ A @ ( type2 @ A ) )
     => ! [Xs: coinductive_llist @ A,P: A > $o] :
          ( ( coindu63249387sorted @ A @ Xs )
         => ( coindu63249387sorted @ A @ ( coinductive_lfilter @ A @ P @ Xs ) ) ) ) ).

% lsorted_lfilterI
thf(fact_180_lfinite__lfilterI,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,P: A > $o] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( coinductive_lfinite @ A @ ( coinductive_lfilter @ A @ P @ Xs ) ) ) ).

% lfinite_lfilterI
thf(fact_181_lfilter__cong,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,P: A > $o,Q: A > $o] :
      ( ( Xs = Ys )
     => ( ! [X2: A] :
            ( ( member @ A @ X2 @ ( coinductive_lset @ A @ Ys ) )
           => ( ( P @ X2 )
              = ( Q @ X2 ) ) )
       => ( ( coinductive_lfilter @ A @ P @ Xs )
          = ( coinductive_lfilter @ A @ Q @ Ys ) ) ) ) ).

% lfilter_cong
thf(fact_182_lfilter__id__conv,axiom,
    ! [A: $tType,P: A > $o,Xs: coinductive_llist @ A] :
      ( ( ( coinductive_lfilter @ A @ P @ Xs )
        = Xs )
      = ( ! [X4: A] :
            ( ( member @ A @ X4 @ ( coinductive_lset @ A @ Xs ) )
           => ( P @ X4 ) ) ) ) ).

% lfilter_id_conv
thf(fact_183_lfilter__LCons__seek,axiom,
    ! [A: $tType,P2: A > $o,X: A,L: coinductive_llist @ A] :
      ( ~ ( P2 @ X )
     => ( ( coinductive_lfilter @ A @ P2 @ ( coinductive_LCons @ A @ X @ L ) )
        = ( coinductive_lfilter @ A @ P2 @ L ) ) ) ).

% lfilter_LCons_seek
thf(fact_184_lfilter__LCons__found,axiom,
    ! [A: $tType,P: A > $o,X: A,Xs: coinductive_llist @ A] :
      ( ( P @ X )
     => ( ( coinductive_lfilter @ A @ P @ ( coinductive_LCons @ A @ X @ Xs ) )
        = ( coinductive_LCons @ A @ X @ ( coinductive_lfilter @ A @ P @ Xs ) ) ) ) ).

% lfilter_LCons_found
thf(fact_185_lfilter__eq__lappend__lfiniteD,axiom,
    ! [A: $tType,P: A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A] :
      ( ( ( coinductive_lfilter @ A @ P @ Xs )
        = ( coinductive_lappend @ A @ Ys @ Zs ) )
     => ( ( coinductive_lfinite @ A @ Ys )
       => ? [Us: coinductive_llist @ A,Vs: coinductive_llist @ A] :
            ( ( Xs
              = ( coinductive_lappend @ A @ Us @ Vs ) )
            & ( coinductive_lfinite @ A @ Us )
            & ( Ys
              = ( coinductive_lfilter @ A @ P @ Us ) )
            & ( Zs
              = ( coinductive_lfilter @ A @ P @ Vs ) ) ) ) ) ).

% lfilter_eq_lappend_lfiniteD
thf(fact_186_llexord__lappend__left,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,R: A > A > $o,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ! [X2: A] :
            ( ( member @ A @ X2 @ ( coinductive_lset @ A @ Xs ) )
           => ~ ( R @ X2 @ X2 ) )
       => ( ( coinductive_llexord @ A @ R @ ( coinductive_lappend @ A @ Xs @ Ys ) @ ( coinductive_lappend @ A @ Xs @ Zs ) )
          = ( coinductive_llexord @ A @ R @ Ys @ Zs ) ) ) ) ).

% llexord_lappend_left
thf(fact_187_llexord__lappend__leftD,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ ( coinductive_lappend @ A @ Xs @ Ys ) @ ( coinductive_lappend @ A @ Xs @ Zs ) )
     => ( ( coinductive_lfinite @ A @ Xs )
       => ( ! [X2: A] :
              ( ( member @ A @ X2 @ ( coinductive_lset @ A @ Xs ) )
             => ~ ( R @ X2 @ X2 ) )
         => ( coinductive_llexord @ A @ R @ Ys @ Zs ) ) ) ) ).

% llexord_lappend_leftD
thf(fact_188_lfinite__rev__induct,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,P: ( coinductive_llist @ A ) > $o] :
      ( ( coinductive_lfinite @ A @ Xs )
     => ( ( P @ ( coinductive_LNil @ A ) )
       => ( ! [X2: A,Xs2: coinductive_llist @ A] :
              ( ( coinductive_lfinite @ A @ Xs2 )
             => ( ( P @ Xs2 )
               => ( P @ ( coinductive_lappend @ A @ Xs2 @ ( coinductive_LCons @ A @ X2 @ ( coinductive_LNil @ A ) ) ) ) ) )
         => ( P @ Xs ) ) ) ) ).

% lfinite_rev_induct
thf(fact_189_llexord__refl,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A] : ( coinductive_llexord @ A @ R @ Xs @ Xs ) ).

% llexord_refl
thf(fact_190_lappend__code_I1_J,axiom,
    ! [A: $tType,Ys: coinductive_llist @ A] :
      ( ( coinductive_lappend @ A @ ( coinductive_LNil @ A ) @ Ys )
      = Ys ) ).

% lappend_code(1)
thf(fact_191_lappend__LNil2,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A] :
      ( ( coinductive_lappend @ A @ Xs @ ( coinductive_LNil @ A ) )
      = Xs ) ).

% lappend_LNil2
thf(fact_192_lfinite__code_I1_J,axiom,
    ! [A: $tType] : ( coinductive_lfinite @ A @ ( coinductive_LNil @ A ) ) ).

% lfinite_code(1)
thf(fact_193_lfilter__LNil,axiom,
    ! [A: $tType,P: A > $o] :
      ( ( coinductive_lfilter @ A @ P @ ( coinductive_LNil @ A ) )
      = ( coinductive_LNil @ A ) ) ).

% lfilter_LNil
thf(fact_194_llexord__LCons__LCons,axiom,
    ! [A: $tType,R: A > A > $o,X: A,Xs: coinductive_llist @ A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ ( coinductive_LCons @ A @ Y @ Ys ) )
      = ( ( ( X = Y )
          & ( coinductive_llexord @ A @ R @ Xs @ Ys ) )
        | ( R @ X @ Y ) ) ) ).

% llexord_LCons_LCons
thf(fact_195_lsorted__code_I1_J,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ( coindu63249387sorted @ A @ ( coinductive_LNil @ A ) ) ) ).

% lsorted_code(1)
thf(fact_196_llexord__code_I1_J,axiom,
    ! [A: $tType,R: A > A > $o,Ys: coinductive_llist @ A] : ( coinductive_llexord @ A @ R @ ( coinductive_LNil @ A ) @ Ys ) ).

% llexord_code(1)
thf(fact_197_diverge__lfilter__LNil,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,P: A > $o] :
      ( ! [X2: A] :
          ( ( member @ A @ X2 @ ( coinductive_lset @ A @ Xs ) )
         => ~ ( P @ X2 ) )
     => ( ( coinductive_lfilter @ A @ P @ Xs )
        = ( coinductive_LNil @ A ) ) ) ).

% diverge_lfilter_LNil
thf(fact_198_lsorted__code_I2_J,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X: A] : ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LNil @ A ) ) ) ) ).

% lsorted_code(2)
thf(fact_199_llast__singleton,axiom,
    ! [A: $tType,X: A] :
      ( ( coinductive_llast @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LNil @ A ) ) )
      = X ) ).

% llast_singleton
thf(fact_200_gen__lset__code_I1_J,axiom,
    ! [A: $tType,A3: set @ A] :
      ( ( coinductive_gen_lset @ A @ A3 @ ( coinductive_LNil @ A ) )
      = A3 ) ).

% gen_lset_code(1)
thf(fact_201_neq__LNil__conv,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A] :
      ( ( Xs
       != ( coinductive_LNil @ A ) )
      = ( ? [X4: A,Xs6: coinductive_llist @ A] :
            ( Xs
            = ( coinductive_LCons @ A @ X4 @ Xs6 ) ) ) ) ).

% neq_LNil_conv
thf(fact_202_llist_Oexhaust,axiom,
    ! [A: $tType,Y: coinductive_llist @ A] :
      ( ( Y
       != ( coinductive_LNil @ A ) )
     => ~ ! [X212: A,X222: coinductive_llist @ A] :
            ( Y
           != ( coinductive_LCons @ A @ X212 @ X222 ) ) ) ).

% llist.exhaust
thf(fact_203_llist_Odistinct_I1_J,axiom,
    ! [A: $tType,X21: A,X22: coinductive_llist @ A] :
      ( ( coinductive_LNil @ A )
     != ( coinductive_LCons @ A @ X21 @ X22 ) ) ).

% llist.distinct(1)
thf(fact_204_lappend__LNil__LNil,axiom,
    ! [A: $tType] :
      ( ( coinductive_lappend @ A @ ( coinductive_LNil @ A ) @ ( coinductive_LNil @ A ) )
      = ( coinductive_LNil @ A ) ) ).

% lappend_LNil_LNil
thf(fact_205_LNil__eq__lappend__iff,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( ( coinductive_LNil @ A )
        = ( coinductive_lappend @ A @ Xs @ Ys ) )
      = ( ( Xs
          = ( coinductive_LNil @ A ) )
        & ( Ys
          = ( coinductive_LNil @ A ) ) ) ) ).

% LNil_eq_lappend_iff
thf(fact_206_lappend__eq__LNil__iff,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( ( coinductive_lappend @ A @ Xs @ Ys )
        = ( coinductive_LNil @ A ) )
      = ( ( Xs
          = ( coinductive_LNil @ A ) )
        & ( Ys
          = ( coinductive_LNil @ A ) ) ) ) ).

% lappend_eq_LNil_iff
thf(fact_207_lfinite__LNil,axiom,
    ! [A: $tType] : ( coinductive_lfinite @ A @ ( coinductive_LNil @ A ) ) ).

% lfinite_LNil
thf(fact_208_llexord__LCons__less,axiom,
    ! [A: $tType,R: A > A > $o,X: A,Y: A,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( R @ X @ Y )
     => ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ ( coinductive_LCons @ A @ Y @ Ys ) ) ) ).

% llexord_LCons_less
thf(fact_209_llexord__LCons__eq,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,X: A] :
      ( ( coinductive_llexord @ A @ R @ Xs @ Ys )
     => ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ ( coinductive_LCons @ A @ X @ Ys ) ) ) ).

% llexord_LCons_eq
thf(fact_210_llexord__LCons__left,axiom,
    ! [A: $tType,R: A > A > $o,X: A,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ Ys )
      = ( ? [Y3: A,Ys3: coinductive_llist @ A] :
            ( ( Ys
              = ( coinductive_LCons @ A @ Y3 @ Ys3 ) )
            & ( ( ( X = Y3 )
                & ( coinductive_llexord @ A @ R @ Xs @ Ys3 ) )
              | ( R @ X @ Y3 ) ) ) ) ) ).

% llexord_LCons_left
thf(fact_211_llexord__code_I3_J,axiom,
    ! [A: $tType,R: A > A > $o,X: A,Xs: coinductive_llist @ A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ ( coinductive_LCons @ A @ Y @ Ys ) )
      = ( ( R @ X @ Y )
        | ( ( X = Y )
          & ( coinductive_llexord @ A @ R @ Xs @ Ys ) ) ) ) ).

% llexord_code(3)
thf(fact_212_llexord__append__right,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] : ( coinductive_llexord @ A @ R @ Xs @ ( coinductive_lappend @ A @ Xs @ Ys ) ) ).

% llexord_append_right
thf(fact_213_llexord__lappend__leftI,axiom,
    ! [A: $tType,R: A > A > $o,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A,Xs: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ Ys @ Zs )
     => ( coinductive_llexord @ A @ R @ ( coinductive_lappend @ A @ Xs @ Ys ) @ ( coinductive_lappend @ A @ Xs @ Zs ) ) ) ).

% llexord_lappend_leftI
thf(fact_214_LNil,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ( coindu63249387sorted @ A @ ( coinductive_LNil @ A ) ) ) ).

% LNil
thf(fact_215_paths_OEmpty,axiom,
    ! [Node: $tType,Graph: Node > Node > $o] : ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LNil @ Node ) @ ( koenig916195507_paths @ Node @ Graph ) ) ).

% paths.Empty
thf(fact_216_llexord__trans,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A,Zs: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ Xs @ Ys )
     => ( ( coinductive_llexord @ A @ R @ Ys @ Zs )
       => ( ! [A4: A,B3: A,C4: A] :
              ( ( R @ A4 @ B3 )
             => ( ( R @ B3 @ C4 )
               => ( R @ A4 @ C4 ) ) )
         => ( coinductive_llexord @ A @ R @ Xs @ Zs ) ) ) ) ).

% llexord_trans
thf(fact_217_llexord__linear,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ! [X2: A,Y4: A] :
          ( ( R @ X2 @ Y4 )
          | ( X2 = Y4 )
          | ( R @ Y4 @ X2 ) )
     => ( ( coinductive_llexord @ A @ R @ Xs @ Ys )
        | ( coinductive_llexord @ A @ R @ Ys @ Xs ) ) ) ).

% llexord_linear
thf(fact_218_llexord__antisym,axiom,
    ! [A: $tType,R: A > A > $o,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ Xs @ Ys )
     => ( ( coinductive_llexord @ A @ R @ Ys @ Xs )
       => ( ! [A4: A,B3: A] :
              ( ( R @ A4 @ B3 )
             => ~ ( R @ B3 @ A4 ) )
         => ( Xs = Ys ) ) ) ) ).

% llexord_antisym
thf(fact_219_llexord__LNil,axiom,
    ! [A: $tType,R: A > A > $o,Ys: coinductive_llist @ A] : ( coinductive_llexord @ A @ R @ ( coinductive_LNil @ A ) @ Ys ) ).

% llexord_LNil
thf(fact_220_llexord__code_I2_J,axiom,
    ! [A: $tType,R: A > A > $o,X: A,Xs: coinductive_llist @ A] :
      ~ ( coinductive_llexord @ A @ R @ ( coinductive_LCons @ A @ X @ Xs ) @ ( coinductive_LNil @ A ) ) ).

% llexord_code(2)
thf(fact_221_llexord_Ocases,axiom,
    ! [A: $tType,R: A > A > $o,A1: coinductive_llist @ A,A22: coinductive_llist @ A] :
      ( ( coinductive_llexord @ A @ R @ A1 @ A22 )
     => ( ! [Xs2: coinductive_llist @ A,Ys2: coinductive_llist @ A,X2: A] :
            ( ( A1
              = ( coinductive_LCons @ A @ X2 @ Xs2 ) )
           => ( ( A22
                = ( coinductive_LCons @ A @ X2 @ Ys2 ) )
             => ~ ( coinductive_llexord @ A @ R @ Xs2 @ Ys2 ) ) )
       => ( ! [X2: A] :
              ( ? [Xs2: coinductive_llist @ A] :
                  ( A1
                  = ( coinductive_LCons @ A @ X2 @ Xs2 ) )
             => ! [Y4: A] :
                  ( ? [Ys2: coinductive_llist @ A] :
                      ( A22
                      = ( coinductive_LCons @ A @ Y4 @ Ys2 ) )
                 => ~ ( R @ X2 @ Y4 ) ) )
         => ~ ( ( A1
                = ( coinductive_LNil @ A ) )
             => ! [Ys2: coinductive_llist @ A] : ( A22 != Ys2 ) ) ) ) ) ).

% llexord.cases
thf(fact_222_llexord_Osimps,axiom,
    ! [A: $tType] :
      ( ( coinductive_llexord @ A )
      = ( ^ [R2: A > A > $o,A12: coinductive_llist @ A,A23: coinductive_llist @ A] :
            ( ? [Xs3: coinductive_llist @ A,Ys4: coinductive_llist @ A,X4: A] :
                ( ( A12
                  = ( coinductive_LCons @ A @ X4 @ Xs3 ) )
                & ( A23
                  = ( coinductive_LCons @ A @ X4 @ Ys4 ) )
                & ( coinductive_llexord @ A @ R2 @ Xs3 @ Ys4 ) )
            | ? [X4: A,Y3: A,Xs3: coinductive_llist @ A,Ys4: coinductive_llist @ A] :
                ( ( A12
                  = ( coinductive_LCons @ A @ X4 @ Xs3 ) )
                & ( A23
                  = ( coinductive_LCons @ A @ Y3 @ Ys4 ) )
                & ( R2 @ X4 @ Y3 ) )
            | ? [Ys4: coinductive_llist @ A] :
                ( ( A12
                  = ( coinductive_LNil @ A ) )
                & ( A23 = Ys4 ) ) ) ) ) ).

% llexord.simps
thf(fact_223_llexord_Ocoinduct,axiom,
    ! [A: $tType,X7: ( coinductive_llist @ A ) > ( coinductive_llist @ A ) > $o,X: coinductive_llist @ A,Xa: coinductive_llist @ A,R: A > A > $o] :
      ( ( X7 @ X @ Xa )
     => ( ! [X2: coinductive_llist @ A,Xa2: coinductive_llist @ A] :
            ( ( X7 @ X2 @ Xa2 )
           => ( ? [Xs7: coinductive_llist @ A,Ys5: coinductive_llist @ A,Xb: A] :
                  ( ( X2
                    = ( coinductive_LCons @ A @ Xb @ Xs7 ) )
                  & ( Xa2
                    = ( coinductive_LCons @ A @ Xb @ Ys5 ) )
                  & ( ( X7 @ Xs7 @ Ys5 )
                    | ( coinductive_llexord @ A @ R @ Xs7 @ Ys5 ) ) )
              | ? [Xb: A,Y5: A,Xs7: coinductive_llist @ A,Ys5: coinductive_llist @ A] :
                  ( ( X2
                    = ( coinductive_LCons @ A @ Xb @ Xs7 ) )
                  & ( Xa2
                    = ( coinductive_LCons @ A @ Y5 @ Ys5 ) )
                  & ( R @ Xb @ Y5 ) )
              | ? [Ys5: coinductive_llist @ A] :
                  ( ( X2
                    = ( coinductive_LNil @ A ) )
                  & ( Xa2 = Ys5 ) ) ) )
       => ( coinductive_llexord @ A @ R @ X @ Xa ) ) ) ).

% llexord.coinduct
thf(fact_224_lmember__code_I1_J,axiom,
    ! [A: $tType,X: A] :
      ~ ( coinductive_lmember @ A @ X @ ( coinductive_LNil @ A ) ) ).

% lmember_code(1)
thf(fact_225_pathsp_OEmpty,axiom,
    ! [Node: $tType,Graph: Node > Node > $o] : ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LNil @ Node ) ) ).

% pathsp.Empty
thf(fact_226_lappend__snocL1__conv__LCons2,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lappend @ A @ ( coinductive_lappend @ A @ Xs @ ( coinductive_LCons @ A @ Y @ ( coinductive_LNil @ A ) ) ) @ Ys )
      = ( coinductive_lappend @ A @ Xs @ ( coinductive_LCons @ A @ Y @ Ys ) ) ) ).

% lappend_snocL1_conv_LCons2
thf(fact_227_lfinite_Ocases,axiom,
    ! [A: $tType,A2: coinductive_llist @ A] :
      ( ( coinductive_lfinite @ A @ A2 )
     => ( ( A2
         != ( coinductive_LNil @ A ) )
       => ~ ! [Xs2: coinductive_llist @ A] :
              ( ? [X2: A] :
                  ( A2
                  = ( coinductive_LCons @ A @ X2 @ Xs2 ) )
             => ~ ( coinductive_lfinite @ A @ Xs2 ) ) ) ) ).

% lfinite.cases
thf(fact_228_lfinite_Osimps,axiom,
    ! [A: $tType] :
      ( ( coinductive_lfinite @ A )
      = ( ^ [A6: coinductive_llist @ A] :
            ( ( A6
              = ( coinductive_LNil @ A ) )
            | ? [Xs3: coinductive_llist @ A,X4: A] :
                ( ( A6
                  = ( coinductive_LCons @ A @ X4 @ Xs3 ) )
                & ( coinductive_lfinite @ A @ Xs3 ) ) ) ) ) ).

% lfinite.simps
thf(fact_229_lfinite_Oinducts,axiom,
    ! [A: $tType,X: coinductive_llist @ A,P: ( coinductive_llist @ A ) > $o] :
      ( ( coinductive_lfinite @ A @ X )
     => ( ( P @ ( coinductive_LNil @ A ) )
       => ( ! [Xs2: coinductive_llist @ A,X2: A] :
              ( ( coinductive_lfinite @ A @ Xs2 )
             => ( ( P @ Xs2 )
               => ( P @ ( coinductive_LCons @ A @ X2 @ Xs2 ) ) ) )
         => ( P @ X ) ) ) ) ).

% lfinite.inducts
thf(fact_230_lfilter__empty__conv,axiom,
    ! [A: $tType,P: A > $o,Xs: coinductive_llist @ A] :
      ( ( ( coinductive_lfilter @ A @ P @ Xs )
        = ( coinductive_LNil @ A ) )
      = ( ! [X4: A] :
            ( ( member @ A @ X4 @ ( coinductive_lset @ A @ Xs ) )
           => ~ ( P @ X4 ) ) ) ) ).

% lfilter_empty_conv
thf(fact_231_Singleton,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X: A] : ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ ( coinductive_LNil @ A ) ) ) ) ).

% Singleton
thf(fact_232_paths_Ocases,axiom,
    ! [Node: $tType,A2: coinductive_llist @ Node,Graph: Node > Node > $o] :
      ( ( member @ ( coinductive_llist @ Node ) @ A2 @ ( koenig916195507_paths @ Node @ Graph ) )
     => ( ( A2
         != ( coinductive_LNil @ Node ) )
       => ( ! [X2: Node] :
              ( A2
             != ( coinductive_LCons @ Node @ X2 @ ( coinductive_LNil @ Node ) ) )
         => ~ ! [X2: Node,Y4: Node,Xs2: coinductive_llist @ Node] :
                ( ( A2
                  = ( coinductive_LCons @ Node @ X2 @ ( coinductive_LCons @ Node @ Y4 @ Xs2 ) ) )
               => ( ( Graph @ X2 @ Y4 )
                 => ~ ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ Y4 @ Xs2 ) @ ( koenig916195507_paths @ Node @ Graph ) ) ) ) ) ) ) ).

% paths.cases
thf(fact_233_paths_Osimps,axiom,
    ! [Node: $tType,A2: coinductive_llist @ Node,Graph: Node > Node > $o] :
      ( ( member @ ( coinductive_llist @ Node ) @ A2 @ ( koenig916195507_paths @ Node @ Graph ) )
      = ( ( A2
          = ( coinductive_LNil @ Node ) )
        | ? [X4: Node] :
            ( A2
            = ( coinductive_LCons @ Node @ X4 @ ( coinductive_LNil @ Node ) ) )
        | ? [X4: Node,Y3: Node,Xs3: coinductive_llist @ Node] :
            ( ( A2
              = ( coinductive_LCons @ Node @ X4 @ ( coinductive_LCons @ Node @ Y3 @ Xs3 ) ) )
            & ( Graph @ X4 @ Y3 )
            & ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ Y3 @ Xs3 ) @ ( koenig916195507_paths @ Node @ Graph ) ) ) ) ) ).

% paths.simps
thf(fact_234_paths_OSingle,axiom,
    ! [Node: $tType,X: Node,Graph: Node > Node > $o] : ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ X @ ( coinductive_LNil @ Node ) ) @ ( koenig916195507_paths @ Node @ Graph ) ) ).

% paths.Single
thf(fact_235_paths_Ocoinduct,axiom,
    ! [Node: $tType,X7: ( coinductive_llist @ Node ) > $o,X: coinductive_llist @ Node,Graph: Node > Node > $o] :
      ( ( X7 @ X )
     => ( ! [X2: coinductive_llist @ Node] :
            ( ( X7 @ X2 )
           => ( ( X2
                = ( coinductive_LNil @ Node ) )
              | ? [Xa3: Node] :
                  ( X2
                  = ( coinductive_LCons @ Node @ Xa3 @ ( coinductive_LNil @ Node ) ) )
              | ? [Xa3: Node,Y5: Node,Xs7: coinductive_llist @ Node] :
                  ( ( X2
                    = ( coinductive_LCons @ Node @ Xa3 @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) ) )
                  & ( Graph @ Xa3 @ Y5 )
                  & ( ( X7 @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) )
                    | ( member @ ( coinductive_llist @ Node ) @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) @ ( koenig916195507_paths @ Node @ Graph ) ) ) ) ) )
       => ( member @ ( coinductive_llist @ Node ) @ X @ ( koenig916195507_paths @ Node @ Graph ) ) ) ) ).

% paths.coinduct
thf(fact_236_pathsp_Ocoinduct,axiom,
    ! [Node: $tType,X7: ( coinductive_llist @ Node ) > $o,X: coinductive_llist @ Node,Graph: Node > Node > $o] :
      ( ( X7 @ X )
     => ( ! [X2: coinductive_llist @ Node] :
            ( ( X7 @ X2 )
           => ( ( X2
                = ( coinductive_LNil @ Node ) )
              | ? [Xa3: Node] :
                  ( X2
                  = ( coinductive_LCons @ Node @ Xa3 @ ( coinductive_LNil @ Node ) ) )
              | ? [Xa3: Node,Y5: Node,Xs7: coinductive_llist @ Node] :
                  ( ( X2
                    = ( coinductive_LCons @ Node @ Xa3 @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) ) )
                  & ( Graph @ Xa3 @ Y5 )
                  & ( ( X7 @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) )
                    | ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ Y5 @ Xs7 ) ) ) ) ) )
       => ( koenig2031690877pathsp @ Node @ Graph @ X ) ) ) ).

% pathsp.coinduct
thf(fact_237_pathsp_OSingle,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,X: Node] : ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ X @ ( coinductive_LNil @ Node ) ) ) ).

% pathsp.Single
thf(fact_238_pathsp_Osimps,axiom,
    ! [Node: $tType] :
      ( ( koenig2031690877pathsp @ Node )
      = ( ^ [Graph2: Node > Node > $o,A6: coinductive_llist @ Node] :
            ( ( A6
              = ( coinductive_LNil @ Node ) )
            | ? [X4: Node] :
                ( A6
                = ( coinductive_LCons @ Node @ X4 @ ( coinductive_LNil @ Node ) ) )
            | ? [X4: Node,Y3: Node,Xs3: coinductive_llist @ Node] :
                ( ( A6
                  = ( coinductive_LCons @ Node @ X4 @ ( coinductive_LCons @ Node @ Y3 @ Xs3 ) ) )
                & ( Graph2 @ X4 @ Y3 )
                & ( koenig2031690877pathsp @ Node @ Graph2 @ ( coinductive_LCons @ Node @ Y3 @ Xs3 ) ) ) ) ) ) ).

% pathsp.simps
thf(fact_239_pathsp_Ocases,axiom,
    ! [Node: $tType,Graph: Node > Node > $o,A2: coinductive_llist @ Node] :
      ( ( koenig2031690877pathsp @ Node @ Graph @ A2 )
     => ( ( A2
         != ( coinductive_LNil @ Node ) )
       => ( ! [X2: Node] :
              ( A2
             != ( coinductive_LCons @ Node @ X2 @ ( coinductive_LNil @ Node ) ) )
         => ~ ! [X2: Node,Y4: Node,Xs2: coinductive_llist @ Node] :
                ( ( A2
                  = ( coinductive_LCons @ Node @ X2 @ ( coinductive_LCons @ Node @ Y4 @ Xs2 ) ) )
               => ( ( Graph @ X2 @ Y4 )
                 => ~ ( koenig2031690877pathsp @ Node @ Graph @ ( coinductive_LCons @ Node @ Y4 @ Xs2 ) ) ) ) ) ) ) ).

% pathsp.cases
thf(fact_240_lsorted_Ocases,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [A2: coinductive_llist @ A] :
          ( ( coindu63249387sorted @ A @ A2 )
         => ( ( A2
             != ( coinductive_LNil @ A ) )
           => ( ! [X2: A] :
                  ( A2
                 != ( coinductive_LCons @ A @ X2 @ ( coinductive_LNil @ A ) ) )
             => ~ ! [X2: A,Y4: A,Xs2: coinductive_llist @ A] :
                    ( ( A2
                      = ( coinductive_LCons @ A @ X2 @ ( coinductive_LCons @ A @ Y4 @ Xs2 ) ) )
                   => ( ( ord_less_eq @ A @ X2 @ Y4 )
                     => ~ ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ Y4 @ Xs2 ) ) ) ) ) ) ) ) ).

% lsorted.cases
thf(fact_241_lsorted_Osimps,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ( ( coindu63249387sorted @ A )
        = ( ^ [A6: coinductive_llist @ A] :
              ( ( A6
                = ( coinductive_LNil @ A ) )
              | ? [X4: A] :
                  ( A6
                  = ( coinductive_LCons @ A @ X4 @ ( coinductive_LNil @ A ) ) )
              | ? [X4: A,Y3: A,Xs3: coinductive_llist @ A] :
                  ( ( A6
                    = ( coinductive_LCons @ A @ X4 @ ( coinductive_LCons @ A @ Y3 @ Xs3 ) ) )
                  & ( ord_less_eq @ A @ X4 @ Y3 )
                  & ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ Y3 @ Xs3 ) ) ) ) ) ) ) ).

% lsorted.simps
thf(fact_242_lsorted_Ocoinduct,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X7: ( coinductive_llist @ A ) > $o,X: coinductive_llist @ A] :
          ( ( X7 @ X )
         => ( ! [X2: coinductive_llist @ A] :
                ( ( X7 @ X2 )
               => ( ( X2
                    = ( coinductive_LNil @ A ) )
                  | ? [Xa3: A] :
                      ( X2
                      = ( coinductive_LCons @ A @ Xa3 @ ( coinductive_LNil @ A ) ) )
                  | ? [Xa3: A,Y5: A,Xs7: coinductive_llist @ A] :
                      ( ( X2
                        = ( coinductive_LCons @ A @ Xa3 @ ( coinductive_LCons @ A @ Y5 @ Xs7 ) ) )
                      & ( ord_less_eq @ A @ Xa3 @ Y5 )
                      & ( ( X7 @ ( coinductive_LCons @ A @ Y5 @ Xs7 ) )
                        | ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ Y5 @ Xs7 ) ) ) ) ) )
           => ( coindu63249387sorted @ A @ X ) ) ) ) ).

% lsorted.coinduct
thf(fact_243_llimit__induct,axiom,
    ! [A: $tType,P: ( coinductive_llist @ A ) > $o,Xs: coinductive_llist @ A] :
      ( ( P @ ( coinductive_LNil @ A ) )
     => ( ! [X2: A,Xs2: coinductive_llist @ A] :
            ( ( coinductive_lfinite @ A @ Xs2 )
           => ( ( P @ Xs2 )
             => ( P @ ( coinductive_LCons @ A @ X2 @ Xs2 ) ) ) )
       => ( ( ! [Ys5: coinductive_llist @ A] :
                ( ( coindu1478340336prefix @ A @ Ys5 @ Xs )
               => ( P @ Ys5 ) )
           => ( P @ Xs ) )
         => ( P @ Xs ) ) ) ) ).

% llimit_induct
thf(fact_244_llexord__conv,axiom,
    ! [A: $tType] :
      ( ( coinductive_llexord @ A )
      = ( ^ [R2: A > A > $o,Xs3: coinductive_llist @ A,Ys4: coinductive_llist @ A] :
            ( ( Xs3 = Ys4 )
            | ? [Zs3: coinductive_llist @ A,Xs6: coinductive_llist @ A,Y3: A,Ys3: coinductive_llist @ A] :
                ( ( coinductive_lfinite @ A @ Zs3 )
                & ( Xs3
                  = ( coinductive_lappend @ A @ Zs3 @ Xs6 ) )
                & ( Ys4
                  = ( coinductive_lappend @ A @ Zs3 @ ( coinductive_LCons @ A @ Y3 @ Ys3 ) ) )
                & ( ( Xs6
                    = ( coinductive_LNil @ A ) )
                  | ( R2 @ ( coinductive_lhd @ A @ Xs6 ) @ Y3 ) ) ) ) ) ) ).

% llexord_conv
thf(fact_245_lstrict__prefix__code_I4_J,axiom,
    ! [B4: $tType,X: B4,Xs: coinductive_llist @ B4,Y: B4,Ys: coinductive_llist @ B4] :
      ( ( coindu1478340336prefix @ B4 @ ( coinductive_LCons @ B4 @ X @ Xs ) @ ( coinductive_LCons @ B4 @ Y @ Ys ) )
      = ( ( X = Y )
        & ( coindu1478340336prefix @ B4 @ Xs @ Ys ) ) ) ).

% lstrict_prefix_code(4)
thf(fact_246_lstrict__prefix__code_I1_J,axiom,
    ! [A: $tType] :
      ~ ( coindu1478340336prefix @ A @ ( coinductive_LNil @ A ) @ ( coinductive_LNil @ A ) ) ).

% lstrict_prefix_code(1)
thf(fact_247_lstrict__prefix__code_I3_J,axiom,
    ! [B4: $tType,X: B4,Xs: coinductive_llist @ B4] :
      ~ ( coindu1478340336prefix @ B4 @ ( coinductive_LCons @ B4 @ X @ Xs ) @ ( coinductive_LNil @ B4 ) ) ).

% lstrict_prefix_code(3)
thf(fact_248_lstrict__prefix__code_I2_J,axiom,
    ! [B4: $tType,Y: B4,Ys: coinductive_llist @ B4] : ( coindu1478340336prefix @ B4 @ ( coinductive_LNil @ B4 ) @ ( coinductive_LCons @ B4 @ Y @ Ys ) ) ).

% lstrict_prefix_code(2)
thf(fact_249_llist__less__induct,axiom,
    ! [A: $tType,P: ( coinductive_llist @ A ) > $o,Xs: coinductive_llist @ A] :
      ( ! [Xs2: coinductive_llist @ A] :
          ( ! [Ys5: coinductive_llist @ A] :
              ( ( coindu1478340336prefix @ A @ Ys5 @ Xs2 )
             => ( P @ Ys5 ) )
         => ( P @ Xs2 ) )
     => ( P @ Xs ) ) ).

% llist_less_induct
thf(fact_250_lhd__LCons,axiom,
    ! [A: $tType,X21: A,X22: coinductive_llist @ A] :
      ( ( coinductive_lhd @ A @ ( coinductive_LCons @ A @ X21 @ X22 ) )
      = X21 ) ).

% lhd_LCons
thf(fact_251_lstrict__prefix__lfinite1,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coindu1478340336prefix @ A @ Xs @ Ys )
     => ( coinductive_lfinite @ A @ Xs ) ) ).

% lstrict_prefix_lfinite1
thf(fact_252_Coinductive__List_Ofinite__lprefix__nitpick__simps_I3_J,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Y: A,Ys: coinductive_llist @ A] :
      ( ( coindu328551480prefix @ A @ Xs @ ( coinductive_LCons @ A @ Y @ Ys ) )
      = ( ( Xs
          = ( coinductive_LNil @ A ) )
        | ? [Xs6: coinductive_llist @ A] :
            ( ( Xs
              = ( coinductive_LCons @ A @ Y @ Xs6 ) )
            & ( coindu328551480prefix @ A @ Xs6 @ Ys ) ) ) ) ).

% Coinductive_List.finite_lprefix_nitpick_simps(3)
thf(fact_253_lsorted__LCons_H,axiom,
    ! [A: $tType] :
      ( ( ord @ A @ ( type2 @ A ) )
     => ! [X: A,Xs: coinductive_llist @ A] :
          ( ( coindu63249387sorted @ A @ ( coinductive_LCons @ A @ X @ Xs ) )
          = ( ~ ( coinductive_lnull @ A @ Xs )
           => ( ( ord_less_eq @ A @ X @ ( coinductive_lhd @ A @ Xs ) )
              & ( coindu63249387sorted @ A @ Xs ) ) ) ) ) ).

% lsorted_LCons'
thf(fact_254_lappend_Odisc__iff_I2_J,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( ~ ( coinductive_lnull @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) ) )
      = ( ~ ( coinductive_lnull @ A @ Xs )
        | ~ ( coinductive_lnull @ A @ Ys ) ) ) ).

% lappend.disc_iff(2)
thf(fact_255_lnull__lappend,axiom,
    ! [A: $tType,Xs: coinductive_llist @ A,Ys: coinductive_llist @ A] :
      ( ( coinductive_lnull @ A @ ( coinductive_lappend @ A @ Xs @ Ys ) )
      = ( ( coinductive_lnull @ A @ Xs )
        & ( coinductive_lnull @ A @ Ys ) ) ) ).

% lnull_lappend

%----Type constructors (19)
thf(tcon_fun___Complete__Lattices_Ocomplete__lattice,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( comple187826305attice @ A8 @ ( type2 @ A8 ) )
     => ( comple187826305attice @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_fun___Lattices_Osemilattice__sup,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( semilattice_sup @ A8 @ ( type2 @ A8 ) )
     => ( semilattice_sup @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_fun___Orderings_Opreorder,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( preorder @ A8 @ ( type2 @ A8 ) )
     => ( preorder @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_fun___Lattices_Olattice,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( lattice @ A8 @ ( type2 @ A8 ) )
     => ( lattice @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_fun___Orderings_Oorder,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( order @ A8 @ ( type2 @ A8 ) )
     => ( order @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_fun___Orderings_Oord,axiom,
    ! [A7: $tType,A8: $tType] :
      ( ( ord @ A8 @ ( type2 @ A8 ) )
     => ( ord @ ( A7 > A8 ) @ ( type2 @ ( A7 > A8 ) ) ) ) ).

thf(tcon_Set_Oset___Complete__Lattices_Ocomplete__lattice_1,axiom,
    ! [A7: $tType] : ( comple187826305attice @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_Set_Oset___Lattices_Osemilattice__sup_2,axiom,
    ! [A7: $tType] : ( semilattice_sup @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_Set_Oset___Orderings_Opreorder_3,axiom,
    ! [A7: $tType] : ( preorder @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_Set_Oset___Lattices_Olattice_4,axiom,
    ! [A7: $tType] : ( lattice @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_Set_Oset___Orderings_Oorder_5,axiom,
    ! [A7: $tType] : ( order @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_Set_Oset___Orderings_Oord_6,axiom,
    ! [A7: $tType] : ( ord @ ( set @ A7 ) @ ( type2 @ ( set @ A7 ) ) ) ).

thf(tcon_HOL_Obool___Complete__Lattices_Ocomplete__lattice_7,axiom,
    comple187826305attice @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Lattices_Osemilattice__sup_8,axiom,
    semilattice_sup @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Orderings_Opreorder_9,axiom,
    preorder @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Orderings_Olinorder,axiom,
    linorder @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Lattices_Olattice_10,axiom,
    lattice @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Orderings_Oorder_11,axiom,
    order @ $o @ ( type2 @ $o ) ).

thf(tcon_HOL_Obool___Orderings_Oord_12,axiom,
    ord @ $o @ ( type2 @ $o ) ).

%----Conjectures (1)
thf(conj_0,conjecture,
    ? [Xs8: coinductive_llist @ a] :
      ( ( member @ ( coinductive_llist @ a ) @ ( coinductive_LCons @ a @ n @ Xs8 ) @ ( koenig916195507_paths @ a @ graph ) )
      & ( ord_less_eq @ ( set @ a ) @ ( coinductive_lset @ a @ Xs8 ) @ ( coinductive_lset @ a @ xs ) )
      & ( member @ a @ x @ ( coinductive_lset @ a @ Xs8 ) )
      & ~ ( member @ a @ n @ ( coinductive_lset @ a @ Xs8 ) ) ) ).

%------------------------------------------------------------------------------