TSTP Solution File: SET852-2 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET852-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n018.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 20 05:08:22 EDT 2022

% Result   : Unsatisfiable 0.20s 0.46s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   39
% Syntax   : Number of formulae    :   76 (  16 unt;  10 typ;   0 def)
%            Number of atoms       :  328 (   0 equ)
%            Maximal formula atoms :   12 (   4 avg)
%            Number of connectives :  364 ( 110   ~; 225   |;   0   &)
%                                         (  29 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :    8 (   8 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (   6   >;  10   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-4 aty)
%            Number of variables   :  225 ( 199   !;   0   ?; 225   :)

% Comments : 
%------------------------------------------------------------------------------
tff(c_lessequals_type,type,
    c_lessequals: ( $i * $i * $i ) > $o ).

tff(tc_set_type,type,
    tc_set: $i > $i ).

tff(t_a_type,type,
    t_a: $i ).

tff(c_Zorn_OUnion__lemma0__1_type,type,
    c_Zorn_OUnion__lemma0__1: ( $i * $i * $i * $i ) > $i ).

tff(v_Y_type,type,
    v_Y: $i ).

tff(c_Zorn_Osucc_type,type,
    c_Zorn_Osucc: ( $i * $i * $i ) > $i ).

tff(v_m_type,type,
    v_m: $i ).

tff(v_S_type,type,
    v_S: $i ).

tff(c_Union_type,type,
    c_Union: ( $i * $i ) > $i ).

tff(c_in_type,type,
    c_in: ( $i * $i * $i ) > $o ).

tff(1,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      refl(
        ( ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      rewrite(
        ( ( ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,axiom,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Zorn_OUnion__lemma0_2) ).

tff(7,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[6,5]) ).

tff(8,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[7,3]) ).

tff(9,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[9,2]) ).

tff(11,plain,
    ( ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
  <=> ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,axiom,
    ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_3) ).

tff(13,plain,
    ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    ( ~ c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
  <=> ~ c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))) ),
    inference(rewrite,[status(thm)],]) ).

tff(15,axiom,
    ~ c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_2) ).

tff(16,plain,
    ~ c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))),
    inference(modus_ponens,[status(thm)],[15,14]) ).

tff(17,plain,
    ( ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) )
  <=> ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(19,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(V_B,c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ~ c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))),
    inference(unit_resolution,[status(thm)],[19,16,13,10]) ).

tff(21,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      refl(
        ( ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(22,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[21]) ).

tff(23,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(24,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      rewrite(
        ( ( c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(25,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[24]) ).

tff(26,axiom,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Zorn_OUnion__lemma0_0) ).

tff(27,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[26,25]) ).

tff(28,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[27,23]) ).

tff(29,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ),
    inference(skolemize,[status(sab)],[28]) ).

tff(30,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[29,22]) ).

tff(31,plain,
    ( ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) )
  <=> ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(32,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(33,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_in(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_C,tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[32,31]) ).

tff(34,plain,
    c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))),
    inference(unit_resolution,[status(thm)],[33,16,13,30]) ).

tff(35,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      refl(
        ( ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(36,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[35]) ).

tff(37,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(38,plain,
    ^ [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      rewrite(
        ( ( ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
      <=> ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ) )),
    inference(bind,[status(th)],]) ).

tff(39,plain,
    ( ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) )
  <=> ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
        ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
        | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
        | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ) ),
    inference(quant_intro,[status(thm)],[38]) ).

tff(40,axiom,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Zorn_OUnion__lemma0_1) ).

tff(41,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[41,37]) ).

tff(43,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ),
    inference(skolemize,[status(sab)],[42]) ).

tff(44,plain,
    ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
      ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
      | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) ),
    inference(modus_ponens,[status(thm)],[43,36]) ).

tff(45,plain,
    ( ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))) )
  <=> ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
            ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
            | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
            | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
      | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(46,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(47,plain,
    ( ~ ! [T_a: $i,V_B: $i,V_A: $i,V_C: $i] :
          ( c_lessequals(c_Union(V_C,T_a),V_A,tc_set(T_a))
          | c_lessequals(V_B,c_Union(V_C,T_a),tc_set(T_a))
          | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(V_A,V_B,V_C,T_a),V_A,tc_set(T_a)) )
    | c_lessequals(c_Union(v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | ~ c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    ~ c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a))),
    inference(unit_resolution,[status(thm)],[47,16,13,44]) ).

tff(49,plain,
    ^ [V_U: $i] :
      refl(
        ( ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      <=> ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ) )),
    inference(bind,[status(th)],]) ).

tff(50,plain,
    ( ! [V_U: $i] :
        ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
  <=> ! [V_U: $i] :
        ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ) ),
    inference(quant_intro,[status(thm)],[49]) ).

tff(51,plain,
    ( ! [V_U: $i] :
        ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
  <=> ! [V_U: $i] :
        ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(52,plain,
    ^ [V_U: $i] :
      rewrite(
        ( ( c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | ~ c_in(V_U,v_Y,tc_set(tc_set(t_a))) )
      <=> ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ) )),
    inference(bind,[status(th)],]) ).

tff(53,plain,
    ( ! [V_U: $i] :
        ( c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | ~ c_in(V_U,v_Y,tc_set(tc_set(t_a))) )
  <=> ! [V_U: $i] :
        ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
        | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
        | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ) ),
    inference(quant_intro,[status(thm)],[52]) ).

tff(54,axiom,
    ! [V_U: $i] :
      ( c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a)))
      | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
      | ~ c_in(V_U,v_Y,tc_set(tc_set(t_a))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_4) ).

tff(55,plain,
    ! [V_U: $i] :
      ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    ! [V_U: $i] :
      ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[55,51]) ).

tff(57,plain,
    ! [V_U: $i] :
      ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ),
    inference(skolemize,[status(sab)],[56]) ).

tff(58,plain,
    ! [V_U: $i] :
      ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[57,50]) ).

tff(59,plain,
    ( ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) )
  <=> ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(60,plain,
    ( ( ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) )
  <=> ( c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(61,plain,
    ( ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) )
  <=> ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ) ),
    inference(monotonicity,[status(thm)],[60]) ).

tff(62,plain,
    ( ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) )
  <=> ( ~ ! [V_U: $i] :
            ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
            | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
            | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
      | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
      | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
      | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ) ),
    inference(transitivity,[status(thm)],[61,59]) ).

tff(63,plain,
    ( ~ ! [V_U: $i] :
          ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
    | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(64,plain,
    ( ~ ! [V_U: $i] :
          ( ~ c_in(V_U,v_Y,tc_set(tc_set(t_a)))
          | c_lessequals(V_U,v_m,tc_set(tc_set(t_a)))
          | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),V_U,tc_set(tc_set(t_a))) )
    | c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | c_lessequals(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_m,tc_set(tc_set(t_a)))
    | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ),
    inference(modus_ponens,[status(thm)],[63,62]) ).

tff(65,plain,
    ( c_lessequals(c_Zorn_Osucc(v_S,v_m,t_a),c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))
    | ~ c_in(c_Zorn_OUnion__lemma0__1(v_m,c_Zorn_Osucc(v_S,v_m,t_a),v_Y,tc_set(t_a)),v_Y,tc_set(tc_set(t_a))) ),
    inference(unit_resolution,[status(thm)],[64,58,48]) ).

tff(66,plain,
    $false,
    inference(unit_resolution,[status(thm)],[65,34,20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET852-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n018.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Sep  3 08:22:44 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -o:<output-file> file to place output in.
% 0.20/0.46  % SZS status Unsatisfiable
% 0.20/0.46  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------