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Leo-III---1.8.0.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : LCL024-10 : TPTP v9.3.1. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 27 07:50:36 AM UTC 2026

% Result   : Unsatisfiable 49.48s 22.63s
% Output   : Refutation 40.80s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   29
%            Number of leaves      :    4
% Syntax   : Number of formulae    :  101 (  54 unt;   0 typ;   0 def)
%            Number of atoms       :  185 ( 184 equ;   0 cnn)
%            Maximal formula atoms :    8 (   1 avg)
%            Number of connectives : 1956 ( 115   ~;  84   |;   0   &;1757   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    9 (   7 usr;   5 con; 0-4 aty)
%            Number of variables   :  361 (   0   ^; 361   !;   0   ?; 361   :)

% Comments : 
%------------------------------------------------------------------------------
thf(is_a_theorem_decl,type,
    is_a_theorem: $i > $i ).

thf(equivalent_decl,type,
    equivalent: $i > $i > $i ).

thf(a_decl,type,
    a: $i ).

thf(b_decl,type,
    b: $i ).

thf(c_decl,type,
    c: $i ).

thf(true_decl,type,
    true: $i ).

thf(ifeq_decl,type,
    ifeq: $i > $i > $i > $i > $i ).

thf(4,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
      = true ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',xgk) ).

thf(12,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
      = true ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(13,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
      = true ),
    inference(lifteq,[status(thm)],[12]) ).

thf(3,axiom,
    ! [B: $i,A: $i] :
      ( ( true @ ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

thf(10,plain,
    ! [B: $i,A: $i] :
      ( ( true @ ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(11,plain,
    ! [B: $i,A: $i] :
      ( ( true @ ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(lifteq,[status(thm)],[10]) ).

thf(32,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( E @ ( D @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( true @ ( E @ is_a_theorem @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( true @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[13,11]) ).

thf(33,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[32:[bind(A,$thf( K )),bind(B,$thf( M )),bind(C,$thf( L )),bind(D,$thf( K )),bind(E,$thf( M @ ( L @ equivalent ) @ ( K @ ( L @ equivalent ) @ ( M @ equivalent ) @ equivalent ) ))]]) ).

thf(35,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[33]) ).

thf(2,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ ( A @ ( A @ ifeq ) ) ) )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ifeq_axiom) ).

thf(8,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ ( A @ ( A @ ifeq ) ) ) )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(9,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ ( A @ ( A @ ifeq ) ) ) )
      = B ),
    inference(lifteq,[status(thm)],[8]) ).

thf(41,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(rewrite,[status(thm)],[35,9]) ).

thf(46,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( E @ is_a_theorem @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( E @ ( D @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[41,11]) ).

thf(47,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[46:[bind(A,$thf( K )),bind(B,$thf( L )),bind(C,$thf( M )),bind(D,$thf( K )),bind(E,$thf( M @ ( L @ equivalent ) @ ( K @ ( L @ equivalent ) @ ( M @ equivalent ) @ equivalent ) ))]]) ).

thf(59,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[47]) ).

thf(88,plain,
    ( ( true @ ( true @ ( true @ ( true @ ifeq ) ) ) )
    = true ),
    inference(rewrite,[status(thm)],[59,13]) ).

thf(14,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
       != ( E @ ( D @ ( C @ ( C @ ifeq ) ) ) ) )
      | ( true = D ) ),
    inference(paramod_ordered,[status(thm)],[11,9]) ).

thf(18,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( true != E )
      | ( ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != D )
      | ( true != C )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != C )
      | ( true = D ) ),
    inference(simp,[status(thm)],[14]) ).

thf(22,plain,
    ! [B: $i,A: $i] :
      ( ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true )
      | ( ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[18]) ).

thf(30,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( E @ is_a_theorem ) )
      | ( ( true @ ( true @ ( true @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( E @ ( D @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[13,11]) ).

thf(31,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[30:[bind(A,$thf( M )),bind(B,$thf( O )),bind(C,$thf( N )),bind(D,$thf( D )),bind(E,$thf( O @ ( N @ equivalent ) @ ( M @ ( N @ equivalent ) @ ( O @ equivalent ) @ equivalent ) @ ( M @ equivalent ) ))]]) ).

thf(37,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[31]) ).

thf(181,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( true @ ( true @ ( C @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true ) ),
    inference(paramod_ordered,[status(thm)],[22,37]) ).

thf(215,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( true != true )
      | ( ( B @ is_a_theorem )
       != true )
      | ( true != true )
      | ( ( A @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true )
      | ( ( true @ ( true @ ( true @ ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[181]) ).

thf(228,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ is_a_theorem )
       != true )
      | ( ( A @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true )
      | ( ( true @ ( true @ ( true @ ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[215]) ).

thf(51,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( D @ is_a_theorem ) )
      | ( ( true @ ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[13,41]) ).

thf(52,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[51:[bind(A,$thf( N )),bind(B,$thf( P )),bind(C,$thf( O )),bind(D,$thf( P @ ( O @ equivalent ) @ ( N @ ( O @ equivalent ) @ ( P @ equivalent ) @ equivalent ) @ ( N @ equivalent ) )),bind(E,$thf( E )),bind(F,$thf( F ))]]) ).

thf(56,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[52]) ).

thf(473,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem )
      = true ),
    inference(rewrite,[status(thm)],[56,9]) ).

thf(1,negated_conjecture,
    ( ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
   != true ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_pyo) ).

thf(5,plain,
    ( ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
   != true ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(6,plain,
    ( ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
   != true ),
    inference(polarity_switch,[status(thm)],[5]) ).

thf(7,plain,
    ( ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
   != true ),
    inference(lifteq,[status(thm)],[6]) ).

thf(536,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( true != true ) ),
    inference(paramod_ordered,[status(thm)],[473,7]) ).

thf(537,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) ),
    inference(simp,[status(thm)],[536]) ).

thf(538,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[537]) ).

thf(564,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ equivalent ) )
       != ( a @ ( b @ equivalent ) ) )
      | ( ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) )
       != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[538]) ).

thf(565,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ equivalent ) )
       != ( a @ ( b @ equivalent ) ) )
      | ( ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) )
       != c )
      | ( B
       != ( c @ ( b @ equivalent ) @ ( a @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[564]) ).

thf(591,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ ( A @ equivalent ) )
       != ( a @ ( b @ equivalent ) ) )
      | ( ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ ( A @ equivalent ) )
       != c ) ),
    inference(simp,[status(thm)],[565]) ).

thf(28,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( D @ is_a_theorem ) )
      | ( ( true @ ( true @ ( E @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) @ ( true @ ( E @ ( D @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[13,11]) ).

thf(29,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( A @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) @ ( true @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[28:[bind(A,$thf( M )),bind(B,$thf( O )),bind(C,$thf( N )),bind(D,$thf( O @ ( N @ equivalent ) @ ( M @ ( N @ equivalent ) @ ( O @ equivalent ) @ equivalent ) @ ( M @ equivalent ) )),bind(E,$thf( E ))]]) ).

thf(36,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( A @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) @ ( true @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[29]) ).

thf(108,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(rewrite,[status(thm)],[36,9]) ).

thf(499,plain,
    ! [I: $i,H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( A @ equivalent ) @ ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( F @ ( I @ ( H @ equivalent ) @ ( G @ ( H @ equivalent ) @ ( I @ equivalent ) @ equivalent ) @ ( G @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( F @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[473,108]) ).

thf(500,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[499:[bind(A,$thf( W @ ( ZH @ equivalent ) @ ( ZG @ ( ZF @ equivalent ) @ ( ZH @ ( ZF @ equivalent ) @ ( ZG @ equivalent ) @ equivalent ) @ equivalent ) )),bind(B,$thf( W )),bind(C,$thf( ZH )),bind(D,$thf( ZF )),bind(E,$thf( ZG )),bind(F,$thf( W @ ( W @ ( ZH @ equivalent ) @ ( ZG @ ( ZF @ equivalent ) @ ( ZH @ ( ZF @ equivalent ) @ ( ZG @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) )),bind(G,$thf( W )),bind(H,$thf( ZH )),bind(I,$thf( ZG @ ( ZF @ equivalent ) @ ( ZH @ ( ZF @ equivalent ) @ ( ZG @ equivalent ) @ equivalent ) ))]]) ).

thf(558,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[500]) ).

thf(674,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
      = true ),
    inference(rewrite,[status(thm)],[558,9]) ).

thf(691,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( F @ ( E @ equivalent ) @ is_a_theorem ) )
      | ( true != true )
      | ( ( true @ ( F @ is_a_theorem @ ( true @ ( E @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[674,22]) ).

thf(692,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( F @ ( E @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( F @ is_a_theorem @ ( true @ ( E @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[691]) ).

thf(693,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( D @ is_a_theorem @ ( true @ ( D @ ( C @ equivalent ) @ ( B @ ( A @ equivalent ) @ ( C @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[692:[bind(A,$thf( R )),bind(B,$thf( O )),bind(C,$thf( P )),bind(D,$thf( Q )),bind(E,$thf( R @ ( Q @ equivalent ) @ ( P @ ( O @ equivalent ) @ ( Q @ ( O @ equivalent ) @ ( P @ equivalent ) @ equivalent ) @ equivalent ) )),bind(F,$thf( R ))]]) ).

thf(778,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( D @ is_a_theorem @ ( true @ ( D @ ( C @ equivalent ) @ ( B @ ( A @ equivalent ) @ ( C @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[693]) ).

thf(26,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( true != true ) ),
    inference(paramod_ordered,[status(thm)],[13,7]) ).

thf(27,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) ),
    inference(simp,[status(thm)],[26]) ).

thf(34,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[27]) ).

thf(38,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) )
       != ( a @ ( b @ equivalent ) ) )
      | ( A
       != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[34]) ).

thf(39,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ( B @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ ( A @ equivalent ) @ equivalent ) )
     != ( a @ ( b @ equivalent ) ) ),
    inference(simp,[status(thm)],[38]) ).

thf(40,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( B @ equivalent ) )
       != a )
      | ( ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ ( A @ equivalent ) )
       != b ) ),
    inference(simp,[status(thm)],[39]) ).

thf(566,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B != a )
      | ( A != b )
      | ( ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) @ ( B @ equivalent ) )
       != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[564]) ).

thf(592,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ ( b @ equivalent ) @ ( a @ equivalent ) )
     != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[566]) ).

thf(791,plain,
    ! [H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( H @ ( G @ equivalent ) @ ( F @ ( E @ equivalent ) @ ( G @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( H @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[674,778]) ).

thf(792,plain,
    ! [A: $i] :
      ( ( true @ ( A @ ( A @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[791:[bind(A,$thf( R @ ( R @ equivalent ) @ ( M @ equivalent ) )),bind(B,$thf( R )),bind(C,$thf( M )),bind(D,$thf( R )),bind(E,$thf( R )),bind(F,$thf( R @ ( R @ equivalent ) @ ( M @ equivalent ) )),bind(G,$thf( M )),bind(H,$thf( R @ ( R @ equivalent ) ))]]) ).

thf(848,plain,
    ! [A: $i] :
      ( ( true @ ( A @ ( A @ equivalent ) @ is_a_theorem @ ( true @ ( true @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[792]) ).

thf(1099,plain,
    ! [A: $i] :
      ( ( A @ ( A @ equivalent ) @ is_a_theorem )
      = true ),
    inference(rewrite,[status(thm)],[848,9]) ).

thf(1190,plain,
    ! [A: $i] :
      ( ( ( A @ ( A @ equivalent ) @ is_a_theorem )
       != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( true != true ) ),
    inference(paramod_ordered,[status(thm)],[1099,7]) ).

thf(1191,plain,
    ! [A: $i] :
      ( ( A @ ( A @ equivalent ) @ is_a_theorem )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) ),
    inference(simp,[status(thm)],[1190]) ).

thf(1192,plain,
    ! [A: $i] :
      ( ( A @ ( A @ equivalent ) )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[1191]) ).

thf(1399,plain,
    ! [A: $i] :
      ( ( A
       != ( a @ ( b @ equivalent ) ) )
      | ( A
       != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[1192]) ).

thf(1400,plain,
    ( ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) )
   != ( a @ ( b @ equivalent ) ) ),
    inference(simp,[status(thm)],[1399]) ).

thf(1401,plain,
    ( ( c != a )
    | ( ( c @ ( b @ equivalent ) @ ( a @ equivalent ) )
     != b ) ),
    inference(simp,[status(thm)],[1400]) ).

thf(16,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( C @ ( B @ ( A @ ( A @ ifeq ) ) ) )
       != ( true @ ( E @ is_a_theorem @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( B @ ( true @ ( E @ ( D @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[9,11]) ).

thf(20,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( C != true )
      | ( B
       != ( E @ is_a_theorem ) )
      | ( A != true )
      | ( A
       != ( D @ is_a_theorem ) )
      | ( ( true @ ( B @ ( true @ ( E @ ( D @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[16]) ).

thf(24,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ is_a_theorem )
       != true )
      | ( ( true @ ( B @ is_a_theorem @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[20]) ).

thf(1144,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ equivalent ) @ is_a_theorem )
       != ( B @ is_a_theorem ) )
      | ( true != true )
      | ( ( true @ ( C @ is_a_theorem @ ( true @ ( C @ ( B @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[1099,24]) ).

thf(1145,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ equivalent ) @ is_a_theorem )
       != ( B @ is_a_theorem ) )
      | ( ( true @ ( C @ is_a_theorem @ ( true @ ( C @ ( B @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[1144]) ).

thf(1146,plain,
    ! [B: $i,A: $i] :
      ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ ( B @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[1145:[bind(A,$thf( E )),bind(B,$thf( E @ ( E @ equivalent ) )),bind(C,$thf( C ))]]) ).

thf(1222,plain,
    ! [B: $i,A: $i] :
      ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ ( B @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[1146]) ).

thf(17,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) @ ( true @ ( B @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( D @ is_a_theorem @ ( true @ ( C @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( D @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[11,11]) ).

thf(21,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true != true )
      | ( ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != ( D @ is_a_theorem ) )
      | ( true != true )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( true @ ( true @ ( true @ ( D @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[17]) ).

thf(25,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( B @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != ( D @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( true @ ( true @ ( true @ ( D @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[21]) ).

thf(256,plain,
    ! [H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( true @ ( true @ ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( H @ is_a_theorem @ ( true @ ( G @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( H @ ( G @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true )
      | ( ( B @ is_a_theorem )
       != true )
      | ( ( A @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true ) ),
    inference(paramod_ordered,[status(thm)],[228,11]) ).

thf(287,plain,
    ! [H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( true != true )
      | ( ( H @ is_a_theorem )
       != true )
      | ( true != true )
      | ( ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem )
       != ( G @ is_a_theorem ) )
      | ( ( B @ is_a_theorem )
       != true )
      | ( ( A @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true )
      | ( ( true @ ( true @ ( true @ ( H @ ( G @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[256]) ).

thf(317,plain,
    ! [H: $i,G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( H @ is_a_theorem )
       != true )
      | ( ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ ( D @ equivalent ) @ ( C @ equivalent ) @ is_a_theorem )
       != ( G @ is_a_theorem ) )
      | ( ( B @ is_a_theorem )
       != true )
      | ( ( A @ is_a_theorem )
       != ( C @ is_a_theorem ) )
      | ( ( B @ ( A @ equivalent ) @ is_a_theorem )
       != true )
      | ( ( true @ ( true @ ( true @ ( H @ ( G @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[287]) ).

thf(567,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B != a )
      | ( A != b )
      | ( ( E @ ( D @ equivalent ) @ ( C @ ( D @ equivalent ) @ ( E @ equivalent ) @ equivalent ) @ ( C @ equivalent ) @ ( A @ equivalent ) )
       != c )
      | ( B
       != ( c @ ( b @ equivalent ) @ ( a @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[564]) ).

thf(593,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( c @ ( b @ equivalent ) @ ( a @ equivalent ) )
       != a )
      | ( ( C @ ( B @ equivalent ) @ ( A @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ ( b @ equivalent ) )
       != c ) ),
    inference(simp,[status(thm)],[567]) ).

thf(123,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( F @ is_a_theorem @ ( true @ ( E @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( F @ ( E @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[108,11]) ).

thf(124,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( A @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[123:[bind(A,$thf( H )),bind(B,$thf( P )),bind(C,$thf( Q )),bind(D,$thf( R )),bind(E,$thf( H @ ( R @ ( Q @ equivalent ) @ ( P @ ( Q @ equivalent ) @ ( R @ equivalent ) @ equivalent ) @ ( P @ equivalent ) @ equivalent ) )),bind(F,$thf( H ))]]) ).

thf(141,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( true @ ( true @ ( true @ ( A @ ( A @ ( D @ ( C @ equivalent ) @ ( B @ ( C @ equivalent ) @ ( D @ equivalent ) @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(simp,[status(thm)],[124]) ).

thf(748,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
       != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( true != true ) ),
    inference(paramod_ordered,[status(thm)],[674,7]) ).

thf(749,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) @ is_a_theorem ) ),
    inference(simp,[status(thm)],[748]) ).

thf(750,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) @ equivalent ) )
     != ( a @ ( b @ equivalent ) @ ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[749]) ).

thf(1123,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ equivalent ) @ is_a_theorem )
       != ( C @ ( B @ equivalent ) @ is_a_theorem ) )
      | ( true != true )
      | ( ( true @ ( C @ is_a_theorem @ ( true @ ( B @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[1099,22]) ).

thf(1124,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ equivalent ) @ is_a_theorem )
       != ( C @ ( B @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( C @ is_a_theorem @ ( true @ ( B @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[1123]) ).

thf(1125,plain,
    ! [A: $i] :
      ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[1124:[bind(A,$thf( A )),bind(B,$thf( A )),bind(C,$thf( A ))]]) ).

thf(50,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) @ is_a_theorem )
       != ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) @ is_a_theorem ) )
      | ( ( true @ ( true @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[13,41]) ).

thf(54,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( C @ equivalent ) @ ( A @ ( C @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ ( A @ equivalent ) )
       != ( F @ ( E @ equivalent ) @ ( D @ ( E @ equivalent ) @ ( F @ equivalent ) @ equivalent ) ) )
      | ( ( true @ ( true @ ( true @ ( D @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(simp,[status(thm)],[50]) ).

thf(854,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A
       != ( a @ ( b @ equivalent ) ) )
      | ( ( A @ ( D @ equivalent ) @ ( C @ ( B @ equivalent ) @ ( D @ ( B @ equivalent ) @ ( C @ equivalent ) @ equivalent ) @ equivalent ) )
       != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ) ),
    inference(simp,[status(thm)],[750]) ).

thf(855,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( a @ ( b @ equivalent ) @ ( C @ equivalent ) @ ( B @ ( A @ equivalent ) @ ( C @ ( A @ equivalent ) @ ( B @ equivalent ) @ equivalent ) @ equivalent ) )
     != ( c @ ( c @ ( b @ equivalent ) @ ( a @ equivalent ) @ equivalent ) ) ),
    inference(simp,[status(thm)],[854]) ).

thf(1251,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( true @ ( A @ is_a_theorem @ ( true @ ( A @ is_a_theorem @ ifeq ) ) ) )
       != ( true @ ( C @ is_a_theorem @ ( true @ ( B @ is_a_theorem @ ifeq ) ) ) ) )
      | ( ( true @ ( true @ ( true @ ( C @ ( B @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
        = true ) ),
    inference(paramod_ordered,[status(thm)],[1125,11]) ).

thf(1252,plain,
    ! [A: $i] :
      ( ( true @ ( true @ ( true @ ( A @ ( A @ equivalent ) @ is_a_theorem @ ifeq ) ) ) )
      = true ),
    inference(pattern_uni,[status(thm)],[1251:[bind(A,$thf( A )),bind(B,$thf( A )),bind(C,$thf( A ))]]) ).

thf(3848,plain,
    $false,
    inference(e,[status(thm)],[88,228,591,778,674,108,473,11,40,8,564,592,1401,5,10,538,1222,24,37,25,317,9,593,141,1099,1192,13,41,750,34,22,1125,12,54,7,39,855,1400,1252]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL024-10 : TPTP v9.3.1. Released v7.5.0.
% 0.00/0.08  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.20/10.68  % Computer : n008.cluster.edu
% 0.20/10.68  % Model    : x86_64 x86_64
% 0.20/10.68  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.20/10.68  % Memory   : 8046.5625MB
% 0.20/10.68  % OS       : Linux 6.8.0-71-generic
% 0.20/10.68  % CPULimit : 300
% 0.20/10.68  % WCLimit  : 300
% 0.20/10.68  % DateTime : Fri Sep 25 21:45:08 UTC 2026
% 0.20/10.69  % CPUTime  : 
% 0.20/10.69  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 1.39/11.52  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.75/11.78  % [INFO] 	 Parsing done (251ms). 
% 1.93/11.80  % [INFO] 	 Running in sequential loop mode. 
% 2.80/12.41  % [INFO] 	 eprover registered as external prover. 
% 2.80/12.42  % [INFO] 	 Scanning for conjecture ... 
% 3.00/12.54  % [INFO] 	 Found a conjecture (or negated_conjecture) and 3 axioms. Running axiom selection ... 
% 3.00/12.59  % [INFO] 	 Axiom selection finished. Selected 3 axioms (removed 0 axioms). 
% 3.15/12.60  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 3.15/12.61  % [INFO] 	 Type checking passed. 
% 3.15/12.62  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 49.48/22.63  % External prover 'e' found a proof!
% 49.48/22.63  % [INFO] 	 Killing All external provers ... 
% 49.48/22.63  % Time passed: 11737ms (effective reasoning time: 10821ms)
% 49.48/22.63  % Axioms used in derivation (3): xgk, condensed_detachment, ifeq_axiom
% 49.48/22.63  % No. of inferences in proof: 101
% 49.48/22.63  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : 11737 ms resp. 10821 ms w/o parsing
% 40.80/22.78  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 40.80/22.78  % [INFO] 	 Killing All external provers ... 
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