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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SYN212-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n007.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 09:17:00 AM UTC 2026

% Result   : Unsatisfiable 206.19s 119.01s
% Output   : Refutation 206.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   34
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   89 (  24 unt;   0 typ;   0 def)
%            Number of atoms       :  244 (  28 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  667 ( 102   ~;  99   |;   0   &; 466   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  15 usr;   5 con; 0-3 aty)
%            Number of variables   :  148 (   0   ^; 148   !;   0   ?; 148   :)

% Comments : 
%------------------------------------------------------------------------------
thf(s4_decl,type,
    s4: $i > $o ).

thf(e_decl,type,
    e: $i ).

thf(n0_decl,type,
    n0: $i > $i > $o ).

thf(p3_decl,type,
    p3: $i > $i > $i > $o ).

thf(m3_decl,type,
    m3: $i > $i > $i > $o ).

thf(m0_decl,type,
    m0: $i > $i > $i > $o ).

thf(d_decl,type,
    d: $i ).

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

thf(q1_decl,type,
    q1: $i > $i > $i > $o ).

thf(m1_decl,type,
    m1: $i > $i > $i > $o ).

thf(p2_decl,type,
    p2: $i > $i > $i > $o ).

thf(k1_decl,type,
    k1: $i > $o ).

thf(k0_decl,type,
    k0: $i > $o ).

thf(l0_decl,type,
    l0: $i > $o ).

thf(l1_decl,type,
    l1: $i > $i > $o ).

thf(299,axiom,
    e @ ( e @ n0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_30) ).

thf(939,plain,
    e @ ( e @ n0 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[299]) ).

thf(57,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ ( A @ l1 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_002) ).

thf(476,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ ( A @ l1 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(477,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ ( A @ l1 ) ) ),
    inference(cnf,[status(esa)],[476]) ).

thf(7411,plain,
    ! [B: $i,A: $i] :
      ( ( ( e @ ( e @ n0 ) )
       != ( A @ ( B @ n0 ) ) )
      | ~ $true
      | ( A @ ( A @ l1 ) ) ),
    inference(paramod_ordered,[status(thm)],[939,477]) ).

thf(7412,plain,
    ! [B: $i,A: $i] :
      ( ( ( e @ ( e @ n0 ) )
       != ( A @ ( B @ n0 ) ) )
      | ( A @ ( A @ l1 ) ) ),
    inference(simp,[status(thm)],[7411]) ).

thf(7413,plain,
    e @ ( e @ l1 ),
    inference(pattern_uni,[status(thm)],[7412:[bind(A,$thf( e )),bind(B,$thf( e ))]]) ).

thf(204,axiom,
    ! [B: $i,A: $i] : ( B @ ( d @ ( A @ m0 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_19) ).

thf(759,plain,
    ! [B: $i,A: $i] : ( B @ ( d @ ( A @ m0 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[204]) ).

thf(105,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ ( A @ m0 ) ) )
      | ( A @ ( A @ ( A @ q1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_122) ).

thf(566,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ ( A @ m0 ) ) )
      | ( A @ ( A @ ( A @ q1 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[105]) ).

thf(567,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ ( A @ m0 ) ) )
      | ( A @ ( A @ ( A @ q1 ) ) ) ),
    inference(cnf,[status(esa)],[566]) ).

thf(13963,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( d @ ( A @ m0 ) ) )
       != ( C @ ( D @ ( C @ m0 ) ) ) )
      | ~ $true
      | ( C @ ( C @ ( C @ q1 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[759,567]) ).

thf(13964,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( B @ ( d @ ( A @ m0 ) ) )
       != ( C @ ( D @ ( C @ m0 ) ) ) )
      | ( C @ ( C @ ( C @ q1 ) ) ) ),
    inference(simp,[status(thm)],[13963]) ).

thf(13965,plain,
    ! [A: $i] : ( A @ ( A @ ( A @ q1 ) ) ),
    inference(pattern_uni,[status(thm)],[13964:[bind(A,$thf( B )),bind(B,$thf( B )),bind(C,$thf( B )),bind(D,$thf( d ))]]) ).

thf(13985,plain,
    ! [A: $i] : ( A @ ( A @ ( A @ q1 ) ) ),
    inference(simp,[status(thm)],[13965]) ).

thf(147,axiom,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ q1 ) ) )
      | ( A @ ( A @ ( A @ p2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_154) ).

thf(649,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ q1 ) ) )
      | ( A @ ( A @ ( A @ p2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[147]) ).

thf(650,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ q1 ) ) )
      | ( A @ ( A @ ( A @ p2 ) ) ) ),
    inference(cnf,[status(esa)],[649]) ).

thf(19367,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ q1 ) ) )
       != ( B @ ( B @ ( B @ q1 ) ) ) )
      | ~ $true
      | ( B @ ( B @ ( B @ p2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[13985,650]) ).

thf(19368,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ q1 ) ) )
       != ( B @ ( B @ ( B @ q1 ) ) ) )
      | ( B @ ( B @ ( B @ p2 ) ) ) ),
    inference(simp,[status(thm)],[19367]) ).

thf(19369,plain,
    ! [A: $i] : ( A @ ( A @ ( A @ p2 ) ) ),
    inference(pattern_uni,[status(thm)],[19368:[bind(A,$thf( A )),bind(B,$thf( A ))]]) ).

thf(187,axiom,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ p2 ) ) )
      | ( A @ ( A @ ( A @ m3 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_238) ).

thf(726,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ p2 ) ) )
      | ( A @ ( A @ ( A @ m3 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[187]) ).

thf(727,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ ( A @ p2 ) ) )
      | ( A @ ( A @ ( A @ m3 ) ) ) ),
    inference(cnf,[status(esa)],[726]) ).

thf(26469,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ p2 ) ) )
       != ( B @ ( B @ ( B @ p2 ) ) ) )
      | ~ $true
      | ( B @ ( B @ ( B @ m3 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[19369,727]) ).

thf(26470,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ p2 ) ) )
       != ( B @ ( B @ ( B @ p2 ) ) ) )
      | ( B @ ( B @ ( B @ m3 ) ) ) ),
    inference(simp,[status(thm)],[26469]) ).

thf(26471,plain,
    ! [A: $i] : ( A @ ( A @ ( A @ m3 ) ) ),
    inference(pattern_uni,[status(thm)],[26470:[bind(A,$thf( A )),bind(B,$thf( A ))]]) ).

thf(149,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ k1 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_001) ).

thf(653,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ k1 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[149]) ).

thf(654,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ n0 ) )
      | ( A @ k1 ) ),
    inference(cnf,[status(esa)],[653]) ).

thf(2955,plain,
    ! [B: $i,A: $i] :
      ( ( ( e @ ( e @ n0 ) )
       != ( A @ ( B @ n0 ) ) )
      | ~ $true
      | ( A @ k1 ) ),
    inference(paramod_ordered,[status(thm)],[939,654]) ).

thf(2956,plain,
    ! [B: $i,A: $i] :
      ( ( ( e @ ( e @ n0 ) )
       != ( A @ ( B @ n0 ) ) )
      | ( A @ k1 ) ),
    inference(simp,[status(thm)],[2955]) ).

thf(2957,plain,
    e @ k1,
    inference(pattern_uni,[status(thm)],[2956:[bind(A,$thf( e )),bind(B,$thf( e ))]]) ).

thf(319,axiom,
    e @ k0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_28) ).

thf(976,plain,
    e @ k0,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[319]) ).

thf(175,axiom,
    a @ l0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_20) ).

thf(703,plain,
    a @ l0,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[175]) ).

thf(36,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( B @ k0 )
      | ~ ( A @ l0 )
      | ( A @ ( B @ ( A @ m1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_021) ).

thf(438,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ k0 )
      | ~ ( A @ l0 )
      | ( A @ ( B @ ( A @ m1 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(439,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ k0 )
      | ~ ( A @ l0 )
      | ( A @ ( B @ ( A @ m1 ) ) ) ),
    inference(cnf,[status(esa)],[438]) ).

thf(4165,plain,
    ! [B: $i,A: $i] :
      ( ( ( a @ l0 )
       != ( A @ l0 ) )
      | ~ ( B @ k0 )
      | ~ $true
      | ( A @ ( B @ ( A @ m1 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[703,439]) ).

thf(4166,plain,
    ! [B: $i,A: $i] :
      ( ( ( a @ l0 )
       != ( A @ l0 ) )
      | ~ ( B @ k0 )
      | ( A @ ( B @ ( A @ m1 ) ) ) ),
    inference(simp,[status(thm)],[4165]) ).

thf(4167,plain,
    ! [A: $i] :
      ( ~ ( A @ k0 )
      | ( a @ ( A @ ( a @ m1 ) ) ) ),
    inference(pattern_uni,[status(thm)],[4166:[bind(A,$thf( a ))]]) ).

thf(4178,plain,
    ! [A: $i] :
      ( ~ ( A @ k0 )
      | ( a @ ( A @ ( a @ m1 ) ) ) ),
    inference(simp,[status(thm)],[4167]) ).

thf(4880,plain,
    ! [A: $i] :
      ( ( ( e @ k0 )
       != ( A @ k0 ) )
      | ~ $true
      | ( a @ ( A @ ( a @ m1 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[976,4178]) ).

thf(4881,plain,
    ! [A: $i] :
      ( ( ( e @ k0 )
       != ( A @ k0 ) )
      | ( a @ ( A @ ( a @ m1 ) ) ) ),
    inference(simp,[status(thm)],[4880]) ).

thf(4882,plain,
    a @ ( e @ ( a @ m1 ) ),
    inference(pattern_uni,[status(thm)],[4881:[bind(A,$thf( e ))]]) ).

thf(182,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( B @ m1 ) ) )
      | ( A @ ( B @ ( A @ p2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_176) ).

thf(716,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( B @ m1 ) ) )
      | ( A @ ( B @ ( A @ p2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[182]) ).

thf(717,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( B @ m1 ) ) )
      | ( A @ ( B @ ( A @ p2 ) ) ) ),
    inference(cnf,[status(esa)],[716]) ).

thf(24976,plain,
    ! [B: $i,A: $i] :
      ( ( ( a @ ( e @ ( a @ m1 ) ) )
       != ( B @ ( A @ ( B @ m1 ) ) ) )
      | ~ $true
      | ( A @ ( B @ ( A @ p2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[4882,717]) ).

thf(24977,plain,
    ! [B: $i,A: $i] :
      ( ( ( a @ ( e @ ( a @ m1 ) ) )
       != ( B @ ( A @ ( B @ m1 ) ) ) )
      | ( A @ ( B @ ( A @ p2 ) ) ) ),
    inference(simp,[status(thm)],[24976]) ).

thf(24978,plain,
    e @ ( a @ ( e @ p2 ) ),
    inference(pattern_uni,[status(thm)],[24977:[bind(A,$thf( e )),bind(B,$thf( a ))]]) ).

thf(326,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( e @ p2 ) ) )
      | ~ ( C @ k1 )
      | ( B @ ( B @ ( A @ p2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_155) ).

thf(988,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( e @ p2 ) ) )
      | ~ ( C @ k1 )
      | ( B @ ( B @ ( A @ p2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[326]) ).

thf(989,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( B @ ( A @ ( e @ p2 ) ) )
      | ~ ( C @ k1 )
      | ( B @ ( B @ ( A @ p2 ) ) ) ),
    inference(cnf,[status(esa)],[988]) ).

thf(48457,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( e @ ( a @ ( e @ p2 ) ) )
       != ( B @ ( A @ ( e @ p2 ) ) ) )
      | ~ $true
      | ~ ( C @ k1 )
      | ( B @ ( B @ ( A @ p2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[24978,989]) ).

thf(48458,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( e @ ( a @ ( e @ p2 ) ) )
       != ( B @ ( A @ ( e @ p2 ) ) ) )
      | ~ ( C @ k1 )
      | ( B @ ( B @ ( A @ p2 ) ) ) ),
    inference(simp,[status(thm)],[48457]) ).

thf(48459,plain,
    ! [A: $i] :
      ( ~ ( A @ k1 )
      | ( e @ ( e @ ( a @ p2 ) ) ) ),
    inference(pattern_uni,[status(thm)],[48458:[bind(A,$thf( a )),bind(B,$thf( e ))]]) ).

thf(48776,plain,
    ! [A: $i] :
      ( ~ ( A @ k1 )
      | ( e @ ( e @ ( a @ p2 ) ) ) ),
    inference(simp,[status(thm)],[48459]) ).

thf(49243,plain,
    ! [A: $i] :
      ( ( ( e @ k1 )
       != ( A @ k1 ) )
      | ~ $true
      | ( e @ ( e @ ( a @ p2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[2957,48776]) ).

thf(49244,plain,
    ! [A: $i] :
      ( ( ( e @ k1 )
       != ( A @ k1 ) )
      | ( e @ ( e @ ( a @ p2 ) ) ) ),
    inference(simp,[status(thm)],[49243]) ).

thf(49245,plain,
    e @ ( e @ ( a @ p2 ) ),
    inference(pattern_uni,[status(thm)],[49244:[bind(A,$thf( e ))]]) ).

thf(188,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( D @ ( B @ ( A @ p2 ) ) )
      | ~ ( D @ ( C @ ( B @ m3 ) ) )
      | ( B @ ( B @ ( A @ p3 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_251) ).

thf(728,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( D @ ( B @ ( A @ p2 ) ) )
      | ~ ( D @ ( C @ ( B @ m3 ) ) )
      | ( B @ ( B @ ( A @ p3 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[188]) ).

thf(729,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( D @ ( B @ ( A @ p2 ) ) )
      | ~ ( D @ ( C @ ( B @ m3 ) ) )
      | ( B @ ( B @ ( A @ p3 ) ) ) ),
    inference(cnf,[status(esa)],[728]) ).

thf(49335,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( e @ ( e @ ( a @ p2 ) ) )
       != ( D @ ( B @ ( A @ p2 ) ) ) )
      | ~ $true
      | ~ ( D @ ( C @ ( B @ m3 ) ) )
      | ( B @ ( B @ ( A @ p3 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[49245,729]) ).

thf(49336,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( e @ ( e @ ( a @ p2 ) ) )
       != ( D @ ( B @ ( A @ p2 ) ) ) )
      | ~ ( D @ ( C @ ( B @ m3 ) ) )
      | ( B @ ( B @ ( A @ p3 ) ) ) ),
    inference(simp,[status(thm)],[49335]) ).

thf(49337,plain,
    ! [A: $i] :
      ( ~ ( e @ ( A @ ( e @ m3 ) ) )
      | ( e @ ( e @ ( a @ p3 ) ) ) ),
    inference(pattern_uni,[status(thm)],[49336:[bind(A,$thf( a )),bind(B,$thf( e )),bind(C,$thf( C )),bind(D,$thf( e ))]]) ).

thf(49392,plain,
    ! [A: $i] :
      ( ~ ( e @ ( A @ ( e @ m3 ) ) )
      | ( e @ ( e @ ( a @ p3 ) ) ) ),
    inference(simp,[status(thm)],[49337]) ).

thf(71770,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ m3 ) ) )
       != ( e @ ( B @ ( e @ m3 ) ) ) )
      | ~ $true
      | ( e @ ( e @ ( a @ p3 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[26471,49392]) ).

thf(71771,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ ( A @ m3 ) ) )
       != ( e @ ( B @ ( e @ m3 ) ) ) )
      | ( e @ ( e @ ( a @ p3 ) ) ) ),
    inference(simp,[status(thm)],[71770]) ).

thf(71772,plain,
    e @ ( e @ ( a @ p3 ) ),
    inference(pattern_uni,[status(thm)],[71771:[bind(A,$thf( e )),bind(B,$thf( e ))]]) ).

thf(317,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ l1 ) )
      | ~ ( D @ ( C @ ( B @ p3 ) ) )
      | ( A @ s4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rule_299) ).

thf(972,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ l1 ) )
      | ~ ( D @ ( C @ ( B @ p3 ) ) )
      | ( A @ s4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[317]) ).

thf(973,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( C @ ( A @ l1 ) )
      | ~ ( D @ ( C @ ( B @ p3 ) ) )
      | ( A @ s4 ) ),
    inference(cnf,[status(esa)],[972]) ).

thf(71841,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( e @ ( e @ ( a @ p3 ) ) )
       != ( D @ ( C @ ( B @ p3 ) ) ) )
      | ~ ( C @ ( A @ l1 ) )
      | ~ $true
      | ( A @ s4 ) ),
    inference(paramod_ordered,[status(thm)],[71772,973]) ).

thf(71842,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( e @ ( e @ ( a @ p3 ) ) )
       != ( D @ ( C @ ( B @ p3 ) ) ) )
      | ~ ( C @ ( A @ l1 ) )
      | ( A @ s4 ) ),
    inference(simp,[status(thm)],[71841]) ).

thf(71843,plain,
    ! [A: $i] :
      ( ~ ( e @ ( A @ l1 ) )
      | ( A @ s4 ) ),
    inference(pattern_uni,[status(thm)],[71842:[bind(A,$thf( A )),bind(B,$thf( a )),bind(C,$thf( e )),bind(D,$thf( e ))]]) ).

thf(72054,plain,
    ! [A: $i] :
      ( ( ( e @ ( e @ l1 ) )
       != ( e @ ( A @ l1 ) ) )
      | ~ $true
      | ( A @ s4 ) ),
    inference(paramod_ordered,[status(thm)],[7413,71843]) ).

thf(72055,plain,
    ! [A: $i] :
      ( ( ( e @ ( e @ l1 ) )
       != ( e @ ( A @ l1 ) ) )
      | ( A @ s4 ) ),
    inference(simp,[status(thm)],[72054]) ).

thf(72056,plain,
    e @ s4,
    inference(pattern_uni,[status(thm)],[72055:[bind(A,$thf( e ))]]) ).

thf(1,negated_conjecture,
    ~ ( e @ s4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this) ).

thf(370,plain,
    ~ ( e @ s4 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(371,plain,
    ~ ( e @ s4 ),
    inference(polarity_switch,[status(thm)],[370]) ).

thf(72077,plain,
    $false,
    inference(rewrite,[status(thm)],[72056,371]) ).

thf(72078,plain,
    $false,
    inference(simp,[status(thm)],[72077]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SYN212-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.08  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.14/5.41  % Computer : n007.cluster.edu
% 0.14/5.41  % Model    : x86_64 x86_64
% 0.14/5.41  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/5.41  % Memory   : 8046.5625MB
% 0.14/5.41  % OS       : Linux 6.8.0-71-generic
% 0.14/5.41  % CPULimit : 300
% 0.14/5.41  % WCLimit  : 300
% 0.14/5.41  % DateTime : Sat Sep 26 17:20:30 UTC 2026
% 0.14/5.42  % CPUTime  : 
% 0.14/5.42  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.18/6.01  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.82/6.33  % [INFO] 	 Parsing done (317ms). 
% 1.82/6.34  % [INFO] 	 Running in sequential loop mode. 
% 2.83/6.74  % [INFO] 	 eprover registered as external prover. 
% 2.83/6.75  % [INFO] 	 Scanning for conjecture ... 
% 3.03/6.89  % [INFO] 	 Found a conjecture (or negated_conjecture) and 368 axioms. Running axiom selection ... 
% 3.73/7.05  % [INFO] 	 Axiom selection finished. Selected 368 axioms (removed 0 axioms). 
% 4.25/7.24  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 4.25/7.25  % [INFO] 	 Type checking passed. 
% 4.25/7.26  % [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 ... 
% 206.19/119.00  % [INFO] 	 Killing All external provers ... 
% 206.19/119.01  % Time passed: 113442ms (effective reasoning time: 112653ms)
% 206.19/119.01  % Axioms used in derivation (14): axiom_19, rule_299, axiom_20, rule_251, axiom_28, rule_021, axiom_30, rule_154, rule_001, rule_238, rule_176, rule_122, rule_155, rule_002
% 206.19/119.01  % No. of inferences in proof: 89
% 206.19/119.01  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 113442 ms resp. 112653 ms w/o parsing
% 206.46/119.06  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 206.46/119.06  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------