TSTP Solution File: NUM636^2 by Leo-III---1.7.10

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : NUM636^2 : TPTP v8.1.2. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n023.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 May  7 08:00:17 EDT 2024

% Result   : Theorem 32.20s 7.41s
% Output   : Refutation 32.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   10
% Syntax   : Number of formulae    :  100 (  36 unt;   5 typ;   0 def)
%            Number of atoms       :  316 ( 310 equ;  80 cnn)
%            Maximal formula atoms :    4 (   3 avg)
%            Number of connectives : 1106 ( 252   ~; 199   |;   2   &; 647   @)
%                                         (   0 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   7 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   64 (  64   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    9 (   5 usr;   5 con; 0-2 aty)
%            Number of variables   :  244 (  75   ^ 167   !;   2   ?; 244   :)

% Comments : 
%------------------------------------------------------------------------------
thf(one_type,type,
    one: $i ).

thf(succ_type,type,
    succ: $i > $i ).

thf(sk1_type,type,
    sk1: $i ).

thf(sk2_type,type,
    sk2: $i > $i ).

thf(sk3_type,type,
    sk3: ( $i > $o ) > $i ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( succ @ A )
     != A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz2) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( succ @ A )
       != A ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(6,plain,
    ~ ! [A: $i] :
        ( ( succ @ A )
       != A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(7,plain,
    ~ ~ ? [A: $i] :
          ( ( succ @ A )
          = A ),
    inference(miniscope,[status(thm)],[6]) ).

thf(8,plain,
    ( ( succ @ sk1 )
    = sk1 ),
    inference(cnf,[status(esa)],[7]) ).

thf(9,plain,
    ( ( succ @ sk1 )
    = sk1 ),
    inference(lifteq,[status(thm)],[8]) ).

thf(5,axiom,
    ! [A: $i > $o] :
      ( ( ( A @ one )
        & ! [B: $i] :
            ( ( A @ B )
           => ( A @ ( succ @ B ) ) ) )
     => ! [B: $i] : ( A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',induction) ).

thf(18,plain,
    ! [A: $i > $o] :
      ( ( ( A @ one )
        & ! [B: $i] :
            ( ( A @ B )
           => ( A @ ( succ @ B ) ) ) )
     => ! [B: $i] : ( A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(19,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( A @ B ) ),
    inference(cnf,[status(esa)],[18]) ).

thf(36,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[19]) ).

thf(57,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) ) ),
    inference(simp,[status(thm)],[36]) ).

thf(88,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( succ @ ( sk3 @ A ) )
       != ( succ @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[9,57]) ).

thf(113,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( sk3 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[88]) ).

thf(238,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( sk3 @ A )
       != sk1 )
      | ( ( A @ sk1 )
       != ( A @ one ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[113]) ).

thf(253,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( sk3 @ A )
       != sk1 )
      | ( ( A @ sk1 )
       != ( A @ one ) ) ),
    inference(pre_uni,[status(thm)],[238:[]]) ).

thf(38,plain,
    ! [B: $i > $o,A: $i] :
      ( ~ ~ ( B @ one )
      | ~ ~ ( B
            @ ( succ
              @ ( sk3
                @ ^ [C: $i] :
                    ~ ( B @ C ) ) ) )
      | ~ ( B @ A ) ),
    inference(prim_subst,[status(thm)],[19:[bind(A,$thf( ^ [D: $i] : ~ ( C @ D ) ))]]) ).

thf(64,plain,
    ! [B: $i > $o,A: $i] :
      ( ~ ( B @ A )
      | ( B
        @ ( succ
          @ ( sk3
            @ ^ [C: $i] :
                ~ ( B @ C ) ) ) )
      | ( B @ one ) ),
    inference(cnf,[status(esa)],[38]) ).

thf(65,plain,
    ! [B: $i > $o,A: $i] :
      ( ~ ( B @ A )
      | ( B
        @ ( succ
          @ ( sk3
            @ ^ [C: $i] :
                ~ ( B @ C ) ) ) )
      | ( B @ one ) ),
    inference(simp,[status(thm)],[64]) ).

thf(20,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( A @ ( sk3 @ A ) )
      | ( A @ B ) ),
    inference(cnf,[status(esa)],[18]) ).

thf(22,plain,
    ! [A: $i] :
      ( ( one != one )
      | ( one
        = ( sk3 @ ( (=) @ $i @ one ) ) )
      | ( one = A ) ),
    inference(replace_leibeq,[status(thm)],[20:[bind(A,$thf( (=) @ $i @ one ))]]) ).

thf(25,plain,
    ! [A: $i] :
      ( ( one != one )
      | ( ( sk3 @ ( (=) @ $i @ one ) )
        = one )
      | ( one = A ) ),
    inference(lifteq,[status(thm)],[22]) ).

thf(26,plain,
    ! [A: $i] :
      ( ( ( sk3 @ ( (=) @ $i @ one ) )
        = one )
      | ( one = A ) ),
    inference(simp,[status(thm)],[25]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( succ @ A )
     != one ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_is_first) ).

thf(10,plain,
    ! [A: $i] :
      ( ( succ @ A )
     != one ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(11,plain,
    ~ ? [A: $i] :
        ( ( succ @ A )
        = one ),
    inference(miniscope,[status(thm)],[10]) ).

thf(12,plain,
    ! [A: $i] :
      ( ( succ @ A )
     != one ),
    inference(cnf,[status(esa)],[11]) ).

thf(13,plain,
    ! [A: $i] :
      ( ( succ @ A )
     != one ),
    inference(lifteq,[status(thm)],[12]) ).

thf(166,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( (=) @ $i @ one ) )
        = one )
      | ( A
       != ( succ @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[26,13]) ).

thf(167,plain,
    ( ( sk3 @ ( (=) @ $i @ one ) )
    = one ),
    inference(pattern_uni,[status(thm)],[166:[bind(A,$thf( succ @ C )),bind(B,$thf( C ))]]) ).

thf(352,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( A @ B )
      | ( C @ ( sk3 @ C ) )
      | ( C @ D )
      | ( ( A @ ( sk3 @ A ) )
       != ( C @ one ) ) ),
    inference(paramod_ordered,[status(thm)],[20,20]) ).

thf(394,plain,
    ! [C: $i,B: $i > $o,A: $i] :
      ( ( one != one )
      | ( one = A )
      | ( B @ ( sk3 @ B ) )
      | ( B @ C )
      | ( ( one
          = ( sk3 @ ( (=) @ $i @ one ) ) )
       != ( B @ one ) ) ),
    inference(replace_leibeq,[status(thm)],[352:[bind(A,$thf( (=) @ $i @ one ))]]) ).

thf(430,plain,
    ! [C: $i,B: $i > $o,A: $i] :
      ( ( one != one )
      | ( one = A )
      | ( B @ ( sk3 @ B ) )
      | ( B @ C )
      | ( ( one
          = ( sk3 @ ( (=) @ $i @ one ) ) )
       != ( B @ one ) ) ),
    inference(lifteq,[status(thm)],[394]) ).

thf(460,plain,
    ! [B: $i,A: $i] :
      ( ( one
        = ( sk3 @ ( (=) @ $i @ B ) ) )
      | ( one
        = ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) ) )
      | ( one = A ) ),
    inference(pre_uni,[status(thm)],[430:[bind(A,$thf( A )),bind(B,$thf( ^ [D: $i] : ( one = ( sk3 @ ( (=) @ $i @ D ) ) ) )),bind(C,$thf( C ))]]) ).

thf(529,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( (=) @ $i @ B ) )
        = one )
      | ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) )
        = one )
      | ( one = A ) ),
    inference(lifteq,[status(thm)],[460]) ).

thf(530,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( (=) @ $i @ B ) )
        = one )
      | ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) )
        = one )
      | ( one = A ) ),
    inference(simp,[status(thm)],[529]) ).

thf(1653,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3 @ ( (=) @ $i @ B ) )
        = one )
      | ( one = A )
      | ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) )
       != ( sk3 @ ( (=) @ $i @ B ) ) )
      | ( one != one ) ),
    inference(eqfactor_ordered,[status(thm)],[530]) ).

thf(1726,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [B: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) )
        = one )
      | ( one = A ) ),
    inference(pattern_uni,[status(thm)],[1653:[bind(A,$thf( A )),bind(B,$thf( sk3 @ ^ [C: $i] : ( one = ( sk3 @ ( (=) @ $i @ C ) ) ) ))]]) ).

thf(2376,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) )
        = one )
      | ( A
       != ( succ @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[1726,13]) ).

thf(2377,plain,
    ( ( sk3
      @ ( (=) @ $i
        @ ( sk3
          @ ^ [A: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ A ) ) ) ) ) )
    = one ),
    inference(pattern_uni,[status(thm)],[2376:[bind(A,$thf( succ @ C )),bind(B,$thf( C ))]]) ).

thf(2920,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ one ) )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( sk3
          @ ( (=) @ $i
            @ ( sk3
              @ ^ [C: $i] :
                  ( one
                  = ( sk3 @ ( (=) @ $i @ C ) ) ) ) ) )
       != ( sk3 @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[2377,57]) ).

thf(2921,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != one )
      | ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) ) ),
    inference(pattern_uni,[status(thm)],[2920:[bind(A,$thf( (=) @ $i @ ( sk3 @ ^ [C: $i] : ( one = ( sk3 @ ( (=) @ $i @ C ) ) ) ) )),bind(B,$thf( B ))]]) ).

thf(2934,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != one )
      | ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) ) ),
    inference(lifteq,[status(thm)],[2921]) ).

thf(2956,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != one )
      | ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) ) ),
    inference(simp,[status(thm)],[2934]) ).

thf(2978,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( sk3 @ ( (=) @ $i @ one ) )
       != ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[167,2956]) ).

thf(3036,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( (=) @ $i @ one )
       != ( ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) ),
    inference(simp,[status(thm)],[2978]) ).

thf(3053,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( ^ [B: $i] : one )
       != ( ^ [B: $i] : one ) )
      | ( ( ^ [B: $i] : B )
       != ( ^ [B: $i] : ( sk3 @ ( (=) @ $i @ B ) ) ) ) ),
    inference(simp,[status(thm)],[3036]) ).

thf(3143,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
          = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( ^ [B: $i] : B )
       != ( ^ [B: $i] : ( sk3 @ ( (=) @ $i @ B ) ) ) ) ),
    inference(simp,[status(thm)],[3053]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( ( succ @ A )
        = ( succ @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',succ_injective) ).

thf(14,plain,
    ! [A: $i,B: $i] :
      ( ( ( succ @ A )
        = ( succ @ B ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(15,plain,
    ! [B: $i,A: $i] :
      ( ( ( succ @ A )
       != ( succ @ B ) )
      | ( A = B ) ),
    inference(cnf,[status(esa)],[14]) ).

thf(16,plain,
    ! [B: $i,A: $i] :
      ( ( ( succ @ A )
       != ( succ @ B ) )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[15]) ).

thf(17,plain,
    ! [A: $i] :
      ( ( sk2 @ ( succ @ A ) )
      = A ),
    introduced(tautology,[new_symbols(inverse(succ),[sk2])]) ).

thf(33,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( C @ one )
      | ( C @ D )
      | ( ( A @ B )
       != ( C @ ( succ @ ( sk3 @ C ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[19,19]) ).

thf(58,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( C @ one )
      | ( C @ D )
      | ( ( A @ B )
       != ( C @ ( succ @ ( sk3 @ C ) ) ) ) ),
    inference(pre_uni,[status(thm)],[33:[]]) ).

thf(59,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ( C @ D )
      | ~ ( C @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( A @ one )
      | ( ( A @ B )
       != ( C @ ( succ @ ( sk3 @ C ) ) ) ) ),
    inference(pre_uni,[status(thm)],[58:[]]) ).

thf(41,plain,
    ! [C: $i > $o,B: $i > $o,A: $i] :
      ( ~ ( ( B @ one )
          | ( C @ one ) )
      | ~ ( ( B
            @ ( succ
              @ ( sk3
                @ ^ [D: $i] :
                    ( ( B @ D )
                    | ( C @ D ) ) ) ) )
          | ( C
            @ ( succ
              @ ( sk3
                @ ^ [D: $i] :
                    ( ( B @ D )
                    | ( C @ D ) ) ) ) ) )
      | ( B @ A )
      | ( C @ A ) ),
    inference(prim_subst,[status(thm)],[19:[bind(A,$thf( ^ [E: $i] : ( ( C @ E ) | ( D @ E ) ) ))]]) ).

thf(67,plain,
    ! [C: $i > $o,B: $i > $o,A: $i] :
      ( ( B @ A )
      | ( C @ A )
      | ~ ( B
          @ ( succ
            @ ( sk3
              @ ^ [D: $i] :
                  ( ( B @ D )
                  | ( C @ D ) ) ) ) )
      | ~ ( B @ one ) ),
    inference(cnf,[status(esa)],[41]) ).

thf(71,plain,
    ! [C: $i > $o,B: $i > $o,A: $i] :
      ( ( B @ A )
      | ( C @ A )
      | ~ ( B
          @ ( succ
            @ ( sk3
              @ ^ [D: $i] :
                  ( ( B @ D )
                  | ( C @ D ) ) ) ) )
      | ~ ( B @ one ) ),
    inference(simp,[status(thm)],[67]) ).

thf(29,plain,
    ! [A: $i] :
      ( ( ( sk2 @ sk1 )
        = A )
      | ( ( succ @ sk1 )
       != ( succ @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[9,17]) ).

thf(30,plain,
    ( ( sk2 @ sk1 )
    = sk1 ),
    inference(pattern_uni,[status(thm)],[29:[bind(A,$thf( sk1 ))]]) ).

thf(138,plain,
    ! [A: $i] :
      ( ( sk1 = A )
      | ( ( sk2 @ ( succ @ A ) )
       != ( sk2 @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[30,17]) ).

thf(140,plain,
    ! [A: $i] :
      ( ( sk1 = A )
      | ( ( succ @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[138]) ).

thf(31,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( A @ B )
      | ( ( succ @ ( sk3 @ A ) )
       != ( succ @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[9,19]) ).

thf(56,plain,
    ! [B: $i,A: $i > $o] :
      ( ( A @ B )
      | ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( sk3 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[31]) ).

thf(37,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( A @ B )
       != ( ~ ( A @ ( succ @ ( sk3 @ A ) ) ) ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[19]) ).

thf(50,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( A @ B )
       != ( ~ ( A @ ( succ @ ( sk3 @ A ) ) ) ) ) ),
    inference(simp,[status(thm)],[37]) ).

thf(284,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( ~ ( A @ sk1 ) )
       != ( A @ B ) )
      | ( ( succ @ ( sk3 @ A ) )
       != ( succ @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[9,50]) ).

thf(311,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ( ( ~ ( A @ sk1 ) )
       != ( A @ B ) )
      | ( ( sk3 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[284]) ).

thf(1352,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( ~ ( A @ sk1 ) )
       != ( A @ B ) )
      | ( ( sk3 @ A )
       != sk1 )
      | ( ( succ @ ( sk3 @ A ) )
       != ( succ @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[9,311]) ).

thf(1440,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( ~ ( A @ sk1 ) )
       != ( A @ B ) )
      | ( ( sk3 @ A )
       != sk1 )
      | ( ( sk3 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[1352]) ).

thf(1462,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ sk1 )
      | ( ( ~ ( A @ sk1 ) )
       != ( A @ B ) )
      | ( ( sk3 @ A )
       != sk1 ) ),
    inference(simp,[status(thm)],[1440]) ).

thf(32,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( C @ ( succ @ ( sk3 @ C ) ) )
      | ( C @ D )
      | ( ( A @ B )
       != ( C @ one ) ) ),
    inference(paramod_ordered,[status(thm)],[19,19]) ).

thf(60,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( C @ ( succ @ ( sk3 @ C ) ) )
      | ( C @ D )
      | ( ( A @ B )
       != ( C @ one ) ) ),
    inference(pre_uni,[status(thm)],[32:[]]) ).

thf(61,plain,
    ! [D: $i,C: $i > $o,B: $i,A: $i > $o] :
      ( ( C @ D )
      | ~ ( C @ ( succ @ ( sk3 @ C ) ) )
      | ~ ( A @ ( succ @ ( sk3 @ A ) ) )
      | ~ ( A @ one )
      | ( ( A @ B )
       != ( C @ one ) ) ),
    inference(pre_uni,[status(thm)],[60:[]]) ).

thf(94,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( A @ ( succ @ ( sk3 @ A ) ) )
       != ( A @ one ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[57]) ).

thf(116,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( ( A @ B )
       != ( ~ ( A @ one ) ) )
      | ( ( A @ ( succ @ ( sk3 @ A ) ) )
       != ( A @ one ) ) ),
    inference(pre_uni,[status(thm)],[94:[]]) ).

thf(27,plain,
    ! [A: $i] :
      ( ( sk1 != one )
      | ( ( succ @ sk1 )
       != ( succ @ A ) ) ),
    inference(paramod_ordered,[status(thm)],[9,13]) ).

thf(28,plain,
    sk1 != one,
    inference(pattern_uni,[status(thm)],[27:[bind(A,$thf( sk1 ))]]) ).

thf(66,plain,
    ! [C: $i > $o,B: $i > $o,A: $i] :
      ( ( B @ A )
      | ( C @ A )
      | ~ ( B
          @ ( succ
            @ ( sk3
              @ ^ [D: $i] :
                  ( ( B @ D )
                  | ( C @ D ) ) ) ) )
      | ~ ( C @ one ) ),
    inference(cnf,[status(esa)],[41]) ).

thf(70,plain,
    ! [C: $i > $o,B: $i > $o,A: $i] :
      ( ( B @ A )
      | ( C @ A )
      | ~ ( B
          @ ( succ
            @ ( sk3
              @ ^ [D: $i] :
                  ( ( B @ D )
                  | ( C @ D ) ) ) ) )
      | ~ ( C @ one ) ),
    inference(simp,[status(thm)],[66]) ).

thf(3064,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( one = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( (=) @ $i @ one )
       != ( ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) )
      | ( ( sk3 @ ( (=) @ $i @ one ) )
       != ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[167,3036]) ).

thf(3119,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( one = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( (=) @ $i @ one )
       != ( ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) )
      | ( ( (=) @ $i @ one )
       != ( ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) ),
    inference(simp,[status(thm)],[3064]) ).

thf(3146,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( one = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( (=) @ $i @ one )
       != ( ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) ) ) ),
    inference(simp,[status(thm)],[3119]) ).

thf(3963,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( one = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( ^ [B: $i] : one )
       != ( ^ [B: $i] : one ) )
      | ( ( ^ [B: $i] : B )
       != ( ^ [B: $i] : ( sk3 @ ( (=) @ $i @ B ) ) ) ) ),
    inference(simp,[status(thm)],[3146]) ).

thf(4081,plain,
    ! [A: $i] :
      ( ( ( sk3
          @ ^ [B: $i] :
              ( one
              = ( sk3 @ ( (=) @ $i @ B ) ) ) )
       != ( succ @ one ) )
      | ( ( one = A )
       != ( ( sk3
            @ ^ [B: $i] :
                ( one
                = ( sk3 @ ( (=) @ $i @ B ) ) ) )
         != one ) )
      | ( ( ^ [B: $i] : B )
       != ( ^ [B: $i] : ( sk3 @ ( (=) @ $i @ B ) ) ) ) ),
    inference(simp,[status(thm)],[3963]) ).

thf(604,plain,
    ! [B: $i > $o,A: $i] :
      ( ~ ( B @ A )
      | ~ ~ ( B @ one )
      | ~ ~ ( B @ sk1 )
      | ( ( sk3
          @ ^ [C: $i] :
              ~ ( B @ C ) )
       != sk1 ) ),
    inference(prim_subst,[status(thm)],[56:[bind(A,$thf( ^ [D: $i] : ~ ( C @ D ) ))]]) ).

thf(679,plain,
    ! [B: $i > $o,A: $i] :
      ( ( ( sk3
          @ ^ [C: $i] :
              ~ ( B @ C ) )
       != sk1 )
      | ( B @ sk1 )
      | ( B @ one )
      | ~ ( B @ A ) ),
    inference(cnf,[status(esa)],[604]) ).

thf(680,plain,
    ! [B: $i > $o,A: $i] :
      ( ( ( sk3
          @ ^ [C: $i] :
              ~ ( B @ C ) )
       != sk1 )
      | ( B @ sk1 )
      | ( B @ one )
      | ~ ( B @ A ) ),
    inference(simp,[status(thm)],[679]) ).

thf(3220,plain,
    ! [B: $i > $o,A: $i] :
      ( ( ( sk3
          @ ^ [C: $i] :
              ~ ~ ( B @ C ) )
       != sk1 )
      | ~ ( B @ sk1 )
      | ~ ( B @ one )
      | ~ ~ ( B @ A ) ),
    inference(prim_subst,[status(thm)],[680:[bind(A,$thf( A )),bind(B,$thf( ^ [D: $i] : ~ ( C @ D ) ))]]) ).

thf(3422,plain,
    ! [B: $i > $o,A: $i] :
      ( ( B @ A )
      | ~ ( B @ one )
      | ~ ( B @ sk1 )
      | ( ( sk3
          @ ^ [C: $i] :
              ~ ~ ( B @ C ) )
       != sk1 ) ),
    inference(cnf,[status(esa)],[3220]) ).

thf(3423,plain,
    ! [B: $i > $o,A: $i] :
      ( ( B @ A )
      | ~ ( B @ one )
      | ~ ( B @ sk1 )
      | ( ( sk3 @ B )
       != sk1 ) ),
    inference(simp,[status(thm)],[3422]) ).

thf(34,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( A @ B )
      | ( ( A @ ( succ @ ( sk3 @ A ) ) )
       != ( A @ one ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[19]) ).

thf(62,plain,
    ! [B: $i,A: $i > $o] :
      ( ~ ( A @ one )
      | ( A @ B )
      | ( ( A @ ( succ @ ( sk3 @ A ) ) )
       != ( A @ one ) ) ),
    inference(pre_uni,[status(thm)],[34:[]]) ).

thf(63,plain,
    ! [B: $i,A: $i > $o] :
      ( ( A @ B )
      | ~ ( A @ one )
      | ( ( A @ ( succ @ ( sk3 @ A ) ) )
       != ( A @ one ) ) ),
    inference(pre_uni,[status(thm)],[62:[]]) ).

thf(6283,plain,
    $false,
    inference(e,[status(thm)],[253,6,65,3143,13,17,59,71,113,140,2956,10,56,14,1462,20,57,61,3036,116,28,70,2377,9,4081,311,3423,167,680,3146,63,18,50,16,30,19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : NUM636^2 : TPTP v8.1.2. Released v3.7.0.
% 0.07/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n023.cluster.edu
% 0.16/0.37  % Model    : x86_64 x86_64
% 0.16/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.37  % Memory   : 8042.1875MB
% 0.16/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.37  % CPULimit : 300
% 0.16/0.37  % WCLimit  : 300
% 0.16/0.37  % DateTime : Mon May  6 12:08:54 EDT 2024
% 0.16/0.37  % CPUTime  : 
% 0.98/0.87  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.17/0.98  % [INFO] 	 Parsing done (113ms). 
% 1.30/0.99  % [INFO] 	 Running in sequential loop mode. 
% 1.65/1.21  % [INFO] 	 eprover registered as external prover. 
% 1.65/1.21  % [INFO] 	 cvc4 registered as external prover. 
% 1.65/1.22  % [INFO] 	 Scanning for conjecture ... 
% 1.86/1.27  % [INFO] 	 Found a conjecture and 3 axioms. Running axiom selection ... 
% 1.86/1.29  % [INFO] 	 Axiom selection finished. Selected 3 axioms (removed 0 axioms). 
% 1.86/1.29  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 1.86/1.30  % [INFO] 	 Type checking passed. 
% 1.86/1.30  % [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 ... 
% 32.20/7.40  % External prover 'e' found a proof!
% 32.20/7.40  % [INFO] 	 Killing All external provers ... 
% 32.20/7.41  % Time passed: 6869ms (effective reasoning time: 6412ms)
% 32.20/7.41  % Solved by 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)>
% 32.20/7.41  % Axioms used in derivation (3): induction, one_is_first, succ_injective
% 32.20/7.41  % No. of inferences in proof: 95
% 32.20/7.41  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 6869 ms resp. 6412 ms w/o parsing
% 32.44/7.49  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 32.44/7.49  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------