TSTP Solution File: NUN025^2 by Satallax---3.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : NUN025^2 : TPTP v8.1.0. Released v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n017.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  : 600s
% DateTime : Mon Jul 18 16:37:46 EDT 2022

% Result   : Theorem 47.56s 47.84s
% Output   : Proof 47.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   64
% Syntax   : Number of formulae    :  245 (  68 unt;   0 typ;   0 def)
%            Number of atoms       :  721 (  77 equ;   0 cnn)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  650 ( 261   ~; 216   |;   2   &; 131   @)
%                                         (   0 <=>;  38  =>;   2  <=;   0 <~>)
%            Maximal formula depth :   15 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   67 (  65 usr;  66 con; 0-2 aty)
%            Number of variables   :   35 (   0   ^  35   !;   0   ?;  35   :)

% Comments : 
%------------------------------------------------------------------------------
thf(n10,conjecture,
    ( ~ ( ~ ( ~ ( ! [X1: $o,X2: $i,X3: $i] :
                    ( X1
                   => ( ( ite @ X1 @ X2 @ X3 )
                      = X2 ) )
               => ~ ! [X1: $o,X2: $i,X3: $i] :
                      ( ~ X1
                     => ( ( ite @ X1 @ X2 @ X3 )
                        = X3 ) ) )
           => ~ ! [X1: $i] :
                  ( ( s @ X1 )
                 != X1 ) )
       => ~ ! [X1: $i] :
              ( ( h @ X1 )
              = ( ite
                @ ( X1
                  = ( s @ zero ) )
                @ zero
                @ ( s @ zero ) ) ) )
   => ~ ! [X1: $i > $i] :
          ( ~ ( ( ( X1 @ zero )
                = ( s @ zero ) )
             => ( ( X1 @ ( s @ zero ) )
               != zero ) )
         => ( ( X1 @ ( s @ ( s @ zero ) ) )
           != ( s @ zero ) ) ) ) ).

thf(h0,negated_conjecture,
    ~ ( ~ ( ~ ( ~ ( ! [X1: $o,X2: $i,X3: $i] :
                      ( X1
                     => ( ( ite @ X1 @ X2 @ X3 )
                        = X2 ) )
                 => ~ ! [X1: $o,X2: $i,X3: $i] :
                        ( ~ X1
                       => ( ( ite @ X1 @ X2 @ X3 )
                          = X3 ) ) )
             => ~ ! [X1: $i] :
                    ( ( s @ X1 )
                   != X1 ) )
         => ~ ! [X1: $i] :
                ( ( h @ X1 )
                = ( ite
                  @ ( X1
                    = ( s @ zero ) )
                  @ zero
                  @ ( s @ zero ) ) ) )
     => ~ ! [X1: $i > $i] :
            ( ~ ( ( ( X1 @ zero )
                  = ( s @ zero ) )
               => ( ( X1 @ ( s @ zero ) )
                 != zero ) )
           => ( ( X1 @ ( s @ ( s @ zero ) ) )
             != ( s @ zero ) ) ) ),
    inference(assume_negation,[status(cth)],[n10]) ).

thf(ax652,axiom,
    ( p1
    | ~ p2 ),
    file('<stdin>',ax652) ).

thf(ax653,axiom,
    ~ p1,
    file('<stdin>',ax653) ).

thf(ax650,axiom,
    ( p2
    | ~ p4 ),
    file('<stdin>',ax650) ).

thf(ax645,axiom,
    ( p4
    | ~ p9 ),
    file('<stdin>',ax645) ).

thf(ax599,axiom,
    ( ~ p12
    | p53 ),
    file('<stdin>',ax599) ).

thf(ax642,axiom,
    ( p9
    | p12 ),
    file('<stdin>',ax642) ).

thf(nax32,axiom,
    ( p32
   <= ! [X1: $i] :
        ( ( fzero = X1 )
       => ( X1 = fzero ) ) ),
    file('<stdin>',nax32) ).

thf(ax217,axiom,
    ( ~ p53
    | p353 ),
    file('<stdin>',ax217) ).

thf(ax605,axiom,
    ( ~ p32
    | p48 ),
    file('<stdin>',ax605) ).

thf(ax637,axiom,
    ( ~ p10
    | ~ p17 ),
    file('<stdin>',ax637) ).

thf(ax644,axiom,
    ( p4
    | p10 ),
    file('<stdin>',ax644) ).

thf(ax224,axiom,
    ( ~ p85
    | p351 ),
    file('<stdin>',ax224) ).

thf(ax218,axiom,
    ( ~ p353
    | p352 ),
    file('<stdin>',ax218) ).

thf(ax604,axiom,
    ( ~ p48
    | ~ p45
    | p17 ),
    file('<stdin>',ax604) ).

thf(ax636,axiom,
    ( ~ p5
    | p18 ),
    file('<stdin>',ax636) ).

thf(ax649,axiom,
    ( p2
    | p5 ),
    file('<stdin>',ax649) ).

thf(ax223,axiom,
    ( ~ p351
    | p350 ),
    file('<stdin>',ax223) ).

thf(ax571,axiom,
    p85,
    file('<stdin>',ax571) ).

thf(ax359,axiom,
    ( ~ p85
    | p244 ),
    file('<stdin>',ax359) ).

thf(ax376,axiom,
    ( ~ p12
    | p226 ),
    file('<stdin>',ax376) ).

thf(ax219,axiom,
    ( ~ p352
    | p45
    | p347 ),
    file('<stdin>',ax219) ).

thf(ax222,axiom,
    ( ~ p350
    | ~ p18
    | p349 ),
    file('<stdin>',ax222) ).

thf(ax638,axiom,
    ( ~ p5
    | p16 ),
    file('<stdin>',ax638) ).

thf(ax358,axiom,
    ( ~ p244
    | p243 ),
    file('<stdin>',ax358) ).

thf(ax345,axiom,
    ( ~ p11
    | p253 ),
    file('<stdin>',ax345) ).

thf(ax643,axiom,
    ( p9
    | p11 ),
    file('<stdin>',ax643) ).

thf(ax27,axiom,
    ( ~ p226
    | p514 ),
    file('<stdin>',ax27) ).

thf(ax34,axiom,
    ( ~ p85
    | p512 ),
    file('<stdin>',ax34) ).

thf(ax220,axiom,
    ( ~ p348
    | ~ p347
    | p346 ),
    file('<stdin>',ax220) ).

thf(ax221,axiom,
    ( ~ p349
    | p348 ),
    file('<stdin>',ax221) ).

thf(ax357,axiom,
    ( ~ p243
    | ~ p16
    | p242 ),
    file('<stdin>',ax357) ).

thf(ax346,axiom,
    ( ~ p253
    | p252 ),
    file('<stdin>',ax346) ).

thf(ax28,axiom,
    ( ~ p514
    | p513 ),
    file('<stdin>',ax28) ).

thf(ax639,axiom,
    ( ~ p10
    | ~ p15 ),
    file('<stdin>',ax639) ).

thf(ax619,axiom,
    ( ~ p5
    | p35 ),
    file('<stdin>',ax619) ).

thf(ax33,axiom,
    ( ~ p512
    | p511 ),
    file('<stdin>',ax33) ).

thf(pax8,axiom,
    ( p8
   => ( ~ ( ( fzero
            = ( fs @ fzero ) )
         => ( fzero != fzero ) )
     => ( fzero
       != ( fs @ fzero ) ) ) ),
    file('<stdin>',pax8) ).

thf(ax646,axiom,
    ( ~ p3
    | p8 ),
    file('<stdin>',ax646) ).

thf(ax651,axiom,
    ( p1
    | p3 ),
    file('<stdin>',ax651) ).

thf(ax350,axiom,
    ( ~ p242
    | p250 ),
    file('<stdin>',ax350) ).

thf(ax347,axiom,
    ( ~ p252
    | p251 ),
    file('<stdin>',ax347) ).

thf(ax29,axiom,
    ( ~ p513
    | p15
    | p508 ),
    file('<stdin>',ax29) ).

thf(ax32,axiom,
    ( ~ p511
    | ~ p35
    | p510 ),
    file('<stdin>',ax32) ).

thf(pax346,axiom,
    ( p346
   => ( ( fh @ fzero )
      = ( fs @ fzero ) ) ),
    file('<stdin>',pax346) ).

thf(ax349,axiom,
    ( ~ p250
    | ~ p249
    | p248 ),
    file('<stdin>',ax349) ).

thf(ax348,axiom,
    ( ~ p251
    | ~ p25
    | p249 ),
    file('<stdin>',ax348) ).

thf(ax365,axiom,
    ( ~ p29
    | p235 ),
    file('<stdin>',ax365) ).

thf(ax30,axiom,
    ( ~ p509
    | ~ p508
    | p507 ),
    file('<stdin>',ax30) ).

thf(ax31,axiom,
    ( ~ p510
    | p509 ),
    file('<stdin>',ax31) ).

thf(ax21,axiom,
    ( ~ p85
    | p524 ),
    file('<stdin>',ax21) ).

thf(pax401,axiom,
    ( p401
   => ! [X1: $i] :
        ( ( ( fh @ fzero )
          = X1 )
       => ( X1 = fzero ) ) ),
    file('<stdin>',pax401) ).

thf(ax629,axiom,
    p25,
    file('<stdin>',ax629) ).

thf(ax306,axiom,
    ( ~ p235
    | p287 ),
    file('<stdin>',ax306) ).

thf(ax627,axiom,
    p29,
    file('<stdin>',ax627) ).

thf(ax3,axiom,
    ( ~ p524
    | p539 ),
    file('<stdin>',ax3) ).

thf(nax401,axiom,
    ( p401
   <= ! [X1: $i] :
        ( ( ( fh @ fzero )
          = X1 )
       => ( X1 = fzero ) ) ),
    file('<stdin>',nax401) ).

thf(ax305,axiom,
    ( ~ p287
    | ~ p248
    | p286 ),
    file('<stdin>',ax305) ).

thf(ax2,axiom,
    ( ~ p539
    | ~ p507
    | p538 ),
    file('<stdin>',ax2) ).

thf(pax286,axiom,
    ( p286
   => ( fzero
      = ( fh @ ( fs @ fzero ) ) ) ),
    file('<stdin>',pax286) ).

thf(pax538,axiom,
    ( p538
   => ! [X1: $i] :
        ( ( ( fh @ ( fs @ ( fs @ fzero ) ) )
          = X1 )
       => ( X1
          = ( fs @ fzero ) ) ) ),
    file('<stdin>',pax538) ).

thf(ax298,axiom,
    ( ~ p3
    | p292 ),
    file('<stdin>',ax298) ).

thf(pax292,axiom,
    ( p292
   => ( ~ ( ( ( fh @ fzero )
            = ( fs @ fzero ) )
         => ( ( fh @ ( fs @ fzero ) )
           != fzero ) )
     => ( ( fh @ ( fs @ ( fs @ fzero ) ) )
       != ( fs @ fzero ) ) ) ),
    file('<stdin>',pax292) ).

thf(c_0_62,plain,
    ( p1
    | ~ p2 ),
    inference(fof_simplification,[status(thm)],[ax652]) ).

thf(c_0_63,plain,
    ~ p1,
    inference(fof_simplification,[status(thm)],[ax653]) ).

thf(c_0_64,plain,
    ( p2
    | ~ p4 ),
    inference(fof_simplification,[status(thm)],[ax650]) ).

thf(c_0_65,plain,
    ( p1
    | ~ p2 ),
    inference(split_conjunct,[status(thm)],[c_0_62]) ).

thf(c_0_66,plain,
    ~ p1,
    inference(split_conjunct,[status(thm)],[c_0_63]) ).

thf(c_0_67,plain,
    ( p4
    | ~ p9 ),
    inference(fof_simplification,[status(thm)],[ax645]) ).

thf(c_0_68,plain,
    ( p2
    | ~ p4 ),
    inference(split_conjunct,[status(thm)],[c_0_64]) ).

thf(c_0_69,plain,
    ~ p2,
    inference(sr,[status(thm)],[c_0_65,c_0_66]) ).

thf(c_0_70,plain,
    ( p4
    | ~ p9 ),
    inference(split_conjunct,[status(thm)],[c_0_67]) ).

thf(c_0_71,plain,
    ~ p4,
    inference(sr,[status(thm)],[c_0_68,c_0_69]) ).

thf(c_0_72,plain,
    ( ~ p12
    | p53 ),
    inference(fof_simplification,[status(thm)],[ax599]) ).

thf(c_0_73,plain,
    ( p9
    | p12 ),
    inference(split_conjunct,[status(thm)],[ax642]) ).

thf(c_0_74,plain,
    ~ p9,
    inference(sr,[status(thm)],[c_0_70,c_0_71]) ).

thf(c_0_75,plain,
    ( ( ( fzero = esk32_0 )
      | p32 )
    & ( ( esk32_0 != fzero )
      | p32 ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax32])])])])]) ).

thf(c_0_76,plain,
    ( ~ p53
    | p353 ),
    inference(fof_simplification,[status(thm)],[ax217]) ).

thf(c_0_77,plain,
    ( p53
    | ~ p12 ),
    inference(split_conjunct,[status(thm)],[c_0_72]) ).

thf(c_0_78,plain,
    p12,
    inference(sr,[status(thm)],[c_0_73,c_0_74]) ).

thf(c_0_79,plain,
    ( ~ p32
    | p48 ),
    inference(fof_simplification,[status(thm)],[ax605]) ).

thf(c_0_80,plain,
    ( ( fzero = esk32_0 )
    | p32 ),
    inference(split_conjunct,[status(thm)],[c_0_75]) ).

thf(c_0_81,plain,
    ( p32
    | ( esk32_0 != fzero ) ),
    inference(split_conjunct,[status(thm)],[c_0_75]) ).

thf(c_0_82,plain,
    ( ~ p10
    | ~ p17 ),
    inference(fof_simplification,[status(thm)],[ax637]) ).

thf(c_0_83,plain,
    ( p4
    | p10 ),
    inference(split_conjunct,[status(thm)],[ax644]) ).

thf(c_0_84,plain,
    ( ~ p85
    | p351 ),
    inference(fof_simplification,[status(thm)],[ax224]) ).

thf(c_0_85,plain,
    ( ~ p353
    | p352 ),
    inference(fof_simplification,[status(thm)],[ax218]) ).

thf(c_0_86,plain,
    ( p353
    | ~ p53 ),
    inference(split_conjunct,[status(thm)],[c_0_76]) ).

thf(c_0_87,plain,
    p53,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_77,c_0_78])]) ).

thf(c_0_88,plain,
    ( ~ p48
    | ~ p45
    | p17 ),
    inference(fof_simplification,[status(thm)],[ax604]) ).

thf(c_0_89,plain,
    ( p48
    | ~ p32 ),
    inference(split_conjunct,[status(thm)],[c_0_79]) ).

thf(c_0_90,plain,
    p32,
    inference(csr,[status(thm)],[c_0_80,c_0_81]) ).

thf(c_0_91,plain,
    ( ~ p10
    | ~ p17 ),
    inference(split_conjunct,[status(thm)],[c_0_82]) ).

thf(c_0_92,plain,
    p10,
    inference(sr,[status(thm)],[c_0_83,c_0_71]) ).

thf(c_0_93,plain,
    ( ~ p5
    | p18 ),
    inference(fof_simplification,[status(thm)],[ax636]) ).

thf(c_0_94,plain,
    ( p2
    | p5 ),
    inference(split_conjunct,[status(thm)],[ax649]) ).

thf(c_0_95,plain,
    ( ~ p351
    | p350 ),
    inference(fof_simplification,[status(thm)],[ax223]) ).

thf(c_0_96,plain,
    ( p351
    | ~ p85 ),
    inference(split_conjunct,[status(thm)],[c_0_84]) ).

thf(c_0_97,plain,
    p85,
    inference(split_conjunct,[status(thm)],[ax571]) ).

thf(c_0_98,plain,
    ( ~ p85
    | p244 ),
    inference(fof_simplification,[status(thm)],[ax359]) ).

thf(c_0_99,plain,
    ( ~ p12
    | p226 ),
    inference(fof_simplification,[status(thm)],[ax376]) ).

thf(c_0_100,plain,
    ( ~ p352
    | p45
    | p347 ),
    inference(fof_simplification,[status(thm)],[ax219]) ).

thf(c_0_101,plain,
    ( p352
    | ~ p353 ),
    inference(split_conjunct,[status(thm)],[c_0_85]) ).

thf(c_0_102,plain,
    p353,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_86,c_0_87])]) ).

thf(c_0_103,plain,
    ( p17
    | ~ p48
    | ~ p45 ),
    inference(split_conjunct,[status(thm)],[c_0_88]) ).

thf(c_0_104,plain,
    p48,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_89,c_0_90])]) ).

thf(c_0_105,plain,
    ~ p17,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_91,c_0_92])]) ).

thf(c_0_106,plain,
    ( ~ p350
    | ~ p18
    | p349 ),
    inference(fof_simplification,[status(thm)],[ax222]) ).

thf(c_0_107,plain,
    ( p18
    | ~ p5 ),
    inference(split_conjunct,[status(thm)],[c_0_93]) ).

thf(c_0_108,plain,
    p5,
    inference(sr,[status(thm)],[c_0_94,c_0_69]) ).

thf(c_0_109,plain,
    ( p350
    | ~ p351 ),
    inference(split_conjunct,[status(thm)],[c_0_95]) ).

thf(c_0_110,plain,
    p351,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_96,c_0_97])]) ).

thf(c_0_111,plain,
    ( ~ p5
    | p16 ),
    inference(fof_simplification,[status(thm)],[ax638]) ).

thf(c_0_112,plain,
    ( ~ p244
    | p243 ),
    inference(fof_simplification,[status(thm)],[ax358]) ).

thf(c_0_113,plain,
    ( p244
    | ~ p85 ),
    inference(split_conjunct,[status(thm)],[c_0_98]) ).

thf(c_0_114,plain,
    ( ~ p11
    | p253 ),
    inference(fof_simplification,[status(thm)],[ax345]) ).

thf(c_0_115,plain,
    ( p9
    | p11 ),
    inference(split_conjunct,[status(thm)],[ax643]) ).

thf(c_0_116,plain,
    ( ~ p226
    | p514 ),
    inference(fof_simplification,[status(thm)],[ax27]) ).

thf(c_0_117,plain,
    ( p226
    | ~ p12 ),
    inference(split_conjunct,[status(thm)],[c_0_99]) ).

thf(c_0_118,plain,
    ( ~ p85
    | p512 ),
    inference(fof_simplification,[status(thm)],[ax34]) ).

thf(c_0_119,plain,
    ( ~ p348
    | ~ p347
    | p346 ),
    inference(fof_simplification,[status(thm)],[ax220]) ).

thf(c_0_120,plain,
    ( p45
    | p347
    | ~ p352 ),
    inference(split_conjunct,[status(thm)],[c_0_100]) ).

thf(c_0_121,plain,
    p352,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_101,c_0_102])]) ).

thf(c_0_122,plain,
    ~ p45,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_103,c_0_104])]),c_0_105]) ).

thf(c_0_123,plain,
    ( ~ p349
    | p348 ),
    inference(fof_simplification,[status(thm)],[ax221]) ).

thf(c_0_124,plain,
    ( p349
    | ~ p350
    | ~ p18 ),
    inference(split_conjunct,[status(thm)],[c_0_106]) ).

thf(c_0_125,plain,
    p18,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_107,c_0_108])]) ).

thf(c_0_126,plain,
    p350,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_109,c_0_110])]) ).

thf(c_0_127,plain,
    ( ~ p243
    | ~ p16
    | p242 ),
    inference(fof_simplification,[status(thm)],[ax357]) ).

thf(c_0_128,plain,
    ( p16
    | ~ p5 ),
    inference(split_conjunct,[status(thm)],[c_0_111]) ).

thf(c_0_129,plain,
    ( p243
    | ~ p244 ),
    inference(split_conjunct,[status(thm)],[c_0_112]) ).

thf(c_0_130,plain,
    p244,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_113,c_0_97])]) ).

thf(c_0_131,plain,
    ( ~ p253
    | p252 ),
    inference(fof_simplification,[status(thm)],[ax346]) ).

thf(c_0_132,plain,
    ( p253
    | ~ p11 ),
    inference(split_conjunct,[status(thm)],[c_0_114]) ).

thf(c_0_133,plain,
    p11,
    inference(sr,[status(thm)],[c_0_115,c_0_74]) ).

thf(c_0_134,plain,
    ( ~ p514
    | p513 ),
    inference(fof_simplification,[status(thm)],[ax28]) ).

thf(c_0_135,plain,
    ( p514
    | ~ p226 ),
    inference(split_conjunct,[status(thm)],[c_0_116]) ).

thf(c_0_136,plain,
    p226,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_117,c_0_78])]) ).

thf(c_0_137,plain,
    ( ~ p10
    | ~ p15 ),
    inference(fof_simplification,[status(thm)],[ax639]) ).

thf(c_0_138,plain,
    ( ~ p5
    | p35 ),
    inference(fof_simplification,[status(thm)],[ax619]) ).

thf(c_0_139,plain,
    ( ~ p512
    | p511 ),
    inference(fof_simplification,[status(thm)],[ax33]) ).

thf(c_0_140,plain,
    ( p512
    | ~ p85 ),
    inference(split_conjunct,[status(thm)],[c_0_118]) ).

thf(c_0_141,plain,
    ( p346
    | ~ p348
    | ~ p347 ),
    inference(split_conjunct,[status(thm)],[c_0_119]) ).

thf(c_0_142,plain,
    p347,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_120,c_0_121])]),c_0_122]) ).

thf(c_0_143,plain,
    ( p348
    | ~ p349 ),
    inference(split_conjunct,[status(thm)],[c_0_123]) ).

thf(c_0_144,plain,
    p349,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_124,c_0_125]),c_0_126])]) ).

thf(c_0_145,plain,
    ( ~ p8
    | ( fzero
     != ( fs @ fzero ) )
    | ( fzero != fzero )
    | ( fzero
     != ( fs @ fzero ) ) ),
    inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[pax8])]) ).

thf(c_0_146,plain,
    ( ~ p3
    | p8 ),
    inference(fof_simplification,[status(thm)],[ax646]) ).

thf(c_0_147,plain,
    ( p1
    | p3 ),
    inference(split_conjunct,[status(thm)],[ax651]) ).

thf(c_0_148,plain,
    ( ~ p242
    | p250 ),
    inference(fof_simplification,[status(thm)],[ax350]) ).

thf(c_0_149,plain,
    ( p242
    | ~ p243
    | ~ p16 ),
    inference(split_conjunct,[status(thm)],[c_0_127]) ).

thf(c_0_150,plain,
    p16,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_128,c_0_108])]) ).

thf(c_0_151,plain,
    p243,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_129,c_0_130])]) ).

thf(c_0_152,plain,
    ( ~ p252
    | p251 ),
    inference(fof_simplification,[status(thm)],[ax347]) ).

thf(c_0_153,plain,
    ( p252
    | ~ p253 ),
    inference(split_conjunct,[status(thm)],[c_0_131]) ).

thf(c_0_154,plain,
    p253,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_132,c_0_133])]) ).

thf(c_0_155,plain,
    ( ~ p513
    | p15
    | p508 ),
    inference(fof_simplification,[status(thm)],[ax29]) ).

thf(c_0_156,plain,
    ( p513
    | ~ p514 ),
    inference(split_conjunct,[status(thm)],[c_0_134]) ).

thf(c_0_157,plain,
    p514,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_135,c_0_136])]) ).

thf(c_0_158,plain,
    ( ~ p10
    | ~ p15 ),
    inference(split_conjunct,[status(thm)],[c_0_137]) ).

thf(c_0_159,plain,
    ( ~ p511
    | ~ p35
    | p510 ),
    inference(fof_simplification,[status(thm)],[ax32]) ).

thf(c_0_160,plain,
    ( p35
    | ~ p5 ),
    inference(split_conjunct,[status(thm)],[c_0_138]) ).

thf(c_0_161,plain,
    ( p511
    | ~ p512 ),
    inference(split_conjunct,[status(thm)],[c_0_139]) ).

thf(c_0_162,plain,
    p512,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_140,c_0_97])]) ).

thf(c_0_163,plain,
    ( ~ p346
    | ( ( fh @ fzero )
      = ( fs @ fzero ) ) ),
    inference(fof_nnf,[status(thm)],[pax346]) ).

thf(c_0_164,plain,
    ( p346
    | ~ p348 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_141,c_0_142])]) ).

thf(c_0_165,plain,
    p348,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_143,c_0_144])]) ).

thf(c_0_166,plain,
    ( ~ p8
    | ( fzero
     != ( fs @ fzero ) )
    | ( fzero != fzero )
    | ( fzero
     != ( fs @ fzero ) ) ),
    inference(split_conjunct,[status(thm)],[c_0_145]) ).

thf(c_0_167,plain,
    ( p8
    | ~ p3 ),
    inference(split_conjunct,[status(thm)],[c_0_146]) ).

thf(c_0_168,plain,
    p3,
    inference(sr,[status(thm)],[c_0_147,c_0_66]) ).

thf(c_0_169,plain,
    ( ~ p250
    | ~ p249
    | p248 ),
    inference(fof_simplification,[status(thm)],[ax349]) ).

thf(c_0_170,plain,
    ( p250
    | ~ p242 ),
    inference(split_conjunct,[status(thm)],[c_0_148]) ).

thf(c_0_171,plain,
    p242,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_149,c_0_150]),c_0_151])]) ).

thf(c_0_172,plain,
    ( ~ p251
    | ~ p25
    | p249 ),
    inference(fof_simplification,[status(thm)],[ax348]) ).

thf(c_0_173,plain,
    ( p251
    | ~ p252 ),
    inference(split_conjunct,[status(thm)],[c_0_152]) ).

thf(c_0_174,plain,
    p252,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_153,c_0_154])]) ).

thf(c_0_175,plain,
    ( ~ p29
    | p235 ),
    inference(fof_simplification,[status(thm)],[ax365]) ).

thf(c_0_176,plain,
    ( ~ p509
    | ~ p508
    | p507 ),
    inference(fof_simplification,[status(thm)],[ax30]) ).

thf(c_0_177,plain,
    ( p15
    | p508
    | ~ p513 ),
    inference(split_conjunct,[status(thm)],[c_0_155]) ).

thf(c_0_178,plain,
    p513,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_156,c_0_157])]) ).

thf(c_0_179,plain,
    ~ p15,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_158,c_0_92])]) ).

thf(c_0_180,plain,
    ( ~ p510
    | p509 ),
    inference(fof_simplification,[status(thm)],[ax31]) ).

thf(c_0_181,plain,
    ( p510
    | ~ p511
    | ~ p35 ),
    inference(split_conjunct,[status(thm)],[c_0_159]) ).

thf(c_0_182,plain,
    p35,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_160,c_0_108])]) ).

thf(c_0_183,plain,
    p511,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_161,c_0_162])]) ).

thf(c_0_184,plain,
    ( ~ p85
    | p524 ),
    inference(fof_simplification,[status(thm)],[ax21]) ).

thf(c_0_185,plain,
    ! [X20: $i] :
      ( ~ p401
      | ( ( fh @ fzero )
       != X20 )
      | ( X20 = fzero ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax401])])]) ).

thf(c_0_186,plain,
    ( ( ( fh @ fzero )
      = ( fs @ fzero ) )
    | ~ p346 ),
    inference(split_conjunct,[status(thm)],[c_0_163]) ).

thf(c_0_187,plain,
    p346,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_164,c_0_165])]) ).

thf(c_0_188,plain,
    ( ( fzero
     != ( fs @ fzero ) )
    | ~ p8 ),
    inference(cn,[status(thm)],[c_0_166]) ).

thf(c_0_189,plain,
    p8,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_167,c_0_168])]) ).

thf(c_0_190,plain,
    ( p248
    | ~ p250
    | ~ p249 ),
    inference(split_conjunct,[status(thm)],[c_0_169]) ).

thf(c_0_191,plain,
    p250,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_170,c_0_171])]) ).

thf(c_0_192,plain,
    ( p249
    | ~ p251
    | ~ p25 ),
    inference(split_conjunct,[status(thm)],[c_0_172]) ).

thf(c_0_193,plain,
    p25,
    inference(split_conjunct,[status(thm)],[ax629]) ).

thf(c_0_194,plain,
    p251,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_173,c_0_174])]) ).

thf(c_0_195,plain,
    ( ~ p235
    | p287 ),
    inference(fof_simplification,[status(thm)],[ax306]) ).

thf(c_0_196,plain,
    ( p235
    | ~ p29 ),
    inference(split_conjunct,[status(thm)],[c_0_175]) ).

thf(c_0_197,plain,
    p29,
    inference(split_conjunct,[status(thm)],[ax627]) ).

thf(c_0_198,plain,
    ( p507
    | ~ p509
    | ~ p508 ),
    inference(split_conjunct,[status(thm)],[c_0_176]) ).

thf(c_0_199,plain,
    p508,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_177,c_0_178])]),c_0_179]) ).

thf(c_0_200,plain,
    ( p509
    | ~ p510 ),
    inference(split_conjunct,[status(thm)],[c_0_180]) ).

thf(c_0_201,plain,
    p510,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_181,c_0_182]),c_0_183])]) ).

thf(c_0_202,plain,
    ( ~ p524
    | p539 ),
    inference(fof_simplification,[status(thm)],[ax3]) ).

thf(c_0_203,plain,
    ( p524
    | ~ p85 ),
    inference(split_conjunct,[status(thm)],[c_0_184]) ).

thf(c_0_204,plain,
    ( ( ( ( fh @ fzero )
        = esk9_0 )
      | p401 )
    & ( ( esk9_0 != fzero )
      | p401 ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax401])])])])]) ).

thf(c_0_205,plain,
    ! [X1: $i] :
      ( ( X1 = fzero )
      | ~ p401
      | ( ( fh @ fzero )
       != X1 ) ),
    inference(split_conjunct,[status(thm)],[c_0_185]) ).

thf(c_0_206,plain,
    ( ( fh @ fzero )
    = ( fs @ fzero ) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_186,c_0_187])]) ).

thf(c_0_207,plain,
    ( fs @ fzero )
 != fzero,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_188,c_0_189])]) ).

thf(c_0_208,plain,
    ( ~ p287
    | ~ p248
    | p286 ),
    inference(fof_simplification,[status(thm)],[ax305]) ).

thf(c_0_209,plain,
    ( p248
    | ~ p249 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_190,c_0_191])]) ).

thf(c_0_210,plain,
    p249,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_192,c_0_193]),c_0_194])]) ).

thf(c_0_211,plain,
    ( p287
    | ~ p235 ),
    inference(split_conjunct,[status(thm)],[c_0_195]) ).

thf(c_0_212,plain,
    p235,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_196,c_0_197])]) ).

thf(c_0_213,plain,
    ( ~ p539
    | ~ p507
    | p538 ),
    inference(fof_simplification,[status(thm)],[ax2]) ).

thf(c_0_214,plain,
    ( p507
    | ~ p509 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_198,c_0_199])]) ).

thf(c_0_215,plain,
    p509,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_200,c_0_201])]) ).

thf(c_0_216,plain,
    ( p539
    | ~ p524 ),
    inference(split_conjunct,[status(thm)],[c_0_202]) ).

thf(c_0_217,plain,
    p524,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_203,c_0_97])]) ).

thf(c_0_218,plain,
    ( ~ p286
    | ( fzero
      = ( fh @ ( fs @ fzero ) ) ) ),
    inference(fof_nnf,[status(thm)],[pax286]) ).

thf(c_0_219,plain,
    ( ( ( fh @ fzero )
      = esk9_0 )
    | p401 ),
    inference(split_conjunct,[status(thm)],[c_0_204]) ).

thf(c_0_220,plain,
    ~ p401,
    inference(sr,[status(thm)],[inference(er,[status(thm)],[inference(rw,[status(thm)],[c_0_205,c_0_206])]),c_0_207]) ).

thf(c_0_221,plain,
    ( p286
    | ~ p287
    | ~ p248 ),
    inference(split_conjunct,[status(thm)],[c_0_208]) ).

thf(c_0_222,plain,
    p248,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_209,c_0_210])]) ).

thf(c_0_223,plain,
    p287,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_211,c_0_212])]) ).

thf(c_0_224,plain,
    ! [X6: $i] :
      ( ~ p538
      | ( ( fh @ ( fs @ ( fs @ fzero ) ) )
       != X6 )
      | ( X6
        = ( fs @ fzero ) ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax538])])]) ).

thf(c_0_225,plain,
    ( p538
    | ~ p539
    | ~ p507 ),
    inference(split_conjunct,[status(thm)],[c_0_213]) ).

thf(c_0_226,plain,
    p507,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_214,c_0_215])]) ).

thf(c_0_227,plain,
    p539,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_216,c_0_217])]) ).

thf(c_0_228,plain,
    ( ~ p3
    | p292 ),
    inference(fof_simplification,[status(thm)],[ax298]) ).

thf(c_0_229,plain,
    ( ~ p292
    | ( ( fh @ fzero )
     != ( fs @ fzero ) )
    | ( ( fh @ ( fs @ fzero ) )
     != fzero )
    | ( ( fh @ ( fs @ ( fs @ fzero ) ) )
     != ( fs @ fzero ) ) ),
    inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[pax292])]) ).

thf(c_0_230,plain,
    ( ( fzero
      = ( fh @ ( fs @ fzero ) ) )
    | ~ p286 ),
    inference(split_conjunct,[status(thm)],[c_0_218]) ).

thf(c_0_231,plain,
    ( ( fs @ fzero )
    = esk9_0 ),
    inference(rw,[status(thm)],[inference(sr,[status(thm)],[c_0_219,c_0_220]),c_0_206]) ).

thf(c_0_232,plain,
    p286,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_221,c_0_222]),c_0_223])]) ).

thf(c_0_233,plain,
    ! [X1: $i] :
      ( ( X1
        = ( fs @ fzero ) )
      | ~ p538
      | ( ( fh @ ( fs @ ( fs @ fzero ) ) )
       != X1 ) ),
    inference(split_conjunct,[status(thm)],[c_0_224]) ).

thf(c_0_234,plain,
    p538,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_225,c_0_226]),c_0_227])]) ).

thf(c_0_235,plain,
    ( p292
    | ~ p3 ),
    inference(split_conjunct,[status(thm)],[c_0_228]) ).

thf(c_0_236,plain,
    ( ~ p292
    | ( ( fh @ fzero )
     != ( fs @ fzero ) )
    | ( ( fh @ ( fs @ fzero ) )
     != fzero )
    | ( ( fh @ ( fs @ ( fs @ fzero ) ) )
     != ( fs @ fzero ) ) ),
    inference(split_conjunct,[status(thm)],[c_0_229]) ).

thf(c_0_237,plain,
    ( ( fh @ esk9_0 )
    = fzero ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_230,c_0_231]),c_0_232])]) ).

thf(c_0_238,plain,
    ( ( fh @ ( fs @ esk9_0 ) )
    = esk9_0 ),
    inference(er,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_233,c_0_231]),c_0_231]),c_0_234])])]) ).

thf(c_0_239,plain,
    p292,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_235,c_0_168])]) ).

thf(c_0_240,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_236,c_0_206]),c_0_231]),c_0_231]),c_0_231]),c_0_237]),c_0_231]),c_0_238]),c_0_231]),c_0_239])]),
    [proof] ).

thf(1,plain,
    $false,
    inference(eprover,[status(thm),assumptions([h0])],]) ).

thf(0,theorem,
    ( ~ ( ~ ( ~ ( ! [X1: $o,X2: $i,X3: $i] :
                    ( X1
                   => ( ( ite @ X1 @ X2 @ X3 )
                      = X2 ) )
               => ~ ! [X1: $o,X2: $i,X3: $i] :
                      ( ~ X1
                     => ( ( ite @ X1 @ X2 @ X3 )
                        = X3 ) ) )
           => ~ ! [X1: $i] :
                  ( ( s @ X1 )
                 != X1 ) )
       => ~ ! [X1: $i] :
              ( ( h @ X1 )
              = ( ite
                @ ( X1
                  = ( s @ zero ) )
                @ zero
                @ ( s @ zero ) ) ) )
   => ~ ! [X1: $i > $i] :
          ( ~ ( ( ( X1 @ zero )
                = ( s @ zero ) )
             => ( ( X1 @ ( s @ zero ) )
               != zero ) )
         => ( ( X1 @ ( s @ ( s @ zero ) ) )
           != ( s @ zero ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h0])],[1,h0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : NUN025^2 : TPTP v8.1.0. Released v6.4.0.
% 0.11/0.13  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.14/0.34  % Computer : n017.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Thu Jun  2 07:35:42 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 47.56/47.84  % SZS status Theorem
% 47.56/47.84  % Mode: mode371
% 47.56/47.84  % Inferences: 18679
% 47.56/47.84  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------