TSTP Solution File: ALG272^5 by Satallax---3.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : ALG272^5 : TPTP v8.1.0. Bugfixed v5.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n020.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 : Thu Jul 14 17:57:53 EDT 2022

% Result   : Theorem 152.58s 152.00s
% Output   : Proof 152.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   37
% Syntax   : Number of formulae    :  132 (  34 unt;   0 typ;   7 def)
%            Number of atoms       :  581 ( 116 equ;   0 cnn)
%            Maximal formula atoms :   10 (   4 avg)
%            Number of connectives :  753 ( 200   ~; 131   |;   8   &; 369   @)
%                                         (   0 <=>;  41  =>;   4  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    0 (   0 usr)
%            Number of type conns  :   20 (  20   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   35 (  33 usr;  34 con; 0-2 aty)
%            Number of variables   :  141 (  13   ^ 128   !;   0   ?; 141   :)

% Comments : 
%------------------------------------------------------------------------------
thf(def_cGRP_ASSOC,definition,
    ( cGRP_ASSOC
    = ( ^ [X1: g > g > g] :
        ! [X2: g,X3: g,X4: g] :
          ( ( X1 @ ( X1 @ X2 @ X3 ) @ X4 )
          = ( X1 @ X2 @ ( X1 @ X3 @ X4 ) ) ) ) ) ).

thf(def_cGRP_INVERSE,definition,
    ( cGRP_INVERSE
    = ( ^ [X1: g > g > g,X2: g] :
        ! [X3: g] :
          ~ ! [X4: g] :
              ( ( ( X1 @ X3 @ X4 )
                = X2 )
             => ( ( X1 @ X4 @ X3 )
               != X2 ) ) ) ) ).

thf(def_cGRP_LEFT_INVERSE,definition,
    ( cGRP_LEFT_INVERSE
    = ( ^ [X1: g > g > g,X2: g] :
        ! [X3: g] :
          ~ ! [X4: g] :
              ( ( X1 @ X4 @ X3 )
             != X2 ) ) ) ).

thf(def_cGRP_LEFT_UNIT,definition,
    ( cGRP_LEFT_UNIT
    = ( ^ [X1: g > g > g,X2: g] :
        ! [X3: g] :
          ( ( X1 @ X2 @ X3 )
          = X3 ) ) ) ).

thf(def_cGRP_UNIT,definition,
    ( cGRP_UNIT
    = ( ^ [X1: g > g > g,X2: g] :
        ! [X3: g] :
          ~ ( ( ( X1 @ X2 @ X3 )
              = X3 )
           => ( ( X1 @ X3 @ X2 )
             != X3 ) ) ) ) ).

thf(def_cGROUP1,definition,
    ( cGROUP1
    = ( ^ [X1: g > g > g,X2: g] :
          ~ ( ~ ( ( cGRP_ASSOC @ X1 )
               => ~ ( cGRP_UNIT @ X1 @ X2 ) )
           => ~ ( cGRP_INVERSE @ X1 @ X2 ) ) ) ) ).

thf(def_cGROUP2,definition,
    ( cGROUP2
    = ( ^ [X1: g > g > g,X2: g] :
          ~ ( ~ ( ( cGRP_ASSOC @ X1 )
               => ~ ( cGRP_LEFT_UNIT @ X1 @ X2 ) )
           => ~ ( cGRP_LEFT_INVERSE @ X1 @ X2 ) ) ) ) ).

thf(cEQUIV_01_02,conjecture,
    ! [X1: g > g > g,X2: g] :
      ( ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                    ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                    = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
               => ~ ! [X3: g] :
                      ~ ( ( ( X1 @ X2 @ X3 )
                          = X3 )
                       => ( ( X1 @ X3 @ X2 )
                         != X3 ) ) )
           => ~ ! [X3: g] :
                  ~ ! [X4: g] :
                      ( ( ( X1 @ X3 @ X4 )
                        = X2 )
                     => ( ( X1 @ X4 @ X3 )
                       != X2 ) ) ) )
      = ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                    ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                    = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
               => ~ ! [X3: g] :
                      ( ( X1 @ X2 @ X3 )
                      = X3 ) )
           => ~ ! [X3: g] :
                  ~ ! [X4: g] :
                      ( ( X1 @ X4 @ X3 )
                     != X2 ) ) ) ) ).

thf(h0,negated_conjecture,
    ~ ! [X1: g > g > g,X2: g] :
        ( ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                      ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                      = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
                 => ~ ! [X3: g] :
                        ~ ( ( ( X1 @ X2 @ X3 )
                            = X3 )
                         => ( ( X1 @ X3 @ X2 )
                           != X3 ) ) )
             => ~ ! [X3: g] :
                    ~ ! [X4: g] :
                        ( ( ( X1 @ X3 @ X4 )
                          = X2 )
                       => ( ( X1 @ X4 @ X3 )
                         != X2 ) ) ) )
        = ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                      ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                      = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
                 => ~ ! [X3: g] :
                        ( ( X1 @ X2 @ X3 )
                        = X3 ) )
             => ~ ! [X3: g] :
                    ~ ! [X4: g] :
                        ( ( X1 @ X4 @ X3 )
                       != X2 ) ) ) ),
    inference(assume_negation,[status(cth)],[cEQUIV_01_02]) ).

thf(ax1820,axiom,
    ( p1
    | ~ p2 ),
    file('<stdin>',ax1820) ).

thf(ax1821,axiom,
    ~ p1,
    file('<stdin>',ax1821) ).

thf(ax1819,axiom,
    ( p2
    | ~ p3 ),
    file('<stdin>',ax1819) ).

thf(ax1811,axiom,
    ( p3
    | ~ p10
    | ~ p11 ),
    file('<stdin>',ax1811) ).

thf(ax1806,axiom,
    ( p11
    | ~ p17 ),
    file('<stdin>',ax1806) ).

thf(ax1803,axiom,
    ( p17
    | p19 ),
    file('<stdin>',ax1803) ).

thf(ax1800,axiom,
    ( p10
    | ~ p12 ),
    file('<stdin>',ax1800) ).

thf(ax1797,axiom,
    ( p12
    | p15 ),
    file('<stdin>',ax1797) ).

thf(ax1779,axiom,
    ( ~ p15
    | ~ p37 ),
    file('<stdin>',ax1779) ).

thf(ax1795,axiom,
    ( ~ p17
    | ~ p14
    | ~ p19 ),
    file('<stdin>',ax1795) ).

thf(ax1796,axiom,
    ( ~ p11
    | p17
    | ~ p18 ),
    file('<stdin>',ax1796) ).

thf(ax1804,axiom,
    ( p17
    | p14 ),
    file('<stdin>',ax1804) ).

thf(ax1798,axiom,
    ( p12
    | p14 ),
    file('<stdin>',ax1798) ).

thf(ax1776,axiom,
    ( ~ p19
    | p23 ),
    file('<stdin>',ax1776) ).

thf(ax1712,axiom,
    ( p37
    | p23 ),
    file('<stdin>',ax1712) ).

thf(ax1810,axiom,
    ( p3
    | p10
    | p11 ),
    file('<stdin>',ax1810) ).

thf(ax1794,axiom,
    ( p19
    | ~ p23 ),
    file('<stdin>',ax1794) ).

thf(nax18,axiom,
    ( p18
   <= ! [X1: g] :
        ~ ! [X2: g] :
            ( ( f__0 @ X2 @ X1 )
           != f__1 ) ),
    file('<stdin>',nax18) ).

thf(nax10,axiom,
    ( p10
   <= ( ~ ( ! [X1: g,X2: g,X3: g] :
              ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
              = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
         => ~ ! [X1: g] :
                ~ ( ( ( f__0 @ f__1 @ X1 )
                    = X1 )
                 => ( ( f__0 @ X1 @ f__1 )
                   != X1 ) ) )
     => ~ ! [X1: g] :
            ~ ! [X2: g] :
                ( ( ( f__0 @ X1 @ X2 )
                  = f__1 )
               => ( ( f__0 @ X2 @ X1 )
                 != f__1 ) ) ) ),
    file('<stdin>',nax10) ).

thf(ax1805,axiom,
    ( p11
    | p18 ),
    file('<stdin>',ax1805) ).

thf(pax14,axiom,
    ( p14
   => ! [X1: g,X2: g,X3: g] :
        ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
        = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) ) ),
    file('<stdin>',pax14) ).

thf(pax19,axiom,
    ( p19
   => ! [X1: g] :
        ( ( f__0 @ f__1 @ X1 )
        = X1 ) ),
    file('<stdin>',pax19) ).

thf(nax11,axiom,
    ( p11
   <= ( ~ ( ! [X1: g,X2: g,X3: g] :
              ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
              = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
         => ~ ! [X1: g] :
                ( ( f__0 @ f__1 @ X1 )
                = X1 ) )
     => ~ ! [X1: g] :
            ~ ! [X2: g] :
                ( ( f__0 @ X2 @ X1 )
               != f__1 ) ) ),
    file('<stdin>',nax11) ).

thf(pax10,axiom,
    ( p10
   => ( ~ ( ! [X1: g,X2: g,X3: g] :
              ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
              = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
         => ~ ! [X1: g] :
                ~ ( ( ( f__0 @ f__1 @ X1 )
                    = X1 )
                 => ( ( f__0 @ X1 @ f__1 )
                   != X1 ) ) )
     => ~ ! [X1: g] :
            ~ ! [X2: g] :
                ( ( ( f__0 @ X1 @ X2 )
                  = f__1 )
               => ( ( f__0 @ X2 @ X1 )
                 != f__1 ) ) ) ),
    file('<stdin>',pax10) ).

thf(nax12,axiom,
    ( p12
   <= ( ! [X1: g,X2: g,X3: g] :
          ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
          = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
     => ~ ! [X1: g] :
            ~ ( ( ( f__0 @ f__1 @ X1 )
                = X1 )
             => ( ( f__0 @ X1 @ f__1 )
               != X1 ) ) ) ),
    file('<stdin>',nax12) ).

thf(ax1808,axiom,
    ( ~ p12
    | ~ p14
    | ~ p15 ),
    file('<stdin>',ax1808) ).

thf(pax20,axiom,
    ( p20
   => ( ( ( f__0 @ f__1 @ f__3 )
        = f__3 )
     => ( ( f__0 @ f__3 @ f__1 )
       != f__3 ) ) ),
    file('<stdin>',pax20) ).

thf(ax1802,axiom,
    ( p15
    | p20 ),
    file('<stdin>',ax1802) ).

thf(c_0_28,plain,
    ( p1
    | ~ p2 ),
    inference(fof_simplification,[status(thm)],[ax1820]) ).

thf(c_0_29,plain,
    ~ p1,
    inference(fof_simplification,[status(thm)],[ax1821]) ).

thf(c_0_30,plain,
    ( p2
    | ~ p3 ),
    inference(fof_simplification,[status(thm)],[ax1819]) ).

thf(c_0_31,plain,
    ( p1
    | ~ p2 ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

thf(c_0_32,plain,
    ~ p1,
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

thf(c_0_33,plain,
    ( p3
    | ~ p10
    | ~ p11 ),
    inference(fof_simplification,[status(thm)],[ax1811]) ).

thf(c_0_34,plain,
    ( p2
    | ~ p3 ),
    inference(split_conjunct,[status(thm)],[c_0_30]) ).

thf(c_0_35,plain,
    ~ p2,
    inference(sr,[status(thm)],[c_0_31,c_0_32]) ).

thf(c_0_36,plain,
    ( p11
    | ~ p17 ),
    inference(fof_simplification,[status(thm)],[ax1806]) ).

thf(c_0_37,plain,
    ( p3
    | ~ p10
    | ~ p11 ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

thf(c_0_38,plain,
    ~ p3,
    inference(sr,[status(thm)],[c_0_34,c_0_35]) ).

thf(c_0_39,plain,
    ( p11
    | ~ p17 ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

thf(c_0_40,plain,
    ( p17
    | p19 ),
    inference(split_conjunct,[status(thm)],[ax1803]) ).

thf(c_0_41,plain,
    ( p10
    | ~ p12 ),
    inference(fof_simplification,[status(thm)],[ax1800]) ).

thf(c_0_42,plain,
    ( ~ p10
    | ~ p11 ),
    inference(sr,[status(thm)],[c_0_37,c_0_38]) ).

thf(c_0_43,plain,
    ( p19
    | p11 ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

thf(c_0_44,plain,
    ( p10
    | ~ p12 ),
    inference(split_conjunct,[status(thm)],[c_0_41]) ).

thf(c_0_45,plain,
    ( p12
    | p15 ),
    inference(split_conjunct,[status(thm)],[ax1797]) ).

thf(c_0_46,plain,
    ( ~ p15
    | ~ p37 ),
    inference(fof_simplification,[status(thm)],[ax1779]) ).

thf(c_0_47,plain,
    ( ~ p17
    | ~ p14
    | ~ p19 ),
    inference(fof_simplification,[status(thm)],[ax1795]) ).

thf(c_0_48,plain,
    ( ~ p11
    | p17
    | ~ p18 ),
    inference(fof_simplification,[status(thm)],[ax1796]) ).

thf(c_0_49,plain,
    ( p17
    | p14 ),
    inference(split_conjunct,[status(thm)],[ax1804]) ).

thf(c_0_50,plain,
    ( p12
    | p14 ),
    inference(split_conjunct,[status(thm)],[ax1798]) ).

thf(c_0_51,plain,
    ( ~ p19
    | p23 ),
    inference(fof_simplification,[status(thm)],[ax1776]) ).

thf(c_0_52,plain,
    ( p19
    | ~ p10 ),
    inference(spm,[status(thm)],[c_0_42,c_0_43]) ).

thf(c_0_53,plain,
    ( p15
    | p10 ),
    inference(spm,[status(thm)],[c_0_44,c_0_45]) ).

thf(c_0_54,plain,
    ( ~ p15
    | ~ p37 ),
    inference(split_conjunct,[status(thm)],[c_0_46]) ).

thf(c_0_55,plain,
    ( p37
    | p23 ),
    inference(split_conjunct,[status(thm)],[ax1712]) ).

thf(c_0_56,plain,
    ( ~ p17
    | ~ p14
    | ~ p19 ),
    inference(split_conjunct,[status(thm)],[c_0_47]) ).

thf(c_0_57,plain,
    ( p17
    | ~ p11
    | ~ p18 ),
    inference(split_conjunct,[status(thm)],[c_0_48]) ).

thf(c_0_58,plain,
    ( p3
    | p10
    | p11 ),
    inference(split_conjunct,[status(thm)],[ax1810]) ).

thf(c_0_59,plain,
    ( p14
    | p11 ),
    inference(spm,[status(thm)],[c_0_39,c_0_49]) ).

thf(c_0_60,plain,
    ( p14
    | p10 ),
    inference(spm,[status(thm)],[c_0_44,c_0_50]) ).

thf(c_0_61,plain,
    ( p19
    | ~ p23 ),
    inference(fof_simplification,[status(thm)],[ax1794]) ).

thf(c_0_62,plain,
    ( p23
    | ~ p19 ),
    inference(split_conjunct,[status(thm)],[c_0_51]) ).

thf(c_0_63,plain,
    ( p15
    | p19 ),
    inference(spm,[status(thm)],[c_0_52,c_0_53]) ).

thf(c_0_64,plain,
    ( p23
    | ~ p15 ),
    inference(spm,[status(thm)],[c_0_54,c_0_55]) ).

thf(c_0_65,plain,
    ( ~ p14
    | ~ p19
    | ~ p11
    | ~ p18 ),
    inference(spm,[status(thm)],[c_0_56,c_0_57]) ).

thf(c_0_66,plain,
    ( p11
    | p10 ),
    inference(sr,[status(thm)],[c_0_58,c_0_38]) ).

thf(c_0_67,plain,
    p14,
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_59]),c_0_60]) ).

thf(c_0_68,plain,
    ( p19
    | ~ p23 ),
    inference(split_conjunct,[status(thm)],[c_0_61]) ).

thf(c_0_69,plain,
    p23,
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_62,c_0_63]),c_0_64]) ).

thf(c_0_70,plain,
    ! [X433: g] :
      ( ( ( f__0 @ X433 @ esk215_0 )
       != f__1 )
      | p18 ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax18])])])])]) ).

thf(c_0_71,plain,
    ! [X484: g,X485: g,X486: g,X487: g,X488: g] :
      ( ( ( ( f__0 @ ( f__0 @ X484 @ X485 ) @ X486 )
          = ( f__0 @ X484 @ ( f__0 @ X485 @ X486 ) ) )
        | p10 )
      & ( ( ( f__0 @ f__1 @ X487 )
          = X487 )
        | p10 )
      & ( ( ( f__0 @ X487 @ f__1 )
          = X487 )
        | p10 )
      & ( ( ( f__0 @ X488 @ ( esk243_1 @ X488 ) )
          = f__1 )
        | p10 )
      & ( ( ( f__0 @ ( esk243_1 @ X488 ) @ X488 )
          = f__1 )
        | p10 ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax10])])])])])]) ).

thf(c_0_72,plain,
    ( p11
    | p18 ),
    inference(split_conjunct,[status(thm)],[ax1805]) ).

thf(c_0_73,plain,
    ( p10
    | ~ p14
    | ~ p19
    | ~ p18 ),
    inference(spm,[status(thm)],[c_0_65,c_0_66]) ).

thf(c_0_74,plain,
    ( ~ p19
    | ~ p11
    | ~ p18 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_65,c_0_67])]) ).

thf(c_0_75,plain,
    p19,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_68,c_0_69])]) ).

thf(c_0_76,plain,
    ! [X1: g] :
      ( p18
      | ( ( f__0 @ X1 @ esk215_0 )
       != f__1 ) ),
    inference(split_conjunct,[status(thm)],[c_0_70]) ).

thf(c_0_77,plain,
    ! [X1: g] :
      ( ( ( f__0 @ ( esk243_1 @ X1 ) @ X1 )
        = f__1 )
      | p10 ),
    inference(split_conjunct,[status(thm)],[c_0_71]) ).

thf(c_0_78,plain,
    ( p18
    | ~ p10 ),
    inference(spm,[status(thm)],[c_0_42,c_0_72]) ).

thf(c_0_79,plain,
    ! [X448: g,X449: g,X450: g] :
      ( ~ p14
      | ( ( f__0 @ ( f__0 @ X448 @ X449 ) @ X450 )
        = ( f__0 @ X448 @ ( f__0 @ X449 @ X450 ) ) ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax14])])]) ).

thf(c_0_80,plain,
    ! [X428: g] :
      ( ~ p19
      | ( ( f__0 @ f__1 @ X428 )
        = X428 ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax19])])]) ).

thf(c_0_81,plain,
    ( p10
    | ~ p19
    | ~ p18 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_73,c_0_67])]) ).

thf(c_0_82,plain,
    ! [X472: g,X473: g,X474: g,X475: g,X476: g] :
      ( ( ( ( f__0 @ ( f__0 @ X472 @ X473 ) @ X474 )
          = ( f__0 @ X472 @ ( f__0 @ X473 @ X474 ) ) )
        | p11 )
      & ( ( ( f__0 @ f__1 @ X475 )
          = X475 )
        | p11 )
      & ( ( ( f__0 @ ( esk237_1 @ X476 ) @ X476 )
          = f__1 )
        | p11 ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax11])])])])])]) ).

thf(c_0_83,plain,
    ( ~ p11
    | ~ p18 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_74,c_0_75])]) ).

thf(c_0_84,plain,
    p18,
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_76,c_0_77]),c_0_78]) ).

thf(c_0_85,plain,
    ! [X483: g] :
      ( ~ p10
      | ( ( f__0 @ ( f__0 @ esk238_0 @ esk239_0 ) @ esk240_0 )
       != ( f__0 @ esk238_0 @ ( f__0 @ esk239_0 @ esk240_0 ) ) )
      | ( ( f__0 @ f__1 @ esk241_0 )
       != esk241_0 )
      | ( ( f__0 @ esk241_0 @ f__1 )
       != esk241_0 )
      | ( ( f__0 @ esk242_0 @ X483 )
       != f__1 )
      | ( ( f__0 @ X483 @ esk242_0 )
       != f__1 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[pax10])])])])]) ).

thf(c_0_86,plain,
    ! [X1: g,X2: g,X3: g] :
      ( ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
        = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
      | ~ p14 ),
    inference(split_conjunct,[status(thm)],[c_0_79]) ).

thf(c_0_87,plain,
    ! [X1: g] :
      ( ( ( f__0 @ f__1 @ X1 )
        = X1 )
      | ~ p19 ),
    inference(split_conjunct,[status(thm)],[c_0_80]) ).

thf(c_0_88,plain,
    ( p10
    | ~ p18 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_81,c_0_75])]) ).

thf(c_0_89,plain,
    ! [X1: g] :
      ( ( ( f__0 @ ( esk237_1 @ X1 ) @ X1 )
        = f__1 )
      | p11 ),
    inference(split_conjunct,[status(thm)],[c_0_82]) ).

thf(c_0_90,plain,
    ~ p11,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_83,c_0_84])]) ).

thf(c_0_91,plain,
    ! [X1: g] :
      ( ~ p10
      | ( ( f__0 @ ( f__0 @ esk238_0 @ esk239_0 ) @ esk240_0 )
       != ( f__0 @ esk238_0 @ ( f__0 @ esk239_0 @ esk240_0 ) ) )
      | ( ( f__0 @ f__1 @ esk241_0 )
       != esk241_0 )
      | ( ( f__0 @ esk241_0 @ f__1 )
       != esk241_0 )
      | ( ( f__0 @ esk242_0 @ X1 )
       != f__1 )
      | ( ( f__0 @ X1 @ esk242_0 )
       != f__1 ) ),
    inference(split_conjunct,[status(thm)],[c_0_85]) ).

thf(c_0_92,plain,
    ! [X1: g,X2: g,X3: g] :
      ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
      = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_86,c_0_67])]) ).

thf(c_0_93,plain,
    ! [X1: g] :
      ( ( f__0 @ f__1 @ X1 )
      = X1 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_87,c_0_75])]) ).

thf(c_0_94,plain,
    p10,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_88,c_0_84])]) ).

thf(c_0_95,plain,
    ! [X462: g,X463: g,X464: g,X465: g] :
      ( ( ( ( f__0 @ ( f__0 @ X462 @ X463 ) @ X464 )
          = ( f__0 @ X462 @ ( f__0 @ X463 @ X464 ) ) )
        | p12 )
      & ( ( ( f__0 @ f__1 @ X465 )
          = X465 )
        | p12 )
      & ( ( ( f__0 @ X465 @ f__1 )
          = X465 )
        | p12 ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax12])])])])]) ).

thf(c_0_96,plain,
    ! [X1: g] :
      ( ( f__0 @ ( esk237_1 @ X1 ) @ X1 )
      = f__1 ),
    inference(sr,[status(thm)],[c_0_89,c_0_90]) ).

thf(c_0_97,plain,
    ! [X1: g] :
      ( ( ( f__0 @ esk241_0 @ f__1 )
       != esk241_0 )
      | ( ( f__0 @ X1 @ esk242_0 )
       != f__1 )
      | ( ( f__0 @ esk242_0 @ X1 )
       != f__1 ) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_91,c_0_92]),c_0_93]),c_0_94])]) ).

thf(c_0_98,plain,
    ! [X1: g,X2: g,X3: g] :
      ( ( ( f__0 @ ( f__0 @ X1 @ X2 ) @ X3 )
        = ( f__0 @ X1 @ ( f__0 @ X2 @ X3 ) ) )
      | p12 ),
    inference(split_conjunct,[status(thm)],[c_0_95]) ).

thf(c_0_99,plain,
    ! [X1: g] :
      ( ( ( f__0 @ X1 @ f__1 )
        = X1 )
      | p12 ),
    inference(split_conjunct,[status(thm)],[c_0_95]) ).

thf(c_0_100,plain,
    ! [X1: g,X2: g] :
      ( ( f__0 @ ( esk237_1 @ X1 ) @ ( f__0 @ X1 @ X2 ) )
      = X2 ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_92,c_0_96]),c_0_93]) ).

thf(c_0_101,plain,
    ! [X1: g,X2: g] :
      ( p12
      | ( ( f__0 @ X1 @ ( f__0 @ X2 @ esk242_0 ) )
       != f__1 )
      | ( ( f__0 @ esk242_0 @ ( f__0 @ X1 @ X2 ) )
       != f__1 ) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_97,c_0_98]),c_0_99]) ).

thf(c_0_102,plain,
    ! [X1: g] :
      ( ( f__0 @ ( esk237_1 @ ( esk237_1 @ X1 ) ) @ f__1 )
      = X1 ),
    inference(spm,[status(thm)],[c_0_100,c_0_96]) ).

thf(c_0_103,plain,
    ( ~ p12
    | ~ p14
    | ~ p15 ),
    inference(fof_simplification,[status(thm)],[ax1808]) ).

thf(c_0_104,plain,
    ! [X1: g] :
      ( p12
      | ( ( f__0 @ X1 @ esk242_0 )
       != f__1 )
      | ( ( f__0 @ esk242_0 @ X1 )
       != f__1 ) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_101,c_0_93]),c_0_93]) ).

thf(c_0_105,plain,
    ! [X1: g] :
      ( ( ( esk237_1 @ ( esk237_1 @ X1 ) )
        = X1 )
      | p12 ),
    inference(spm,[status(thm)],[c_0_99,c_0_102]) ).

thf(c_0_106,plain,
    ( ~ p12
    | ~ p14
    | ~ p15 ),
    inference(split_conjunct,[status(thm)],[c_0_103]) ).

thf(c_0_107,plain,
    ( p12
    | ( ( f__0 @ esk242_0 @ ( esk237_1 @ esk242_0 ) )
     != f__1 ) ),
    inference(spm,[status(thm)],[c_0_104,c_0_96]) ).

thf(c_0_108,plain,
    ! [X1: g] :
      ( ( ( f__0 @ X1 @ ( esk237_1 @ X1 ) )
        = f__1 )
      | p12 ),
    inference(spm,[status(thm)],[c_0_96,c_0_105]) ).

thf(c_0_109,plain,
    ( ~ p20
    | ( ( f__0 @ f__1 @ f__3 )
     != f__3 )
    | ( ( f__0 @ f__3 @ f__1 )
     != f__3 ) ),
    inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[pax20])]) ).

thf(c_0_110,plain,
    ( ~ p12
    | ~ p15 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_106,c_0_67])]) ).

thf(c_0_111,plain,
    p12,
    inference(spm,[status(thm)],[c_0_107,c_0_108]) ).

thf(c_0_112,plain,
    ( ~ p20
    | ( ( f__0 @ f__1 @ f__3 )
     != f__3 )
    | ( ( f__0 @ f__3 @ f__1 )
     != f__3 ) ),
    inference(split_conjunct,[status(thm)],[c_0_109]) ).

thf(c_0_113,plain,
    ( p15
    | p20 ),
    inference(split_conjunct,[status(thm)],[ax1802]) ).

thf(c_0_114,plain,
    ~ p15,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_110,c_0_111])]) ).

thf(c_0_115,plain,
    ( ( ( f__0 @ f__3 @ f__1 )
     != f__3 )
    | ~ p20 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_112,c_0_93])]) ).

thf(c_0_116,plain,
    p20,
    inference(sr,[status(thm)],[c_0_113,c_0_114]) ).

thf(c_0_117,plain,
    ! [X1: g,X2: g] :
      ( ( f__0 @ ( esk237_1 @ ( esk237_1 @ X1 ) ) @ X2 )
      = ( f__0 @ X1 @ X2 ) ),
    inference(spm,[status(thm)],[c_0_100,c_0_100]) ).

thf(c_0_118,plain,
    ( f__0 @ f__3 @ f__1 )
 != f__3,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_115,c_0_116])]) ).

thf(c_0_119,plain,
    ! [X1: g] :
      ( ( f__0 @ X1 @ f__1 )
      = X1 ),
    inference(rw,[status(thm)],[c_0_102,c_0_117]) ).

thf(c_0_120,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_118,c_0_119])]),
    [proof] ).

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

thf(0,theorem,
    ! [X1: g > g > g,X2: g] :
      ( ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                    ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                    = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
               => ~ ! [X3: g] :
                      ~ ( ( ( X1 @ X2 @ X3 )
                          = X3 )
                       => ( ( X1 @ X3 @ X2 )
                         != X3 ) ) )
           => ~ ! [X3: g] :
                  ~ ! [X4: g] :
                      ( ( ( X1 @ X3 @ X4 )
                        = X2 )
                     => ( ( X1 @ X4 @ X3 )
                       != X2 ) ) ) )
      = ( ~ ( ~ ( ! [X3: g,X4: g,X5: g] :
                    ( ( X1 @ ( X1 @ X3 @ X4 ) @ X5 )
                    = ( X1 @ X3 @ ( X1 @ X4 @ X5 ) ) )
               => ~ ! [X3: g] :
                      ( ( X1 @ X2 @ X3 )
                      = X3 ) )
           => ~ ! [X3: g] :
                  ~ ! [X4: g] :
                      ( ( X1 @ X4 @ X3 )
                     != X2 ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h0])],[1,h0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : ALG272^5 : TPTP v8.1.0. Bugfixed v5.3.0.
% 0.10/0.11  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.12/0.33  % Computer : n020.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Tue Jun  7 22:00:36 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 152.58/152.00  % SZS status Theorem
% 152.58/152.00  % Mode: mode446
% 152.58/152.00  % Inferences: 17386
% 152.58/152.00  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------