TSTP Solution File: DAT056^1 by Satallax---3.5

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%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : DAT056^1 : TPTP v8.1.0. Released v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n021.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 : Sat Jul 16 01:24:20 EDT 2022

% Result   : Theorem 2.39s 2.64s
% Output   : Proof 2.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   47 (  23 unt;   0 typ;   0 def)
%            Number of atoms       :  226 (  23 equ;   0 cnn)
%            Maximal formula atoms :    4 (   4 avg)
%            Number of connectives :  245 (  32   ~;  27   |;   1   &; 180   @)
%                                         (   0 <=>;   3  =>;   2  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Number of types       :    0 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   23 (  21 usr;  22 con; 0-2 aty)
%            Number of variables   :   39 (   0   ^  39   !;   0   ?;  39   :)

% Comments : 
%------------------------------------------------------------------------------
thf(conj_0,conjecture,
    ! [X1: lst,X2: lst] :
      ( ( ap @ xs @ ( ap @ X1 @ X2 ) )
      = ( ap @ ( ap @ xs @ X1 ) @ X2 ) ) ).

thf(h0,negated_conjecture,
    ~ ! [X1: lst,X2: lst] :
        ( ( ap @ xs @ ( ap @ X1 @ X2 ) )
        = ( ap @ ( ap @ xs @ X1 ) @ X2 ) ),
    inference(assume_negation,[status(cth)],[conj_0]) ).

thf(ax1150,axiom,
    ( ~ p2
    | p28 ),
    file('<stdin>',ax1150) ).

thf(pax4,axiom,
    ( p4
   => ! [X124: lst] :
        ( ( fap @ fnl @ X124 )
        = X124 ) ),
    file('<stdin>',pax4) ).

thf(ax1151,axiom,
    ( ~ p28
    | ~ p25
    | p27 ),
    file('<stdin>',ax1151) ).

thf(ax1177,axiom,
    p2,
    file('<stdin>',ax1177) ).

thf(nax25,axiom,
    ( p25
   <= ! [X124: lst,X54: lst] :
        ( ( fap @ fnl @ ( fap @ X124 @ X54 ) )
        = ( fap @ ( fap @ fnl @ X124 ) @ X54 ) ) ),
    file('<stdin>',nax25) ).

thf(ax1175,axiom,
    p4,
    file('<stdin>',ax1175) ).

thf(ax1152,axiom,
    ( ~ p27
    | ~ p26
    | p1 ),
    file('<stdin>',ax1152) ).

thf(ax1178,axiom,
    ~ p1,
    file('<stdin>',ax1178) ).

thf(pax3,axiom,
    ( p3
   => ! [X124: lst,X54: lst,X125: a] :
        ( ( fap @ ( fcns @ X125 @ X54 ) @ X124 )
        = ( fcns @ X125 @ ( fap @ X54 @ X124 ) ) ) ),
    file('<stdin>',pax3) ).

thf(nax26,axiom,
    ( p26
   <= ! [X123: a,X54: lst] :
        ( ! [X46: lst,X5: lst] :
            ( ( fap @ X54 @ ( fap @ X46 @ X5 ) )
            = ( fap @ ( fap @ X54 @ X46 ) @ X5 ) )
       => ! [X46: lst,X5: lst] :
            ( ( fap @ ( fcns @ X123 @ X54 ) @ ( fap @ X46 @ X5 ) )
            = ( fap @ ( fap @ ( fcns @ X123 @ X54 ) @ X46 ) @ X5 ) ) ) ),
    file('<stdin>',nax26) ).

thf(ax1176,axiom,
    p3,
    file('<stdin>',ax1176) ).

thf(c_0_11,plain,
    ( ~ p2
    | p28 ),
    inference(fof_simplification,[status(thm)],[ax1150]) ).

thf(c_0_12,plain,
    ! [X2335: lst] :
      ( ~ p4
      | ( ( fap @ fnl @ X2335 )
        = X2335 ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax4])])]) ).

thf(c_0_13,plain,
    ( ~ p28
    | ~ p25
    | p27 ),
    inference(fof_simplification,[status(thm)],[ax1151]) ).

thf(c_0_14,plain,
    ( p28
    | ~ p2 ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

thf(c_0_15,plain,
    p2,
    inference(split_conjunct,[status(thm)],[ax1177]) ).

thf(c_0_16,plain,
    ( ( ( fap @ fnl @ ( fap @ esk1092_0 @ esk1093_0 ) )
     != ( fap @ ( fap @ fnl @ esk1092_0 ) @ esk1093_0 ) )
    | p25 ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[nax25])])])]) ).

thf(c_0_17,plain,
    ! [X1: lst] :
      ( ( ( fap @ fnl @ X1 )
        = X1 )
      | ~ p4 ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

thf(c_0_18,plain,
    p4,
    inference(split_conjunct,[status(thm)],[ax1175]) ).

thf(c_0_19,plain,
    ( ~ p27
    | ~ p26
    | p1 ),
    inference(fof_simplification,[status(thm)],[ax1152]) ).

thf(c_0_20,plain,
    ~ p1,
    inference(fof_simplification,[status(thm)],[ax1178]) ).

thf(c_0_21,plain,
    ( p27
    | ~ p28
    | ~ p25 ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

thf(c_0_22,plain,
    p28,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_14,c_0_15])]) ).

thf(c_0_23,plain,
    ( p25
    | ( ( fap @ fnl @ ( fap @ esk1092_0 @ esk1093_0 ) )
     != ( fap @ ( fap @ fnl @ esk1092_0 ) @ esk1093_0 ) ) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

thf(c_0_24,plain,
    ! [X1: lst] :
      ( ( fap @ fnl @ X1 )
      = X1 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_17,c_0_18])]) ).

thf(c_0_25,plain,
    ( p1
    | ~ p27
    | ~ p26 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

thf(c_0_26,plain,
    ~ p1,
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

thf(c_0_27,plain,
    ( p27
    | ~ p25 ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_21,c_0_22])]) ).

thf(c_0_28,plain,
    p25,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_23,c_0_24]),c_0_24])]) ).

thf(c_0_29,plain,
    ! [X2337: lst,X2338: lst,X2339: a] :
      ( ~ p3
      | ( ( fap @ ( fcns @ X2339 @ X2338 ) @ X2337 )
        = ( fcns @ X2339 @ ( fap @ X2338 @ X2337 ) ) ) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[pax3])])]) ).

thf(c_0_30,plain,
    ! [X2309: lst,X2310: lst] :
      ( ( ( ( fap @ esk1089_0 @ ( fap @ X2309 @ X2310 ) )
          = ( fap @ ( fap @ esk1089_0 @ X2309 ) @ X2310 ) )
        | p26 )
      & ( ( ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ ( fap @ esk1090_0 @ esk1091_0 ) )
         != ( fap @ ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ esk1090_0 ) @ esk1091_0 ) )
        | p26 ) ),
    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)],[nax26])])])])])]) ).

thf(c_0_31,plain,
    ( ~ p26
    | ~ p27 ),
    inference(sr,[status(thm)],[c_0_25,c_0_26]) ).

thf(c_0_32,plain,
    p27,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_27,c_0_28])]) ).

thf(c_0_33,plain,
    ! [X1: lst,X3: a,X2: lst] :
      ( ( ( fap @ ( fcns @ X3 @ X1 ) @ X2 )
        = ( fcns @ X3 @ ( fap @ X1 @ X2 ) ) )
      | ~ p3 ),
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

thf(c_0_34,plain,
    p3,
    inference(split_conjunct,[status(thm)],[ax1176]) ).

thf(c_0_35,plain,
    ! [X1: lst,X2: lst] :
      ( ( ( fap @ esk1089_0 @ ( fap @ X1 @ X2 ) )
        = ( fap @ ( fap @ esk1089_0 @ X1 ) @ X2 ) )
      | p26 ),
    inference(split_conjunct,[status(thm)],[c_0_30]) ).

thf(c_0_36,plain,
    ~ p26,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_31,c_0_32])]) ).

thf(c_0_37,plain,
    ( p26
    | ( ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ ( fap @ esk1090_0 @ esk1091_0 ) )
     != ( fap @ ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ esk1090_0 ) @ esk1091_0 ) ) ),
    inference(split_conjunct,[status(thm)],[c_0_30]) ).

thf(c_0_38,plain,
    ! [X1: lst,X3: a,X2: lst] :
      ( ( fcns @ X3 @ ( fap @ X1 @ X2 ) )
      = ( fap @ ( fcns @ X3 @ X1 ) @ X2 ) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_33,c_0_34])]) ).

thf(c_0_39,plain,
    ! [X1: lst,X2: lst] :
      ( ( fap @ ( fap @ esk1089_0 @ X1 ) @ X2 )
      = ( fap @ esk1089_0 @ ( fap @ X1 @ X2 ) ) ),
    inference(sr,[status(thm)],[c_0_35,c_0_36]) ).

thf(c_0_40,plain,
    ( fap @ ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ esk1090_0 ) @ esk1091_0 )
 != ( fap @ ( fcns @ esk1088_0 @ esk1089_0 ) @ ( fap @ esk1090_0 @ esk1091_0 ) ),
    inference(sr,[status(thm)],[c_0_37,c_0_36]) ).

thf(c_0_41,plain,
    ! [X1: lst,X3: a,X2: lst] :
      ( ( fap @ ( fap @ ( fcns @ X3 @ esk1089_0 ) @ X1 ) @ X2 )
      = ( fap @ ( fcns @ X3 @ esk1089_0 ) @ ( fap @ X1 @ X2 ) ) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_38]),c_0_38]) ).

thf(c_0_42,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_40,c_0_41])]),
    [proof] ).

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

thf(0,theorem,
    ! [X1: lst,X2: lst] :
      ( ( ap @ xs @ ( ap @ X1 @ X2 ) )
      = ( ap @ ( ap @ xs @ X1 ) @ X2 ) ),
    inference(contra,[status(thm),contra(discharge,[h0])],[1,h0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : DAT056^1 : TPTP v8.1.0. Released v5.4.0.
% 0.06/0.13  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Fri Jul  1 20:32:44 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.39/2.64  % SZS status Theorem
% 2.39/2.64  % Mode: mode506
% 2.39/2.64  % Inferences: 8206
% 2.39/2.64  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------