TSTP Solution File: SET764+4 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET764+4 : TPTP v8.1.2. Bugfixed v2.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n025.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 : Wed May 31 12:35:09 EDT 2023

% Result   : Theorem 0.12s 0.38s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   45 (   8 unt;   0 def)
%            Number of atoms       :  137 (   0 equ)
%            Maximal formula atoms :    6 (   3 avg)
%            Number of connectives :  144 (  52   ~;  55   |;  27   &)
%                                         (   6 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   6 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-3 aty)
%            Number of variables   :  137 (; 124   !;  13   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( member(X,A)
         => member(X,B) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] :
      ( equal_set(A,B)
    <=> ( subset(A,B)
        & subset(B,A) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X] : ~ member(X,empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    ! [F,A] :
      ( identity(F,A)
    <=> ! [X] :
          ( member(X,A)
         => apply(F,X,X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f24,axiom,
    ! [F,B,X] :
      ( member(X,inverse_image2(F,B))
    <=> ? [Y] :
          ( member(Y,B)
          & apply(F,X,Y) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f29,conjecture,
    ! [F,A,B] :
      ( maps(F,A,B)
     => equal_set(inverse_image2(F,empty_set),empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f30,negated_conjecture,
    ~ ! [F,A,B] :
        ( maps(F,A,B)
       => equal_set(inverse_image2(F,empty_set),empty_set) ),
    inference(negated_conjecture,[status(cth)],[f29]) ).

fof(f31,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( ~ member(X,A)
          | member(X,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f32,plain,
    ! [A,B] :
      ( ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
      & ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(NNF_transformation,[status(esa)],[f31]) ).

fof(f33,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(miniscoping,[status(esa)],[f32]) ).

fof(f34,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( member(sk0_0(B,A),A)
          & ~ member(sk0_0(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f33]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f34]) ).

fof(f38,plain,
    ! [A,B] :
      ( ( ~ equal_set(A,B)
        | ( subset(A,B)
          & subset(B,A) ) )
      & ( equal_set(A,B)
        | ~ subset(A,B)
        | ~ subset(B,A) ) ),
    inference(NNF_transformation,[status(esa)],[f2]) ).

fof(f39,plain,
    ( ! [A,B] :
        ( ~ equal_set(A,B)
        | ( subset(A,B)
          & subset(B,A) ) )
    & ! [A,B] :
        ( equal_set(A,B)
        | ~ subset(A,B)
        | ~ subset(B,A) ) ),
    inference(miniscoping,[status(esa)],[f38]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X0,X1)
      | ~ subset(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f39]) ).

fof(f57,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f130,plain,
    ! [F,A] :
      ( identity(F,A)
    <=> ! [X] :
          ( ~ member(X,A)
          | apply(F,X,X) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f16]) ).

fof(f131,plain,
    ! [F,A] :
      ( ( ~ identity(F,A)
        | ! [X] :
            ( ~ member(X,A)
            | apply(F,X,X) ) )
      & ( identity(F,A)
        | ? [X] :
            ( member(X,A)
            & ~ apply(F,X,X) ) ) ),
    inference(NNF_transformation,[status(esa)],[f130]) ).

fof(f132,plain,
    ( ! [F,A] :
        ( ~ identity(F,A)
        | ! [X] :
            ( ~ member(X,A)
            | apply(F,X,X) ) )
    & ! [F,A] :
        ( identity(F,A)
        | ? [X] :
            ( member(X,A)
            & ~ apply(F,X,X) ) ) ),
    inference(miniscoping,[status(esa)],[f131]) ).

fof(f133,plain,
    ( ! [F,A] :
        ( ~ identity(F,A)
        | ! [X] :
            ( ~ member(X,A)
            | apply(F,X,X) ) )
    & ! [F,A] :
        ( identity(F,A)
        | ( member(sk0_15(A,F),A)
          & ~ apply(F,sk0_15(A,F),sk0_15(A,F)) ) ) ),
    inference(skolemization,[status(esa)],[f132]) ).

fof(f134,plain,
    ! [X0,X1,X2] :
      ( ~ identity(X0,X1)
      | ~ member(X2,X1)
      | apply(X0,X2,X2) ),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f135,plain,
    ! [X0,X1] :
      ( identity(X0,X1)
      | member(sk0_15(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f189,plain,
    ! [F,B,X] :
      ( ( ~ member(X,inverse_image2(F,B))
        | ? [Y] :
            ( member(Y,B)
            & apply(F,X,Y) ) )
      & ( member(X,inverse_image2(F,B))
        | ! [Y] :
            ( ~ member(Y,B)
            | ~ apply(F,X,Y) ) ) ),
    inference(NNF_transformation,[status(esa)],[f24]) ).

fof(f190,plain,
    ( ! [F,B,X] :
        ( ~ member(X,inverse_image2(F,B))
        | ? [Y] :
            ( member(Y,B)
            & apply(F,X,Y) ) )
    & ! [F,B,X] :
        ( member(X,inverse_image2(F,B))
        | ! [Y] :
            ( ~ member(Y,B)
            | ~ apply(F,X,Y) ) ) ),
    inference(miniscoping,[status(esa)],[f189]) ).

fof(f191,plain,
    ( ! [F,B,X] :
        ( ~ member(X,inverse_image2(F,B))
        | ( member(sk0_25(X,B,F),B)
          & apply(F,X,sk0_25(X,B,F)) ) )
    & ! [F,B,X] :
        ( member(X,inverse_image2(F,B))
        | ! [Y] :
            ( ~ member(Y,B)
            | ~ apply(F,X,Y) ) ) ),
    inference(skolemization,[status(esa)],[f190]) ).

fof(f192,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,inverse_image2(X1,X2))
      | member(sk0_25(X0,X2,X1),X2) ),
    inference(cnf_transformation,[status(esa)],[f191]) ).

fof(f194,plain,
    ! [X0,X1,X2,X3] :
      ( member(X0,inverse_image2(X1,X2))
      | ~ member(X3,X2)
      | ~ apply(X1,X0,X3) ),
    inference(cnf_transformation,[status(esa)],[f191]) ).

fof(f244,plain,
    ? [F,A,B] :
      ( maps(F,A,B)
      & ~ equal_set(inverse_image2(F,empty_set),empty_set) ),
    inference(pre_NNF_transformation,[status(esa)],[f30]) ).

fof(f245,plain,
    ? [F] :
      ( ? [A,B] : maps(F,A,B)
      & ~ equal_set(inverse_image2(F,empty_set),empty_set) ),
    inference(miniscoping,[status(esa)],[f244]) ).

fof(f246,plain,
    ( maps(sk0_39,sk0_40,sk0_41)
    & ~ equal_set(inverse_image2(sk0_39,empty_set),empty_set) ),
    inference(skolemization,[status(esa)],[f245]) ).

fof(f248,plain,
    ~ equal_set(inverse_image2(sk0_39,empty_set),empty_set),
    inference(cnf_transformation,[status(esa)],[f246]) ).

fof(f266,plain,
    ! [X0] : subset(empty_set,X0),
    inference(resolution,[status(thm)],[f36,f57]) ).

fof(f267,plain,
    ! [X0,X1,X2,X3] :
      ( subset(X0,X1)
      | member(X2,inverse_image2(X3,X0))
      | ~ apply(X3,X2,sk0_0(X1,X0)) ),
    inference(resolution,[status(thm)],[f36,f194]) ).

fof(f299,plain,
    ! [X0,X1,X2] :
      ( member(sk0_25(sk0_15(inverse_image2(X0,X1),X2),X1,X0),X1)
      | identity(X2,inverse_image2(X0,X1)) ),
    inference(resolution,[status(thm)],[f192,f135]) ).

fof(f311,plain,
    ! [X0,X1] : identity(X0,inverse_image2(X1,empty_set)),
    inference(resolution,[status(thm)],[f299,f57]) ).

fof(f313,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,inverse_image2(X1,empty_set))
      | apply(X2,X0,X0) ),
    inference(resolution,[status(thm)],[f311,f134]) ).

fof(f316,plain,
    ! [X0,X1,X2] :
      ( apply(X0,sk0_0(X1,inverse_image2(X2,empty_set)),sk0_0(X1,inverse_image2(X2,empty_set)))
      | subset(inverse_image2(X2,empty_set),X1) ),
    inference(resolution,[status(thm)],[f313,f36]) ).

fof(f318,plain,
    ! [X0,X1,X2] :
      ( subset(inverse_image2(X0,empty_set),X1)
      | subset(inverse_image2(X0,empty_set),X1)
      | member(sk0_0(X1,inverse_image2(X0,empty_set)),inverse_image2(X2,inverse_image2(X0,empty_set))) ),
    inference(resolution,[status(thm)],[f316,f267]) ).

fof(f319,plain,
    ! [X0,X1,X2] :
      ( subset(inverse_image2(X0,empty_set),X1)
      | member(sk0_0(X1,inverse_image2(X0,empty_set)),inverse_image2(X2,inverse_image2(X0,empty_set))) ),
    inference(duplicate_literals_removal,[status(esa)],[f318]) ).

fof(f323,plain,
    ! [X0,X1,X2] :
      ( subset(inverse_image2(X0,empty_set),X1)
      | member(sk0_25(sk0_0(X1,inverse_image2(X0,empty_set)),inverse_image2(X0,empty_set),X2),inverse_image2(X0,empty_set)) ),
    inference(resolution,[status(thm)],[f319,f192]) ).

fof(f345,plain,
    ! [X0,X1,X2] :
      ( subset(inverse_image2(X0,empty_set),X1)
      | member(sk0_25(sk0_25(sk0_0(X1,inverse_image2(X0,empty_set)),inverse_image2(X0,empty_set),X2),empty_set,X0),empty_set) ),
    inference(resolution,[status(thm)],[f323,f192]) ).

fof(f346,plain,
    ! [X0,X1] : subset(inverse_image2(X0,empty_set),X1),
    inference(forward_subsumption_resolution,[status(thm)],[f345,f57]) ).

fof(f351,plain,
    ! [X0,X1] :
      ( equal_set(inverse_image2(X0,empty_set),X1)
      | ~ subset(X1,inverse_image2(X0,empty_set)) ),
    inference(resolution,[status(thm)],[f346,f42]) ).

fof(f358,plain,
    ! [X0] : equal_set(inverse_image2(X0,empty_set),empty_set),
    inference(resolution,[status(thm)],[f351,f266]) ).

fof(f360,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f248,f358]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET764+4 : TPTP v8.1.2. Bugfixed v2.2.1.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.34  % Computer : n025.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  : 300
% 0.12/0.34  % DateTime : Tue May 30 10:31:57 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  % Drodi V3.5.1
% 0.12/0.38  % Refutation found
% 0.12/0.38  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.12/0.38  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.39  % Elapsed time: 0.044288 seconds
% 0.20/0.39  % CPU time: 0.179170 seconds
% 0.20/0.39  % Memory used: 20.385 MB
%------------------------------------------------------------------------------