TSTP Solution File: SET351+4 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET351+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n022.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 12:34:27 EDT 2023

% Result   : Theorem 0.16s 0.44s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   68 (   9 unt;   0 def)
%            Number of atoms       :  179 (  10 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  183 (  72   ~;  79   |;  20   &)
%                                         (  11 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   7 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   86 (;  80   !;   6   ?)

% 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(f8,axiom,
    ! [X,A] :
      ( member(X,singleton(A))
    <=> X = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f10,axiom,
    ! [X,A] :
      ( member(X,sum(A))
    <=> ? [Y] :
          ( member(Y,A)
          & member(X,Y) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,conjecture,
    ! [A] : equal_set(sum(singleton(A)),A),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,negated_conjecture,
    ~ ! [A] : equal_set(sum(singleton(A)),A),
    inference(negated_conjecture,[status(cth)],[f12]) ).

fof(f14,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( ~ member(X,A)
          | member(X,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f15,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)],[f14]) ).

fof(f16,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)],[f15]) ).

fof(f17,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)],[f16]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f21,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(f22,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)],[f21]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ~ equal_set(X0,X1)
      | subset(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X0,X1)
      | ~ subset(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f46,plain,
    ! [X,A] :
      ( ( ~ member(X,singleton(A))
        | X = A )
      & ( member(X,singleton(A))
        | X != A ) ),
    inference(NNF_transformation,[status(esa)],[f8]) ).

fof(f47,plain,
    ( ! [X,A] :
        ( ~ member(X,singleton(A))
        | X = A )
    & ! [X,A] :
        ( member(X,singleton(A))
        | X != A ) ),
    inference(miniscoping,[status(esa)],[f46]) ).

fof(f48,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f47]) ).

fof(f49,plain,
    ! [X0,X1] :
      ( member(X0,singleton(X1))
      | X0 != X1 ),
    inference(cnf_transformation,[status(esa)],[f47]) ).

fof(f55,plain,
    ! [X,A] :
      ( ( ~ member(X,sum(A))
        | ? [Y] :
            ( member(Y,A)
            & member(X,Y) ) )
      & ( member(X,sum(A))
        | ! [Y] :
            ( ~ member(Y,A)
            | ~ member(X,Y) ) ) ),
    inference(NNF_transformation,[status(esa)],[f10]) ).

fof(f56,plain,
    ( ! [X,A] :
        ( ~ member(X,sum(A))
        | ? [Y] :
            ( member(Y,A)
            & member(X,Y) ) )
    & ! [X,A] :
        ( member(X,sum(A))
        | ! [Y] :
            ( ~ member(Y,A)
            | ~ member(X,Y) ) ) ),
    inference(miniscoping,[status(esa)],[f55]) ).

fof(f57,plain,
    ( ! [X,A] :
        ( ~ member(X,sum(A))
        | ( member(sk0_1(A,X),A)
          & member(X,sk0_1(A,X)) ) )
    & ! [X,A] :
        ( member(X,sum(A))
        | ! [Y] :
            ( ~ member(Y,A)
            | ~ member(X,Y) ) ) ),
    inference(skolemization,[status(esa)],[f56]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( ~ member(X0,sum(X1))
      | member(sk0_1(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( ~ member(X0,sum(X1))
      | member(X0,sk0_1(X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f60,plain,
    ! [X0,X1,X2] :
      ( member(X0,sum(X1))
      | ~ member(X2,X1)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f68,plain,
    ? [A] : ~ equal_set(sum(singleton(A)),A),
    inference(pre_NNF_transformation,[status(esa)],[f13]) ).

fof(f69,plain,
    ~ equal_set(sum(singleton(sk0_3)),sk0_3),
    inference(skolemization,[status(esa)],[f68]) ).

fof(f70,plain,
    ~ equal_set(sum(singleton(sk0_3)),sk0_3),
    inference(cnf_transformation,[status(esa)],[f69]) ).

fof(f71,plain,
    ! [X0] : member(X0,singleton(X0)),
    inference(destructive_equality_resolution,[status(esa)],[f49]) ).

fof(f95,plain,
    ! [X0,X1] :
      ( ~ member(X0,sum(singleton(X1)))
      | sk0_1(singleton(X1),X0) = X1 ),
    inference(resolution,[status(thm)],[f58,f48]) ).

fof(f97,plain,
    ! [X0,X1] :
      ( sk0_1(singleton(X0),sk0_0(X1,sum(singleton(X0)))) = X0
      | subset(sum(singleton(X0)),X1) ),
    inference(resolution,[status(thm)],[f95,f19]) ).

fof(f152,plain,
    ! [X0,X1,X2] :
      ( subset(X0,sum(X1))
      | ~ member(X2,X1)
      | ~ member(sk0_0(sum(X1),X0),X2) ),
    inference(resolution,[status(thm)],[f20,f60]) ).

fof(f174,plain,
    ( spl0_1
  <=> subset(sum(singleton(sk0_3)),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f175,plain,
    ( subset(sum(singleton(sk0_3)),sk0_3)
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f174]) ).

fof(f176,plain,
    ( ~ subset(sum(singleton(sk0_3)),sk0_3)
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f174]) ).

fof(f180,plain,
    ( sk0_1(singleton(sk0_3),sk0_0(sk0_3,sum(singleton(sk0_3)))) = sk0_3
    | spl0_1 ),
    inference(resolution,[status(thm)],[f176,f97]) ).

fof(f182,plain,
    ( spl0_2
  <=> member(sk0_0(sk0_3,sum(singleton(sk0_3))),sum(singleton(sk0_3))) ),
    introduced(split_symbol_definition) ).

fof(f184,plain,
    ( ~ member(sk0_0(sk0_3,sum(singleton(sk0_3))),sum(singleton(sk0_3)))
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f182]) ).

fof(f185,plain,
    ( spl0_3
  <=> member(sk0_0(sk0_3,sum(singleton(sk0_3))),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f186,plain,
    ( member(sk0_0(sk0_3,sum(singleton(sk0_3))),sk0_3)
    | ~ spl0_3 ),
    inference(component_clause,[status(thm)],[f185]) ).

fof(f188,plain,
    ( ~ member(sk0_0(sk0_3,sum(singleton(sk0_3))),sum(singleton(sk0_3)))
    | member(sk0_0(sk0_3,sum(singleton(sk0_3))),sk0_3)
    | spl0_1 ),
    inference(paramodulation,[status(thm)],[f180,f59]) ).

fof(f189,plain,
    ( ~ spl0_2
    | spl0_3
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f188,f182,f185,f174]) ).

fof(f195,plain,
    ( subset(sum(singleton(sk0_3)),sk0_3)
    | spl0_2 ),
    inference(resolution,[status(thm)],[f184,f19]) ).

fof(f199,plain,
    ( spl0_5
  <=> equal_set(sk0_3,sum(singleton(sk0_3))) ),
    introduced(split_symbol_definition) ).

fof(f200,plain,
    ( equal_set(sk0_3,sum(singleton(sk0_3)))
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f199]) ).

fof(f202,plain,
    ( spl0_6
  <=> subset(sk0_3,sum(singleton(sk0_3))) ),
    introduced(split_symbol_definition) ).

fof(f204,plain,
    ( ~ subset(sk0_3,sum(singleton(sk0_3)))
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f202]) ).

fof(f208,plain,
    ( subset(sk0_3,sum(singleton(sk0_3)))
    | ~ spl0_5 ),
    inference(resolution,[status(thm)],[f200,f23]) ).

fof(f215,plain,
    ( spl0_7
  <=> equal_set(sum(singleton(sk0_3)),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f216,plain,
    ( equal_set(sum(singleton(sk0_3)),sk0_3)
    | ~ spl0_7 ),
    inference(component_clause,[status(thm)],[f215]) ).

fof(f218,plain,
    ( equal_set(sum(singleton(sk0_3)),sk0_3)
    | ~ subset(sum(singleton(sk0_3)),sk0_3)
    | ~ spl0_5 ),
    inference(resolution,[status(thm)],[f208,f25]) ).

fof(f219,plain,
    ( spl0_7
    | ~ spl0_1
    | ~ spl0_5 ),
    inference(split_clause,[status(thm)],[f218,f215,f174,f199]) ).

fof(f220,plain,
    ( $false
    | ~ spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f216,f70]) ).

fof(f221,plain,
    ~ spl0_7,
    inference(contradiction_clause,[status(thm)],[f220]) ).

fof(f225,plain,
    ! [X0] :
      ( ~ member(X0,singleton(sk0_3))
      | ~ member(sk0_0(sum(singleton(sk0_3)),sk0_3),X0)
      | spl0_6 ),
    inference(resolution,[status(thm)],[f204,f152]) ).

fof(f227,plain,
    ( $false
    | spl0_2
    | spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f176,f195]) ).

fof(f228,plain,
    ( spl0_2
    | spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f227]) ).

fof(f252,plain,
    ( subset(sum(singleton(sk0_3)),sk0_3)
    | ~ spl0_3 ),
    inference(resolution,[status(thm)],[f186,f20]) ).

fof(f253,plain,
    ( $false
    | spl0_1
    | ~ spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f252,f176]) ).

fof(f254,plain,
    ( spl0_1
    | ~ spl0_3 ),
    inference(contradiction_clause,[status(thm)],[f253]) ).

fof(f256,plain,
    ( equal_set(sk0_3,sum(singleton(sk0_3)))
    | ~ subset(sk0_3,sum(singleton(sk0_3)))
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f175,f25]) ).

fof(f257,plain,
    ( spl0_5
    | ~ spl0_6
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f256,f199,f202,f174]) ).

fof(f272,plain,
    ( ~ member(sk0_0(sum(singleton(sk0_3)),sk0_3),sk0_3)
    | spl0_6 ),
    inference(resolution,[status(thm)],[f225,f71]) ).

fof(f274,plain,
    ( subset(sk0_3,sum(singleton(sk0_3)))
    | spl0_6 ),
    inference(resolution,[status(thm)],[f272,f19]) ).

fof(f275,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f274,f204]) ).

fof(f276,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f275]) ).

fof(f277,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f189,f219,f221,f228,f254,f257,f276]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET351+4 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.32  % Computer : n022.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Tue May 30 10:19:12 EDT 2023
% 0.11/0.32  % CPUTime  : 
% 0.11/0.32  % Drodi V3.5.1
% 0.16/0.44  % Refutation found
% 0.16/0.44  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.16/0.44  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.47  % Elapsed time: 0.145159 seconds
% 0.16/0.47  % CPU time: 0.436357 seconds
% 0.16/0.47  % Memory used: 49.349 MB
%------------------------------------------------------------------------------