TSTP Solution File: SET013+4 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SET013+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n011.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 : Tue Apr 30 20:38:37 EDT 2024

% Result   : Theorem 0.22s 0.39s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   56 (   6 unt;   0 def)
%            Number of atoms       :  149 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  146 (  53   ~;  66   |;  16   &)
%                                         (  10 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   10 (   9 usr;   7 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   71 (  67   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( member(X,A)
         => member(X,B) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] :
      ( equal_set(A,B)
    <=> ( subset(A,B)
        & subset(B,A) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,A,B] :
      ( member(X,intersection(A,B))
    <=> ( member(X,A)
        & member(X,B) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,conjecture,
    ! [A,B] : equal_set(intersection(A,B),intersection(B,A)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f13,negated_conjecture,
    ~ ! [A,B] : equal_set(intersection(A,B),intersection(B,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(f25,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X0,X1)
      | ~ subset(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f30,plain,
    ! [X,A,B] :
      ( ( ~ member(X,intersection(A,B))
        | ( member(X,A)
          & member(X,B) ) )
      & ( member(X,intersection(A,B))
        | ~ member(X,A)
        | ~ member(X,B) ) ),
    inference(NNF_transformation,[status(esa)],[f4]) ).

fof(f31,plain,
    ( ! [X,A,B] :
        ( ~ member(X,intersection(A,B))
        | ( member(X,A)
          & member(X,B) ) )
    & ! [X,A,B] :
        ( member(X,intersection(A,B))
        | ~ member(X,A)
        | ~ member(X,B) ) ),
    inference(miniscoping,[status(esa)],[f30]) ).

fof(f32,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f31]) ).

fof(f33,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,intersection(X1,X2))
      | member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f31]) ).

fof(f34,plain,
    ! [X0,X1,X2] :
      ( member(X0,intersection(X1,X2))
      | ~ member(X0,X1)
      | ~ member(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f31]) ).

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

fof(f69,plain,
    ~ equal_set(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),
    inference(skolemization,[status(esa)],[f68]) ).

fof(f70,plain,
    ~ equal_set(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),
    inference(cnf_transformation,[status(esa)],[f69]) ).

fof(f74,plain,
    ( spl0_0
  <=> subset(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)) ),
    introduced(split_symbol_definition) ).

fof(f76,plain,
    ( ~ subset(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3))
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f74]) ).

fof(f77,plain,
    ( spl0_1
  <=> subset(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)) ),
    introduced(split_symbol_definition) ).

fof(f79,plain,
    ( ~ subset(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4))
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f77]) ).

fof(f80,plain,
    ( ~ subset(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3))
    | ~ subset(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)) ),
    inference(resolution,[status(thm)],[f25,f70]) ).

fof(f81,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f80,f74,f77]) ).

fof(f83,plain,
    ! [X0,X1,X2] :
      ( subset(intersection(X0,X1),X2)
      | member(sk0_0(X2,intersection(X0,X1)),X1) ),
    inference(resolution,[status(thm)],[f19,f33]) ).

fof(f84,plain,
    ! [X0,X1,X2] :
      ( subset(intersection(X0,X1),X2)
      | member(sk0_0(X2,intersection(X0,X1)),X0) ),
    inference(resolution,[status(thm)],[f19,f32]) ).

fof(f85,plain,
    ( member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_4)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f83,f76]) ).

fof(f86,plain,
    ( member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_3)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f84,f76]) ).

fof(f89,plain,
    ! [X0,X1,X2] :
      ( subset(X0,intersection(X1,X2))
      | ~ member(sk0_0(intersection(X1,X2),X0),X1)
      | ~ member(sk0_0(intersection(X1,X2),X0),X2) ),
    inference(resolution,[status(thm)],[f20,f34]) ).

fof(f90,plain,
    ( spl0_2
  <=> member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f92,plain,
    ( ~ member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_4)
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f90]) ).

fof(f93,plain,
    ( spl0_3
  <=> member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f95,plain,
    ( ~ member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_3)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f93]) ).

fof(f96,plain,
    ( ~ member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_4)
    | ~ member(sk0_0(intersection(sk0_4,sk0_3),intersection(sk0_3,sk0_4)),sk0_3)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f89,f76]) ).

fof(f97,plain,
    ( ~ spl0_2
    | ~ spl0_3
    | spl0_0 ),
    inference(split_clause,[status(thm)],[f96,f90,f93,f74]) ).

fof(f98,plain,
    ( member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_4)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f79,f84]) ).

fof(f99,plain,
    ( member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_3)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f79,f83]) ).

fof(f100,plain,
    ( spl0_4
  <=> member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f102,plain,
    ( ~ member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_3)
    | spl0_4 ),
    inference(component_clause,[status(thm)],[f100]) ).

fof(f103,plain,
    ( spl0_5
  <=> member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f105,plain,
    ( ~ member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_4)
    | spl0_5 ),
    inference(component_clause,[status(thm)],[f103]) ).

fof(f106,plain,
    ( ~ member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_3)
    | ~ member(sk0_0(intersection(sk0_3,sk0_4),intersection(sk0_4,sk0_3)),sk0_4)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f79,f89]) ).

fof(f107,plain,
    ( ~ spl0_4
    | ~ spl0_5
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f106,f100,f103,f77]) ).

fof(f108,plain,
    ( $false
    | spl0_2
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f85,f92]) ).

fof(f109,plain,
    ( spl0_2
    | spl0_0 ),
    inference(contradiction_clause,[status(thm)],[f108]) ).

fof(f110,plain,
    ( $false
    | spl0_4
    | spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f99,f102]) ).

fof(f111,plain,
    ( spl0_4
    | spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f110]) ).

fof(f112,plain,
    ( $false
    | spl0_3
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f86,f95]) ).

fof(f113,plain,
    ( spl0_3
    | spl0_0 ),
    inference(contradiction_clause,[status(thm)],[f112]) ).

fof(f114,plain,
    ( $false
    | spl0_5
    | spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f98,f105]) ).

fof(f115,plain,
    ( spl0_5
    | spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f114]) ).

fof(f116,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f81,f97,f107,f109,f111,f113,f115]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET013+4 : TPTP v8.1.2. Released v2.2.0.
% 0.03/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.15/0.35  % Computer : n011.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Mon Apr 29 21:32:01 EDT 2024
% 0.15/0.35  % CPUTime  : 
% 0.15/0.36  % Drodi V3.6.0
% 0.22/0.39  % Refutation found
% 0.22/0.39  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.22/0.39  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.22/0.42  % Elapsed time: 0.050744 seconds
% 0.22/0.42  % CPU time: 0.265509 seconds
% 0.22/0.42  % Total memory used: 44.650 MB
% 0.22/0.42  % Net memory used: 44.551 MB
%------------------------------------------------------------------------------