TSTP Solution File: SEU120+2 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SEU120+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n002.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 20:41:03 EDT 2024

% Result   : Theorem 0.10s 0.33s
% Output   : CNFRefutation 0.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   62 (   4 unt;   0 def)
%            Number of atoms       :  201 (  26 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  241 ( 102   ~;  85   |;  45   &)
%                                         (   7 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   4 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   6 con; 0-3 aty)
%            Number of variables   :  134 ( 114   !;  20   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A] :
      ( A = empty_set
    <=> ! [B] : ~ in(B,A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [A,B] :
      ( disjoint(A,B)
    <=> set_intersection2(A,B) = empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [A,B] :
      ( disjoint(A,B)
     => disjoint(B,A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,lemma,
    ! [A,B] :
      ( ~ ( ~ disjoint(A,B)
          & ! [C] :
              ~ ( in(C,A)
                & in(C,B) ) )
      & ~ ( ? [C] :
              ( in(C,A)
              & in(C,B) )
          & disjoint(A,B) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,conjecture,
    ! [A,B] :
      ( ~ ( ~ disjoint(A,B)
          & ! [C] : ~ in(C,set_intersection2(A,B)) )
      & ~ ( ? [C] : in(C,set_intersection2(A,B))
          & disjoint(A,B) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,negated_conjecture,
    ~ ! [A,B] :
        ( ~ ( ~ disjoint(A,B)
            & ! [C] : ~ in(C,set_intersection2(A,B)) )
        & ~ ( ? [C] : in(C,set_intersection2(A,B))
            & disjoint(A,B) ) ),
    inference(negated_conjecture,[status(cth)],[f14]) ).

fof(f18,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f19,plain,
    ! [A] :
      ( ( A != empty_set
        | ! [B] : ~ in(B,A) )
      & ( A = empty_set
        | ? [B] : in(B,A) ) ),
    inference(NNF_transformation,[status(esa)],[f3]) ).

fof(f20,plain,
    ( ! [A] :
        ( A != empty_set
        | ! [B] : ~ in(B,A) )
    & ! [A] :
        ( A = empty_set
        | ? [B] : in(B,A) ) ),
    inference(miniscoping,[status(esa)],[f19]) ).

fof(f21,plain,
    ( ! [A] :
        ( A != empty_set
        | ! [B] : ~ in(B,A) )
    & ! [A] :
        ( A = empty_set
        | in(sk0_0(A),A) ) ),
    inference(skolemization,[status(esa)],[f20]) ).

fof(f23,plain,
    ! [X0] :
      ( X0 = empty_set
      | in(sk0_0(X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f21]) ).

fof(f24,plain,
    ! [A,B,C] :
      ( ( C != set_intersection2(A,B)
        | ! [D] :
            ( ( ~ in(D,C)
              | ( in(D,A)
                & in(D,B) ) )
            & ( in(D,C)
              | ~ in(D,A)
              | ~ in(D,B) ) ) )
      & ( C = set_intersection2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ~ in(D,A)
              | ~ in(D,B) )
            & ( in(D,C)
              | ( in(D,A)
                & in(D,B) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f4]) ).

fof(f25,plain,
    ( ! [A,B,C] :
        ( C != set_intersection2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | ( in(D,A)
                & in(D,B) ) )
          & ! [D] :
              ( in(D,C)
              | ~ in(D,A)
              | ~ in(D,B) ) ) )
    & ! [A,B,C] :
        ( C = set_intersection2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ~ in(D,A)
              | ~ in(D,B) )
            & ( in(D,C)
              | ( in(D,A)
                & in(D,B) ) ) ) ) ),
    inference(miniscoping,[status(esa)],[f24]) ).

fof(f26,plain,
    ( ! [A,B,C] :
        ( C != set_intersection2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | ( in(D,A)
                & in(D,B) ) )
          & ! [D] :
              ( in(D,C)
              | ~ in(D,A)
              | ~ in(D,B) ) ) )
    & ! [A,B,C] :
        ( C = set_intersection2(A,B)
        | ( ( ~ in(sk0_1(C,B,A),C)
            | ~ in(sk0_1(C,B,A),A)
            | ~ in(sk0_1(C,B,A),B) )
          & ( in(sk0_1(C,B,A),C)
            | ( in(sk0_1(C,B,A),A)
              & in(sk0_1(C,B,A),B) ) ) ) ) ),
    inference(skolemization,[status(esa)],[f25]) ).

fof(f27,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != set_intersection2(X1,X2)
      | ~ in(X3,X0)
      | in(X3,X1) ),
    inference(cnf_transformation,[status(esa)],[f26]) ).

fof(f28,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != set_intersection2(X1,X2)
      | ~ in(X3,X0)
      | in(X3,X2) ),
    inference(cnf_transformation,[status(esa)],[f26]) ).

fof(f33,plain,
    ! [A,B] :
      ( ( ~ disjoint(A,B)
        | set_intersection2(A,B) = empty_set )
      & ( disjoint(A,B)
        | set_intersection2(A,B) != empty_set ) ),
    inference(NNF_transformation,[status(esa)],[f5]) ).

fof(f34,plain,
    ( ! [A,B] :
        ( ~ disjoint(A,B)
        | set_intersection2(A,B) = empty_set )
    & ! [A,B] :
        ( disjoint(A,B)
        | set_intersection2(A,B) != empty_set ) ),
    inference(miniscoping,[status(esa)],[f33]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | set_intersection2(X0,X1) != empty_set ),
    inference(cnf_transformation,[status(esa)],[f34]) ).

fof(f44,plain,
    ! [A,B] :
      ( ~ disjoint(A,B)
      | disjoint(B,A) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ disjoint(X0,X1)
      | disjoint(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f44]) ).

fof(f46,plain,
    ! [A,B] :
      ( ( disjoint(A,B)
        | ? [C] :
            ( in(C,A)
            & in(C,B) ) )
      & ( ! [C] :
            ( ~ in(C,A)
            | ~ in(C,B) )
        | ~ disjoint(A,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f13]) ).

fof(f47,plain,
    ( ! [A,B] :
        ( disjoint(A,B)
        | ? [C] :
            ( in(C,A)
            & in(C,B) ) )
    & ! [A,B] :
        ( ! [C] :
            ( ~ in(C,A)
            | ~ in(C,B) )
        | ~ disjoint(A,B) ) ),
    inference(miniscoping,[status(esa)],[f46]) ).

fof(f48,plain,
    ( ! [A,B] :
        ( disjoint(A,B)
        | ( in(sk0_4(B,A),A)
          & in(sk0_4(B,A),B) ) )
    & ! [A,B] :
        ( ! [C] :
            ( ~ in(C,A)
            | ~ in(C,B) )
        | ~ disjoint(A,B) ) ),
    inference(skolemization,[status(esa)],[f47]) ).

fof(f51,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,X1)
      | ~ in(X0,X2)
      | ~ disjoint(X1,X2) ),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f52,plain,
    ? [A,B] :
      ( ( ~ disjoint(A,B)
        & ! [C] : ~ in(C,set_intersection2(A,B)) )
      | ( ? [C] : in(C,set_intersection2(A,B))
        & disjoint(A,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f15]) ).

fof(f53,plain,
    ! [A,B] :
      ( pd0_0(B,A)
     => ( ~ disjoint(A,B)
        & ! [C] : ~ in(C,set_intersection2(A,B)) ) ),
    introduced(predicate_definition,[f52]) ).

fof(f54,plain,
    ? [A,B] :
      ( pd0_0(B,A)
      | ( ? [C] : in(C,set_intersection2(A,B))
        & disjoint(A,B) ) ),
    inference(formula_renaming,[status(thm)],[f52,f53]) ).

fof(f55,plain,
    ( ? [A,B] : pd0_0(B,A)
    | ? [A,B] :
        ( ? [C] : in(C,set_intersection2(A,B))
        & disjoint(A,B) ) ),
    inference(miniscoping,[status(esa)],[f54]) ).

fof(f56,plain,
    ( pd0_0(sk0_6,sk0_5)
    | ( in(sk0_9,set_intersection2(sk0_7,sk0_8))
      & disjoint(sk0_7,sk0_8) ) ),
    inference(skolemization,[status(esa)],[f55]) ).

fof(f57,plain,
    ( pd0_0(sk0_6,sk0_5)
    | in(sk0_9,set_intersection2(sk0_7,sk0_8)) ),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f58,plain,
    ( pd0_0(sk0_6,sk0_5)
    | disjoint(sk0_7,sk0_8) ),
    inference(cnf_transformation,[status(esa)],[f56]) ).

fof(f59,plain,
    ! [A,B] :
      ( ~ pd0_0(B,A)
      | ( ~ disjoint(A,B)
        & ! [C] : ~ in(C,set_intersection2(A,B)) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f53]) ).

fof(f60,plain,
    ! [X0,X1] :
      ( ~ pd0_0(X0,X1)
      | ~ disjoint(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f59]) ).

fof(f61,plain,
    ! [X0,X1,X2] :
      ( ~ pd0_0(X0,X1)
      | ~ in(X2,set_intersection2(X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f59]) ).

fof(f62,plain,
    ( spl0_0
  <=> pd0_0(sk0_6,sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f63,plain,
    ( pd0_0(sk0_6,sk0_5)
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f62]) ).

fof(f65,plain,
    ( spl0_1
  <=> in(sk0_9,set_intersection2(sk0_7,sk0_8)) ),
    introduced(split_symbol_definition) ).

fof(f66,plain,
    ( in(sk0_9,set_intersection2(sk0_7,sk0_8))
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f65]) ).

fof(f68,plain,
    ( spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f57,f62,f65]) ).

fof(f69,plain,
    ( spl0_2
  <=> disjoint(sk0_7,sk0_8) ),
    introduced(split_symbol_definition) ).

fof(f70,plain,
    ( disjoint(sk0_7,sk0_8)
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f69]) ).

fof(f72,plain,
    ( spl0_0
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f58,f62,f69]) ).

fof(f74,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,set_intersection2(X1,X2))
      | in(X0,X1) ),
    inference(destructive_equality_resolution,[status(esa)],[f27]) ).

fof(f75,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,set_intersection2(X1,X2))
      | in(X0,X2) ),
    inference(destructive_equality_resolution,[status(esa)],[f28]) ).

fof(f78,plain,
    ! [X0,X1,X2] :
      ( ~ pd0_0(X0,X1)
      | ~ in(X2,set_intersection2(X0,X1)) ),
    inference(paramodulation,[status(thm)],[f18,f61]) ).

fof(f98,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = empty_set
      | ~ pd0_0(X0,X1) ),
    inference(resolution,[status(thm)],[f23,f78]) ).

fof(f116,plain,
    ! [X0,X1] :
      ( ~ pd0_0(X0,X1)
      | disjoint(X0,X1) ),
    inference(resolution,[status(thm)],[f98,f36]) ).

fof(f147,plain,
    ( disjoint(sk0_6,sk0_5)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f63,f116]) ).

fof(f149,plain,
    ( ~ disjoint(sk0_5,sk0_6)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f63,f60]) ).

fof(f151,plain,
    ( disjoint(sk0_5,sk0_6)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f147,f45]) ).

fof(f152,plain,
    ( $false
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f151,f149]) ).

fof(f153,plain,
    ~ spl0_0,
    inference(contradiction_clause,[status(thm)],[f152]) ).

fof(f154,plain,
    ! [X0] :
      ( ~ in(X0,sk0_7)
      | ~ in(X0,sk0_8)
      | ~ spl0_2 ),
    inference(resolution,[status(thm)],[f70,f51]) ).

fof(f157,plain,
    ( in(sk0_9,sk0_8)
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f66,f75]) ).

fof(f158,plain,
    ( in(sk0_9,sk0_7)
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f66,f74]) ).

fof(f171,plain,
    ( ~ in(sk0_9,sk0_7)
    | ~ spl0_2
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f154,f157]) ).

fof(f172,plain,
    ( $false
    | ~ spl0_2
    | ~ spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f171,f158]) ).

fof(f173,plain,
    ( ~ spl0_2
    | ~ spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f172]) ).

fof(f174,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f68,f72,f153,f173]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SEU120+2 : TPTP v8.1.2. Released v3.3.0.
% 0.06/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.32  % Computer : n002.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit : 300
% 0.10/0.32  % WCLimit  : 300
% 0.10/0.32  % DateTime : Mon Apr 29 20:03:54 EDT 2024
% 0.10/0.32  % CPUTime  : 
% 0.10/0.33  % Drodi V3.6.0
% 0.10/0.33  % Refutation found
% 0.10/0.33  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.33  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.10/0.34  % Elapsed time: 0.022907 seconds
% 0.10/0.34  % CPU time: 0.026692 seconds
% 0.10/0.34  % Total memory used: 11.204 MB
% 0.10/0.34  % Net memory used: 11.117 MB
%------------------------------------------------------------------------------