TSTP Solution File: SET949+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET949+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n029.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 12:35:35 EDT 2023

% Result   : Theorem 0.06s 0.27s
% Output   : CNFRefutation 0.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   21 (   4 unt;   0 def)
%            Number of atoms       :   81 (  23 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   98 (  38   ~;  31   |;  24   &)
%                                         (   5 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   8 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-5 aty)
%            Number of functors    :   10 (  10 usr;   3 con; 0-4 aty)
%            Number of variables   :  115 (;  95   !;  20   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f3,axiom,
    ! [A,B,C] :
      ( C = cartesian_product2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ? [E,F] :
              ( in(E,A)
              & in(F,B)
              & D = ordered_pair(E,F) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,conjecture,
    ! [A,B,C] :
      ~ ( in(A,cartesian_product2(B,C))
        & ! [D,E] : ordered_pair(D,E) != A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,negated_conjecture,
    ~ ! [A,B,C] :
        ~ ( in(A,cartesian_product2(B,C))
          & ! [D,E] : ordered_pair(D,E) != A ),
    inference(negated_conjecture,[status(cth)],[f8]) ).

fof(f13,plain,
    ! [A,B,D,E,F] :
      ( pd0_0(F,E,D,B,A)
    <=> ( in(E,A)
        & in(F,B)
        & D = ordered_pair(E,F) ) ),
    introduced(predicate_definition,[f3]) ).

fof(f14,plain,
    ! [A,B,C] :
      ( C = cartesian_product2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ? [E,F] : pd0_0(F,E,D,B,A) ) ),
    inference(formula_renaming,[status(thm)],[f3,f13]) ).

fof(f15,plain,
    ! [A,B,C] :
      ( ( C != cartesian_product2(A,B)
        | ! [D] :
            ( ( ~ in(D,C)
              | ? [E,F] : pd0_0(F,E,D,B,A) )
            & ( in(D,C)
              | ! [E,F] : ~ pd0_0(F,E,D,B,A) ) ) )
      & ( C = cartesian_product2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ! [E,F] : ~ pd0_0(F,E,D,B,A) )
            & ( in(D,C)
              | ? [E,F] : pd0_0(F,E,D,B,A) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f14]) ).

fof(f16,plain,
    ( ! [A,B,C] :
        ( C != cartesian_product2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | ? [E,F] : pd0_0(F,E,D,B,A) )
          & ! [D] :
              ( in(D,C)
              | ! [E,F] : ~ pd0_0(F,E,D,B,A) ) ) )
    & ! [A,B,C] :
        ( C = cartesian_product2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ! [E,F] : ~ pd0_0(F,E,D,B,A) )
            & ( in(D,C)
              | ? [E,F] : pd0_0(F,E,D,B,A) ) ) ) ),
    inference(miniscoping,[status(esa)],[f15]) ).

fof(f17,plain,
    ( ! [A,B,C] :
        ( C != cartesian_product2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | pd0_0(sk0_1(D,C,B,A),sk0_0(D,C,B,A),D,B,A) )
          & ! [D] :
              ( in(D,C)
              | ! [E,F] : ~ pd0_0(F,E,D,B,A) ) ) )
    & ! [A,B,C] :
        ( C = cartesian_product2(A,B)
        | ( ( ~ in(sk0_2(C,B,A),C)
            | ! [E,F] : ~ pd0_0(F,E,sk0_2(C,B,A),B,A) )
          & ( in(sk0_2(C,B,A),C)
            | pd0_0(sk0_4(C,B,A),sk0_3(C,B,A),sk0_2(C,B,A),B,A) ) ) ) ),
    inference(skolemization,[status(esa)],[f16]) ).

fof(f18,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(X1,X2)
      | ~ in(X3,X0)
      | pd0_0(sk0_1(X3,X0,X2,X1),sk0_0(X3,X0,X2,X1),X3,X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f28,plain,
    ? [A,B,C] :
      ( in(A,cartesian_product2(B,C))
      & ! [D,E] : ordered_pair(D,E) != A ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f29,plain,
    ? [A] :
      ( ? [B,C] : in(A,cartesian_product2(B,C))
      & ! [D,E] : ordered_pair(D,E) != A ),
    inference(miniscoping,[status(esa)],[f28]) ).

fof(f30,plain,
    ( in(sk0_7,cartesian_product2(sk0_8,sk0_9))
    & ! [D,E] : ordered_pair(D,E) != sk0_7 ),
    inference(skolemization,[status(esa)],[f29]) ).

fof(f31,plain,
    in(sk0_7,cartesian_product2(sk0_8,sk0_9)),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f32,plain,
    ! [X0,X1] : ordered_pair(X0,X1) != sk0_7,
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f33,plain,
    ! [A,B,D,E,F] :
      ( ( ~ pd0_0(F,E,D,B,A)
        | ( in(E,A)
          & in(F,B)
          & D = ordered_pair(E,F) ) )
      & ( pd0_0(F,E,D,B,A)
        | ~ in(E,A)
        | ~ in(F,B)
        | D != ordered_pair(E,F) ) ),
    inference(NNF_transformation,[status(esa)],[f13]) ).

fof(f34,plain,
    ( ! [A,B,D,E,F] :
        ( ~ pd0_0(F,E,D,B,A)
        | ( in(E,A)
          & in(F,B)
          & D = ordered_pair(E,F) ) )
    & ! [A,B,D,E,F] :
        ( pd0_0(F,E,D,B,A)
        | ~ in(E,A)
        | ~ in(F,B)
        | D != ordered_pair(E,F) ) ),
    inference(miniscoping,[status(esa)],[f33]) ).

fof(f37,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ pd0_0(X0,X1,X2,X3,X4)
      | X2 = ordered_pair(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f34]) ).

fof(f39,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,cartesian_product2(X1,X2))
      | pd0_0(sk0_1(X0,cartesian_product2(X1,X2),X2,X1),sk0_0(X0,cartesian_product2(X1,X2),X2,X1),X0,X2,X1) ),
    inference(destructive_equality_resolution,[status(esa)],[f18]) ).

fof(f61,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,cartesian_product2(X1,X2))
      | X0 = ordered_pair(sk0_0(X0,cartesian_product2(X1,X2),X2,X1),sk0_1(X0,cartesian_product2(X1,X2),X2,X1)) ),
    inference(resolution,[status(thm)],[f39,f37]) ).

fof(f62,plain,
    ! [X0,X1] : ~ in(sk0_7,cartesian_product2(X0,X1)),
    inference(resolution,[status(thm)],[f61,f32]) ).

fof(f63,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f31,f62]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07  % Problem  : SET949+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.07  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.06/0.26  % Computer : n029.cluster.edu
% 0.06/0.26  % Model    : x86_64 x86_64
% 0.06/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.26  % Memory   : 8042.1875MB
% 0.06/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.26  % CPULimit : 300
% 0.06/0.26  % WCLimit  : 300
% 0.06/0.26  % DateTime : Tue May 30 10:32:06 EDT 2023
% 0.06/0.26  % CPUTime  : 
% 0.06/0.26  % Drodi V3.5.1
% 0.06/0.27  % Refutation found
% 0.06/0.27  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.06/0.27  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.06/0.28  % Elapsed time: 0.013571 seconds
% 0.06/0.28  % CPU time: 0.019461 seconds
% 0.06/0.28  % Memory used: 14.319 MB
%------------------------------------------------------------------------------