TSTP Solution File: SEU166+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SEU166+3 : TPTP v8.1.2. Released v3.2.0.
% 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 12:36:05 EDT 2023

% Result   : Theorem 4.54s 1.02s
% Output   : CNFRefutation 4.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   65 (   4 unt;   0 def)
%            Number of atoms       :  243 (  60 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  312 ( 134   ~; 136   |;  30   &)
%                                         (   9 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   7 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-5 aty)
%            Number of functors    :   12 (  12 usr;   4 con; 0-4 aty)
%            Number of variables   :  240 (; 217   !;  23   ?)

% 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/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( in(C,A)
         => in(C,B) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,conjecture,
    ! [A,B,C] :
      ( subset(A,B)
     => ( subset(cartesian_product2(A,C),cartesian_product2(B,C))
        & subset(cartesian_product2(C,A),cartesian_product2(C,B)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,negated_conjecture,
    ~ ! [A,B,C] :
        ( subset(A,B)
       => ( subset(cartesian_product2(A,C),cartesian_product2(B,C))
          & subset(cartesian_product2(C,A),cartesian_product2(C,B)) ) ),
    inference(negated_conjecture,[status(cth)],[f10]) ).

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

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

fof(f18,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)],[f17]) ).

fof(f19,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)],[f18]) ).

fof(f20,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)],[f19]) ).

fof(f21,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( X0 != cartesian_product2(X1,X2)
      | in(X3,X0)
      | ~ pd0_0(X4,X5,X3,X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f19]) ).

fof(f24,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( ~ in(C,A)
          | in(C,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f4]) ).

fof(f25,plain,
    ! [A,B] :
      ( ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
      & ( subset(A,B)
        | ? [C] :
            ( in(C,A)
            & ~ in(C,B) ) ) ),
    inference(NNF_transformation,[status(esa)],[f24]) ).

fof(f26,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ? [C] :
            ( in(C,A)
            & ~ in(C,B) ) ) ),
    inference(miniscoping,[status(esa)],[f25]) ).

fof(f27,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [C] :
            ( ~ in(C,A)
            | in(C,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( in(sk0_5(B,A),A)
          & ~ in(sk0_5(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f26]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ in(X2,X0)
      | in(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f27]) ).

fof(f29,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | in(sk0_5(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f27]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ in(sk0_5(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f27]) ).

fof(f39,plain,
    ? [A,B,C] :
      ( subset(A,B)
      & ( ~ subset(cartesian_product2(A,C),cartesian_product2(B,C))
        | ~ subset(cartesian_product2(C,A),cartesian_product2(C,B)) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f11]) ).

fof(f40,plain,
    ? [A,B] :
      ( subset(A,B)
      & ( ? [C] : ~ subset(cartesian_product2(A,C),cartesian_product2(B,C))
        | ? [C] : ~ subset(cartesian_product2(C,A),cartesian_product2(C,B)) ) ),
    inference(miniscoping,[status(esa)],[f39]) ).

fof(f41,plain,
    ( subset(sk0_8,sk0_9)
    & ( ~ subset(cartesian_product2(sk0_8,sk0_10),cartesian_product2(sk0_9,sk0_10))
      | ~ subset(cartesian_product2(sk0_11,sk0_8),cartesian_product2(sk0_11,sk0_9)) ) ),
    inference(skolemization,[status(esa)],[f40]) ).

fof(f42,plain,
    subset(sk0_8,sk0_9),
    inference(cnf_transformation,[status(esa)],[f41]) ).

fof(f43,plain,
    ( ~ subset(cartesian_product2(sk0_8,sk0_10),cartesian_product2(sk0_9,sk0_10))
    | ~ subset(cartesian_product2(sk0_11,sk0_8),cartesian_product2(sk0_11,sk0_9)) ),
    inference(cnf_transformation,[status(esa)],[f41]) ).

fof(f44,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)],[f15]) ).

fof(f45,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)],[f44]) ).

fof(f46,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ pd0_0(X0,X1,X2,X3,X4)
      | in(X1,X4) ),
    inference(cnf_transformation,[status(esa)],[f45]) ).

fof(f47,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ pd0_0(X0,X1,X2,X3,X4)
      | in(X0,X3) ),
    inference(cnf_transformation,[status(esa)],[f45]) ).

fof(f48,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ pd0_0(X0,X1,X2,X3,X4)
      | X2 = ordered_pair(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f45]) ).

fof(f49,plain,
    ! [X0,X1,X2,X3,X4] :
      ( pd0_0(X0,X1,X2,X3,X4)
      | ~ in(X1,X4)
      | ~ in(X0,X3)
      | X2 != ordered_pair(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f45]) ).

fof(f50,plain,
    ( spl0_0
  <=> subset(cartesian_product2(sk0_8,sk0_10),cartesian_product2(sk0_9,sk0_10)) ),
    introduced(split_symbol_definition) ).

fof(f52,plain,
    ( ~ subset(cartesian_product2(sk0_8,sk0_10),cartesian_product2(sk0_9,sk0_10))
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f50]) ).

fof(f53,plain,
    ( spl0_1
  <=> subset(cartesian_product2(sk0_11,sk0_8),cartesian_product2(sk0_11,sk0_9)) ),
    introduced(split_symbol_definition) ).

fof(f55,plain,
    ( ~ subset(cartesian_product2(sk0_11,sk0_8),cartesian_product2(sk0_11,sk0_9))
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f53]) ).

fof(f56,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f43,f50,f53]) ).

fof(f57,plain,
    ! [X0] :
      ( ~ in(X0,sk0_8)
      | in(X0,sk0_9) ),
    inference(resolution,[status(thm)],[f28,f42]) ).

fof(f73,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(X1,X2)
      | ~ in(X3,X0)
      | in(sk0_1(X3,X0,X2,X1),X2) ),
    inference(resolution,[status(thm)],[f20,f47]) ).

fof(f74,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(X1,X2)
      | ~ in(X3,X0)
      | in(sk0_0(X3,X0,X2,X1),X1) ),
    inference(resolution,[status(thm)],[f20,f46]) ).

fof(f77,plain,
    ! [X0,X1,X2,X3] :
      ( X0 = ordered_pair(sk0_0(X0,X1,X2,X3),sk0_1(X0,X1,X2,X3))
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1) ),
    inference(resolution,[status(thm)],[f48,f20]) ).

fof(f117,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( ~ in(X0,X1)
      | ~ in(X2,X3)
      | X4 != ordered_pair(X0,X2)
      | X5 != cartesian_product2(X1,X3)
      | in(X4,X5) ),
    inference(resolution,[status(thm)],[f49,f21]) ).

fof(f159,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] :
      ( ~ in(sk0_0(X0,X1,X2,X3),X4)
      | ~ in(sk0_1(X0,X1,X2,X3),X5)
      | X6 != cartesian_product2(X4,X5)
      | in(X0,X6)
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1) ),
    inference(resolution,[status(thm)],[f117,f77]) ).

fof(f329,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( ~ in(sk0_0(X0,X1,X2,X3),X4)
      | X5 != cartesian_product2(X4,X2)
      | in(X0,X5)
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1)
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1) ),
    inference(resolution,[status(thm)],[f159,f73]) ).

fof(f330,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( ~ in(sk0_0(X0,X1,X2,X3),X4)
      | X5 != cartesian_product2(X4,X2)
      | in(X0,X5)
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f329]) ).

fof(f334,plain,
    ! [X0,X1,X2,X3,X4,X5] :
      ( ~ in(sk0_0(X0,X1,X2,X3),X4)
      | X5 != cartesian_product2(X4,sk0_9)
      | in(X0,X5)
      | X1 != cartesian_product2(X3,X2)
      | ~ in(X0,X1)
      | ~ in(sk0_1(X0,X1,X2,X3),sk0_8) ),
    inference(resolution,[status(thm)],[f159,f57]) ).

fof(f1043,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ in(sk0_0(X0,X1,sk0_8,X2),X3)
      | X4 != cartesian_product2(X3,sk0_9)
      | in(X0,X4)
      | X1 != cartesian_product2(X2,sk0_8)
      | ~ in(X0,X1)
      | X1 != cartesian_product2(X2,sk0_8)
      | ~ in(X0,X1) ),
    inference(resolution,[status(thm)],[f334,f73]) ).

fof(f1044,plain,
    ! [X0,X1,X2,X3,X4] :
      ( ~ in(sk0_0(X0,X1,sk0_8,X2),X3)
      | X4 != cartesian_product2(X3,sk0_9)
      | in(X0,X4)
      | X1 != cartesian_product2(X2,sk0_8)
      | ~ in(X0,X1) ),
    inference(duplicate_literals_removal,[status(esa)],[f1043]) ).

fof(f1045,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(X1,sk0_9)
      | in(X2,X0)
      | X3 != cartesian_product2(X1,sk0_8)
      | ~ in(X2,X3)
      | X3 != cartesian_product2(X1,sk0_8)
      | ~ in(X2,X3) ),
    inference(resolution,[status(thm)],[f1044,f74]) ).

fof(f1046,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(X1,sk0_9)
      | in(X2,X0)
      | X3 != cartesian_product2(X1,sk0_8)
      | ~ in(X2,X3) ),
    inference(duplicate_literals_removal,[status(esa)],[f1045]) ).

fof(f1055,plain,
    ! [X0,X1,X2] :
      ( in(X0,cartesian_product2(X1,sk0_9))
      | X2 != cartesian_product2(X1,sk0_8)
      | ~ in(X0,X2) ),
    inference(equality_resolution,[status(esa)],[f1046]) ).

fof(f1074,plain,
    ! [X0,X1,X2] :
      ( X0 != cartesian_product2(X1,sk0_8)
      | ~ in(sk0_5(cartesian_product2(X1,sk0_9),X2),X0)
      | subset(X2,cartesian_product2(X1,sk0_9)) ),
    inference(resolution,[status(thm)],[f1055,f30]) ).

fof(f1081,plain,
    ! [X0,X1] :
      ( X0 != cartesian_product2(X1,sk0_8)
      | subset(X0,cartesian_product2(X1,sk0_9))
      | subset(X0,cartesian_product2(X1,sk0_9)) ),
    inference(resolution,[status(thm)],[f1074,f29]) ).

fof(f1082,plain,
    ! [X0,X1] :
      ( X0 != cartesian_product2(X1,sk0_8)
      | subset(X0,cartesian_product2(X1,sk0_9)) ),
    inference(duplicate_literals_removal,[status(esa)],[f1081]) ).

fof(f1086,plain,
    ( cartesian_product2(sk0_11,sk0_8) != cartesian_product2(sk0_11,sk0_8)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f1082,f55]) ).

fof(f1087,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f1086]) ).

fof(f1088,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f1087]) ).

fof(f1374,plain,
    ! [X0,X1,X2,X3,X4] :
      ( X0 != cartesian_product2(sk0_9,X1)
      | in(X2,X0)
      | X3 != cartesian_product2(X4,X1)
      | ~ in(X2,X3)
      | ~ in(sk0_0(X2,X3,X1,X4),sk0_8) ),
    inference(resolution,[status(thm)],[f330,f57]) ).

fof(f2397,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(sk0_9,X1)
      | in(X2,X0)
      | X3 != cartesian_product2(sk0_8,X1)
      | ~ in(X2,X3)
      | X3 != cartesian_product2(sk0_8,X1)
      | ~ in(X2,X3) ),
    inference(resolution,[status(thm)],[f1374,f74]) ).

fof(f2398,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != cartesian_product2(sk0_9,X1)
      | in(X2,X0)
      | X3 != cartesian_product2(sk0_8,X1)
      | ~ in(X2,X3) ),
    inference(duplicate_literals_removal,[status(esa)],[f2397]) ).

fof(f2400,plain,
    ! [X0,X1,X2] :
      ( in(X0,cartesian_product2(sk0_9,X1))
      | X2 != cartesian_product2(sk0_8,X1)
      | ~ in(X0,X2) ),
    inference(equality_resolution,[status(esa)],[f2398]) ).

fof(f2436,plain,
    ! [X0,X1,X2] :
      ( X0 != cartesian_product2(sk0_8,X1)
      | ~ in(sk0_5(cartesian_product2(sk0_9,X1),X2),X0)
      | subset(X2,cartesian_product2(sk0_9,X1)) ),
    inference(resolution,[status(thm)],[f2400,f30]) ).

fof(f2448,plain,
    ! [X0,X1] :
      ( X0 != cartesian_product2(sk0_8,X1)
      | subset(X0,cartesian_product2(sk0_9,X1))
      | subset(X0,cartesian_product2(sk0_9,X1)) ),
    inference(resolution,[status(thm)],[f2436,f29]) ).

fof(f2449,plain,
    ! [X0,X1] :
      ( X0 != cartesian_product2(sk0_8,X1)
      | subset(X0,cartesian_product2(sk0_9,X1)) ),
    inference(duplicate_literals_removal,[status(esa)],[f2448]) ).

fof(f2459,plain,
    ( cartesian_product2(sk0_8,sk0_10) != cartesian_product2(sk0_8,sk0_10)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f2449,f52]) ).

fof(f2460,plain,
    ( $false
    | spl0_0 ),
    inference(trivial_equality_resolution,[status(esa)],[f2459]) ).

fof(f2461,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f2460]) ).

fof(f2462,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f56,f1088,f2461]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU166+3 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n022.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Tue May 30 09:13:27 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  % Drodi V3.5.1
% 4.54/1.02  % Refutation found
% 4.54/1.02  % SZS status Theorem for theBenchmark: Theorem is valid
% 4.54/1.02  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 4.54/1.05  % Elapsed time: 0.681183 seconds
% 4.54/1.05  % CPU time: 5.299604 seconds
% 4.54/1.05  % Memory used: 115.723 MB
%------------------------------------------------------------------------------