TSTP Solution File: SET914+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET914+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n016.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  : 600s
% DateTime : Tue Jul 19 03:38:18 EDT 2022

% Result   : Theorem 0.19s 0.47s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   63 (  18 unt;   0 def)
%            Number of atoms       :  172 (  64 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  192 (  83   ~;  70   |;  18   &)
%                                         (  18 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-3 aty)
%            Number of variables   :  116 (   7 sgn  69   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d1_xboole_0,axiom,
    ! [A] :
      ( A = empty_set
    <=> ! [B] : ~ in(B,A) ) ).

fof(d2_tarski,axiom,
    ! [A,B,C] :
      ( C = unordered_pair(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( D = A
            | D = B ) ) ) ).

fof(d3_xboole_0,axiom,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ) ).

fof(d7_xboole_0,axiom,
    ! [A,B] :
      ( disjoint(A,B)
    <=> set_intersection2(A,B) = empty_set ) ).

fof(symmetry_r1_xboole_0,axiom,
    ! [A,B] :
      ( disjoint(A,B)
     => disjoint(B,A) ) ).

fof(t55_zfmisc_1,conjecture,
    ! [A,B,C] :
      ~ ( disjoint(unordered_pair(A,B),C)
        & in(A,C) ) ).

fof(subgoal_0,plain,
    ! [A,B,C] :
      ( disjoint(unordered_pair(A,B),C)
     => ~ in(A,C) ),
    inference(strip,[],[t55_zfmisc_1]) ).

fof(negate_0_0,plain,
    ~ ! [A,B,C] :
        ( disjoint(unordered_pair(A,B),C)
       => ~ in(A,C) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [A,B,C] :
      ( C != unordered_pair(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( D = A
            | D = B ) ) ),
    inference(canonicalize,[],[d2_tarski]) ).

fof(normalize_0_1,plain,
    ! [A,B,C] :
      ( C != unordered_pair(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( D = A
            | D = B ) ) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [A,B,C,D] :
      ( ( C != unordered_pair(A,B)
        | D != A
        | in(D,C) )
      & ( C != unordered_pair(A,B)
        | D != B
        | in(D,C) )
      & ( skolemFOFtoCNF_D(A,B,C) != A
        | ~ in(skolemFOFtoCNF_D(A,B,C),C)
        | C = unordered_pair(A,B) )
      & ( skolemFOFtoCNF_D(A,B,C) != B
        | ~ in(skolemFOFtoCNF_D(A,B,C),C)
        | C = unordered_pair(A,B) )
      & ( C != unordered_pair(A,B)
        | ~ in(D,C)
        | D = A
        | D = B )
      & ( C = unordered_pair(A,B)
        | skolemFOFtoCNF_D(A,B,C) = A
        | skolemFOFtoCNF_D(A,B,C) = B
        | in(skolemFOFtoCNF_D(A,B,C),C) ) ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [A,B,C,D] :
      ( C != unordered_pair(A,B)
      | D != A
      | in(D,C) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ? [A,B,C] :
      ( disjoint(unordered_pair(A,B),C)
      & in(A,C) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_5,plain,
    ( disjoint(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_C)
    & in(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C) ),
    inference(skolemize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    in(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [A,B,C] :
      ( C != set_intersection2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    inference(canonicalize,[],[d3_xboole_0]) ).

fof(normalize_0_8,plain,
    ! [A,B,C] :
      ( C != set_intersection2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    inference(specialize,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [A,B,C,D] :
      ( ( C != set_intersection2(A,B)
        | ~ in(D,C)
        | in(D,A) )
      & ( C != set_intersection2(A,B)
        | ~ in(D,C)
        | in(D,B) )
      & ( C = set_intersection2(A,B)
        | in(skolemFOFtoCNF_D_1(A,B,C),A)
        | in(skolemFOFtoCNF_D_1(A,B,C),C) )
      & ( C = set_intersection2(A,B)
        | in(skolemFOFtoCNF_D_1(A,B,C),B)
        | in(skolemFOFtoCNF_D_1(A,B,C),C) )
      & ( C != set_intersection2(A,B)
        | ~ in(D,A)
        | ~ in(D,B)
        | in(D,C) )
      & ( ~ in(skolemFOFtoCNF_D_1(A,B,C),A)
        | ~ in(skolemFOFtoCNF_D_1(A,B,C),B)
        | ~ in(skolemFOFtoCNF_D_1(A,B,C),C)
        | C = set_intersection2(A,B) ) ),
    inference(clausify,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [A,B,C,D] :
      ( C != set_intersection2(A,B)
      | ~ in(D,A)
      | ~ in(D,B)
      | in(D,C) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    disjoint(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_C),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_12,plain,
    ! [A,B] :
      ( ~ disjoint(A,B)
      | disjoint(B,A) ),
    inference(canonicalize,[],[symmetry_r1_xboole_0]) ).

fof(normalize_0_13,plain,
    ! [A,B] :
      ( ~ disjoint(A,B)
      | disjoint(B,A) ),
    inference(specialize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [A,B] :
      ( set_intersection2(A,B) != empty_set
    <=> ~ disjoint(A,B) ),
    inference(canonicalize,[],[d7_xboole_0]) ).

fof(normalize_0_15,plain,
    ! [A,B] :
      ( set_intersection2(A,B) != empty_set
    <=> ~ disjoint(A,B) ),
    inference(specialize,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    ! [A,B] :
      ( ( set_intersection2(A,B) != empty_set
        | disjoint(A,B) )
      & ( ~ disjoint(A,B)
        | set_intersection2(A,B) = empty_set ) ),
    inference(clausify,[],[normalize_0_15]) ).

fof(normalize_0_17,plain,
    ! [A,B] :
      ( ~ disjoint(A,B)
      | set_intersection2(A,B) = empty_set ),
    inference(conjunct,[],[normalize_0_16]) ).

fof(normalize_0_18,plain,
    ! [A] :
      ( A != empty_set
    <=> ? [B] : in(B,A) ),
    inference(canonicalize,[],[d1_xboole_0]) ).

fof(normalize_0_19,plain,
    ! [A] :
      ( A != empty_set
    <=> ? [B] : in(B,A) ),
    inference(specialize,[],[normalize_0_18]) ).

fof(normalize_0_20,plain,
    ! [A,B] :
      ( ( A != empty_set
        | ~ in(B,A) )
      & ( A = empty_set
        | in(skolemFOFtoCNF_B(A),A) ) ),
    inference(clausify,[],[normalize_0_19]) ).

fof(normalize_0_21,plain,
    ! [A,B] :
      ( A != empty_set
      | ~ in(B,A) ),
    inference(conjunct,[],[normalize_0_20]) ).

cnf(refute_0_0,plain,
    ( C != unordered_pair(A,B)
    | D != A
    | in(D,C) ),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ( A != A
    | unordered_pair(A,B) != unordered_pair(A,B)
    | in(A,unordered_pair(A,B)) ),
    inference(subst,[],[refute_0_0:[bind(C,$fot(unordered_pair(A,B))),bind(D,$fot(A))]]) ).

cnf(refute_0_2,plain,
    A = A,
    introduced(tautology,[refl,[$fot(A)]]) ).

cnf(refute_0_3,plain,
    ( unordered_pair(A,B) != unordered_pair(A,B)
    | in(A,unordered_pair(A,B)) ),
    inference(resolve,[$cnf( $equal(A,A) )],[refute_0_2,refute_0_1]) ).

cnf(refute_0_4,plain,
    unordered_pair(A,B) = unordered_pair(A,B),
    introduced(tautology,[refl,[$fot(unordered_pair(A,B))]]) ).

cnf(refute_0_5,plain,
    in(A,unordered_pair(A,B)),
    inference(resolve,[$cnf( $equal(unordered_pair(A,B),unordered_pair(A,B)) )],[refute_0_4,refute_0_3]) ).

cnf(refute_0_6,plain,
    in(skolemFOFtoCNF_A_2,unordered_pair(skolemFOFtoCNF_A_2,B)),
    inference(subst,[],[refute_0_5:[bind(A,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_7,plain,
    in(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_8,plain,
    ( C != set_intersection2(A,B)
    | ~ in(D,A)
    | ~ in(D,B)
    | in(D,C) ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_9,plain,
    ( set_intersection2(A,B) != set_intersection2(A,B)
    | ~ in(D,A)
    | ~ in(D,B)
    | in(D,set_intersection2(A,B)) ),
    inference(subst,[],[refute_0_8:[bind(C,$fot(set_intersection2(A,B)))]]) ).

cnf(refute_0_10,plain,
    set_intersection2(A,B) = set_intersection2(A,B),
    introduced(tautology,[refl,[$fot(set_intersection2(A,B))]]) ).

cnf(refute_0_11,plain,
    ( ~ in(D,A)
    | ~ in(D,B)
    | in(D,set_intersection2(A,B)) ),
    inference(resolve,[$cnf( $equal(set_intersection2(A,B),set_intersection2(A,B)) )],[refute_0_10,refute_0_9]) ).

cnf(refute_0_12,plain,
    ( ~ in(skolemFOFtoCNF_A_2,X_130)
    | ~ in(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C)
    | in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,X_130)) ),
    inference(subst,[],[refute_0_11:[bind(A,$fot(skolemFOFtoCNF_C)),bind(B,$fot(X_130)),bind(D,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_13,plain,
    ( ~ in(skolemFOFtoCNF_A_2,X_130)
    | in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,X_130)) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C) )],[refute_0_7,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( ~ in(skolemFOFtoCNF_A_2,unordered_pair(skolemFOFtoCNF_A_2,B))
    | in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,B))) ),
    inference(subst,[],[refute_0_13:[bind(X_130,$fot(unordered_pair(skolemFOFtoCNF_A_2,B)))]]) ).

cnf(refute_0_15,plain,
    in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,B))),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_2,unordered_pair(skolemFOFtoCNF_A_2,B)) )],[refute_0_6,refute_0_14]) ).

cnf(refute_0_16,plain,
    in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))),
    inference(subst,[],[refute_0_15:[bind(B,$fot(skolemFOFtoCNF_B_1))]]) ).

cnf(refute_0_17,plain,
    disjoint(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_C),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_18,plain,
    ( ~ disjoint(A,B)
    | disjoint(B,A) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_19,plain,
    ( ~ disjoint(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_C)
    | disjoint(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) ),
    inference(subst,[],[refute_0_18:[bind(A,$fot(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))),bind(B,$fot(skolemFOFtoCNF_C))]]) ).

cnf(refute_0_20,plain,
    disjoint(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),
    inference(resolve,[$cnf( disjoint(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_C) )],[refute_0_17,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ disjoint(A,B)
    | set_intersection2(A,B) = empty_set ),
    inference(canonicalize,[],[normalize_0_17]) ).

cnf(refute_0_22,plain,
    ( ~ disjoint(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))
    | set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) = empty_set ),
    inference(subst,[],[refute_0_21:[bind(A,$fot(skolemFOFtoCNF_C)),bind(B,$fot(unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)))]]) ).

cnf(refute_0_23,plain,
    set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) = empty_set,
    inference(resolve,[$cnf( disjoint(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) )],[refute_0_20,refute_0_22]) ).

cnf(refute_0_24,plain,
    ( set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) != empty_set
    | ~ in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)))
    | in(skolemFOFtoCNF_A_2,empty_set) ),
    introduced(tautology,[equality,[$cnf( in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))) ),[1],$fot(empty_set)]]) ).

cnf(refute_0_25,plain,
    ( ~ in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)))
    | in(skolemFOFtoCNF_A_2,empty_set) ),
    inference(resolve,[$cnf( $equal(set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),empty_set) )],[refute_0_23,refute_0_24]) ).

cnf(refute_0_26,plain,
    in(skolemFOFtoCNF_A_2,empty_set),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_C,unordered_pair(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))) )],[refute_0_16,refute_0_25]) ).

cnf(refute_0_27,plain,
    ( A != empty_set
    | ~ in(B,A) ),
    inference(canonicalize,[],[normalize_0_21]) ).

cnf(refute_0_28,plain,
    ( empty_set != empty_set
    | ~ in(B,empty_set) ),
    inference(subst,[],[refute_0_27:[bind(A,$fot(empty_set))]]) ).

cnf(refute_0_29,plain,
    empty_set = empty_set,
    introduced(tautology,[refl,[$fot(empty_set)]]) ).

cnf(refute_0_30,plain,
    ~ in(B,empty_set),
    inference(resolve,[$cnf( $equal(empty_set,empty_set) )],[refute_0_29,refute_0_28]) ).

cnf(refute_0_31,plain,
    ~ in(skolemFOFtoCNF_A_2,empty_set),
    inference(subst,[],[refute_0_30:[bind(B,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_32,plain,
    $false,
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_2,empty_set) )],[refute_0_26,refute_0_31]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET914+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n016.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 15:44:41 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.19/0.47  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  
% 0.19/0.47  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.19/0.47  
%------------------------------------------------------------------------------