TSTP Solution File: SEU130+2 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SEU130+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n012.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 12:38:35 EDT 2022

% Result   : Theorem 0.20s 0.45s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   68 (  38 unt;   0 def)
%            Number of atoms       :  103 (  60 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   69 (  34   ~;  28   |;   2   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   89 (   5 sgn  46   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(commutativity_k2_xboole_0,axiom,
    ! [A,B] : set_union2(A,B) = set_union2(B,A) ).

fof(commutativity_k3_xboole_0,axiom,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A) ).

fof(idempotence_k3_xboole_0,axiom,
    ! [A,B] : set_intersection2(A,A) = A ).

fof(t12_xboole_1,lemma,
    ! [A,B] :
      ( subset(A,B)
     => set_union2(A,B) = B ) ).

fof(t17_xboole_1,lemma,
    ! [A,B] : subset(set_intersection2(A,B),A) ).

fof(t26_xboole_1,lemma,
    ! [A,B,C] :
      ( subset(A,B)
     => subset(set_intersection2(A,C),set_intersection2(B,C)) ) ).

fof(t28_xboole_1,conjecture,
    ! [A,B] :
      ( subset(A,B)
     => set_intersection2(A,B) = A ) ).

fof(subgoal_0,plain,
    ! [A,B] :
      ( subset(A,B)
     => set_intersection2(A,B) = A ),
    inference(strip,[],[t28_xboole_1]) ).

fof(negate_0_0,plain,
    ~ ! [A,B] :
        ( subset(A,B)
       => set_intersection2(A,B) = A ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [A,B] :
      ( ~ subset(A,B)
      | set_union2(A,B) = B ),
    inference(canonicalize,[],[t12_xboole_1]) ).

fof(normalize_0_1,plain,
    ! [A,B] :
      ( ~ subset(A,B)
      | set_union2(A,B) = B ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [A,B] :
      ( set_intersection2(A,B) != A
      & subset(A,B) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_3,plain,
    ( set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) != skolemFOFtoCNF_A_2
    & subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [A,B] :
      ( ~ subset(A,B)
      | ! [C] : subset(set_intersection2(A,C),set_intersection2(B,C)) ),
    inference(canonicalize,[],[t26_xboole_1]) ).

fof(normalize_0_6,plain,
    ! [A,B] :
      ( ~ subset(A,B)
      | ! [C] : subset(set_intersection2(A,C),set_intersection2(B,C)) ),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [A,B,C] :
      ( ~ subset(A,B)
      | subset(set_intersection2(A,C),set_intersection2(B,C)) ),
    inference(clausify,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [A] : set_intersection2(A,A) = A,
    inference(canonicalize,[],[idempotence_k3_xboole_0]) ).

fof(normalize_0_9,plain,
    ! [A] : set_intersection2(A,A) = A,
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    inference(canonicalize,[],[commutativity_k3_xboole_0]) ).

fof(normalize_0_11,plain,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    inference(specialize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [A,B] : subset(set_intersection2(A,B),A),
    inference(canonicalize,[],[t17_xboole_1]) ).

fof(normalize_0_13,plain,
    ! [A,B] : subset(set_intersection2(A,B),A),
    inference(specialize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [A,B] : set_union2(A,B) = set_union2(B,A),
    inference(canonicalize,[],[commutativity_k2_xboole_0]) ).

fof(normalize_0_15,plain,
    ! [A,B] : set_union2(A,B) = set_union2(B,A),
    inference(specialize,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) != skolemFOFtoCNF_A_2,
    inference(conjunct,[],[normalize_0_3]) ).

cnf(refute_0_0,plain,
    ( ~ subset(A,B)
    | set_union2(A,B) = B ),
    inference(canonicalize,[],[normalize_0_1]) ).

cnf(refute_0_1,plain,
    ( ~ subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))
    | set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)))]]) ).

cnf(refute_0_2,plain,
    subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_3,plain,
    ( ~ subset(A,B)
    | subset(set_intersection2(A,C),set_intersection2(B,C)) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_4,plain,
    ( ~ subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)
    | subset(set_intersection2(skolemFOFtoCNF_A_2,X_167),set_intersection2(skolemFOFtoCNF_B_1,X_167)) ),
    inference(subst,[],[refute_0_3:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(skolemFOFtoCNF_B_1)),bind(C,$fot(X_167))]]) ).

cnf(refute_0_5,plain,
    subset(set_intersection2(skolemFOFtoCNF_A_2,X_167),set_intersection2(skolemFOFtoCNF_B_1,X_167)),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) )],[refute_0_2,refute_0_4]) ).

cnf(refute_0_6,plain,
    subset(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)),
    inference(subst,[],[refute_0_5:[bind(X_167,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_7,plain,
    set_intersection2(A,A) = A,
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_8,plain,
    set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2) = skolemFOFtoCNF_A_2,
    inference(subst,[],[refute_0_7:[bind(A,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_9,plain,
    ( set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2) != skolemFOFtoCNF_A_2
    | ~ subset(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2))
    | subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) ),
    introduced(tautology,[equality,[$cnf( subset(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) ),[0],$fot(skolemFOFtoCNF_A_2)]]) ).

cnf(refute_0_10,plain,
    ( ~ subset(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2))
    | subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) ),
    inference(resolve,[$cnf( $equal(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)),
    inference(resolve,[$cnf( subset(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) )],[refute_0_6,refute_0_10]) ).

cnf(refute_0_12,plain,
    set_intersection2(A,B) = set_intersection2(B,A),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_13,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_14,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_15,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_13,refute_0_14]) ).

cnf(refute_0_16,plain,
    ( set_intersection2(A,B) != set_intersection2(B,A)
    | set_intersection2(B,A) = set_intersection2(A,B) ),
    inference(subst,[],[refute_0_15:[bind(X,$fot(set_intersection2(A,B))),bind(Y,$fot(set_intersection2(B,A)))]]) ).

cnf(refute_0_17,plain,
    set_intersection2(B,A) = set_intersection2(A,B),
    inference(resolve,[$cnf( $equal(set_intersection2(A,B),set_intersection2(B,A)) )],[refute_0_12,refute_0_16]) ).

cnf(refute_0_18,plain,
    set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2) = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(subst,[],[refute_0_17:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(skolemFOFtoCNF_B_1))]]) ).

cnf(refute_0_19,plain,
    ( set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2) != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)
    | ~ subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2))
    | subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) ),
    introduced(tautology,[equality,[$cnf( subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) ),[1],$fot(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1))]]) ).

cnf(refute_0_20,plain,
    ( ~ subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2))
    | subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) ),
    inference(resolve,[$cnf( $equal(set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2),set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) )],[refute_0_18,refute_0_19]) ).

cnf(refute_0_21,plain,
    subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_B_1,skolemFOFtoCNF_A_2)) )],[refute_0_11,refute_0_20]) ).

cnf(refute_0_22,plain,
    set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) )],[refute_0_21,refute_0_1]) ).

cnf(refute_0_23,plain,
    subset(set_intersection2(A,B),A),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_24,plain,
    subset(set_intersection2(X_62,B),X_62),
    inference(subst,[],[refute_0_23:[bind(A,$fot(X_62))]]) ).

cnf(refute_0_25,plain,
    ( ~ subset(set_intersection2(X_62,B),X_62)
    | set_union2(set_intersection2(X_62,B),X_62) = X_62 ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(set_intersection2(X_62,B))),bind(B,$fot(X_62))]]) ).

cnf(refute_0_26,plain,
    set_union2(set_intersection2(X_62,B),X_62) = X_62,
    inference(resolve,[$cnf( subset(set_intersection2(X_62,B),X_62) )],[refute_0_24,refute_0_25]) ).

cnf(refute_0_27,plain,
    set_union2(A,B) = set_union2(B,A),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_28,plain,
    ( set_union2(A,B) != set_union2(B,A)
    | set_union2(B,A) = set_union2(A,B) ),
    inference(subst,[],[refute_0_15:[bind(X,$fot(set_union2(A,B))),bind(Y,$fot(set_union2(B,A)))]]) ).

cnf(refute_0_29,plain,
    set_union2(B,A) = set_union2(A,B),
    inference(resolve,[$cnf( $equal(set_union2(A,B),set_union2(B,A)) )],[refute_0_27,refute_0_28]) ).

cnf(refute_0_30,plain,
    set_union2(set_intersection2(X_62,B),X_62) = set_union2(X_62,set_intersection2(X_62,B)),
    inference(subst,[],[refute_0_29:[bind(A,$fot(X_62)),bind(B,$fot(set_intersection2(X_62,B)))]]) ).

cnf(refute_0_31,plain,
    ( set_union2(set_intersection2(X_62,B),X_62) != X_62
    | set_union2(set_intersection2(X_62,B),X_62) != set_union2(X_62,set_intersection2(X_62,B))
    | set_union2(X_62,set_intersection2(X_62,B)) = X_62 ),
    introduced(tautology,[equality,[$cnf( $equal(set_union2(set_intersection2(X_62,B),X_62),X_62) ),[0],$fot(set_union2(X_62,set_intersection2(X_62,B)))]]) ).

cnf(refute_0_32,plain,
    ( set_union2(set_intersection2(X_62,B),X_62) != X_62
    | set_union2(X_62,set_intersection2(X_62,B)) = X_62 ),
    inference(resolve,[$cnf( $equal(set_union2(set_intersection2(X_62,B),X_62),set_union2(X_62,set_intersection2(X_62,B))) )],[refute_0_30,refute_0_31]) ).

cnf(refute_0_33,plain,
    set_union2(X_62,set_intersection2(X_62,B)) = X_62,
    inference(resolve,[$cnf( $equal(set_union2(set_intersection2(X_62,B),X_62),X_62) )],[refute_0_26,refute_0_32]) ).

cnf(refute_0_34,plain,
    set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) = skolemFOFtoCNF_A_2,
    inference(subst,[],[refute_0_33:[bind(B,$fot(skolemFOFtoCNF_B_1)),bind(X_62,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_35,plain,
    ( set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)
    | set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) != skolemFOFtoCNF_A_2
    | skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) ),
    introduced(tautology,[equality,[$cnf( $equal(set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) ),[0],$fot(skolemFOFtoCNF_A_2)]]) ).

cnf(refute_0_36,plain,
    ( set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)
    | skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) ),
    inference(resolve,[$cnf( $equal(set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),skolemFOFtoCNF_A_2) )],[refute_0_34,refute_0_35]) ).

cnf(refute_0_37,plain,
    skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(resolve,[$cnf( $equal(set_union2(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)),set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) )],[refute_0_22,refute_0_36]) ).

cnf(refute_0_38,plain,
    set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) != skolemFOFtoCNF_A_2,
    inference(canonicalize,[],[normalize_0_16]) ).

cnf(refute_0_39,plain,
    ( skolemFOFtoCNF_A_2 != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)
    | set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1) = skolemFOFtoCNF_A_2 ),
    inference(subst,[],[refute_0_15:[bind(X,$fot(skolemFOFtoCNF_A_2)),bind(Y,$fot(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)))]]) ).

cnf(refute_0_40,plain,
    skolemFOFtoCNF_A_2 != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),
    inference(resolve,[$cnf( $equal(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1),skolemFOFtoCNF_A_2) )],[refute_0_39,refute_0_38]) ).

cnf(refute_0_41,plain,
    $false,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B_1)) )],[refute_0_37,refute_0_40]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SEU130+2 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.35  % Computer : n012.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  : 600
% 0.13/0.35  % DateTime : Sun Jun 19 03:27:08 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.20/0.45  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.45  
% 0.20/0.45  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.20/0.46  
%------------------------------------------------------------------------------