TSTP Solution File: SET625+3 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET625+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n005.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 03:36:07 EDT 2022

% Result   : Theorem 0.13s 0.35s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   40 (  11 unt;   0 def)
%            Number of atoms       :   96 (   0 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  100 (  44   ~;  32   |;  14   &)
%                                         (   6 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   60 (   0 sgn  40   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(intersect_defn,axiom,
    ! [B,C] :
      ( intersect(B,C)
    <=> ? [D] :
          ( member(D,B)
          & member(D,C) ) ) ).

fof(subset_defn,axiom,
    ! [B,C] :
      ( subset(B,C)
    <=> ! [D] :
          ( member(D,B)
         => member(D,C) ) ) ).

fof(prove_th101,conjecture,
    ! [B,C,D] :
      ( ( intersect(B,C)
        & subset(C,D) )
     => intersect(B,D) ) ).

fof(subgoal_0,plain,
    ! [B,C,D] :
      ( ( intersect(B,C)
        & subset(C,D) )
     => intersect(B,D) ),
    inference(strip,[],[prove_th101]) ).

fof(negate_0_0,plain,
    ~ ! [B,C,D] :
        ( ( intersect(B,C)
          & subset(C,D) )
       => intersect(B,D) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [B,C,D] :
      ( ~ intersect(B,D)
      & intersect(B,C)
      & subset(C,D) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ~ intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2)
    & intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    & subset(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [B,C] :
      ( ~ intersect(B,C)
    <=> ! [D] :
          ( ~ member(D,B)
          | ~ member(D,C) ) ),
    inference(canonicalize,[],[intersect_defn]) ).

fof(normalize_0_4,plain,
    ! [B,C] :
      ( ~ intersect(B,C)
    <=> ! [D] :
          ( ~ member(D,B)
          | ~ member(D,C) ) ),
    inference(specialize,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [B,C,D] :
      ( ( ~ intersect(B,C)
        | member(skolemFOFtoCNF_D(B,C),B) )
      & ( ~ intersect(B,C)
        | member(skolemFOFtoCNF_D(B,C),C) )
      & ( ~ member(D,B)
        | ~ member(D,C)
        | intersect(B,C) ) ),
    inference(clausify,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [B,C] :
      ( ~ intersect(B,C)
      | member(skolemFOFtoCNF_D(B,C),B) ),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [B,C,D] :
      ( ~ member(D,B)
      | ~ member(D,C)
      | intersect(B,C) ),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_8,plain,
    ! [B,C] :
      ( ~ intersect(B,C)
      | member(skolemFOFtoCNF_D(B,C),C) ),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_9,plain,
    subset(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_10,plain,
    ! [B,C] :
      ( ~ subset(B,C)
    <=> ? [D] :
          ( ~ member(D,C)
          & member(D,B) ) ),
    inference(canonicalize,[],[subset_defn]) ).

fof(normalize_0_11,plain,
    ! [B,C] :
      ( ~ subset(B,C)
    <=> ? [D] :
          ( ~ member(D,C)
          & member(D,B) ) ),
    inference(specialize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [B,C,D] :
      ( ( ~ member(skolemFOFtoCNF_D_1(B,C),C)
        | subset(B,C) )
      & ( member(skolemFOFtoCNF_D_1(B,C),B)
        | subset(B,C) )
      & ( ~ member(D,B)
        | ~ subset(B,C)
        | member(D,C) ) ),
    inference(clausify,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ! [B,C,D] :
      ( ~ member(D,B)
      | ~ subset(B,C)
      | member(D,C) ),
    inference(conjunct,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ~ intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2),
    inference(conjunct,[],[normalize_0_1]) ).

cnf(refute_0_0,plain,
    intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C),
    inference(canonicalize,[],[normalize_0_2]) ).

cnf(refute_0_1,plain,
    ( ~ intersect(B,C)
    | member(skolemFOFtoCNF_D(B,C),B) ),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_2,plain,
    ( ~ intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_1:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_C))]]) ).

cnf(refute_0_3,plain,
    member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_B),
    inference(resolve,[$cnf( intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C) )],[refute_0_0,refute_0_2]) ).

cnf(refute_0_4,plain,
    ( ~ member(D,B)
    | ~ member(D,C)
    | intersect(B,C) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_5,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),X_18)
    | ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_B)
    | intersect(skolemFOFtoCNF_B,X_18) ),
    inference(subst,[],[refute_0_4:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(X_18)),bind(D,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C)))]]) ).

cnf(refute_0_6,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),X_18)
    | intersect(skolemFOFtoCNF_B,X_18) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_B) )],[refute_0_3,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_D_2)
    | intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_6:[bind(X_18,$fot(skolemFOFtoCNF_D_2))]]) ).

cnf(refute_0_8,plain,
    ( ~ intersect(B,C)
    | member(skolemFOFtoCNF_D(B,C),C) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_9,plain,
    ( ~ intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_C) ),
    inference(subst,[],[refute_0_8:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_C))]]) ).

cnf(refute_0_10,plain,
    member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_C),
    inference(resolve,[$cnf( intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_C) )],[refute_0_0,refute_0_9]) ).

cnf(refute_0_11,plain,
    subset(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_12,plain,
    ( ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_13,plain,
    ( ~ member(X_34,skolemFOFtoCNF_C)
    | ~ subset(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)
    | member(X_34,skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_12:[bind(B,$fot(skolemFOFtoCNF_C)),bind(C,$fot(skolemFOFtoCNF_D_2)),bind(D,$fot(X_34))]]) ).

cnf(refute_0_14,plain,
    ( ~ member(X_34,skolemFOFtoCNF_C)
    | member(X_34,skolemFOFtoCNF_D_2) ),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2) )],[refute_0_11,refute_0_13]) ).

cnf(refute_0_15,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_C)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_14:[bind(X_34,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C)))]]) ).

cnf(refute_0_16,plain,
    member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_D_2),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_C) )],[refute_0_10,refute_0_15]) ).

cnf(refute_0_17,plain,
    intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,skolemFOFtoCNF_C),skolemFOFtoCNF_D_2) )],[refute_0_16,refute_0_7]) ).

cnf(refute_0_18,plain,
    ~ intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_19,plain,
    $false,
    inference(resolve,[$cnf( intersect(skolemFOFtoCNF_B,skolemFOFtoCNF_D_2) )],[refute_0_17,refute_0_18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SET625+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % Command  : metis --show proof --show saturation %s
% 0.13/0.33  % Computer : n005.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul 10 11:15:07 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.35  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  
% 0.13/0.35  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.35  
%------------------------------------------------------------------------------