TSTP Solution File: SEU327+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SEU327+1 : TPTP v8.1.2. Released v3.3.0.
% 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 12:36:43 EDT 2023

% Result   : Theorem 1.93s 0.63s
% Output   : CNFRefutation 1.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   57 (  19 unt;   0 def)
%            Number of atoms       :  110 (  47 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   94 (  41   ~;  33   |;   7   &)
%                                         (   3 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   3 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   3 con; 0-3 aty)
%            Number of variables   :   61 (;  59   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17,axiom,
    ! [A] : cast_to_subset(A) = A,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [A,B] :
      ( element(B,powerset(A))
     => subset_complement(A,B) = set_difference(A,B) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f26,axiom,
    ! [A,B] :
      ( element(B,powerset(powerset(A)))
     => element(union_of_subsets(A,B),powerset(A)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f44,axiom,
    ! [A,B] :
      ( element(B,powerset(powerset(A)))
     => union_of_subsets(A,B) = union(B) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f46,axiom,
    ! [A,B,C] :
      ( ( element(B,powerset(A))
        & element(C,powerset(A)) )
     => subset_difference(A,B,C) = set_difference(B,C) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f47,axiom,
    ! [A,B] : subset(A,A),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f48,conjecture,
    ! [A,B] :
      ( element(B,powerset(powerset(A)))
     => ( B != empty_set
       => meet_of_subsets(A,complements_of_subsets(A,B)) = subset_complement(A,union_of_subsets(A,B)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f49,negated_conjecture,
    ~ ! [A,B] :
        ( element(B,powerset(powerset(A)))
       => ( B != empty_set
         => meet_of_subsets(A,complements_of_subsets(A,B)) = subset_complement(A,union_of_subsets(A,B)) ) ),
    inference(negated_conjecture,[status(cth)],[f48]) ).

fof(f53,axiom,
    ! [A,B] :
      ( element(A,powerset(B))
    <=> subset(A,B) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f54,axiom,
    ! [A,B] :
      ( element(B,powerset(powerset(A)))
     => ( B != empty_set
       => subset_difference(A,cast_to_subset(A),union_of_subsets(A,B)) = meet_of_subsets(A,complements_of_subsets(A,B)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f117,plain,
    ! [X0] : cast_to_subset(X0) = X0,
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f118,plain,
    ! [A,B] :
      ( ~ element(B,powerset(A))
      | subset_complement(A,B) = set_difference(A,B) ),
    inference(pre_NNF_transformation,[status(esa)],[f18]) ).

fof(f119,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(X1))
      | subset_complement(X1,X0) = set_difference(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f118]) ).

fof(f123,plain,
    ! [A,B] :
      ( ~ element(B,powerset(powerset(A)))
      | element(union_of_subsets(A,B),powerset(A)) ),
    inference(pre_NNF_transformation,[status(esa)],[f26]) ).

fof(f124,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(powerset(X1)))
      | element(union_of_subsets(X1,X0),powerset(X1)) ),
    inference(cnf_transformation,[status(esa)],[f123]) ).

fof(f183,plain,
    ! [A,B] :
      ( ~ element(B,powerset(powerset(A)))
      | union_of_subsets(A,B) = union(B) ),
    inference(pre_NNF_transformation,[status(esa)],[f44]) ).

fof(f184,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(powerset(X1)))
      | union_of_subsets(X1,X0) = union(X0) ),
    inference(cnf_transformation,[status(esa)],[f183]) ).

fof(f187,plain,
    ! [A,B,C] :
      ( ~ element(B,powerset(A))
      | ~ element(C,powerset(A))
      | subset_difference(A,B,C) = set_difference(B,C) ),
    inference(pre_NNF_transformation,[status(esa)],[f46]) ).

fof(f188,plain,
    ! [X0,X1,X2] :
      ( ~ element(X0,powerset(X1))
      | ~ element(X2,powerset(X1))
      | subset_difference(X1,X0,X2) = set_difference(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f187]) ).

fof(f189,plain,
    ! [A] : subset(A,A),
    inference(miniscoping,[status(esa)],[f47]) ).

fof(f190,plain,
    ! [X0] : subset(X0,X0),
    inference(cnf_transformation,[status(esa)],[f189]) ).

fof(f191,plain,
    ? [A,B] :
      ( element(B,powerset(powerset(A)))
      & B != empty_set
      & meet_of_subsets(A,complements_of_subsets(A,B)) != subset_complement(A,union_of_subsets(A,B)) ),
    inference(pre_NNF_transformation,[status(esa)],[f49]) ).

fof(f192,plain,
    ( element(sk0_5,powerset(powerset(sk0_4)))
    & sk0_5 != empty_set
    & meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) != subset_complement(sk0_4,union_of_subsets(sk0_4,sk0_5)) ),
    inference(skolemization,[status(esa)],[f191]) ).

fof(f193,plain,
    element(sk0_5,powerset(powerset(sk0_4))),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f194,plain,
    sk0_5 != empty_set,
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f195,plain,
    meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) != subset_complement(sk0_4,union_of_subsets(sk0_4,sk0_5)),
    inference(cnf_transformation,[status(esa)],[f192]) ).

fof(f201,plain,
    ! [A,B] :
      ( ( ~ element(A,powerset(B))
        | subset(A,B) )
      & ( element(A,powerset(B))
        | ~ subset(A,B) ) ),
    inference(NNF_transformation,[status(esa)],[f53]) ).

fof(f202,plain,
    ( ! [A,B] :
        ( ~ element(A,powerset(B))
        | subset(A,B) )
    & ! [A,B] :
        ( element(A,powerset(B))
        | ~ subset(A,B) ) ),
    inference(miniscoping,[status(esa)],[f201]) ).

fof(f204,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f202]) ).

fof(f205,plain,
    ! [A,B] :
      ( ~ element(B,powerset(powerset(A)))
      | B = empty_set
      | subset_difference(A,cast_to_subset(A),union_of_subsets(A,B)) = meet_of_subsets(A,complements_of_subsets(A,B)) ),
    inference(pre_NNF_transformation,[status(esa)],[f54]) ).

fof(f206,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(powerset(X1)))
      | X0 = empty_set
      | subset_difference(X1,cast_to_subset(X1),union_of_subsets(X1,X0)) = meet_of_subsets(X1,complements_of_subsets(X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f205]) ).

fof(f233,plain,
    element(union_of_subsets(sk0_4,sk0_5),powerset(sk0_4)),
    inference(resolution,[status(thm)],[f124,f193]) ).

fof(f236,plain,
    subset_complement(sk0_4,union_of_subsets(sk0_4,sk0_5)) = set_difference(sk0_4,union_of_subsets(sk0_4,sk0_5)),
    inference(resolution,[status(thm)],[f233,f119]) ).

fof(f1491,plain,
    ! [X0] : element(X0,powerset(X0)),
    inference(resolution,[status(thm)],[f204,f190]) ).

fof(f3244,plain,
    union_of_subsets(sk0_4,sk0_5) = union(sk0_5),
    inference(resolution,[status(thm)],[f184,f193]) ).

fof(f3284,plain,
    ! [X0] :
      ( ~ element(X0,powerset(sk0_4))
      | subset_difference(sk0_4,X0,union_of_subsets(sk0_4,sk0_5)) = set_difference(X0,union_of_subsets(sk0_4,sk0_5)) ),
    inference(resolution,[status(thm)],[f188,f233]) ).

fof(f3694,plain,
    ! [X0,X1] :
      ( ~ element(X0,powerset(powerset(X1)))
      | X0 = empty_set
      | subset_difference(X1,X1,union_of_subsets(X1,X0)) = meet_of_subsets(X1,complements_of_subsets(X1,X0)) ),
    inference(forward_demodulation,[status(thm)],[f117,f206]) ).

fof(f3779,plain,
    ( spl0_478
  <=> sk0_5 = empty_set ),
    introduced(split_symbol_definition) ).

fof(f3780,plain,
    ( sk0_5 = empty_set
    | ~ spl0_478 ),
    inference(component_clause,[status(thm)],[f3779]) ).

fof(f3782,plain,
    ( spl0_479
  <=> subset_difference(sk0_4,sk0_4,union_of_subsets(sk0_4,sk0_5)) = meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) ),
    introduced(split_symbol_definition) ).

fof(f3783,plain,
    ( subset_difference(sk0_4,sk0_4,union_of_subsets(sk0_4,sk0_5)) = meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5))
    | ~ spl0_479 ),
    inference(component_clause,[status(thm)],[f3782]) ).

fof(f3785,plain,
    ( sk0_5 = empty_set
    | subset_difference(sk0_4,sk0_4,union_of_subsets(sk0_4,sk0_5)) = meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) ),
    inference(resolution,[status(thm)],[f3694,f193]) ).

fof(f3786,plain,
    ( spl0_478
    | spl0_479 ),
    inference(split_clause,[status(thm)],[f3785,f3779,f3782]) ).

fof(f3788,plain,
    ( $false
    | ~ spl0_478 ),
    inference(forward_subsumption_resolution,[status(thm)],[f3780,f194]) ).

fof(f3789,plain,
    ~ spl0_478,
    inference(contradiction_clause,[status(thm)],[f3788]) ).

fof(f4197,plain,
    subset_complement(sk0_4,union_of_subsets(sk0_4,sk0_5)) = set_difference(sk0_4,union(sk0_5)),
    inference(backward_demodulation,[status(thm)],[f3244,f236]) ).

fof(f4198,plain,
    subset_complement(sk0_4,union(sk0_5)) = set_difference(sk0_4,union(sk0_5)),
    inference(forward_demodulation,[status(thm)],[f3244,f4197]) ).

fof(f4629,plain,
    ( subset_difference(sk0_4,sk0_4,union(sk0_5)) = meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5))
    | ~ spl0_479 ),
    inference(forward_demodulation,[status(thm)],[f3244,f3783]) ).

fof(f5339,plain,
    meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) != subset_complement(sk0_4,union(sk0_5)),
    inference(forward_demodulation,[status(thm)],[f3244,f195]) ).

fof(f7192,plain,
    ! [X0] :
      ( ~ element(X0,powerset(sk0_4))
      | subset_difference(sk0_4,X0,union(sk0_5)) = set_difference(X0,union_of_subsets(sk0_4,sk0_5)) ),
    inference(forward_demodulation,[status(thm)],[f3244,f3284]) ).

fof(f7193,plain,
    ! [X0] :
      ( ~ element(X0,powerset(sk0_4))
      | subset_difference(sk0_4,X0,union(sk0_5)) = set_difference(X0,union(sk0_5)) ),
    inference(forward_demodulation,[status(thm)],[f3244,f7192]) ).

fof(f7218,plain,
    subset_difference(sk0_4,sk0_4,union(sk0_5)) = set_difference(sk0_4,union(sk0_5)),
    inference(resolution,[status(thm)],[f7193,f1491]) ).

fof(f7219,plain,
    ( meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) = set_difference(sk0_4,union(sk0_5))
    | ~ spl0_479 ),
    inference(forward_demodulation,[status(thm)],[f4629,f7218]) ).

fof(f7220,plain,
    ( meet_of_subsets(sk0_4,complements_of_subsets(sk0_4,sk0_5)) = subset_complement(sk0_4,union(sk0_5))
    | ~ spl0_479 ),
    inference(forward_demodulation,[status(thm)],[f4198,f7219]) ).

fof(f7221,plain,
    ( $false
    | ~ spl0_479 ),
    inference(forward_subsumption_resolution,[status(thm)],[f7220,f5339]) ).

fof(f7222,plain,
    ~ spl0_479,
    inference(contradiction_clause,[status(thm)],[f7221]) ).

fof(f7223,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f3786,f3789,f7222]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU327+1 : TPTP v8.1.2. Released v3.3.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n029.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Tue May 30 09:26:36 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.35  % Drodi V3.5.1
% 1.93/0.63  % Refutation found
% 1.93/0.63  % SZS status Theorem for theBenchmark: Theorem is valid
% 1.93/0.63  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 1.93/0.66  % Elapsed time: 0.309532 seconds
% 1.93/0.66  % CPU time: 2.257284 seconds
% 1.93/0.66  % Memory used: 95.393 MB
%------------------------------------------------------------------------------