TSTP Solution File: SET090+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SET090+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n027.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 : Tue Apr 30 20:39:04 EDT 2024

% Result   : Theorem 0.21s 0.50s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   73 (  11 unt;   0 def)
%            Number of atoms       :  172 (  58 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  168 (  69   ~;  72   |;  13   &)
%                                         (  10 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   12 (  10 usr;  10 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   50 (  48   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [U,X,Y] :
      ( member(U,unordered_pair(X,Y))
    <=> ( member(U,universal_class)
        & ( U = X
          | U = Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [X,Y] : member(unordered_pair(X,Y),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X] : singleton(X) = unordered_pair(X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f44,axiom,
    ! [Y] :
      ( member(Y,universal_class)
     => member(member_of(singleton(Y)),universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f45,axiom,
    ! [Y] :
      ( member(Y,universal_class)
     => singleton(member_of(singleton(Y))) = singleton(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f47,axiom,
    ! [X] :
      ( singleton(member_of(X)) = X
      | member_of(X) = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f48,conjecture,
    ! [X,U] :
      ( ( member(U,universal_class)
        & X = singleton(U) )
     => member_of(X) = U ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f49,negated_conjecture,
    ~ ! [X,U] :
        ( ( member(U,universal_class)
          & X = singleton(U) )
       => member_of(X) = U ),
    inference(negated_conjecture,[status(cth)],[f48]) ).

fof(f63,plain,
    ! [U,X,Y] :
      ( ( ~ member(U,unordered_pair(X,Y))
        | ( member(U,universal_class)
          & ( U = X
            | U = Y ) ) )
      & ( member(U,unordered_pair(X,Y))
        | ~ member(U,universal_class)
        | ( U != X
          & U != Y ) ) ),
    inference(NNF_transformation,[status(esa)],[f4]) ).

fof(f64,plain,
    ( ! [U,X,Y] :
        ( ~ member(U,unordered_pair(X,Y))
        | ( member(U,universal_class)
          & ( U = X
            | U = Y ) ) )
    & ! [U,X,Y] :
        ( member(U,unordered_pair(X,Y))
        | ~ member(U,universal_class)
        | ( U != X
          & U != Y ) ) ),
    inference(miniscoping,[status(esa)],[f63]) ).

fof(f66,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[status(esa)],[f64]) ).

fof(f67,plain,
    ! [X0,X1,X2] :
      ( member(X0,unordered_pair(X1,X2))
      | ~ member(X0,universal_class)
      | X0 != X1 ),
    inference(cnf_transformation,[status(esa)],[f64]) ).

fof(f69,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f70,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f195,plain,
    ! [Y] :
      ( ~ member(Y,universal_class)
      | member(member_of(singleton(Y)),universal_class) ),
    inference(pre_NNF_transformation,[status(esa)],[f44]) ).

fof(f196,plain,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | member(member_of(singleton(X0)),universal_class) ),
    inference(cnf_transformation,[status(esa)],[f195]) ).

fof(f197,plain,
    ! [Y] :
      ( ~ member(Y,universal_class)
      | singleton(member_of(singleton(Y))) = singleton(Y) ),
    inference(pre_NNF_transformation,[status(esa)],[f45]) ).

fof(f198,plain,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | singleton(member_of(singleton(X0))) = singleton(X0) ),
    inference(cnf_transformation,[status(esa)],[f197]) ).

fof(f200,plain,
    ! [X0] :
      ( singleton(member_of(X0)) = X0
      | member_of(X0) = X0 ),
    inference(cnf_transformation,[status(esa)],[f47]) ).

fof(f201,plain,
    ? [X,U] :
      ( member(U,universal_class)
      & X = singleton(U)
      & member_of(X) != U ),
    inference(pre_NNF_transformation,[status(esa)],[f49]) ).

fof(f202,plain,
    ( member(sk0_8,universal_class)
    & sk0_7 = singleton(sk0_8)
    & member_of(sk0_7) != sk0_8 ),
    inference(skolemization,[status(esa)],[f201]) ).

fof(f203,plain,
    member(sk0_8,universal_class),
    inference(cnf_transformation,[status(esa)],[f202]) ).

fof(f204,plain,
    sk0_7 = singleton(sk0_8),
    inference(cnf_transformation,[status(esa)],[f202]) ).

fof(f205,plain,
    member_of(sk0_7) != sk0_8,
    inference(cnf_transformation,[status(esa)],[f202]) ).

fof(f208,plain,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    inference(destructive_equality_resolution,[status(esa)],[f67]) ).

fof(f212,plain,
    ( spl0_0
  <=> member(sk0_8,universal_class) ),
    introduced(split_symbol_definition) ).

fof(f214,plain,
    ( ~ member(sk0_8,universal_class)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f212]) ).

fof(f215,plain,
    ( spl0_1
  <=> member(member_of(sk0_7),universal_class) ),
    introduced(split_symbol_definition) ).

fof(f216,plain,
    ( member(member_of(sk0_7),universal_class)
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f215]) ).

fof(f218,plain,
    ( ~ member(sk0_8,universal_class)
    | member(member_of(sk0_7),universal_class) ),
    inference(paramodulation,[status(thm)],[f204,f196]) ).

fof(f219,plain,
    ( ~ spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f218,f212,f215]) ).

fof(f220,plain,
    ( $false
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f214,f203]) ).

fof(f221,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f220]) ).

fof(f222,plain,
    ( spl0_2
  <=> singleton(member_of(sk0_7)) = singleton(sk0_8) ),
    introduced(split_symbol_definition) ).

fof(f223,plain,
    ( singleton(member_of(sk0_7)) = singleton(sk0_8)
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f222]) ).

fof(f225,plain,
    ( ~ member(sk0_8,universal_class)
    | singleton(member_of(sk0_7)) = singleton(sk0_8) ),
    inference(paramodulation,[status(thm)],[f204,f198]) ).

fof(f226,plain,
    ( ~ spl0_0
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f225,f212,f222]) ).

fof(f227,plain,
    ( singleton(member_of(sk0_7)) = sk0_7
    | ~ spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f204,f223]) ).

fof(f231,plain,
    ( spl0_4
  <=> member_of(sk0_7) = sk0_7 ),
    introduced(split_symbol_definition) ).

fof(f232,plain,
    ( member_of(sk0_7) = sk0_7
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f231]) ).

fof(f245,plain,
    ! [X0] : member(singleton(X0),universal_class),
    inference(paramodulation,[status(thm)],[f70,f69]) ).

fof(f247,plain,
    ! [X0] :
      ( member(X0,universal_class)
      | member_of(X0) = X0 ),
    inference(paramodulation,[status(thm)],[f200,f245]) ).

fof(f255,plain,
    ( spl0_7
  <=> member(sk0_7,universal_class) ),
    introduced(split_symbol_definition) ).

fof(f260,plain,
    ( member(sk0_7,universal_class)
    | member(sk0_7,universal_class)
    | ~ spl0_1 ),
    inference(paramodulation,[status(thm)],[f247,f216]) ).

fof(f261,plain,
    ( spl0_7
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f260,f255,f215]) ).

fof(f262,plain,
    ( spl0_8
  <=> sk0_7 = sk0_8 ),
    introduced(split_symbol_definition) ).

fof(f278,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1
      | X0 = X1 ),
    inference(paramodulation,[status(thm)],[f70,f66]) ).

fof(f279,plain,
    ! [X0,X1] :
      ( ~ member(X0,singleton(X1))
      | X0 = X1 ),
    inference(duplicate_literals_removal,[status(esa)],[f278]) ).

fof(f283,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | X0 = member_of(X1)
      | member_of(X1) = X1 ),
    inference(paramodulation,[status(thm)],[f200,f279]) ).

fof(f305,plain,
    ( spl0_13
  <=> member(sk0_8,sk0_7) ),
    introduced(split_symbol_definition) ).

fof(f306,plain,
    ( member(sk0_8,sk0_7)
    | ~ spl0_13 ),
    inference(component_clause,[status(thm)],[f305]) ).

fof(f403,plain,
    ( singleton(sk0_7) = sk0_7
    | ~ spl0_4
    | ~ spl0_2 ),
    inference(backward_demodulation,[status(thm)],[f232,f227]) ).

fof(f455,plain,
    ( spl0_34
  <=> member_of(sk0_7) = sk0_8 ),
    introduced(split_symbol_definition) ).

fof(f456,plain,
    ( member_of(sk0_7) = sk0_8
    | ~ spl0_34 ),
    inference(component_clause,[status(thm)],[f455]) ).

fof(f492,plain,
    ( spl0_37
  <=> singleton(member_of(sk0_7)) = singleton(sk0_7) ),
    introduced(split_symbol_definition) ).

fof(f493,plain,
    ( singleton(member_of(sk0_7)) = singleton(sk0_7)
    | ~ spl0_37 ),
    inference(component_clause,[status(thm)],[f492]) ).

fof(f495,plain,
    ( ~ member(sk0_7,universal_class)
    | singleton(member_of(sk0_7)) = singleton(sk0_7)
    | ~ spl0_4
    | ~ spl0_2 ),
    inference(paramodulation,[status(thm)],[f403,f198]) ).

fof(f496,plain,
    ( ~ spl0_7
    | spl0_37
    | ~ spl0_4
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f495,f255,f492,f231,f222]) ).

fof(f523,plain,
    ( sk0_7 = singleton(sk0_7)
    | ~ spl0_2
    | ~ spl0_37 ),
    inference(forward_demodulation,[status(thm)],[f227,f493]) ).

fof(f524,plain,
    ! [X0] :
      ( ~ member(X0,sk0_7)
      | X0 = sk0_7
      | ~ spl0_2
      | ~ spl0_37 ),
    inference(paramodulation,[status(thm)],[f523,f279]) ).

fof(f754,plain,
    ( sk0_7 != sk0_8
    | ~ spl0_4 ),
    inference(backward_demodulation,[status(thm)],[f232,f205]) ).

fof(f792,plain,
    ( ~ spl0_8
    | ~ spl0_4 ),
    inference(split_clause,[status(thm)],[f754,f262,f231]) ).

fof(f954,plain,
    ! [X0] :
      ( member(X0,singleton(X0))
      | ~ member(X0,universal_class) ),
    inference(paramodulation,[status(thm)],[f70,f208]) ).

fof(f963,plain,
    ( member(sk0_8,sk0_7)
    | ~ member(sk0_8,universal_class) ),
    inference(paramodulation,[status(thm)],[f204,f954]) ).

fof(f964,plain,
    ( spl0_13
    | ~ spl0_0 ),
    inference(split_clause,[status(thm)],[f963,f305,f212]) ).

fof(f970,plain,
    ( sk0_8 = member_of(sk0_7)
    | member_of(sk0_7) = sk0_7
    | ~ spl0_13 ),
    inference(resolution,[status(thm)],[f306,f283]) ).

fof(f971,plain,
    ( spl0_34
    | spl0_4
    | ~ spl0_13 ),
    inference(split_clause,[status(thm)],[f970,f455,f231,f305]) ).

fof(f1028,plain,
    ( sk0_8 = sk0_7
    | ~ spl0_2
    | ~ spl0_37
    | ~ spl0_13 ),
    inference(resolution,[status(thm)],[f524,f306]) ).

fof(f1029,plain,
    ( spl0_8
    | ~ spl0_2
    | ~ spl0_37
    | ~ spl0_13 ),
    inference(split_clause,[status(thm)],[f1028,f262,f222,f492,f305]) ).

fof(f1055,plain,
    ( sk0_8 != sk0_8
    | ~ spl0_34 ),
    inference(forward_demodulation,[status(thm)],[f456,f205]) ).

fof(f1056,plain,
    ( $false
    | ~ spl0_34 ),
    inference(trivial_equality_resolution,[status(esa)],[f1055]) ).

fof(f1057,plain,
    ~ spl0_34,
    inference(contradiction_clause,[status(thm)],[f1056]) ).

fof(f1058,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f219,f221,f226,f261,f496,f792,f964,f971,f1029,f1057]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET090+1 : TPTP v8.1.2. Bugfixed v7.3.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.35  % Computer : n027.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Mon Apr 29 21:56:02 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.21/0.37  % Drodi V3.6.0
% 0.21/0.50  % Refutation found
% 0.21/0.50  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.21/0.50  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/0.52  % Elapsed time: 0.148797 seconds
% 0.21/0.52  % CPU time: 1.000514 seconds
% 0.21/0.52  % Total memory used: 80.251 MB
% 0.21/0.52  % Net memory used: 78.484 MB
%------------------------------------------------------------------------------