TSTP Solution File: SET679+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET679+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n032.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 12:35:00 EDT 2023

% Result   : Theorem 0.09s 0.31s
% Output   : CNFRefutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   35 (   9 unt;   0 def)
%            Number of atoms       :  103 (   8 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  122 (  54   ~;  41   |;  12   &)
%                                         (   6 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   45 (;  43   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( member(C,B)
          <=> member(ordered_pair(C,C),identity_relation_of(B)) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ~ member(B,empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( not_equal(B,C)
          <=> B != C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ( empty(B)
      <=> ! [C] :
            ( ilf_type(C,set_type)
           => ~ member(C,B) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f23,axiom,
    ! [B] : ilf_type(B,set_type),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f24,conjecture,
    ! [B] :
      ( ( ~ empty(B)
        & ilf_type(B,set_type) )
     => not_equal(identity_relation_of(B),empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f25,negated_conjecture,
    ~ ! [B] :
        ( ( ~ empty(B)
          & ilf_type(B,set_type) )
       => not_equal(identity_relation_of(B),empty_set) ),
    inference(negated_conjecture,[status(cth)],[f24]) ).

fof(f26,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( member(C,B)
          <=> member(ordered_pair(C,C),identity_relation_of(B)) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f27,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ member(C,B)
              | member(ordered_pair(C,C),identity_relation_of(B)) )
            & ( member(C,B)
              | ~ member(ordered_pair(C,C),identity_relation_of(B)) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f26]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ member(X1,X0)
      | member(ordered_pair(X1,X1),identity_relation_of(X0)) ),
    inference(cnf_transformation,[status(esa)],[f27]) ).

fof(f30,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ~ member(B,empty_set) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f31,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ member(X0,empty_set) ),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f49,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( not_equal(B,C)
          <=> B != C ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f8]) ).

fof(f50,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ not_equal(B,C)
              | B != C )
            & ( not_equal(B,C)
              | B = C ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f49]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | not_equal(X0,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f50]) ).

fof(f53,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( empty(B)
      <=> ! [C] :
            ( ~ ilf_type(C,set_type)
            | ~ member(C,B) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f54,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ( ~ empty(B)
          | ! [C] :
              ( ~ ilf_type(C,set_type)
              | ~ member(C,B) ) )
        & ( empty(B)
          | ? [C] :
              ( ilf_type(C,set_type)
              & member(C,B) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f53]) ).

fof(f55,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ( ~ empty(B)
          | ! [C] :
              ( ~ ilf_type(C,set_type)
              | ~ member(C,B) ) )
        & ( empty(B)
          | ( ilf_type(sk0_1(B),set_type)
            & member(sk0_1(B),B) ) ) ) ),
    inference(skolemization,[status(esa)],[f54]) ).

fof(f58,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | empty(X0)
      | member(sk0_1(X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f55]) ).

fof(f107,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[status(esa)],[f23]) ).

fof(f108,plain,
    ? [B] :
      ( ~ empty(B)
      & ilf_type(B,set_type)
      & ~ not_equal(identity_relation_of(B),empty_set) ),
    inference(pre_NNF_transformation,[status(esa)],[f25]) ).

fof(f109,plain,
    ( ~ empty(sk0_9)
    & ilf_type(sk0_9,set_type)
    & ~ not_equal(identity_relation_of(sk0_9),empty_set) ),
    inference(skolemization,[status(esa)],[f108]) ).

fof(f110,plain,
    ~ empty(sk0_9),
    inference(cnf_transformation,[status(esa)],[f109]) ).

fof(f112,plain,
    ~ not_equal(identity_relation_of(sk0_9),empty_set),
    inference(cnf_transformation,[status(esa)],[f109]) ).

fof(f118,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ member(X0,X1)
      | member(ordered_pair(X0,X0),identity_relation_of(X1)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f28,f107]) ).

fof(f120,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(forward_subsumption_resolution,[status(thm)],[f31,f107]) ).

fof(f122,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | not_equal(X1,X0)
      | X1 = X0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f52,f107]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( not_equal(X0,X1)
      | X0 = X1 ),
    inference(resolution,[status(thm)],[f122,f107]) ).

fof(f124,plain,
    identity_relation_of(sk0_9) = empty_set,
    inference(resolution,[status(thm)],[f123,f112]) ).

fof(f126,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ member(X0,sk0_9)
      | member(ordered_pair(X0,X0),empty_set) ),
    inference(paramodulation,[status(thm)],[f124,f118]) ).

fof(f127,plain,
    ! [X0] :
      ( ~ member(X0,sk0_9)
      | member(ordered_pair(X0,X0),empty_set) ),
    inference(forward_subsumption_resolution,[status(thm)],[f126,f107]) ).

fof(f128,plain,
    ! [X0] : ~ member(X0,sk0_9),
    inference(forward_subsumption_resolution,[status(thm)],[f127,f120]) ).

fof(f152,plain,
    ! [X0] :
      ( empty(X0)
      | member(sk0_1(X0),X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f58,f107]) ).

fof(f153,plain,
    empty(sk0_9),
    inference(resolution,[status(thm)],[f152,f128]) ).

fof(f154,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f153,f110]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.09  % Problem  : SET679+3 : TPTP v8.1.2. Released v2.2.0.
% 0.09/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n032.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue May 30 10:19:15 EDT 2023
% 0.09/0.30  % CPUTime  : 
% 0.09/0.30  % Drodi V3.5.1
% 0.09/0.31  % Refutation found
% 0.09/0.31  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.09/0.31  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.53  % Elapsed time: 0.012791 seconds
% 0.14/0.53  % CPU time: 0.012175 seconds
% 0.14/0.53  % Memory used: 2.970 MB
%------------------------------------------------------------------------------