TSTP Solution File: SET666+3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET666+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n017.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 12:34:58 EDT 2023

% Result   : Theorem 0.15s 0.32s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   66 (  10 unt;   0 def)
%            Number of atoms       :  240 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  294 ( 120   ~; 120   |;  22   &)
%                                         (  10 <=>;  22  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   2 con; 0-2 aty)
%            Number of variables   :  125 (; 122   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ! [D] :
                ( ilf_type(D,subset_type(cross_product(B,C)))
               => ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ilf_type(E,relation_type(B,C))
               => ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => subset(identity_relation_of(B),cross_product(B,B)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ilf_type(C,identity_relation_of_type(B))
          <=> ilf_type(C,relation_type(B,B)) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ilf_type(C,subset_type(B))
          <=> ilf_type(C,member_type(power_set(B))) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( subset(B,C)
          <=> ! [D] :
                ( ilf_type(D,set_type)
               => ( member(D,B)
                 => member(D,C) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( member(B,power_set(C))
          <=> ! [D] :
                ( ilf_type(D,set_type)
               => ( member(D,B)
                 => member(D,C) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f17,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ( ~ empty(power_set(B))
        & ilf_type(power_set(B),set_type) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ( ~ empty(C)
            & ilf_type(C,set_type) )
         => ( ilf_type(B,member_type(C))
          <=> member(B,C) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f24,axiom,
    ! [B] : ilf_type(B,set_type),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f25,conjecture,
    ! [B] :
      ( ilf_type(B,set_type)
     => ilf_type(identity_relation_of(B),identity_relation_of_type(B)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f26,negated_conjecture,
    ~ ! [B] :
        ( ilf_type(B,set_type)
       => ilf_type(identity_relation_of(B),identity_relation_of_type(B)) ),
    inference(negated_conjecture,[status(cth)],[f25]) ).

fof(f27,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ! [D] :
                ( ~ ilf_type(D,subset_type(cross_product(B,C)))
                | ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ~ ilf_type(E,relation_type(B,C))
                | ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f28,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ilf_type(X2,relation_type(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f27]) ).

fof(f33,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | subset(identity_relation_of(B),cross_product(B,B)) ),
    inference(pre_NNF_transformation,[status(esa)],[f3]) ).

fof(f34,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | subset(identity_relation_of(X0),cross_product(X0,X0)) ),
    inference(cnf_transformation,[status(esa)],[f33]) ).

fof(f42,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ilf_type(C,identity_relation_of_type(B))
          <=> ilf_type(C,relation_type(B,B)) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f6]) ).

fof(f43,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ ilf_type(C,identity_relation_of_type(B))
              | ilf_type(C,relation_type(B,B)) )
            & ( ilf_type(C,identity_relation_of_type(B))
              | ~ ilf_type(C,relation_type(B,B)) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f42]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ilf_type(X1,identity_relation_of_type(X0))
      | ~ ilf_type(X1,relation_type(X0,X0)) ),
    inference(cnf_transformation,[status(esa)],[f43]) ).

fof(f60,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ilf_type(C,subset_type(B))
          <=> ilf_type(C,member_type(power_set(B))) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f61,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ ilf_type(C,subset_type(B))
              | ilf_type(C,member_type(power_set(B))) )
            & ( ilf_type(C,subset_type(B))
              | ~ ilf_type(C,member_type(power_set(B))) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f60]) ).

fof(f63,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ilf_type(X1,subset_type(X0))
      | ~ ilf_type(X1,member_type(power_set(X0))) ),
    inference(cnf_transformation,[status(esa)],[f61]) ).

fof(f67,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( subset(B,C)
          <=> ! [D] :
                ( ~ ilf_type(D,set_type)
                | ~ member(D,B)
                | member(D,C) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f14]) ).

fof(f68,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ subset(B,C)
              | ! [D] :
                  ( ~ ilf_type(D,set_type)
                  | ~ member(D,B)
                  | member(D,C) ) )
            & ( subset(B,C)
              | ? [D] :
                  ( ilf_type(D,set_type)
                  & member(D,B)
                  & ~ member(D,C) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f67]) ).

fof(f69,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ subset(B,C)
              | ! [D] :
                  ( ~ ilf_type(D,set_type)
                  | ~ member(D,B)
                  | member(D,C) ) )
            & ( subset(B,C)
              | ( ilf_type(sk0_4(C,B),set_type)
                & member(sk0_4(C,B),B)
                & ~ member(sk0_4(C,B),C) ) ) ) ) ),
    inference(skolemization,[status(esa)],[f68]) ).

fof(f70,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ subset(X0,X1)
      | ~ ilf_type(X2,set_type)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f69]) ).

fof(f76,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( member(B,power_set(C))
          <=> ! [D] :
                ( ~ ilf_type(D,set_type)
                | ~ member(D,B)
                | member(D,C) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f16]) ).

fof(f77,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ member(B,power_set(C))
              | ! [D] :
                  ( ~ ilf_type(D,set_type)
                  | ~ member(D,B)
                  | member(D,C) ) )
            & ( member(B,power_set(C))
              | ? [D] :
                  ( ilf_type(D,set_type)
                  & member(D,B)
                  & ~ member(D,C) ) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f76]) ).

fof(f78,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ( ~ member(B,power_set(C))
              | ! [D] :
                  ( ~ ilf_type(D,set_type)
                  | ~ member(D,B)
                  | member(D,C) ) )
            & ( member(B,power_set(C))
              | ( ilf_type(sk0_5(C,B),set_type)
                & member(sk0_5(C,B),B)
                & ~ member(sk0_5(C,B),C) ) ) ) ) ),
    inference(skolemization,[status(esa)],[f77]) ).

fof(f81,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | member(X0,power_set(X1))
      | member(sk0_5(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f78]) ).

fof(f82,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | member(X0,power_set(X1))
      | ~ member(sk0_5(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f78]) ).

fof(f83,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ~ empty(power_set(B))
        & ilf_type(power_set(B),set_type) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f17]) ).

fof(f84,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ empty(power_set(X0)) ),
    inference(cnf_transformation,[status(esa)],[f83]) ).

fof(f86,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( empty(C)
          | ~ ilf_type(C,set_type)
          | ( ilf_type(B,member_type(C))
          <=> member(B,C) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f18]) ).

fof(f87,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( empty(C)
          | ~ ilf_type(C,set_type)
          | ( ( ~ ilf_type(B,member_type(C))
              | member(B,C) )
            & ( ilf_type(B,member_type(C))
              | ~ member(B,C) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f86]) ).

fof(f89,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | empty(X1)
      | ~ ilf_type(X1,set_type)
      | ilf_type(X0,member_type(X1))
      | ~ member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f87]) ).

fof(f112,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[status(esa)],[f24]) ).

fof(f113,plain,
    ? [B] :
      ( ilf_type(B,set_type)
      & ~ ilf_type(identity_relation_of(B),identity_relation_of_type(B)) ),
    inference(pre_NNF_transformation,[status(esa)],[f26]) ).

fof(f114,plain,
    ( ilf_type(sk0_11,set_type)
    & ~ ilf_type(identity_relation_of(sk0_11),identity_relation_of_type(sk0_11)) ),
    inference(skolemization,[status(esa)],[f113]) ).

fof(f116,plain,
    ~ ilf_type(identity_relation_of(sk0_11),identity_relation_of_type(sk0_11)),
    inference(cnf_transformation,[status(esa)],[f114]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(X0,identity_relation_of_type(X1))
      | ~ ilf_type(X0,relation_type(X1,X1)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f45,f112]) ).

fof(f126,plain,
    ! [X0] : ~ empty(power_set(X0)),
    inference(forward_subsumption_resolution,[status(thm)],[f84,f112]) ).

fof(f133,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,subset_type(cross_product(X2,X0)))
      | ilf_type(X1,relation_type(X2,X0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f28,f112]) ).

fof(f146,plain,
    ! [X0] : subset(identity_relation_of(X0),cross_product(X0,X0)),
    inference(forward_subsumption_resolution,[status(thm)],[f34,f112]) ).

fof(f173,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | member(X1,power_set(X0))
      | member(sk0_5(X0,X1),X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[f81,f112]) ).

fof(f174,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | member(X1,power_set(X0))
      | ~ member(sk0_5(X0,X1),X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f82,f112]) ).

fof(f175,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | ~ member(sk0_5(X1,X0),X1) ),
    inference(resolution,[status(thm)],[f174,f112]) ).

fof(f190,plain,
    ! [X0,X1] :
      ( empty(X0)
      | ~ ilf_type(X0,set_type)
      | ilf_type(X1,member_type(X0))
      | ~ member(X1,X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f89,f112]) ).

fof(f191,plain,
    ! [X0,X1] :
      ( empty(X0)
      | ilf_type(X1,member_type(X0))
      | ~ member(X1,X0) ),
    inference(resolution,[status(thm)],[f190,f112]) ).

fof(f192,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(X0,subset_type(X1))
      | ~ ilf_type(X0,member_type(power_set(X1))) ),
    inference(forward_subsumption_resolution,[status(thm)],[f63,f112]) ).

fof(f193,plain,
    ! [X0,X1] :
      ( ilf_type(X0,subset_type(X1))
      | ~ ilf_type(X0,member_type(power_set(X1))) ),
    inference(resolution,[status(thm)],[f192,f112]) ).

fof(f196,plain,
    ! [X0,X1] :
      ( ilf_type(X0,subset_type(X1))
      | empty(power_set(X1))
      | ~ member(X0,power_set(X1)) ),
    inference(resolution,[status(thm)],[f193,f191]) ).

fof(f197,plain,
    ! [X0,X1] :
      ( ilf_type(X0,subset_type(X1))
      | ~ member(X0,power_set(X1)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f196,f126]) ).

fof(f258,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ subset(X1,X0)
      | ~ ilf_type(X2,set_type)
      | ~ member(X2,X1)
      | member(X2,X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f70,f112]) ).

fof(f259,plain,
    ! [X0,X1,X2] :
      ( ~ ilf_type(X0,set_type)
      | ~ subset(X1,X0)
      | ~ member(X2,X1)
      | member(X2,X0) ),
    inference(resolution,[status(thm)],[f258,f112]) ).

fof(f260,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(forward_subsumption_resolution,[status(thm)],[f259,f112]) ).

fof(f261,plain,
    ! [X0,X1] :
      ( ~ member(X0,identity_relation_of(X1))
      | member(X0,cross_product(X1,X1)) ),
    inference(resolution,[status(thm)],[f260,f146]) ).

fof(f262,plain,
    ! [X0,X1] :
      ( ~ member(sk0_5(cross_product(X0,X0),X1),identity_relation_of(X0))
      | member(X1,power_set(cross_product(X0,X0))) ),
    inference(resolution,[status(thm)],[f261,f175]) ).

fof(f266,plain,
    ! [X0] :
      ( member(identity_relation_of(X0),power_set(cross_product(X0,X0)))
      | ~ ilf_type(cross_product(X0,X0),set_type)
      | member(identity_relation_of(X0),power_set(cross_product(X0,X0))) ),
    inference(resolution,[status(thm)],[f262,f173]) ).

fof(f267,plain,
    ! [X0] :
      ( member(identity_relation_of(X0),power_set(cross_product(X0,X0)))
      | ~ ilf_type(cross_product(X0,X0),set_type) ),
    inference(duplicate_literals_removal,[status(esa)],[f266]) ).

fof(f268,plain,
    ! [X0] : member(identity_relation_of(X0),power_set(cross_product(X0,X0))),
    inference(forward_subsumption_resolution,[status(thm)],[f267,f112]) ).

fof(f269,plain,
    ! [X0] : ilf_type(identity_relation_of(X0),subset_type(cross_product(X0,X0))),
    inference(resolution,[status(thm)],[f268,f197]) ).

fof(f271,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(identity_relation_of(X0),relation_type(X0,X0)) ),
    inference(resolution,[status(thm)],[f269,f133]) ).

fof(f272,plain,
    ! [X0] : ilf_type(identity_relation_of(X0),relation_type(X0,X0)),
    inference(forward_subsumption_resolution,[status(thm)],[f271,f112]) ).

fof(f274,plain,
    ! [X0] :
      ( ~ ilf_type(identity_relation_of(X0),set_type)
      | ilf_type(identity_relation_of(X0),identity_relation_of_type(X0)) ),
    inference(resolution,[status(thm)],[f272,f123]) ).

fof(f275,plain,
    ! [X0] : ilf_type(identity_relation_of(X0),identity_relation_of_type(X0)),
    inference(forward_subsumption_resolution,[status(thm)],[f274,f112]) ).

fof(f276,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f116,f275]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : SET666+3 : TPTP v8.1.2. Released v2.2.0.
% 0.05/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.31  % Computer : n017.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Tue May 30 09:44:25 EDT 2023
% 0.10/0.31  % CPUTime  : 
% 0.15/0.31  % Drodi V3.5.1
% 0.15/0.32  % Refutation found
% 0.15/0.32  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.15/0.32  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.54  % Elapsed time: 0.013748 seconds
% 0.16/0.54  % CPU time: 0.017104 seconds
% 0.16/0.54  % Memory used: 3.059 MB
%------------------------------------------------------------------------------