TSTP Solution File: SET811+4 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n007.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 12:35:14 EDT 2023

% Result   : Theorem 0.10s 0.34s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   56 (   9 unt;   0 def)
%            Number of atoms       :  180 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  195 (  71   ~;  72   |;  38   &)
%                                         (   8 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    8 (   7 usr;   2 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-3 aty)
%            Number of variables   :  120 (; 114   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( member(X,A)
         => member(X,B) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] :
      ( equal_set(A,B)
    <=> ( subset(A,B)
        & subset(B,A) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [A] :
      ( member(A,on)
    <=> ( set(A)
        & strict_well_order(member_predicate,A)
        & ! [X] :
            ( member(X,A)
           => subset(X,A) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [X,Y] :
      ( apply(member_predicate,X,Y)
    <=> member(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [X,R,A,Y] :
      ( member(Y,initial_segment(X,R,A))
    <=> ( member(Y,A)
        & apply(R,Y,X) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f20,conjecture,
    ! [A] :
      ( member(A,on)
     => ! [X] :
          ( member(X,A)
         => equal_set(X,initial_segment(X,member_predicate,A)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f21,negated_conjecture,
    ~ ! [A] :
        ( member(A,on)
       => ! [X] :
            ( member(X,A)
           => equal_set(X,initial_segment(X,member_predicate,A)) ) ),
    inference(negated_conjecture,[status(cth)],[f20]) ).

fof(f22,plain,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [X] :
          ( ~ member(X,A)
          | member(X,B) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f1]) ).

fof(f23,plain,
    ! [A,B] :
      ( ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
      & ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(NNF_transformation,[status(esa)],[f22]) ).

fof(f24,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ? [X] :
            ( member(X,A)
            & ~ member(X,B) ) ) ),
    inference(miniscoping,[status(esa)],[f23]) ).

fof(f25,plain,
    ( ! [A,B] :
        ( ~ subset(A,B)
        | ! [X] :
            ( ~ member(X,A)
            | member(X,B) ) )
    & ! [A,B] :
        ( subset(A,B)
        | ( member(sk0_0(B,A),A)
          & ~ member(sk0_0(B,A),B) ) ) ),
    inference(skolemization,[status(esa)],[f24]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ~ subset(X0,X1)
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f25]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sk0_0(X1,X0),X0) ),
    inference(cnf_transformation,[status(esa)],[f25]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f25]) ).

fof(f29,plain,
    ! [A,B] :
      ( ( ~ equal_set(A,B)
        | ( subset(A,B)
          & subset(B,A) ) )
      & ( equal_set(A,B)
        | ~ subset(A,B)
        | ~ subset(B,A) ) ),
    inference(NNF_transformation,[status(esa)],[f2]) ).

fof(f30,plain,
    ( ! [A,B] :
        ( ~ equal_set(A,B)
        | ( subset(A,B)
          & subset(B,A) ) )
    & ! [A,B] :
        ( equal_set(A,B)
        | ~ subset(A,B)
        | ~ subset(B,A) ) ),
    inference(miniscoping,[status(esa)],[f29]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X0,X1)
      | ~ subset(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f30]) ).

fof(f76,plain,
    ! [A] :
      ( member(A,on)
    <=> ( set(A)
        & strict_well_order(member_predicate,A)
        & ! [X] :
            ( ~ member(X,A)
            | subset(X,A) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f12]) ).

fof(f77,plain,
    ! [A] :
      ( ( ~ member(A,on)
        | ( set(A)
          & strict_well_order(member_predicate,A)
          & ! [X] :
              ( ~ member(X,A)
              | subset(X,A) ) ) )
      & ( member(A,on)
        | ~ set(A)
        | ~ strict_well_order(member_predicate,A)
        | ? [X] :
            ( member(X,A)
            & ~ subset(X,A) ) ) ),
    inference(NNF_transformation,[status(esa)],[f76]) ).

fof(f78,plain,
    ( ! [A] :
        ( ~ member(A,on)
        | ( set(A)
          & strict_well_order(member_predicate,A)
          & ! [X] :
              ( ~ member(X,A)
              | subset(X,A) ) ) )
    & ! [A] :
        ( member(A,on)
        | ~ set(A)
        | ~ strict_well_order(member_predicate,A)
        | ? [X] :
            ( member(X,A)
            & ~ subset(X,A) ) ) ),
    inference(miniscoping,[status(esa)],[f77]) ).

fof(f79,plain,
    ( ! [A] :
        ( ~ member(A,on)
        | ( set(A)
          & strict_well_order(member_predicate,A)
          & ! [X] :
              ( ~ member(X,A)
              | subset(X,A) ) ) )
    & ! [A] :
        ( member(A,on)
        | ~ set(A)
        | ~ strict_well_order(member_predicate,A)
        | ( member(sk0_3(A),A)
          & ~ subset(sk0_3(A),A) ) ) ),
    inference(skolemization,[status(esa)],[f78]) ).

fof(f82,plain,
    ! [X0,X1] :
      ( ~ member(X0,on)
      | ~ member(X1,X0)
      | subset(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f79]) ).

fof(f103,plain,
    ! [X,Y] :
      ( ( ~ apply(member_predicate,X,Y)
        | member(X,Y) )
      & ( apply(member_predicate,X,Y)
        | ~ member(X,Y) ) ),
    inference(NNF_transformation,[status(esa)],[f15]) ).

fof(f104,plain,
    ( ! [X,Y] :
        ( ~ apply(member_predicate,X,Y)
        | member(X,Y) )
    & ! [X,Y] :
        ( apply(member_predicate,X,Y)
        | ~ member(X,Y) ) ),
    inference(miniscoping,[status(esa)],[f103]) ).

fof(f105,plain,
    ! [X0,X1] :
      ( ~ apply(member_predicate,X0,X1)
      | member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f104]) ).

fof(f106,plain,
    ! [X0,X1] :
      ( apply(member_predicate,X0,X1)
      | ~ member(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f104]) ).

fof(f123,plain,
    ! [X,R,A,Y] :
      ( ( ~ member(Y,initial_segment(X,R,A))
        | ( member(Y,A)
          & apply(R,Y,X) ) )
      & ( member(Y,initial_segment(X,R,A))
        | ~ member(Y,A)
        | ~ apply(R,Y,X) ) ),
    inference(NNF_transformation,[status(esa)],[f18]) ).

fof(f124,plain,
    ( ! [X,R,A,Y] :
        ( ~ member(Y,initial_segment(X,R,A))
        | ( member(Y,A)
          & apply(R,Y,X) ) )
    & ! [X,R,A,Y] :
        ( member(Y,initial_segment(X,R,A))
        | ~ member(Y,A)
        | ~ apply(R,Y,X) ) ),
    inference(miniscoping,[status(esa)],[f123]) ).

fof(f126,plain,
    ! [X0,X1,X2,X3] :
      ( ~ member(X0,initial_segment(X1,X2,X3))
      | apply(X2,X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f124]) ).

fof(f127,plain,
    ! [X0,X1,X2,X3] :
      ( member(X0,initial_segment(X1,X2,X3))
      | ~ member(X0,X3)
      | ~ apply(X2,X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f124]) ).

fof(f132,plain,
    ? [A] :
      ( member(A,on)
      & ? [X] :
          ( member(X,A)
          & ~ equal_set(X,initial_segment(X,member_predicate,A)) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f21]) ).

fof(f133,plain,
    ( member(sk0_13,on)
    & member(sk0_14,sk0_13)
    & ~ equal_set(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13)) ),
    inference(skolemization,[status(esa)],[f132]) ).

fof(f134,plain,
    member(sk0_13,on),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f135,plain,
    member(sk0_14,sk0_13),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f136,plain,
    ~ equal_set(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13)),
    inference(cnf_transformation,[status(esa)],[f133]) ).

fof(f147,plain,
    ! [X0] :
      ( ~ member(X0,sk0_13)
      | subset(X0,sk0_13) ),
    inference(resolution,[status(thm)],[f82,f134]) ).

fof(f148,plain,
    subset(sk0_14,sk0_13),
    inference(resolution,[status(thm)],[f147,f135]) ).

fof(f157,plain,
    ! [X0,X1,X2] :
      ( member(X0,initial_segment(X1,member_predicate,X2))
      | ~ member(X0,X2)
      | ~ member(X0,X1) ),
    inference(resolution,[status(thm)],[f127,f106]) ).

fof(f159,plain,
    ! [X0] :
      ( ~ member(X0,sk0_14)
      | member(X0,sk0_13) ),
    inference(resolution,[status(thm)],[f26,f148]) ).

fof(f167,plain,
    ! [X0] :
      ( subset(sk0_14,X0)
      | member(sk0_0(X0,sk0_14),sk0_13) ),
    inference(resolution,[status(thm)],[f27,f159]) ).

fof(f172,plain,
    ! [X0,X1,X2,X3] :
      ( subset(initial_segment(X0,X1,X2),X3)
      | apply(X1,sk0_0(X3,initial_segment(X0,X1,X2)),X0) ),
    inference(resolution,[status(thm)],[f27,f126]) ).

fof(f177,plain,
    ! [X0,X1,X2] :
      ( subset(X0,initial_segment(X1,member_predicate,X2))
      | ~ member(sk0_0(initial_segment(X1,member_predicate,X2),X0),X2)
      | ~ member(sk0_0(initial_segment(X1,member_predicate,X2),X0),X1) ),
    inference(resolution,[status(thm)],[f28,f157]) ).

fof(f282,plain,
    ! [X0,X1,X2] :
      ( subset(initial_segment(X0,member_predicate,X1),X2)
      | member(sk0_0(X2,initial_segment(X0,member_predicate,X1)),X0) ),
    inference(resolution,[status(thm)],[f172,f105]) ).

fof(f302,plain,
    ! [X0] :
      ( subset(sk0_14,initial_segment(X0,member_predicate,sk0_13))
      | ~ member(sk0_0(initial_segment(X0,member_predicate,sk0_13),sk0_14),X0)
      | subset(sk0_14,initial_segment(X0,member_predicate,sk0_13)) ),
    inference(resolution,[status(thm)],[f177,f167]) ).

fof(f303,plain,
    ! [X0] :
      ( subset(sk0_14,initial_segment(X0,member_predicate,sk0_13))
      | ~ member(sk0_0(initial_segment(X0,member_predicate,sk0_13),sk0_14),X0) ),
    inference(duplicate_literals_removal,[status(esa)],[f302]) ).

fof(f362,plain,
    ( spl0_4
  <=> subset(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13)) ),
    introduced(split_symbol_definition) ).

fof(f363,plain,
    ( subset(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13))
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f362]) ).

fof(f365,plain,
    ( subset(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13))
    | subset(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13)) ),
    inference(resolution,[status(thm)],[f303,f27]) ).

fof(f366,plain,
    spl0_4,
    inference(split_clause,[status(thm)],[f365,f362]) ).

fof(f556,plain,
    ! [X0,X1] :
      ( subset(initial_segment(X0,member_predicate,X1),X0)
      | subset(initial_segment(X0,member_predicate,X1),X0) ),
    inference(resolution,[status(thm)],[f282,f28]) ).

fof(f557,plain,
    ! [X0,X1] : subset(initial_segment(X0,member_predicate,X1),X0),
    inference(duplicate_literals_removal,[status(esa)],[f556]) ).

fof(f604,plain,
    ! [X0,X1] :
      ( equal_set(X0,initial_segment(X0,member_predicate,X1))
      | ~ subset(X0,initial_segment(X0,member_predicate,X1)) ),
    inference(resolution,[status(thm)],[f557,f33]) ).

fof(f619,plain,
    ~ subset(sk0_14,initial_segment(sk0_14,member_predicate,sk0_13)),
    inference(resolution,[status(thm)],[f604,f136]) ).

fof(f620,plain,
    ( $false
    | ~ spl0_4 ),
    inference(forward_subsumption_resolution,[status(thm)],[f619,f363]) ).

fof(f621,plain,
    ~ spl0_4,
    inference(contradiction_clause,[status(thm)],[f620]) ).

fof(f622,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f366,f621]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.10  % Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% 0.09/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.31  % Computer : n007.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 10:04:17 EDT 2023
% 0.10/0.31  % CPUTime  : 
% 0.10/0.32  % Drodi V3.5.1
% 0.10/0.34  % Refutation found
% 0.10/0.34  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.10/0.34  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.16/0.56  % Elapsed time: 0.028571 seconds
% 0.16/0.56  % CPU time: 0.038448 seconds
% 0.16/0.56  % Memory used: 4.904 MB
%------------------------------------------------------------------------------