TSTP Solution File: NUM386+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : NUM386+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n005.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 12:29:00 EDT 2023

% Result   : Theorem 0.12s 0.37s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   23
% Syntax   : Number of formulae    :  108 (  20 unt;   0 def)
%            Number of atoms       :  299 (  49 equ)
%            Maximal formula atoms :   14 (   2 avg)
%            Number of connectives :  298 ( 107   ~; 127   |;  42   &)
%                                         (  18 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   20 (  18 usr;  13 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-3 aty)
%            Number of variables   :  105 (;  94   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [A] :
      ( empty(A)
     => function(A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A] :
      ( empty(A)
     => relation(A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A] :
      ( ( relation(A)
        & empty(A)
        & function(A) )
     => ( relation(A)
        & function(A)
        & one_to_one(A) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [A] : succ(A) = set_union2(A,singleton(A)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [A,B] :
      ( B = singleton(A)
    <=> ! [C] :
          ( in(C,B)
        <=> C = A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [A,B,C] :
      ( C = set_union2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,A)
            | in(D,B) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f10,axiom,
    ( empty(empty_set)
    & relation(empty_set)
    & relation_empty_yielding(empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,axiom,
    ? [A] :
      ( empty(A)
      & relation(A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f20,axiom,
    ? [A] : empty(A),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f21,axiom,
    ? [A] :
      ( relation(A)
      & empty(A)
      & function(A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f28,conjecture,
    ! [A,B] :
      ( in(A,succ(B))
    <=> ( in(A,B)
        | A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f29,negated_conjecture,
    ~ ! [A,B] :
        ( in(A,succ(B))
      <=> ( in(A,B)
          | A = B ) ),
    inference(negated_conjecture,[status(cth)],[f28]) ).

fof(f38,plain,
    ! [A] :
      ( ~ empty(A)
      | function(A) ),
    inference(pre_NNF_transformation,[status(esa)],[f2]) ).

fof(f39,plain,
    ! [X0] :
      ( ~ empty(X0)
      | function(X0) ),
    inference(cnf_transformation,[status(esa)],[f38]) ).

fof(f40,plain,
    ! [A] :
      ( ~ empty(A)
      | relation(A) ),
    inference(pre_NNF_transformation,[status(esa)],[f3]) ).

fof(f41,plain,
    ! [X0] :
      ( ~ empty(X0)
      | relation(X0) ),
    inference(cnf_transformation,[status(esa)],[f40]) ).

fof(f42,plain,
    ! [A] :
      ( ~ relation(A)
      | ~ empty(A)
      | ~ function(A)
      | ( relation(A)
        & function(A)
        & one_to_one(A) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f4]) ).

fof(f45,plain,
    ! [X0] :
      ( ~ relation(X0)
      | ~ empty(X0)
      | ~ function(X0)
      | one_to_one(X0) ),
    inference(cnf_transformation,[status(esa)],[f42]) ).

fof(f47,plain,
    ! [X0] : succ(X0) = set_union2(X0,singleton(X0)),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f48,plain,
    ! [A,B] :
      ( ( B != singleton(A)
        | ! [C] :
            ( ( ~ in(C,B)
              | C = A )
            & ( in(C,B)
              | C != A ) ) )
      & ( B = singleton(A)
        | ? [C] :
            ( ( ~ in(C,B)
              | C != A )
            & ( in(C,B)
              | C = A ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f7]) ).

fof(f49,plain,
    ( ! [A,B] :
        ( B != singleton(A)
        | ( ! [C] :
              ( ~ in(C,B)
              | C = A )
          & ! [C] :
              ( in(C,B)
              | C != A ) ) )
    & ! [A,B] :
        ( B = singleton(A)
        | ? [C] :
            ( ( ~ in(C,B)
              | C != A )
            & ( in(C,B)
              | C = A ) ) ) ),
    inference(miniscoping,[status(esa)],[f48]) ).

fof(f50,plain,
    ( ! [A,B] :
        ( B != singleton(A)
        | ( ! [C] :
              ( ~ in(C,B)
              | C = A )
          & ! [C] :
              ( in(C,B)
              | C != A ) ) )
    & ! [A,B] :
        ( B = singleton(A)
        | ( ( ~ in(sk0_0(B,A),B)
            | sk0_0(B,A) != A )
          & ( in(sk0_0(B,A),B)
            | sk0_0(B,A) = A ) ) ) ),
    inference(skolemization,[status(esa)],[f49]) ).

fof(f51,plain,
    ! [X0,X1,X2] :
      ( X0 != singleton(X1)
      | ~ in(X2,X0)
      | X2 = X1 ),
    inference(cnf_transformation,[status(esa)],[f50]) ).

fof(f52,plain,
    ! [X0,X1,X2] :
      ( X0 != singleton(X1)
      | in(X2,X0)
      | X2 != X1 ),
    inference(cnf_transformation,[status(esa)],[f50]) ).

fof(f55,plain,
    ! [A,B,C] :
      ( ( C != set_union2(A,B)
        | ! [D] :
            ( ( ~ in(D,C)
              | in(D,A)
              | in(D,B) )
            & ( in(D,C)
              | ( ~ in(D,A)
                & ~ in(D,B) ) ) ) )
      & ( C = set_union2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ( ~ in(D,A)
                & ~ in(D,B) ) )
            & ( in(D,C)
              | in(D,A)
              | in(D,B) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f8]) ).

fof(f56,plain,
    ( ! [A,B,C] :
        ( C != set_union2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | in(D,A)
              | in(D,B) )
          & ! [D] :
              ( in(D,C)
              | ( ~ in(D,A)
                & ~ in(D,B) ) ) ) )
    & ! [A,B,C] :
        ( C = set_union2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              | ( ~ in(D,A)
                & ~ in(D,B) ) )
            & ( in(D,C)
              | in(D,A)
              | in(D,B) ) ) ) ),
    inference(miniscoping,[status(esa)],[f55]) ).

fof(f57,plain,
    ( ! [A,B,C] :
        ( C != set_union2(A,B)
        | ( ! [D] :
              ( ~ in(D,C)
              | in(D,A)
              | in(D,B) )
          & ! [D] :
              ( in(D,C)
              | ( ~ in(D,A)
                & ~ in(D,B) ) ) ) )
    & ! [A,B,C] :
        ( C = set_union2(A,B)
        | ( ( ~ in(sk0_1(C,B,A),C)
            | ( ~ in(sk0_1(C,B,A),A)
              & ~ in(sk0_1(C,B,A),B) ) )
          & ( in(sk0_1(C,B,A),C)
            | in(sk0_1(C,B,A),A)
            | in(sk0_1(C,B,A),B) ) ) ) ),
    inference(skolemization,[status(esa)],[f56]) ).

fof(f58,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != set_union2(X1,X2)
      | ~ in(X3,X0)
      | in(X3,X1)
      | in(X3,X2) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f59,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != set_union2(X1,X2)
      | in(X3,X0)
      | ~ in(X3,X1) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f60,plain,
    ! [X0,X1,X2,X3] :
      ( X0 != set_union2(X1,X2)
      | in(X3,X0)
      | ~ in(X3,X2) ),
    inference(cnf_transformation,[status(esa)],[f57]) ).

fof(f66,plain,
    empty(empty_set),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f86,plain,
    ( empty(sk0_4)
    & relation(sk0_4) ),
    inference(skolemization,[status(esa)],[f19]) ).

fof(f87,plain,
    empty(sk0_4),
    inference(cnf_transformation,[status(esa)],[f86]) ).

fof(f89,plain,
    empty(sk0_5),
    inference(skolemization,[status(esa)],[f20]) ).

fof(f90,plain,
    empty(sk0_5),
    inference(cnf_transformation,[status(esa)],[f89]) ).

fof(f91,plain,
    ( relation(sk0_6)
    & empty(sk0_6)
    & function(sk0_6) ),
    inference(skolemization,[status(esa)],[f21]) ).

fof(f93,plain,
    empty(sk0_6),
    inference(cnf_transformation,[status(esa)],[f91]) ).

fof(f94,plain,
    function(sk0_6),
    inference(cnf_transformation,[status(esa)],[f91]) ).

fof(f115,plain,
    ? [A,B] :
      ( in(A,succ(B))
    <~> ( in(A,B)
        | A = B ) ),
    inference(pre_NNF_transformation,[status(esa)],[f29]) ).

fof(f116,plain,
    ? [A,B] :
      ( ( in(A,succ(B))
        | in(A,B)
        | A = B )
      & ( ~ in(A,succ(B))
        | ( ~ in(A,B)
          & A != B ) ) ),
    inference(NNF_transformation,[status(esa)],[f115]) ).

fof(f117,plain,
    ( ( in(sk0_13,succ(sk0_14))
      | in(sk0_13,sk0_14)
      | sk0_13 = sk0_14 )
    & ( ~ in(sk0_13,succ(sk0_14))
      | ( ~ in(sk0_13,sk0_14)
        & sk0_13 != sk0_14 ) ) ),
    inference(skolemization,[status(esa)],[f116]) ).

fof(f118,plain,
    ( in(sk0_13,succ(sk0_14))
    | in(sk0_13,sk0_14)
    | sk0_13 = sk0_14 ),
    inference(cnf_transformation,[status(esa)],[f117]) ).

fof(f119,plain,
    ( ~ in(sk0_13,succ(sk0_14))
    | ~ in(sk0_13,sk0_14) ),
    inference(cnf_transformation,[status(esa)],[f117]) ).

fof(f120,plain,
    ( ~ in(sk0_13,succ(sk0_14))
    | sk0_13 != sk0_14 ),
    inference(cnf_transformation,[status(esa)],[f117]) ).

fof(f134,plain,
    ( spl0_0
  <=> in(sk0_13,succ(sk0_14)) ),
    introduced(split_symbol_definition) ).

fof(f135,plain,
    ( in(sk0_13,succ(sk0_14))
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f134]) ).

fof(f136,plain,
    ( ~ in(sk0_13,succ(sk0_14))
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f134]) ).

fof(f137,plain,
    ( spl0_1
  <=> in(sk0_13,sk0_14) ),
    introduced(split_symbol_definition) ).

fof(f138,plain,
    ( in(sk0_13,sk0_14)
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f137]) ).

fof(f140,plain,
    ( spl0_2
  <=> sk0_13 = sk0_14 ),
    introduced(split_symbol_definition) ).

fof(f141,plain,
    ( sk0_13 = sk0_14
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f140]) ).

fof(f143,plain,
    ( spl0_0
    | spl0_1
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f118,f134,f137,f140]) ).

fof(f144,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f119,f134,f137]) ).

fof(f145,plain,
    ( ~ spl0_0
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f120,f134,f140]) ).

fof(f146,plain,
    ! [X0,X1] :
      ( ~ in(X0,singleton(X1))
      | X0 = X1 ),
    inference(destructive_equality_resolution,[status(esa)],[f51]) ).

fof(f147,plain,
    ! [X0] : in(X0,singleton(X0)),
    inference(destructive_equality_resolution,[status(esa)],[f52]) ).

fof(f148,plain,
    ! [X0,X1,X2] :
      ( ~ in(X0,set_union2(X1,X2))
      | in(X0,X1)
      | in(X0,X2) ),
    inference(destructive_equality_resolution,[status(esa)],[f58]) ).

fof(f149,plain,
    ! [X0,X1,X2] :
      ( in(X0,set_union2(X1,X2))
      | ~ in(X0,X1) ),
    inference(destructive_equality_resolution,[status(esa)],[f59]) ).

fof(f150,plain,
    ! [X0,X1,X2] :
      ( in(X0,set_union2(X1,X2))
      | ~ in(X0,X2) ),
    inference(destructive_equality_resolution,[status(esa)],[f60]) ).

fof(f153,plain,
    function(sk0_5),
    inference(resolution,[status(thm)],[f39,f90]) ).

fof(f154,plain,
    function(sk0_4),
    inference(resolution,[status(thm)],[f39,f87]) ).

fof(f155,plain,
    function(empty_set),
    inference(resolution,[status(thm)],[f39,f66]) ).

fof(f166,plain,
    ! [X0] :
      ( ~ empty(X0)
      | ~ function(X0)
      | one_to_one(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f45,f41]) ).

fof(f167,plain,
    ( spl0_3
  <=> empty(empty_set) ),
    introduced(split_symbol_definition) ).

fof(f169,plain,
    ( ~ empty(empty_set)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f167]) ).

fof(f170,plain,
    ( spl0_4
  <=> one_to_one(empty_set) ),
    introduced(split_symbol_definition) ).

fof(f173,plain,
    ( ~ empty(empty_set)
    | one_to_one(empty_set) ),
    inference(resolution,[status(thm)],[f166,f155]) ).

fof(f174,plain,
    ( ~ spl0_3
    | spl0_4 ),
    inference(split_clause,[status(thm)],[f173,f167,f170]) ).

fof(f175,plain,
    ( spl0_5
  <=> empty(sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f177,plain,
    ( ~ empty(sk0_4)
    | spl0_5 ),
    inference(component_clause,[status(thm)],[f175]) ).

fof(f178,plain,
    ( spl0_6
  <=> one_to_one(sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f181,plain,
    ( ~ empty(sk0_4)
    | one_to_one(sk0_4) ),
    inference(resolution,[status(thm)],[f166,f154]) ).

fof(f182,plain,
    ( ~ spl0_5
    | spl0_6 ),
    inference(split_clause,[status(thm)],[f181,f175,f178]) ).

fof(f183,plain,
    ( spl0_7
  <=> empty(sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f185,plain,
    ( ~ empty(sk0_5)
    | spl0_7 ),
    inference(component_clause,[status(thm)],[f183]) ).

fof(f186,plain,
    ( spl0_8
  <=> one_to_one(sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f189,plain,
    ( ~ empty(sk0_5)
    | one_to_one(sk0_5) ),
    inference(resolution,[status(thm)],[f166,f153]) ).

fof(f190,plain,
    ( ~ spl0_7
    | spl0_8 ),
    inference(split_clause,[status(thm)],[f189,f183,f186]) ).

fof(f215,plain,
    ( spl0_15
  <=> empty(sk0_6) ),
    introduced(split_symbol_definition) ).

fof(f217,plain,
    ( ~ empty(sk0_6)
    | spl0_15 ),
    inference(component_clause,[status(thm)],[f215]) ).

fof(f218,plain,
    ( spl0_16
  <=> one_to_one(sk0_6) ),
    introduced(split_symbol_definition) ).

fof(f221,plain,
    ( ~ empty(sk0_6)
    | one_to_one(sk0_6) ),
    inference(resolution,[status(thm)],[f166,f94]) ).

fof(f222,plain,
    ( ~ spl0_15
    | spl0_16 ),
    inference(split_clause,[status(thm)],[f221,f215,f218]) ).

fof(f231,plain,
    ( $false
    | spl0_15 ),
    inference(forward_subsumption_resolution,[status(thm)],[f217,f93]) ).

fof(f232,plain,
    spl0_15,
    inference(contradiction_clause,[status(thm)],[f231]) ).

fof(f233,plain,
    ( $false
    | spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f185,f90]) ).

fof(f234,plain,
    spl0_7,
    inference(contradiction_clause,[status(thm)],[f233]) ).

fof(f235,plain,
    ( $false
    | spl0_5 ),
    inference(forward_subsumption_resolution,[status(thm)],[f177,f87]) ).

fof(f236,plain,
    spl0_5,
    inference(contradiction_clause,[status(thm)],[f235]) ).

fof(f237,plain,
    ( $false
    | spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f169,f66]) ).

fof(f238,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f237]) ).

fof(f258,plain,
    ! [X0] :
      ( in(sk0_13,set_union2(sk0_14,X0))
      | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f149,f138]) ).

fof(f264,plain,
    ( in(sk0_13,succ(sk0_14))
    | ~ spl0_1 ),
    inference(paramodulation,[status(thm)],[f47,f258]) ).

fof(f265,plain,
    ( $false
    | spl0_0
    | ~ spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f264,f136]) ).

fof(f266,plain,
    ( spl0_0
    | ~ spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f265]) ).

fof(f467,plain,
    ! [X0,X1] : in(X0,set_union2(X1,singleton(X0))),
    inference(resolution,[status(thm)],[f150,f147]) ).

fof(f473,plain,
    ! [X0] : in(X0,succ(X0)),
    inference(paramodulation,[status(thm)],[f47,f467]) ).

fof(f512,plain,
    ! [X0,X1] :
      ( ~ in(X0,succ(X1))
      | in(X0,X1)
      | in(X0,singleton(X1)) ),
    inference(paramodulation,[status(thm)],[f47,f148]) ).

fof(f527,plain,
    ( spl0_26
  <=> in(sk0_13,singleton(sk0_14)) ),
    introduced(split_symbol_definition) ).

fof(f528,plain,
    ( in(sk0_13,singleton(sk0_14))
    | ~ spl0_26 ),
    inference(component_clause,[status(thm)],[f527]) ).

fof(f530,plain,
    ( in(sk0_13,sk0_14)
    | in(sk0_13,singleton(sk0_14))
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f512,f135]) ).

fof(f531,plain,
    ( spl0_1
    | spl0_26
    | ~ spl0_0 ),
    inference(split_clause,[status(thm)],[f530,f137,f527,f134]) ).

fof(f560,plain,
    ( ~ in(sk0_13,succ(sk0_13))
    | ~ spl0_2
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f141,f136]) ).

fof(f561,plain,
    ( $false
    | ~ spl0_2
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f560,f473]) ).

fof(f562,plain,
    ( ~ spl0_2
    | spl0_0 ),
    inference(contradiction_clause,[status(thm)],[f561]) ).

fof(f563,plain,
    ( sk0_13 = sk0_14
    | ~ spl0_26 ),
    inference(resolution,[status(thm)],[f528,f146]) ).

fof(f564,plain,
    ( spl0_2
    | ~ spl0_26 ),
    inference(split_clause,[status(thm)],[f563,f140,f527]) ).

fof(f570,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f143,f144,f145,f174,f182,f190,f222,f232,f234,f236,f238,f266,f531,f562,f564]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : NUM386+1 : TPTP v8.1.2. Released v3.2.0.
% 0.06/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.34  % Computer : n005.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Tue May 30 09:55:51 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  % Drodi V3.5.1
% 0.12/0.37  % Refutation found
% 0.12/0.37  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.12/0.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.12/0.39  % Elapsed time: 0.042574 seconds
% 0.12/0.39  % CPU time: 0.187695 seconds
% 0.12/0.39  % Memory used: 25.120 MB
%------------------------------------------------------------------------------