TSTP Solution File: SET921+1 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SET921+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n001.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 : Thu Aug 31 15:46:20 EDT 2023

% Result   : Theorem 0.15s 0.41s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   75 (   5 unt;   0 def)
%            Number of atoms       :  272 (  50 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  324 ( 127   ~; 132   |;  45   &)
%                                         (  16 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   4 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-3 aty)
%            Number of variables   :  140 (; 122   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f183,plain,
    $false,
    inference(avatar_sat_refutation,[],[f69,f72,f74,f134,f137,f182]) ).

fof(f182,plain,
    ( ~ spl10_1
    | spl10_2 ),
    inference(avatar_contradiction_clause,[],[f179]) ).

fof(f179,plain,
    ( $false
    | ~ spl10_1
    | spl10_2 ),
    inference(resolution,[],[f178,f70]) ).

fof(f70,plain,
    ( in(sK3,set_difference(sK4,singleton(sK5)))
    | ~ spl10_1 ),
    inference(avatar_component_clause,[],[f61]) ).

fof(f61,plain,
    ( spl10_1
  <=> in(sK3,set_difference(sK4,singleton(sK5))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl10_1])]) ).

fof(f178,plain,
    ( ! [X0] : ~ in(sK3,set_difference(sK4,X0))
    | spl10_2 ),
    inference(resolution,[],[f175,f59]) ).

fof(f59,plain,
    ! [X0,X1] : sP2(X0,X1,set_difference(X0,X1)),
    inference(equality_resolution,[],[f53]) ).

fof(f53,plain,
    ! [X2,X0,X1] :
      ( sP2(X0,X1,X2)
      | set_difference(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X0,X1) = X2
        | ~ sP2(X0,X1,X2) )
      & ( sP2(X0,X1,X2)
        | set_difference(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f14]) ).

fof(f14,plain,
    ! [X0,X1,X2] :
      ( set_difference(X0,X1) = X2
    <=> sP2(X0,X1,X2) ),
    inference(definition_folding,[],[f3,f13,f12]) ).

fof(f12,plain,
    ! [X1,X3,X0] :
      ( sP1(X1,X3,X0)
    <=> ( ~ in(X3,X1)
        & in(X3,X0) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f13,plain,
    ! [X0,X1,X2] :
      ( sP2(X0,X1,X2)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> sP1(X1,X3,X0) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP2])]) ).

fof(f3,axiom,
    ! [X0,X1,X2] :
      ( set_difference(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( ~ in(X3,X1)
            & in(X3,X0) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.4xQC4RQBdM/Vampire---4.8_1074',d4_xboole_0) ).

fof(f175,plain,
    ( ! [X56,X57] :
        ( ~ sP2(sK4,X56,X57)
        | ~ in(sK3,X57) )
    | spl10_2 ),
    inference(resolution,[],[f91,f65]) ).

fof(f65,plain,
    ( ~ in(sK3,sK4)
    | spl10_2 ),
    inference(avatar_component_clause,[],[f64]) ).

fof(f64,plain,
    ( spl10_2
  <=> in(sK3,sK4) ),
    introduced(avatar_definition,[new_symbols(naming,[spl10_2])]) ).

fof(f91,plain,
    ! [X6,X7,X4,X5] :
      ( in(X4,X6)
      | ~ sP2(X6,X7,X5)
      | ~ in(X4,X5) ),
    inference(resolution,[],[f46,f50]) ).

fof(f50,plain,
    ! [X2,X0,X1] :
      ( ~ sP1(X0,X1,X2)
      | in(X1,X2) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f30,plain,
    ! [X0,X1,X2] :
      ( ( sP1(X0,X1,X2)
        | in(X1,X0)
        | ~ in(X1,X2) )
      & ( ( ~ in(X1,X0)
          & in(X1,X2) )
        | ~ sP1(X0,X1,X2) ) ),
    inference(rectify,[],[f29]) ).

fof(f29,plain,
    ! [X1,X3,X0] :
      ( ( sP1(X1,X3,X0)
        | in(X3,X1)
        | ~ in(X3,X0) )
      & ( ( ~ in(X3,X1)
          & in(X3,X0) )
        | ~ sP1(X1,X3,X0) ) ),
    inference(flattening,[],[f28]) ).

fof(f28,plain,
    ! [X1,X3,X0] :
      ( ( sP1(X1,X3,X0)
        | in(X3,X1)
        | ~ in(X3,X0) )
      & ( ( ~ in(X3,X1)
          & in(X3,X0) )
        | ~ sP1(X1,X3,X0) ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f46,plain,
    ! [X2,X0,X1,X4] :
      ( sP1(X1,X4,X0)
      | ~ in(X4,X2)
      | ~ sP2(X0,X1,X2) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X0,X1,X2] :
      ( ( sP2(X0,X1,X2)
        | ( ( ~ sP1(X1,sK7(X0,X1,X2),X0)
            | ~ in(sK7(X0,X1,X2),X2) )
          & ( sP1(X1,sK7(X0,X1,X2),X0)
            | in(sK7(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ sP1(X1,X4,X0) )
            & ( sP1(X1,X4,X0)
              | ~ in(X4,X2) ) )
        | ~ sP2(X0,X1,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f25,f26]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ~ sP1(X1,X3,X0)
            | ~ in(X3,X2) )
          & ( sP1(X1,X3,X0)
            | in(X3,X2) ) )
     => ( ( ~ sP1(X1,sK7(X0,X1,X2),X0)
          | ~ in(sK7(X0,X1,X2),X2) )
        & ( sP1(X1,sK7(X0,X1,X2),X0)
          | in(sK7(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( ( sP2(X0,X1,X2)
        | ? [X3] :
            ( ( ~ sP1(X1,X3,X0)
              | ~ in(X3,X2) )
            & ( sP1(X1,X3,X0)
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ~ sP1(X1,X4,X0) )
            & ( sP1(X1,X4,X0)
              | ~ in(X4,X2) ) )
        | ~ sP2(X0,X1,X2) ) ),
    inference(rectify,[],[f24]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ( sP2(X0,X1,X2)
        | ? [X3] :
            ( ( ~ sP1(X1,X3,X0)
              | ~ in(X3,X2) )
            & ( sP1(X1,X3,X0)
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ~ sP1(X1,X3,X0) )
            & ( sP1(X1,X3,X0)
              | ~ in(X3,X2) ) )
        | ~ sP2(X0,X1,X2) ) ),
    inference(nnf_transformation,[],[f13]) ).

fof(f137,plain,
    ( ~ spl10_1
    | ~ spl10_3 ),
    inference(avatar_contradiction_clause,[],[f136]) ).

fof(f136,plain,
    ( $false
    | ~ spl10_1
    | ~ spl10_3 ),
    inference(subsumption_resolution,[],[f135,f117]) ).

fof(f117,plain,
    ! [X0,X1] : ~ in(X0,set_difference(X1,singleton(X0))),
    inference(resolution,[],[f96,f59]) ).

fof(f96,plain,
    ! [X2,X3,X4] :
      ( ~ sP2(X4,singleton(X2),X3)
      | ~ in(X2,X3) ),
    inference(resolution,[],[f90,f78]) ).

fof(f78,plain,
    ! [X0] : in(X0,singleton(X0)),
    inference(resolution,[],[f57,f58]) ).

fof(f58,plain,
    ! [X0] : sP0(X0,singleton(X0)),
    inference(equality_resolution,[],[f44]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( sP0(X0,X1)
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f23]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ~ sP0(X0,X1) )
      & ( sP0(X0,X1)
        | singleton(X0) != X1 ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f11,plain,
    ! [X0,X1] :
      ( singleton(X0) = X1
    <=> sP0(X0,X1) ),
    inference(definition_folding,[],[f2,f10]) ).

fof(f10,plain,
    ! [X0,X1] :
      ( sP0(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( singleton(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    file('/export/starexec/sandbox/tmp/tmp.4xQC4RQBdM/Vampire---4.8_1074',d1_tarski) ).

fof(f57,plain,
    ! [X3,X1] :
      ( ~ sP0(X3,X1)
      | in(X3,X1) ),
    inference(equality_resolution,[],[f41]) ).

fof(f41,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | X0 != X3
      | ~ sP0(X0,X1) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ( ( sK6(X0,X1) != X0
            | ~ in(sK6(X0,X1),X1) )
          & ( sK6(X0,X1) = X0
            | in(sK6(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | ~ sP0(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f20,f21]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( X0 != X2
            | ~ in(X2,X1) )
          & ( X0 = X2
            | in(X2,X1) ) )
     => ( ( sK6(X0,X1) != X0
          | ~ in(sK6(X0,X1),X1) )
        & ( sK6(X0,X1) = X0
          | in(sK6(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | ~ sP0(X0,X1) ) ),
    inference(rectify,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | X0 != X2 )
            & ( X0 = X2
              | ~ in(X2,X1) ) )
        | ~ sP0(X0,X1) ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f90,plain,
    ! [X2,X3,X0,X1] :
      ( ~ in(X0,X1)
      | ~ sP2(X2,X3,X1)
      | ~ in(X0,X3) ),
    inference(resolution,[],[f46,f51]) ).

fof(f51,plain,
    ! [X2,X0,X1] :
      ( ~ sP1(X0,X1,X2)
      | ~ in(X1,X0) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f135,plain,
    ( in(sK3,set_difference(sK4,singleton(sK3)))
    | ~ spl10_1
    | ~ spl10_3 ),
    inference(forward_demodulation,[],[f70,f68]) ).

fof(f68,plain,
    ( sK3 = sK5
    | ~ spl10_3 ),
    inference(avatar_component_clause,[],[f67]) ).

fof(f67,plain,
    ( spl10_3
  <=> sK3 = sK5 ),
    introduced(avatar_definition,[new_symbols(naming,[spl10_3])]) ).

fof(f134,plain,
    ( spl10_1
    | ~ spl10_2
    | spl10_3 ),
    inference(avatar_contradiction_clause,[],[f133]) ).

fof(f133,plain,
    ( $false
    | spl10_1
    | ~ spl10_2
    | spl10_3 ),
    inference(subsumption_resolution,[],[f126,f71]) ).

fof(f71,plain,
    ( sK3 != sK5
    | spl10_3 ),
    inference(avatar_component_clause,[],[f67]) ).

fof(f126,plain,
    ( sK3 = sK5
    | spl10_1
    | ~ spl10_2 ),
    inference(resolution,[],[f125,f84]) ).

fof(f84,plain,
    ! [X0,X1] :
      ( ~ in(X0,singleton(X1))
      | X0 = X1 ),
    inference(resolution,[],[f40,f58]) ).

fof(f40,plain,
    ! [X3,X0,X1] :
      ( ~ in(X3,X1)
      | ~ sP0(X0,X1)
      | X0 = X3 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f125,plain,
    ( in(sK3,singleton(sK5))
    | spl10_1
    | ~ spl10_2 ),
    inference(subsumption_resolution,[],[f124,f73]) ).

fof(f73,plain,
    ( in(sK3,sK4)
    | ~ spl10_2 ),
    inference(avatar_component_clause,[],[f64]) ).

fof(f124,plain,
    ( in(sK3,singleton(sK5))
    | ~ in(sK3,sK4)
    | spl10_1 ),
    inference(resolution,[],[f122,f52]) ).

fof(f52,plain,
    ! [X2,X0,X1] :
      ( sP1(X0,X1,X2)
      | in(X1,X0)
      | ~ in(X1,X2) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f122,plain,
    ( ~ sP1(singleton(sK5),sK3,sK4)
    | spl10_1 ),
    inference(resolution,[],[f110,f59]) ).

fof(f110,plain,
    ( ! [X40,X41] :
        ( ~ sP2(X41,X40,set_difference(sK4,singleton(sK5)))
        | ~ sP1(X40,sK3,X41) )
    | spl10_1 ),
    inference(resolution,[],[f47,f62]) ).

fof(f62,plain,
    ( ~ in(sK3,set_difference(sK4,singleton(sK5)))
    | spl10_1 ),
    inference(avatar_component_clause,[],[f61]) ).

fof(f47,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | ~ sP1(X1,X4,X0)
      | ~ sP2(X0,X1,X2) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f74,plain,
    ( spl10_1
    | spl10_2 ),
    inference(avatar_split_clause,[],[f36,f64,f61]) ).

fof(f36,plain,
    ( in(sK3,sK4)
    | in(sK3,set_difference(sK4,singleton(sK5))) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ( ( sK3 = sK5
      | ~ in(sK3,sK4)
      | ~ in(sK3,set_difference(sK4,singleton(sK5))) )
    & ( ( sK3 != sK5
        & in(sK3,sK4) )
      | in(sK3,set_difference(sK4,singleton(sK5))) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f16,f17]) ).

fof(f17,plain,
    ( ? [X0,X1,X2] :
        ( ( X0 = X2
          | ~ in(X0,X1)
          | ~ in(X0,set_difference(X1,singleton(X2))) )
        & ( ( X0 != X2
            & in(X0,X1) )
          | in(X0,set_difference(X1,singleton(X2))) ) )
   => ( ( sK3 = sK5
        | ~ in(sK3,sK4)
        | ~ in(sK3,set_difference(sK4,singleton(sK5))) )
      & ( ( sK3 != sK5
          & in(sK3,sK4) )
        | in(sK3,set_difference(sK4,singleton(sK5))) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ? [X0,X1,X2] :
      ( ( X0 = X2
        | ~ in(X0,X1)
        | ~ in(X0,set_difference(X1,singleton(X2))) )
      & ( ( X0 != X2
          & in(X0,X1) )
        | in(X0,set_difference(X1,singleton(X2))) ) ),
    inference(flattening,[],[f15]) ).

fof(f15,plain,
    ? [X0,X1,X2] :
      ( ( X0 = X2
        | ~ in(X0,X1)
        | ~ in(X0,set_difference(X1,singleton(X2))) )
      & ( ( X0 != X2
          & in(X0,X1) )
        | in(X0,set_difference(X1,singleton(X2))) ) ),
    inference(nnf_transformation,[],[f8]) ).

fof(f8,plain,
    ? [X0,X1,X2] :
      ( in(X0,set_difference(X1,singleton(X2)))
    <~> ( X0 != X2
        & in(X0,X1) ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( in(X0,set_difference(X1,singleton(X2)))
      <=> ( X0 != X2
          & in(X0,X1) ) ),
    inference(negated_conjecture,[],[f6]) ).

fof(f6,conjecture,
    ! [X0,X1,X2] :
      ( in(X0,set_difference(X1,singleton(X2)))
    <=> ( X0 != X2
        & in(X0,X1) ) ),
    file('/export/starexec/sandbox/tmp/tmp.4xQC4RQBdM/Vampire---4.8_1074',t64_zfmisc_1) ).

fof(f72,plain,
    ( spl10_1
    | ~ spl10_3 ),
    inference(avatar_split_clause,[],[f37,f67,f61]) ).

fof(f37,plain,
    ( sK3 != sK5
    | in(sK3,set_difference(sK4,singleton(sK5))) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f69,plain,
    ( ~ spl10_1
    | ~ spl10_2
    | spl10_3 ),
    inference(avatar_split_clause,[],[f38,f67,f64,f61]) ).

fof(f38,plain,
    ( sK3 = sK5
    | ~ in(sK3,sK4)
    | ~ in(sK3,set_difference(sK4,singleton(sK5))) ),
    inference(cnf_transformation,[],[f18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET921+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.15  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.36  % Computer : n001.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit   : 300
% 0.15/0.36  % WCLimit    : 300
% 0.15/0.36  % DateTime   : Sat Aug 26 14:28:00 EDT 2023
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  This is a FOF_THM_RFO_SEQ problem
% 0.15/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/tmp/tmp.4xQC4RQBdM/Vampire---4.8_1074
% 0.15/0.37  % (1192)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.40  % (1195)lrs-11_28_aac=none:afr=on:anc=none:bs=on:drc=off:fde=unused:gs=on:nm=2:nwc=1.3:sp=frequency:stl=188_1092 on Vampire---4 for (1092ds/0Mi)
% 0.15/0.41  % (1195)First to succeed.
% 0.15/0.41  % (1195)Refutation found. Thanks to Tanya!
% 0.15/0.41  % SZS status Theorem for Vampire---4
% 0.15/0.41  % SZS output start Proof for Vampire---4
% See solution above
% 0.15/0.41  % (1195)------------------------------
% 0.15/0.41  % (1195)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.15/0.41  % (1195)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.15/0.41  % (1195)Termination reason: Refutation
% 0.15/0.41  
% 0.15/0.41  % (1195)Memory used [KB]: 10106
% 0.15/0.41  % (1195)Time elapsed: 0.007 s
% 0.15/0.41  % (1195)------------------------------
% 0.15/0.41  % (1195)------------------------------
% 0.15/0.41  % (1192)Success in time 0.042 s
% 0.15/0.41  % Vampire---4.8 exiting
%------------------------------------------------------------------------------