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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : GEO093+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n007.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 27 07:12:19 AM UTC 2026

% Result   : Theorem 32.47s 7.76s
% Output   : Refutation 27.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   26
% Syntax   : Number of formulae    :  144 (  29 unt;   0 typ;   9 def)
%            Number of atoms       :  539 (  98 equ;   0 cnn)
%            Maximal formula atoms :   16 (   3 avg)
%            Number of connectives : 1579 ( 159   ~; 157   |;  99   &;1090   @)
%                                         (   9 <=>;  65  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   7 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   20 (  17 usr;   6 con; 0-3 aty)
%            Number of variables   :  301 (   7   ^; 257   !;  28   ?; 301   :)
%                                         (   0  !>;   0  ?*;   0  @-;   9  @+)

% Comments : 
%------------------------------------------------------------------------------
thf(open_decl,type,
    open: $i > $o ).

thf(part_of_decl,type,
    part_of: $i > $i > $o ).

thf(meet_decl,type,
    meet: $i > $i > $i > $o ).

thf(sum_decl,type,
    sum: $i > $i > $i ).

thf(incident_c_decl,type,
    incident_c: $i > $i > $o ).

thf(end_point_decl,type,
    end_point: $i > $i > $o ).

thf(inner_point_decl,type,
    inner_point: $i > $i > $o ).

thf(closed_decl,type,
    closed: $i > $o ).

thf(sk1_decl,type,
    sk1: $i ).

thf(sk2_decl,type,
    sk2: $i ).

thf(sk3_decl,type,
    sk3: $i ).

thf(sk4_decl,type,
    sk4: $i ).

thf(sk5_decl,type,
    sk5: $i > $i > $i ).

thf(sk6_decl,type,
    sk6: $i > $i > $i ).

thf(sk8_decl,type,
    sk8: $i > $i ).

thf(sk9_decl,type,
    sk9: $i > $i ).

thf(sk10_decl,type,
    sk10: $i > $i ).

thf(sk1_def,definition,
    ( sk1
    = ( @+[A: $i] :
          ~ ! [B: $i,C: $i] :
              ( ( ? [D: $i] : ( C @ ( B @ ( D @ meet ) ) )
                & ( A @ ( C @ part_of ) )
                & ( A @ ( B @ part_of ) )
                & ( A @ open ) )
             => ( C @ ( B @ sum ) @ open ) ) ) ) ).

thf(sk2_def,definition,
    ( sk2
    = ( @+[A: $i] :
          ~ ! [B: $i] :
              ( ( ? [C: $i] : ( B @ ( A @ ( C @ meet ) ) )
                & ( sk1 @ ( B @ part_of ) )
                & ( sk1 @ ( A @ part_of ) )
                & ( sk1 @ open ) )
             => ( B @ ( A @ sum ) @ open ) ) ) ) ).

thf(sk3_def,definition,
    ( sk3
    = ( @+[A: $i] :
          ~ ( ( ? [B: $i] : ( A @ ( sk2 @ ( B @ meet ) ) )
              & ( sk1 @ ( A @ part_of ) )
              & ( sk1 @ ( sk2 @ part_of ) )
              & ( sk1 @ open ) )
           => ( A @ ( sk2 @ sum ) @ open ) ) ) ) ).

thf(sk4_def,definition,
    ( sk4
    = ( @+[A: $i] : ( sk3 @ ( sk2 @ ( A @ meet ) ) ) ) ) ).

thf(sk5_def,definition,
    ( sk5
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( B @ ( C @ incident_c ) )
           => ( A @ ( C @ incident_c ) ) ) ) ) ).

thf(sk6_def,definition,
    ( sk6
    = ( ^ [A: $i,B: $i] :
        @+[C: $i] :
          ~ ( ( A @ ( C @ incident_c ) )
           => ( B @ ( C @ incident_c ) ) ) ) ) ).

thf(sk8_def,definition,
    ( sk8
    = ( ^ [A: $i] :
        @+[B: $i] : ( A @ ( B @ end_point ) ) ) ) ).

thf(sk9_def,definition,
    ( sk9
    = ( ^ [A: $i] :
        @+[B: $i] : ( A @ ( B @ inner_point ) ) ) ) ).

thf(sk10_def,definition,
    ( sk10
    = ( ^ [A: $i] :
        @+[B: $i] : ( A @ ( B @ end_point ) ) ) ) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ end_point ) )
    <=> ( ! [C: $i,D: $i] :
            ( ( ( D @ ( A @ incident_c ) )
              & ( C @ ( A @ incident_c ) )
              & ( B @ ( D @ part_of ) )
              & ( B @ ( C @ part_of ) ) )
           => ( ( C @ ( D @ part_of ) )
              | ( D @ ( C @ part_of ) ) ) )
        & ( B @ ( A @ incident_c ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',end_point_defn) ).

thf(101,plain,
    ! [A: $i,B: $i] :
      ( ( ( ! [C: $i,D: $i] :
              ( ( ( D @ ( A @ incident_c ) )
                & ( C @ ( A @ incident_c ) )
                & ( B @ ( D @ part_of ) )
                & ( B @ ( C @ part_of ) ) )
             => ( ( C @ ( D @ part_of ) )
                | ( D @ ( C @ part_of ) ) ) )
          & ( B @ ( A @ incident_c ) ) )
       => ( B @ ( A @ end_point ) ) )
      & ( ( B @ ( A @ end_point ) )
       => ( ! [C: $i,D: $i] :
              ( ( ( D @ ( A @ incident_c ) )
                & ( C @ ( A @ incident_c ) )
                & ( B @ ( D @ part_of ) )
                & ( B @ ( C @ part_of ) ) )
             => ( ( C @ ( D @ part_of ) )
                | ( D @ ( C @ part_of ) ) ) )
          & ( B @ ( A @ incident_c ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(1,conjecture,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( C @ ( B @ ( D @ meet ) ) )
        & ( A @ ( C @ part_of ) )
        & ( A @ ( B @ part_of ) )
        & ( A @ open ) )
     => ( C @ ( B @ sum ) @ open ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',proposition_2_14_2) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i,C: $i,D: $i] :
        ( ( ( C @ ( B @ ( D @ meet ) ) )
          & ( A @ ( C @ part_of ) )
          & ( A @ ( B @ part_of ) )
          & ( A @ open ) )
       => ( C @ ( B @ sum ) @ open ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(19,plain,
    ~ ! [A: $i,B: $i,C: $i,D: $i] :
        ( ( ( C @ ( B @ ( D @ meet ) ) )
          & ( A @ ( C @ part_of ) )
          & ( A @ ( B @ part_of ) )
          & ( A @ open ) )
       => ( C @ ( B @ sum ) @ open ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(20,plain,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( ? [D: $i] : ( C @ ( B @ ( D @ meet ) ) )
          & ( A @ ( C @ part_of ) )
          & ( A @ ( B @ part_of ) )
          & ( A @ open ) )
       => ( C @ ( B @ sum ) @ open ) ),
    inference(miniscope,[status(thm)],[19]) ).

thf(21,plain,
    ( ~ ( sk3 @ ( sk2 @ sum ) @ open )
    & ( sk3 @ ( sk2 @ ( sk4 @ meet ) ) )
    & ( sk1 @ ( sk3 @ part_of ) )
    & ( sk1 @ ( sk2 @ part_of ) )
    & ( sk1 @ open ) ),
    inference(cnf,[status(esa)],[20]) ).

thf(23,plain,
    sk1 @ open,
    inference(cnfConj,[status(thm)],[21]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( A @ open )
    <=> ? [B: $i] : ( A @ ( B @ end_point ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',open_defn) ).

thf(61,plain,
    ! [A: $i] :
      ( ( ? [B: $i] : ( A @ ( B @ end_point ) )
       => ( A @ open ) )
      & ( ( A @ open )
       => ? [B: $i] : ( A @ ( B @ end_point ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(62,plain,
    ( ! [A: $i] :
        ( ? [B: $i] : ( A @ ( B @ end_point ) )
       => ( A @ open ) )
    & ! [A: $i] :
        ( ( A @ open )
       => ? [B: $i] : ( A @ ( B @ end_point ) ) ) ),
    inference(miniscope,[status(thm)],[61]) ).

thf(63,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( B @ open )
        | ~ ( B @ ( C @ end_point ) ) )
      & ( ( A @ ( A @ sk10 @ end_point ) )
        | ~ ( A @ open ) ) ),
    inference(cnf,[status(esa)],[62]) ).

thf(64,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk10 @ end_point ) )
      | ~ ( A @ open ) ),
    inference(cnfConj,[status(thm)],[63]) ).

thf(267,plain,
    ! [A: $i] :
      ( ( ( sk1 @ open )
       != ( A @ open ) )
      | ( A @ ( A @ sk10 @ end_point ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[23,64]) ).

thf(268,plain,
    ! [A: $i] :
      ( ( ( sk1 @ open )
       != ( A @ open ) )
      | ( A @ ( A @ sk10 @ end_point ) ) ),
    inference(simp,[status(thm)],[267]) ).

thf(269,plain,
    sk1 @ ( sk1 @ sk10 @ end_point ),
    inference(pattern_uni,[status(thm)],[268:[bind(A,$thf( sk1 ))]]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( A @ ( C @ incident_c ) )
        <=> ( B @ ( C @ incident_c ) ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c9) ).

thf(27,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( ( B @ ( C @ incident_c ) )
           => ( A @ ( C @ incident_c ) ) )
          & ( ( A @ ( C @ incident_c ) )
           => ( B @ ( C @ incident_c ) ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(28,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( B @ ( C @ incident_c ) )
           => ( A @ ( C @ incident_c ) ) )
        & ! [C: $i] :
            ( ( A @ ( C @ incident_c ) )
           => ( B @ ( C @ incident_c ) ) ) )
     => ( A = B ) ),
    inference(miniscope,[status(thm)],[27]) ).

thf(29,plain,
    ! [B: $i,A: $i] :
      ( ( ( A = B )
        | ~ ( A @ ( A @ ( B @ sk6 ) @ incident_c ) )
        | ~ ( B @ ( A @ ( B @ sk5 ) @ incident_c ) ) )
      & ( ( A = B )
        | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
        | ~ ( B @ ( A @ ( B @ sk5 ) @ incident_c ) ) )
      & ( ( A = B )
        | ~ ( A @ ( A @ ( B @ sk6 ) @ incident_c ) )
        | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) )
      & ( ( A = B )
        | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
        | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ) ),
    inference(cnf,[status(esa)],[28]) ).

thf(30,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(cnfConj,[status(thm)],[29]) ).

thf(34,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[30]) ).

thf(215,plain,
    ! [B: $i,A: $i] :
      ( ( B != sk1 )
      | ( A @ open )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[34,23]) ).

thf(216,plain,
    ! [A: $i] :
      ( ( A @ open )
      | ( sk1 @ ( A @ ( sk1 @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( sk1 @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[215:[bind(A,$thf( A )),bind(B,$thf( sk1 ))]]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( A @ closed )
    <=> ~ ? [B: $i] : ( A @ ( B @ end_point ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',closed_defn) ).

thf(53,plain,
    ! [A: $i] :
      ( ( ~ ? [B: $i] : ( A @ ( B @ end_point ) )
       => ( A @ closed ) )
      & ( ( A @ closed )
       => ~ ? [B: $i] : ( A @ ( B @ end_point ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ end_point ) )
     => ? [C: $i] :
          ( ( B != C )
          & ( A @ ( C @ end_point ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c6) ).

thf(41,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ end_point ) )
     => ? [C: $i] :
          ( ( B != C )
          & ( A @ ( C @ end_point ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ part_of ) )
    <=> ! [C: $i] :
          ( ( B @ ( C @ incident_c ) )
         => ( A @ ( C @ incident_c ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',part_of_defn) ).

thf(134,plain,
    ! [A: $i,B: $i] :
      ( ( ! [C: $i] :
            ( ( B @ ( C @ incident_c ) )
           => ( A @ ( C @ incident_c ) ) )
       => ( A @ ( B @ part_of ) ) )
      & ( ( A @ ( B @ part_of ) )
       => ! [C: $i] :
            ( ( B @ ( C @ incident_c ) )
           => ( A @ ( C @ incident_c ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ inner_point ) )
    <=> ( ~ ( B @ ( A @ end_point ) )
        & ( B @ ( A @ incident_c ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',inner_point_defn) ).

thf(46,plain,
    ! [A: $i,B: $i] :
      ( ( ( ~ ( B @ ( A @ end_point ) )
          & ( B @ ( A @ incident_c ) ) )
       => ( B @ ( A @ inner_point ) ) )
      & ( ( B @ ( A @ inner_point ) )
       => ( ~ ( B @ ( A @ end_point ) )
          & ( B @ ( A @ incident_c ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(47,plain,
    ( ! [A: $i,B: $i] :
        ( ( ~ ( B @ ( A @ end_point ) )
          & ( B @ ( A @ incident_c ) ) )
       => ( B @ ( A @ inner_point ) ) )
    & ! [A: $i,B: $i] :
        ( ( B @ ( A @ inner_point ) )
       => ( ~ ( B @ ( A @ end_point ) )
          & ( B @ ( A @ incident_c ) ) ) ) ),
    inference(miniscope,[status(thm)],[46]) ).

thf(48,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( D @ ( C @ inner_point ) )
        | ( D @ ( C @ end_point ) )
        | ~ ( D @ ( C @ incident_c ) ) )
      & ( ~ ( B @ ( A @ end_point ) )
        | ~ ( B @ ( A @ inner_point ) ) )
      & ( ( B @ ( A @ incident_c ) )
        | ~ ( B @ ( A @ inner_point ) ) ) ),
    inference(cnf,[status(esa)],[47]) ).

thf(49,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ incident_c ) )
      | ~ ( B @ ( A @ inner_point ) ) ),
    inference(cnfConj,[status(thm)],[48]) ).

thf(65,plain,
    ! [B: $i,A: $i] :
      ( ( A @ open )
      | ~ ( A @ ( B @ end_point ) ) ),
    inference(cnfConj,[status(thm)],[63]) ).

thf(66,plain,
    ! [B: $i,A: $i] :
      ( ( A @ open )
      | ~ ( A @ ( B @ end_point ) ) ),
    inference(simp,[status(thm)],[65]) ).

thf(8,axiom,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ inner_point ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c3) ).

thf(59,plain,
    ! [A: $i] :
    ? [B: $i] : ( A @ ( B @ inner_point ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(60,plain,
    ! [A: $i] : ( A @ ( A @ sk9 @ inner_point ) ),
    inference(cnf,[status(esa)],[59]) ).

thf(50,plain,
    ! [B: $i,A: $i] :
      ( ~ ( B @ ( A @ end_point ) )
      | ~ ( B @ ( A @ inner_point ) ) ),
    inference(cnfConj,[status(thm)],[48]) ).

thf(697,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk1 @ ( sk1 @ sk10 @ end_point ) )
       != ( B @ ( A @ end_point ) ) )
      | ~ $true
      | ~ ( B @ ( A @ inner_point ) ) ),
    inference(paramod_ordered,[status(thm)],[269,50]) ).

thf(698,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk1 @ ( sk1 @ sk10 @ end_point ) )
       != ( B @ ( A @ end_point ) ) )
      | ~ ( B @ ( A @ inner_point ) ) ),
    inference(simp,[status(thm)],[697]) ).

thf(699,plain,
    ~ ( sk1 @ ( sk1 @ sk10 @ inner_point ) ),
    inference(pattern_uni,[status(thm)],[698:[bind(A,$thf( sk1 @ sk10 )),bind(B,$thf( sk1 ))]]) ).

thf(724,plain,
    ! [A: $i] :
      ( ( ( A @ ( A @ sk9 @ inner_point ) )
       != ( sk1 @ ( sk1 @ sk10 @ inner_point ) ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[60,699]) ).

thf(725,plain,
    ! [A: $i] :
      ( ( A @ ( A @ sk9 @ inner_point ) )
     != ( sk1 @ ( sk1 @ sk10 @ inner_point ) ) ),
    inference(simp,[status(thm)],[724]) ).

thf(738,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( ( A @ sk9 )
       != ( sk1 @ sk10 ) ) ),
    inference(simp,[status(thm)],[725]) ).

thf(739,plain,
    ( ( sk1 @ sk10 )
   != ( sk1 @ sk9 ) ),
    inference(simp,[status(thm)],[738]) ).

thf(54,plain,
    ( ! [A: $i] :
        ( ~ ? [B: $i] : ( A @ ( B @ end_point ) )
       => ( A @ closed ) )
    & ! [A: $i] :
        ( ( A @ closed )
       => ~ ? [B: $i] : ( A @ ( B @ end_point ) ) ) ),
    inference(miniscope,[status(thm)],[53]) ).

thf(55,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( C @ closed )
        | ( C @ ( C @ sk8 @ end_point ) ) )
      & ( ~ ( A @ ( B @ end_point ) )
        | ~ ( A @ closed ) ) ),
    inference(cnf,[status(esa)],[54]) ).

thf(57,plain,
    ! [A: $i] :
      ( ( A @ closed )
      | ( A @ ( A @ sk8 @ end_point ) ) ),
    inference(cnfConj,[status(thm)],[55]) ).

thf(58,plain,
    ! [A: $i] :
      ( ( A @ closed )
      | ( A @ ( A @ sk8 @ end_point ) ) ),
    inference(simp,[status(thm)],[57]) ).

thf(11,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ? [E: $i] :
            ( ( D @ ( E @ end_point ) )
            & ( C @ ( E @ end_point ) )
            & ( B @ ( E @ end_point ) ) )
        & ( A @ ( D @ part_of ) )
        & ( A @ ( C @ part_of ) )
        & ( A @ ( B @ part_of ) ) )
     => ( ( B @ ( D @ part_of ) )
        | ( D @ ( B @ part_of ) )
        | ( B @ ( C @ part_of ) )
        | ( C @ ( B @ part_of ) )
        | ( C @ ( D @ part_of ) )
        | ( D @ ( C @ part_of ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c2) ).

thf(94,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ? [E: $i] :
            ( ( D @ ( E @ end_point ) )
            & ( C @ ( E @ end_point ) )
            & ( B @ ( E @ end_point ) ) )
        & ( A @ ( D @ part_of ) )
        & ( A @ ( C @ part_of ) )
        & ( A @ ( B @ part_of ) ) )
     => ( ( B @ ( D @ part_of ) )
        | ( D @ ( B @ part_of ) )
        | ( B @ ( C @ part_of ) )
        | ( C @ ( B @ part_of ) )
        | ( C @ ( D @ part_of ) )
        | ( D @ ( C @ part_of ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(56,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( B @ end_point ) )
      | ~ ( A @ closed ) ),
    inference(cnfConj,[status(thm)],[55]) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( ( B != A )
        & ( A @ ( B @ part_of ) ) )
     => ( B @ open ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c1) ).

thf(142,plain,
    ! [A: $i,B: $i] :
      ( ( ( B != A )
        & ( A @ ( B @ part_of ) ) )
     => ( B @ open ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(703,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk9 @ inner_point ) )
       != ( C @ ( B @ inner_point ) ) )
      | ~ ( C @ ( B @ end_point ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[60,50]) ).

thf(704,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk9 @ inner_point ) )
       != ( C @ ( B @ inner_point ) ) )
      | ~ ( C @ ( B @ end_point ) ) ),
    inference(simp,[status(thm)],[703]) ).

thf(705,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ sk9 @ end_point ) ),
    inference(pattern_uni,[status(thm)],[704:[bind(A,$thf( D )),bind(B,$thf( D @ sk9 )),bind(C,$thf( D ))]]) ).

thf(709,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ sk9 @ end_point ) ),
    inference(simp,[status(thm)],[705]) ).

thf(24,plain,
    ~ ( sk3 @ ( sk2 @ sum ) @ open ),
    inference(cnfConj,[status(thm)],[21]) ).

thf(25,plain,
    sk1 @ ( sk2 @ part_of ),
    inference(cnfConj,[status(thm)],[21]) ).

thf(150,plain,
    ( ( ( sk3 @ ( sk2 @ sum ) @ open )
     != ( sk1 @ open ) )
    | ~ $true ),
    inference(paramod_ordered,[status(thm)],[23,24]) ).

thf(151,plain,
    ( ( sk3 @ ( sk2 @ sum ) @ open )
   != ( sk1 @ open ) ),
    inference(simp,[status(thm)],[150]) ).

thf(152,plain,
    ( ( sk3 @ ( sk2 @ sum ) )
   != sk1 ),
    inference(simp,[status(thm)],[151]) ).

thf(32,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ~ ( B @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(cnfConj,[status(thm)],[29]) ).

thf(36,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ~ ( B @ ( A @ ( B @ sk5 ) @ incident_c ) )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[32]) ).

thf(871,plain,
    ! [B: $i,A: $i] :
      ( ( A
       != ( sk3 @ ( sk2 @ sum ) ) )
      | ( B != sk1 )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ~ ( B @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[36,152]) ).

thf(872,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( A @ ( sk3 @ ( sk2 @ sum ) @ ( A @ sk6 ) @ incident_c ) )
      | ~ ( A @ ( sk3 @ ( sk2 @ sum ) @ ( A @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[871:[bind(A,$thf( sk3 @ ( sk2 @ sum ) )),bind(B,$thf( B ))]]) ).

thf(1169,plain,
    ( ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ ( sk1 @ sk6 ) @ incident_c ) )
    | ~ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ ( sk1 @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[872]) ).

thf(257,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( B @ ( C @ end_point ) ) )
      | ~ $true
      | ~ ( B @ closed )
      | ~ ( A @ open ) ),
    inference(paramod_ordered,[status(thm)],[64,56]) ).

thf(258,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( B @ ( C @ end_point ) ) )
      | ~ ( B @ closed )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[257]) ).

thf(259,plain,
    ! [A: $i] :
      ( ~ ( A @ closed )
      | ~ ( A @ open ) ),
    inference(pattern_uni,[status(thm)],[258:[bind(A,$thf( D )),bind(B,$thf( D )),bind(C,$thf( D @ sk10 ))]]) ).

thf(270,plain,
    ! [A: $i] :
      ( ~ ( A @ closed )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[259]) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( A @ ( D @ end_point ) )
        & ( A @ ( C @ end_point ) )
        & ( A @ ( B @ end_point ) ) )
     => ( ( C = D )
        | ( B = D )
        | ( B = C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c5) ).

thf(38,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( A @ ( D @ end_point ) )
        & ( A @ ( C @ end_point ) )
        & ( A @ ( B @ end_point ) ) )
     => ( ( C = D )
        | ( B = D )
        | ( B = C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(273,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk1 @ ( sk1 @ sk10 @ end_point ) )
       != ( A @ ( B @ end_point ) ) )
      | ~ $true
      | ~ ( A @ closed ) ),
    inference(paramod_ordered,[status(thm)],[269,56]) ).

thf(274,plain,
    ! [B: $i,A: $i] :
      ( ( ( sk1 @ ( sk1 @ sk10 @ end_point ) )
       != ( A @ ( B @ end_point ) ) )
      | ~ ( A @ closed ) ),
    inference(simp,[status(thm)],[273]) ).

thf(275,plain,
    ~ ( sk1 @ closed ),
    inference(pattern_uni,[status(thm)],[274:[bind(A,$thf( sk1 )),bind(B,$thf( sk1 @ sk10 ))]]) ).

thf(159,plain,
    ! [B: $i,A: $i] :
      ( ( B
       != ( sk3 @ ( sk2 @ sum ) ) )
      | ( A != sk1 )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[34,152]) ).

thf(160,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( sk3 @ ( sk2 @ sum ) @ ( A @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[159:[bind(A,$thf( A )),bind(B,$thf( sk3 @ ( sk2 @ sum ) ))]]) ).

thf(229,plain,
    ( ( sk3 @ ( sk2 @ sum ) @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) )
    | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[160]) ).

thf(247,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( B @ ( C @ end_point ) ) )
      | ( B @ open )
      | ~ $true
      | ( A @ closed ) ),
    inference(paramod_ordered,[status(thm)],[58,66]) ).

thf(248,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( B @ ( C @ end_point ) ) )
      | ( B @ open )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[247]) ).

thf(249,plain,
    ! [A: $i] :
      ( ( A @ open )
      | ( A @ closed ) ),
    inference(pattern_uni,[status(thm)],[248:[bind(A,$thf( D )),bind(B,$thf( D )),bind(C,$thf( D @ sk8 ))]]) ).

thf(252,plain,
    ! [A: $i] :
      ( ( A @ open )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[249]) ).

thf(706,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( C @ ( B @ end_point ) ) )
      | ~ $true
      | ~ ( C @ ( B @ inner_point ) )
      | ~ ( A @ open ) ),
    inference(paramod_ordered,[status(thm)],[64,50]) ).

thf(707,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( C @ ( B @ end_point ) ) )
      | ~ ( C @ ( B @ inner_point ) )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[706]) ).

thf(708,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ sk10 @ inner_point ) )
      | ~ ( A @ open ) ),
    inference(pattern_uni,[status(thm)],[707:[bind(A,$thf( D )),bind(B,$thf( D @ sk10 )),bind(C,$thf( D ))]]) ).

thf(710,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ sk10 @ inner_point ) )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[708]) ).

thf(153,plain,
    ! [B: $i,A: $i] :
      ( ( A
       != ( sk3 @ ( sk2 @ sum ) ) )
      | ( B != sk1 )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[34,152]) ).

thf(154,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( A @ ( sk3 @ ( sk2 @ sum ) @ ( A @ sk6 ) @ incident_c ) )
      | ( sk3 @ ( sk2 @ sum ) @ ( sk3 @ ( sk2 @ sum ) @ ( A @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[153:[bind(A,$thf( sk3 @ ( sk2 @ sum ) )),bind(B,$thf( B ))]]) ).

thf(225,plain,
    ( ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ ( sk1 @ sk6 ) @ incident_c ) )
    | ( sk3 @ ( sk2 @ sum ) @ ( sk3 @ ( sk2 @ sum ) @ ( sk1 @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[154]) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ inner_point ) )
     => ? [C: $i,D: $i] :
          ( ( A
            = ( D @ ( C @ sum ) ) )
          & ( D @ ( C @ ( B @ meet ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c4) ).

thf(96,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ inner_point ) )
     => ? [C: $i,D: $i] :
          ( ( A
            = ( D @ ( C @ sum ) ) )
          & ( D @ ( C @ ( B @ meet ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(1239,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( B @ ( B @ sk9 @ end_point ) ) )
      | ~ $true
      | ~ ( A @ open ) ),
    inference(paramod_ordered,[status(thm)],[64,709]) ).

thf(1240,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ sk10 @ end_point ) )
       != ( B @ ( B @ sk9 @ end_point ) ) )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[1239]) ).

thf(1243,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( ( A @ sk10 )
       != ( B @ sk9 ) )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[1240]) ).

thf(1251,plain,
    ! [A: $i] :
      ( ( ( A @ sk10 )
       != ( A @ sk9 ) )
      | ~ ( A @ open ) ),
    inference(simp,[status(thm)],[1243]) ).

thf(22,plain,
    sk3 @ ( sk2 @ ( sk4 @ meet ) ),
    inference(cnfConj,[status(thm)],[21]) ).

thf(700,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( C @ ( B @ end_point ) ) )
      | ~ $true
      | ~ ( C @ ( B @ inner_point ) )
      | ( A @ closed ) ),
    inference(paramod_ordered,[status(thm)],[58,50]) ).

thf(701,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( C @ ( B @ end_point ) ) )
      | ~ ( C @ ( B @ inner_point ) )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[700]) ).

thf(702,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ sk8 @ inner_point ) )
      | ( A @ closed ) ),
    inference(pattern_uni,[status(thm)],[701:[bind(A,$thf( D )),bind(B,$thf( D @ sk8 )),bind(C,$thf( D ))]]) ).

thf(711,plain,
    ! [A: $i] :
      ( ~ ( A @ ( A @ sk8 @ inner_point ) )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[702]) ).

thf(14,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ meet ) ) )
    <=> ( ! [D: $i] :
            ( ( ( C @ ( D @ incident_c ) )
              & ( B @ ( D @ incident_c ) ) )
           => ( ( C @ ( D @ end_point ) )
              & ( B @ ( D @ end_point ) ) ) )
        & ( C @ ( A @ incident_c ) )
        & ( B @ ( A @ incident_c ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',meet_defn) ).

thf(118,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ! [D: $i] :
              ( ( ( C @ ( D @ incident_c ) )
                & ( B @ ( D @ incident_c ) ) )
             => ( ( C @ ( D @ end_point ) )
                & ( B @ ( D @ end_point ) ) ) )
          & ( C @ ( A @ incident_c ) )
          & ( B @ ( A @ incident_c ) ) )
       => ( C @ ( B @ ( A @ meet ) ) ) )
      & ( ( C @ ( B @ ( A @ meet ) ) )
       => ( ! [D: $i] :
              ( ( ( C @ ( D @ incident_c ) )
                & ( B @ ( D @ incident_c ) ) )
             => ( ( C @ ( D @ end_point ) )
                & ( B @ ( D @ end_point ) ) ) )
          & ( C @ ( A @ incident_c ) )
          & ( B @ ( A @ incident_c ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(1229,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( B @ ( B @ sk9 @ end_point ) ) )
      | ~ $true
      | ( A @ closed ) ),
    inference(paramod_ordered,[status(thm)],[58,709]) ).

thf(1230,plain,
    ! [B: $i,A: $i] :
      ( ( ( A @ ( A @ sk8 @ end_point ) )
       != ( B @ ( B @ sk9 @ end_point ) ) )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[1229]) ).

thf(1242,plain,
    ! [B: $i,A: $i] :
      ( ( A != B )
      | ( ( A @ sk8 )
       != ( B @ sk9 ) )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[1230]) ).

thf(1250,plain,
    ! [A: $i] :
      ( ( ( A @ sk9 )
       != ( A @ sk8 ) )
      | ( A @ closed ) ),
    inference(simp,[status(thm)],[1242]) ).

thf(31,plain,
    ! [B: $i,A: $i] :
      ( ( A = B )
      | ~ ( A @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(cnfConj,[status(thm)],[29]) ).

thf(35,plain,
    ! [B: $i,A: $i] :
      ( ~ ( A @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) )
      | ( A = B ) ),
    inference(lifteq,[status(thm)],[31]) ).

thf(382,plain,
    ! [B: $i,A: $i] :
      ( ( B
       != ( sk3 @ ( sk2 @ sum ) ) )
      | ( A != sk1 )
      | ~ ( A @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[35,152]) ).

thf(383,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ~ ( A @ ( A @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[382:[bind(A,$thf( A )),bind(B,$thf( sk3 @ ( sk2 @ sum ) ))]]) ).

thf(548,plain,
    ( ~ ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) )
    | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[383]) ).

thf(18,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( A
          = ( C @ ( B @ sum ) ) )
        & ( C @ ( B @ ( D @ meet ) ) )
        & ( A @ closed ) )
     => ! [E: $i] :
          ( ( B @ ( E @ end_point ) )
         => ( C @ ( B @ ( E @ meet ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c7) ).

thf(145,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( A
          = ( C @ ( B @ sum ) ) )
        & ( C @ ( B @ ( D @ meet ) ) )
        & ( A @ closed ) )
     => ! [E: $i] :
          ( ( B @ ( E @ end_point ) )
         => ( C @ ( B @ ( E @ meet ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(10,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A
        = ( C @ ( B @ sum ) ) )
    <=> ! [D: $i] :
          ( ( A @ ( D @ incident_c ) )
        <=> ( ( C @ ( D @ incident_c ) )
            | ( B @ ( D @ incident_c ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum_defn) ).

thf(67,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ! [D: $i] :
            ( ( ( ( C @ ( D @ incident_c ) )
                | ( B @ ( D @ incident_c ) ) )
             => ( A @ ( D @ incident_c ) ) )
            & ( ( A @ ( D @ incident_c ) )
             => ( ( C @ ( D @ incident_c ) )
                | ( B @ ( D @ incident_c ) ) ) ) )
       => ( A
          = ( C @ ( B @ sum ) ) ) )
      & ( ( A
          = ( C @ ( B @ sum ) ) )
       => ! [D: $i] :
            ( ( ( ( C @ ( D @ incident_c ) )
                | ( B @ ( D @ incident_c ) ) )
             => ( A @ ( D @ incident_c ) ) )
            & ( ( A @ ( D @ incident_c ) )
             => ( ( C @ ( D @ incident_c ) )
                | ( B @ ( D @ incident_c ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(26,plain,
    sk1 @ ( sk3 @ part_of ),
    inference(cnfConj,[status(thm)],[21]) ).

thf(849,plain,
    ! [B: $i,A: $i] :
      ( ( B
       != ( sk1 @ sk10 ) )
      | ( A
       != ( sk1 @ sk9 ) )
      | ( B @ ( A @ ( B @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( B @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[34,739]) ).

thf(850,plain,
    ! [A: $i] :
      ( ( A
       != ( sk1 @ sk9 ) )
      | ( sk1 @ sk10 @ ( A @ ( sk1 @ sk10 @ sk6 ) @ incident_c ) )
      | ( A @ ( A @ ( sk1 @ sk10 @ sk5 ) @ incident_c ) ) ),
    inference(pattern_uni,[status(thm)],[849:[bind(A,$thf( A )),bind(B,$thf( sk1 @ sk10 ))]]) ).

thf(854,plain,
    ( ( sk1 @ sk10 @ ( sk1 @ sk9 @ ( sk1 @ sk10 @ sk6 ) @ incident_c ) )
    | ( sk1 @ sk9 @ ( sk1 @ sk9 @ ( sk1 @ sk10 @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[850]) ).

thf(621,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk9 @ inner_point ) )
       != ( C @ ( B @ inner_point ) ) )
      | ( C @ ( B @ incident_c ) )
      | ~ $true ),
    inference(paramod_ordered,[status(thm)],[60,49]) ).

thf(622,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ( A @ ( A @ sk9 @ inner_point ) )
       != ( C @ ( B @ inner_point ) ) )
      | ( C @ ( B @ incident_c ) ) ),
    inference(simp,[status(thm)],[621]) ).

thf(623,plain,
    ! [A: $i] : ( A @ ( A @ sk9 @ incident_c ) ),
    inference(pattern_uni,[status(thm)],[622:[bind(A,$thf( D )),bind(B,$thf( D @ sk9 )),bind(C,$thf( D ))]]) ).

thf(624,plain,
    ! [A: $i] : ( A @ ( A @ sk9 @ incident_c ) ),
    inference(simp,[status(thm)],[623]) ).

thf(631,plain,
    ! [A: $i] :
      ( ( ( A @ ( A @ sk9 @ incident_c ) )
       != ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) ) )
      | ~ $true
      | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(paramod_ordered,[status(thm)],[624,548]) ).

thf(632,plain,
    ! [A: $i] :
      ( ( ( A @ ( A @ sk9 @ incident_c ) )
       != ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) @ incident_c ) ) )
      | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[631]) ).

thf(638,plain,
    ! [A: $i] :
      ( ( A != sk1 )
      | ( ( A @ sk9 )
       != ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) ) )
      | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[632]) ).

thf(644,plain,
    ( ( ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk6 ) )
     != ( sk1 @ sk9 ) )
    | ( sk1 @ ( sk1 @ ( sk3 @ ( sk2 @ sum ) @ sk5 ) @ incident_c ) ) ),
    inference(simp,[status(thm)],[638]) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ? [C: $i] : ( B @ ( A @ ( C @ meet ) ) )
     => ? [C: $i] :
          ( C
          = ( B @ ( A @ sum ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c8) ).

thf(131,plain,
    ! [A: $i,B: $i] :
      ( ? [C: $i] : ( B @ ( A @ ( C @ meet ) ) )
     => ? [C: $i] :
          ( C
          = ( B @ ( A @ sum ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(9468,plain,
    $false,
    inference(e,[status(thm)],[101,269,216,53,41,134,49,66,739,58,94,56,142,709,24,25,46,152,1169,61,60,270,38,275,229,252,710,225,96,1251,34,64,22,711,27,59,118,1250,35,548,145,50,67,699,26,23,36,854,19,624,644,131]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : GEO093+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.12/0.39  % Computer : n007.cluster.edu
% 0.12/0.39  % Model    : x86_64 x86_64
% 0.12/0.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.39  % Memory   : 8046.5625MB
% 0.12/0.39  % OS       : Linux 6.8.0-71-generic
% 0.12/0.39  % CPULimit : 300
% 0.12/0.39  % WCLimit  : 300
% 0.12/0.39  % DateTime : Fri Sep 25 12:40:38 UTC 2026
% 0.12/0.39  % CPUTime  : 
% 0.12/0.39  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.90/0.96  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.29/1.18  % [INFO] 	 Parsing done (211ms). 
% 1.29/1.19  % [INFO] 	 Running in sequential loop mode. 
% 2.16/1.61  % [INFO] 	 eprover registered as external prover. 
% 2.16/1.61  % [INFO] 	 Scanning for conjecture ... 
% 2.35/1.72  % [INFO] 	 Found a conjecture (or negated_conjecture) and 16 axioms. Running axiom selection ... 
% 2.35/1.79  % [INFO] 	 Axiom selection finished. Selected 16 axioms (removed 0 axioms). 
% 2.53/1.84  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.53/1.85  % [INFO] 	 Type checking passed. 
% 2.53/1.86  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 32.47/7.75  % External prover 'e' found a proof!
% 32.47/7.75  % [INFO] 	 Killing All external provers ... 
% 32.47/7.75  % Time passed: 7231ms (effective reasoning time: 6557ms)
% 32.47/7.75  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 32.47/7.76  % Axioms used in derivation (16): end_point_defn, c8, meet_defn, part_of_defn, c9, sum_defn, closed_defn, c7, inner_point_defn, c3, c4, c5, c2, c1, c6, open_defn
% 32.47/7.76  % No. of inferences in proof: 135
% 32.47/7.76  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 7231 ms resp. 6557 ms w/o parsing
% 27.94/7.84  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 27.94/7.84  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------