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

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : MGT089+1 : TPTP v9.3.1. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n001.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 08:00:53 AM UTC 2026

% Result   : Theorem 5.01s 7.82s
% Output   : Refutation 5.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   37
% Syntax   : Number of formulae    :   76 (  34 unt;   0 typ;   0 def)
%            Number of atoms       :  185 (  13 equ;   0 cnn)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  560 (   9   ~;  12   |;  41   &; 442   @)
%                                         (  13 <=>;  43  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   25 (  23 usr;   9 con; 0-8 aty)
%            Number of variables   :  133 (   0   ^; 127   !;   6   ?; 133   :)

% Comments : 
%------------------------------------------------------------------------------
thf(prec_decl,type,
    prec: $i > $i > $i > $i > $o ).

thf(v5_decl,type,
    v5: $i ).

thf(o_decl,type,
    o: $i ).

thf(axis_compatible_decl,type,
    axis_compatible: $i > $i > $i > $i > $o ).

thf(in_closed_decl,type,
    in_closed: $i > $i > $i > $o ).

thf(axis_subsumes_decl,type,
    axis_subsumes: $i > $i > $i > $i > $o ).

thf(axis_conflict_decl,type,
    axis_conflict: $i > $i > $i > $i > $o ).

thf(upper_tag_decl,type,
    upper_tag: $i > $i > $o ).

thf(gteq_decl,type,
    gteq: $i ).

thf(c_decl,type,
    c: $i ).

thf(lower_tag_decl,type,
    lower_tag: $i > $i > $o ).

thf(lteq_decl,type,
    lteq: $i ).

thf(gt_decl,type,
    gt: $i ).

thf(less_decl,type,
    less: $i > $i > $o ).

thf(leq_decl,type,
    leq: $i > $i > $o ).

thf(eq_decl,type,
    eq: $i ).

thf(is_ep_type_decl,type,
    is_ep_type: $i > $o ).

thf(in_lopen_decl,type,
    in_lopen: $i > $i > $i > $o ).

thf(in_ropen_decl,type,
    in_ropen: $i > $i > $i > $o ).

thf(in_open_decl,type,
    in_open: $i > $i > $i > $o ).

thf(lt_decl,type,
    lt: $i ).

thf(val_decl,type,
    val: $i > $o ).

thf(disjoint_decl,type,
    disjoint: $i > $i > $i > $i > $i > $i > $i > $i > $o ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ leq ) )
    <=> ( ( A = B )
        | ( B @ ( A @ less ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',leq_def) ).

thf(101,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( A = B )
          | ( B @ ( A @ less ) ) )
       => ( B @ ( A @ leq ) ) )
      & ( ( B @ ( A @ leq ) )
       => ( ( A = B )
          | ( B @ ( A @ less ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(25,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ in_open ) ) )
    <=> ( ( C @ ( A @ less ) )
        & ( A @ ( B @ less ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',in_open) ).

thf(120,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ less ) )
          & ( A @ ( B @ less ) ) )
       => ( C @ ( B @ ( A @ in_open ) ) ) )
      & ( ( C @ ( B @ ( A @ in_open ) ) )
       => ( ( C @ ( A @ less ) )
          & ( A @ ( B @ less ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(37,axiom,
    ! [A: $i,B: $i] :
      ( ( c @ ( c @ ( B @ ( A @ prec ) ) ) )
    <=> ( B @ ( A @ less ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prec_cc) ).

thf(157,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ less ) )
       => ( c @ ( c @ ( B @ ( A @ prec ) ) ) ) )
      & ( ( c @ ( c @ ( B @ ( A @ prec ) ) ) )
       => ( B @ ( A @ less ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(20,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ in_lopen ) ) )
    <=> ( ( C @ ( A @ leq ) )
        & ( A @ ( B @ less ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',in_lopen) ).

thf(93,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ leq ) )
          & ( A @ ( B @ less ) ) )
       => ( C @ ( B @ ( A @ in_lopen ) ) ) )
      & ( ( C @ ( B @ ( A @ in_lopen ) ) )
       => ( ( C @ ( A @ leq ) )
          & ( A @ ( B @ less ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(14,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ leq ) )
        & ( B @ ( A @ leq ) ) )
     => ( C @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',leq_trans) ).

thf(77,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ leq ) )
        & ( B @ ( A @ leq ) ) )
     => ( C @ ( A @ leq ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(28,axiom,
    c != o,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ep_types_distinct) ).

thf(129,plain,
    c != o,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(27,axiom,
    c @ ( eq @ lower_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_tag_eq) ).

thf(128,plain,
    c @ ( eq @ lower_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(7,axiom,
    c @ ( lteq @ lower_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_tag_lteq) ).

thf(64,plain,
    c @ ( lteq @ lower_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(24,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ less ) )
        & ( B @ ( A @ less ) ) )
     => ( C @ ( A @ less ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',transitive) ).

thf(118,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ less ) )
        & ( B @ ( A @ less ) ) )
     => ( C @ ( A @ less ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(26,axiom,
    c @ ( lt @ lower_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_tag_lt) ).

thf(127,plain,
    c @ ( lt @ lower_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ less ) )
      | ( A = B )
      | ( B @ ( A @ less ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',trichotomy) ).

thf(87,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ less ) )
      | ( A = B )
      | ( B @ ( A @ less ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(15,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ in_closed ) ) )
    <=> ( ( C @ ( A @ leq ) )
        & ( A @ ( B @ leq ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',in_closed) ).

thf(79,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ leq ) )
          & ( A @ ( B @ leq ) ) )
       => ( C @ ( B @ ( A @ in_closed ) ) ) )
      & ( ( C @ ( B @ ( A @ in_closed ) ) )
       => ( ( C @ ( A @ leq ) )
          & ( A @ ( B @ leq ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( A @ is_ep_type )
     => ( ( A = o )
        | ( A = c ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ep_type_enum) ).

thf(147,plain,
    ! [A: $i] :
      ( ( A @ is_ep_type )
     => ( ( A = o )
        | ( A = c ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(29,axiom,
    o @ ( lt @ upper_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',upper_tag_lt) ).

thf(132,plain,
    o @ ( lt @ upper_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(30,axiom,
    ! [A: $i,B: $i] :
      ( ( c @ ( o @ ( B @ ( A @ prec ) ) ) )
    <=> ( B @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prec_oc) ).

thf(133,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ leq ) )
       => ( c @ ( o @ ( B @ ( A @ prec ) ) ) ) )
      & ( ( c @ ( o @ ( B @ ( A @ prec ) ) ) )
       => ( B @ ( A @ leq ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(12,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ less ) )
        & ( B @ ( A @ leq ) ) )
     => ( C @ ( A @ less ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',leq_less_trans) ).

thf(74,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ less ) )
        & ( B @ ( A @ leq ) ) )
     => ( C @ ( A @ less ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(19,axiom,
    c @ ( gteq @ lower_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_tag_gteq) ).

thf(92,plain,
    c @ ( gteq @ lower_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(8,axiom,
    c @ ( gt @ upper_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',upper_tag_gt) ).

thf(65,plain,
    c @ ( gt @ upper_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(36,axiom,
    v5 @ val,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',val_v5) ).

thf(156,plain,
    v5 @ val,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( o @ ( o @ ( B @ ( A @ prec ) ) ) )
    <=> ( B @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prec_oo) ).

thf(141,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ leq ) )
       => ( o @ ( o @ ( B @ ( A @ prec ) ) ) ) )
      & ( ( o @ ( o @ ( B @ ( A @ prec ) ) ) )
       => ( B @ ( A @ leq ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A @ ( B @ leq ) )
        & ( B @ ( A @ leq ) ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',leq_antisym) ).

thf(71,plain,
    ! [A: $i,B: $i] :
      ( ( ( A @ ( B @ leq ) )
        & ( B @ ( A @ leq ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(16,axiom,
    c @ is_ep_type,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ep_c_is_ep) ).

thf(86,plain,
    c @ is_ep_type,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(13,axiom,
    c @ ( eq @ upper_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',upper_tag_eq) ).

thf(76,plain,
    c @ ( eq @ upper_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(1,conjecture,
    o @ ( o @ ( v5 @ ( v5 @ prec ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',odrl604) ).

thf(2,negated_conjecture,
    ~ ( o @ ( o @ ( v5 @ ( v5 @ prec ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(39,plain,
    ~ ( o @ ( o @ ( v5 @ ( v5 @ prec ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(32,axiom,
    o @ ( gt @ lower_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lower_tag_gt) ).

thf(140,plain,
    o @ ( gt @ lower_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(9,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ leq ) )
        & ( B @ ( A @ less ) ) )
     => ( C @ ( A @ less ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',less_leq_trans) ).

thf(66,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ leq ) )
        & ( B @ ( A @ less ) ) )
     => ( C @ ( A @ less ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(6,axiom,
    c @ ( gteq @ upper_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',upper_tag_gteq) ).

thf(63,plain,
    c @ ( gteq @ upper_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(35,axiom,
    ! [A: $i,B: $i] :
      ( ( o @ ( c @ ( B @ ( A @ prec ) ) ) )
    <=> ( B @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prec_co) ).

thf(150,plain,
    ! [A: $i,B: $i] :
      ( ( ( B @ ( A @ leq ) )
       => ( o @ ( c @ ( B @ ( A @ prec ) ) ) ) )
      & ( ( o @ ( c @ ( B @ ( A @ prec ) ) ) )
       => ( B @ ( A @ leq ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(3,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ ( B @ ( A @ axis_compatible ) ) ) )
    <=> ? [E: $i] :
          ( ( D @ ( C @ ( E @ in_closed ) ) )
          & ( B @ ( A @ ( E @ in_closed ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axis_compatible_def) ).

thf(40,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ? [E: $i] :
            ( ( D @ ( C @ ( E @ in_closed ) ) )
            & ( B @ ( A @ ( E @ in_closed ) ) ) )
       => ( D @ ( C @ ( B @ ( A @ axis_compatible ) ) ) ) )
      & ( ( D @ ( C @ ( B @ ( A @ axis_compatible ) ) ) )
       => ? [E: $i] :
            ( ( D @ ( C @ ( E @ in_closed ) ) )
            & ( B @ ( A @ ( E @ in_closed ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ ( B @ ( A @ axis_conflict ) ) ) )
    <=> ~ ? [E: $i] :
            ( ( D @ ( C @ ( E @ in_closed ) ) )
            & ( B @ ( A @ ( E @ in_closed ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axis_conflict_def) ).

thf(55,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ~ ? [E: $i] :
              ( ( D @ ( C @ ( E @ in_closed ) ) )
              & ( B @ ( A @ ( E @ in_closed ) ) ) )
       => ( D @ ( C @ ( B @ ( A @ axis_conflict ) ) ) ) )
      & ( ( D @ ( C @ ( B @ ( A @ axis_conflict ) ) ) )
       => ~ ? [E: $i] :
              ( ( D @ ( C @ ( E @ in_closed ) ) )
              & ( B @ ( A @ ( E @ in_closed ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(31,axiom,
    o @ is_ep_type,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ep_o_is_ep) ).

thf(139,plain,
    o @ is_ep_type,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D @ ( C @ ( B @ ( A @ axis_subsumes ) ) ) )
    <=> ! [E: $i] :
          ( ( B @ ( A @ ( E @ in_closed ) ) )
         => ( D @ ( C @ ( E @ in_closed ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axis_subsumes_def) ).

thf(47,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ! [E: $i] :
            ( ( B @ ( A @ ( E @ in_closed ) ) )
           => ( D @ ( C @ ( E @ in_closed ) ) ) )
       => ( D @ ( C @ ( B @ ( A @ axis_subsumes ) ) ) ) )
      & ( ( D @ ( C @ ( B @ ( A @ axis_subsumes ) ) ) )
       => ! [E: $i] :
            ( ( B @ ( A @ ( E @ in_closed ) ) )
           => ( D @ ( C @ ( E @ in_closed ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(38,axiom,
    ! [A: $i,B: $i,C: $i,D: $i,E: $i,F: $i,G: $i,H: $i] :
      ( ( H @ ( G @ ( F @ ( E @ ( D @ ( C @ ( B @ ( A @ disjoint ) ) ) ) ) ) ) )
    <=> ( ( C @ ( H @ ( A @ ( F @ prec ) ) ) )
        | ( G @ ( D @ ( E @ ( B @ prec ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',disjoint_def) ).

thf(163,plain,
    ! [A: $i,B: $i,C: $i,D: $i,E: $i,F: $i,G: $i,H: $i] :
      ( ( ( ( C @ ( H @ ( A @ ( F @ prec ) ) ) )
          | ( G @ ( D @ ( E @ ( B @ prec ) ) ) ) )
       => ( H @ ( G @ ( F @ ( E @ ( D @ ( C @ ( B @ ( A @ disjoint ) ) ) ) ) ) ) ) )
      & ( ( H @ ( G @ ( F @ ( E @ ( D @ ( C @ ( B @ ( A @ disjoint ) ) ) ) ) ) ) )
       => ( ( C @ ( H @ ( A @ ( F @ prec ) ) ) )
          | ( G @ ( D @ ( E @ ( B @ prec ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(10,axiom,
    ! [A: $i] :
      ~ ( A @ ( A @ less ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',irreflexive) ).

thf(68,plain,
    ! [A: $i] :
      ~ ( A @ ( A @ less ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(21,axiom,
    c @ ( lteq @ upper_tag ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',upper_tag_lteq) ).

thf(100,plain,
    c @ ( lteq @ upper_tag ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(18,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ less ) )
     => ( B @ ( A @ leq ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',less_implies_leq) ).

thf(90,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ less ) )
     => ( B @ ( A @ leq ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(23,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C @ ( B @ ( A @ in_ropen ) ) )
    <=> ( ( C @ ( A @ less ) )
        & ( A @ ( B @ leq ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',in_ropen) ).

thf(111,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( ( C @ ( A @ less ) )
          & ( A @ ( B @ leq ) ) )
       => ( C @ ( B @ ( A @ in_ropen ) ) ) )
      & ( ( C @ ( B @ ( A @ in_ropen ) ) )
       => ( ( C @ ( A @ less ) )
          & ( A @ ( B @ leq ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(171,plain,
    $false,
    inference(e,[status(thm)],[101,120,157,93,77,129,128,64,118,127,87,79,147,132,133,74,92,65,156,141,71,86,76,39,140,66,63,150,40,55,139,47,163,68,100,90,111]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : MGT089+1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.12/5.39  % Computer : n001.cluster.edu
% 0.12/5.39  % Model    : x86_64 x86_64
% 0.12/5.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/5.39  % Memory   : 8046.5625MB
% 0.12/5.39  % OS       : Linux 6.8.0-71-generic
% 0.12/5.39  % CPULimit : 300
% 0.12/5.39  % WCLimit  : 300
% 0.12/5.39  % DateTime : Sat Sep 26 00:18:16 UTC 2026
% 0.12/5.39  % CPUTime  : 
% 0.12/5.39  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.16/5.98  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.48/6.22  % [INFO] 	 Parsing done (233ms). 
% 1.48/6.23  % [INFO] 	 Running in sequential loop mode. 
% 2.16/6.63  % [INFO] 	 eprover registered as external prover. 
% 2.16/6.64  % [INFO] 	 Scanning for conjecture ... 
% 2.36/6.73  % [INFO] 	 Found a conjecture (or negated_conjecture) and 47 axioms. Running axiom selection ... 
% 2.53/6.80  % [INFO] 	 Axiom selection finished. Selected 36 axioms (removed 11 axioms). 
% 2.53/6.87  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.53/6.88  % [INFO] 	 Type checking passed. 
% 2.53/6.89  % [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 ... 
% 5.01/7.81  % External prover 'e' found a proof!
% 5.01/7.81  % [INFO] 	 Killing All external provers ... 
% 5.01/7.81  % Time passed: 2275ms (effective reasoning time: 1572ms)
% 5.01/7.81  % 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)>
% 5.01/7.81  % Axioms used in derivation (36): val_v5, upper_tag_gteq, upper_tag_lteq, lower_tag_eq, lower_tag_lt, lower_tag_gteq, lower_tag_lteq, ep_c_is_ep, upper_tag_eq, leq_def, leq_antisym, prec_oo, axis_subsumes_def, less_implies_leq, in_ropen, leq_trans, leq_less_trans, ep_o_is_ep, prec_co, axis_conflict_def, irreflexive, lower_tag_gt, in_closed, in_lopen, ep_types_distinct, less_leq_trans, axis_compatible_def, trichotomy, transitive, disjoint_def, in_open, ep_type_enum, upper_tag_gt, prec_oc, prec_cc, upper_tag_lt
% 5.01/7.81  % No. of inferences in proof: 76
% 5.01/7.82  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2275 ms resp. 1572 ms w/o parsing
% 5.28/7.90  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 5.28/7.91  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------