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iProver---3.9.4.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : SEU053+1 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM

% Computer : n003.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 : Fri Sep 25 02:55:10 PM UTC 2026

% Result   : Theorem 95.38s 14.05s
% Output   : CNFRefutation 95.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   11
% Syntax   : Number of formulae    :  100 (  36 unt;   0 def)
%            Number of atoms       :  278 (  98 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  308 ( 130   ~; 135   |;  29   &)
%                                         (   4 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   2 con; 0-2 aty)
%            Number of variables   :  120 (   1 sgn 114   !;   6   ?;  45   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f5,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_intersection2(X0,X1) = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

fof(f8,axiom,
    ! [X0] :
      ( ( function(X0)
        & relation(X0) )
     => ( one_to_one(X0)
      <=> ! [X1,X2] :
            ( ( apply(X0,X1) = apply(X0,X2)
              & in(X2,relation_dom(X0))
              & in(X1,relation_dom(X0)) )
           => X1 = X2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_funct_1) ).

fof(f14,axiom,
    ! [X0] : ~ empty(singleton(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

fof(f15,axiom,
    ( relation(empty_set)
    & empty(empty_set) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

fof(f18,axiom,
    ! [X0,X1] : set_intersection2(X0,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

fof(f34,axiom,
    ! [X0,X1] :
      ( ( function(X1)
        & relation(X1) )
     => ( in(X0,relation_dom(X1))
       => relation_image(X1,singleton(X0)) = singleton(apply(X1,X0)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t117_funct_1) ).

fof(f35,conjecture,
    ! [X0] :
      ( ( function(X0)
        & relation(X0) )
     => ( ! [X1,X2] : relation_image(X0,set_intersection2(X1,X2)) = set_intersection2(relation_image(X0,X1),relation_image(X0,X2))
       => one_to_one(X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t122_funct_1) ).

fof(f36,negated_conjecture,
    ~ ! [X0] :
        ( ( function(X0)
          & relation(X0) )
       => ( ! [X1,X2] : relation_image(X0,set_intersection2(X1,X2)) = set_intersection2(relation_image(X0,X1),relation_image(X0,X2))
         => one_to_one(X0) ) ),
    inference(negated_conjecture,[status(cth)],[f35]) ).

fof(f37,axiom,
    ! [X0] :
      ( relation(X0)
     => relation_image(X0,empty_set) = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t149_relat_1) ).

fof(f38,axiom,
    ! [X0,X1] :
      ( X0 != X1
     => disjoint(singleton(X0),singleton(X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_zfmisc_1) ).

fof(f48,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(rectify,[],[f18]) ).

fof(f58,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | ( one_to_one(X0)
      <=> ! [X1,X2] :
            ( apply(X0,X1) != apply(X0,X2)
            | ~ in(X2,relation_dom(X0))
            | ~ in(X1,relation_dom(X0))
            | X1 = X2 ) ) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f59,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | ( one_to_one(X0)
      <=> ! [X1,X2] :
            ( apply(X0,X1) != apply(X0,X2)
            | ~ in(X2,relation_dom(X0))
            | ~ in(X1,relation_dom(X0))
            | X1 = X2 ) ) ),
    inference(flattening,[],[f58]) ).

fof(f73,plain,
    ! [X0,X1] :
      ( ~ function(X1)
      | ~ relation(X1)
      | ~ in(X0,relation_dom(X1))
      | relation_image(X1,singleton(X0)) = singleton(apply(X1,X0)) ),
    inference(ennf_transformation,[],[f34]) ).

fof(f74,plain,
    ! [X0,X1] :
      ( ~ function(X1)
      | ~ relation(X1)
      | ~ in(X0,relation_dom(X1))
      | relation_image(X1,singleton(X0)) = singleton(apply(X1,X0)) ),
    inference(flattening,[],[f73]) ).

fof(f75,plain,
    ? [X0] :
      ( function(X0)
      & relation(X0)
      & ! [X1,X2] : relation_image(X0,set_intersection2(X1,X2)) = set_intersection2(relation_image(X0,X1),relation_image(X0,X2))
      & ~ one_to_one(X0) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f76,plain,
    ? [X0] :
      ( function(X0)
      & relation(X0)
      & ! [X1,X2] : relation_image(X0,set_intersection2(X1,X2)) = set_intersection2(relation_image(X0,X1),relation_image(X0,X2))
      & ~ one_to_one(X0) ),
    inference(flattening,[],[f75]) ).

fof(f77,plain,
    ! [X0] :
      ( ~ relation(X0)
      | relation_image(X0,empty_set) = empty_set ),
    inference(ennf_transformation,[],[f37]) ).

fof(f78,plain,
    ! [X0,X1] :
      ( X0 = X1
      | disjoint(singleton(X0),singleton(X1)) ),
    inference(ennf_transformation,[],[f38]) ).

fof(f92,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | set_intersection2(X0,X1) = empty_set )
      & ( set_intersection2(X0,X1) != empty_set
        | disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f93,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | ( ( ~ one_to_one(X0)
          | ! [X1,X2] :
              ( apply(X0,X1) != apply(X0,X2)
              | ~ in(X2,relation_dom(X0))
              | ~ in(X1,relation_dom(X0))
              | X1 = X2 ) )
        & ( ? [X1,X2] :
              ( apply(X0,X1) = apply(X0,X2)
              & in(X2,relation_dom(X0))
              & in(X1,relation_dom(X0))
              & X1 != X2 )
          | one_to_one(X0) ) ) ),
    inference(nnf_transformation,[],[f59]) ).

fof(f94,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | ( ( ~ one_to_one(X0)
          | ! [X3,X4] :
              ( apply(X0,X3) != apply(X0,X4)
              | ~ in(X4,relation_dom(X0))
              | ~ in(X3,relation_dom(X0))
              | X3 = X4 ) )
        & ( ? [X1,X2] :
              ( apply(X0,X1) = apply(X0,X2)
              & in(X2,relation_dom(X0))
              & in(X1,relation_dom(X0))
              & X1 != X2 )
          | one_to_one(X0) ) ) ),
    inference(rectify,[],[f93]) ).

fof(f95,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | ( ( ~ one_to_one(X0)
          | ! [X3,X4] :
              ( apply(X0,X3) != apply(X0,X4)
              | ~ in(X4,relation_dom(X0))
              | ~ in(X3,relation_dom(X0))
              | X3 = X4 ) )
        & ( ( apply(X0,sK1(X0)) = apply(X0,sK2(X0))
            & in(sK2(X0),relation_dom(X0))
            & in(sK1(X0),relation_dom(X0))
            & sK1(X0) != sK2(X0) )
          | one_to_one(X0) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1,sK2]),skolemize(X1,sK1(X0)),skolemize(X2,sK2(X0))],[f94]) ).

fof(f108,plain,
    ( function(sK14)
    & relation(sK14)
    & ! [X1,X2] : relation_image(sK14,set_intersection2(X1,X2)) = set_intersection2(relation_image(sK14,X1),relation_image(sK14,X2))
    & ~ one_to_one(sK14) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK14]),skolemize(X0,sK14)],[f76]) ).

fof(f115,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f5]) ).

fof(f120,plain,
    ! [X0,X1] :
      ( ~ disjoint(X0,X1)
      | set_intersection2(X0,X1) = empty_set ),
    inference(cnf_transformation,[],[f92]) ).

fof(f123,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | apply(X0,sK1(X0)) = apply(X0,sK2(X0))
      | one_to_one(X0) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f124,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | in(sK2(X0),relation_dom(X0))
      | one_to_one(X0) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f125,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | in(sK1(X0),relation_dom(X0))
      | one_to_one(X0) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f126,plain,
    ! [X0] :
      ( ~ function(X0)
      | ~ relation(X0)
      | sK1(X0) != sK2(X0)
      | one_to_one(X0) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f133,plain,
    ! [X0] : ~ empty(singleton(X0)),
    inference(cnf_transformation,[],[f14]) ).

fof(f135,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f15]) ).

fof(f139,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(cnf_transformation,[],[f48]) ).

fof(f165,plain,
    ! [X0,X1] :
      ( ~ function(X1)
      | ~ relation(X1)
      | ~ in(X0,relation_dom(X1))
      | relation_image(X1,singleton(X0)) = singleton(apply(X1,X0)) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f166,plain,
    function(sK14),
    inference(cnf_transformation,[],[f108]) ).

fof(f167,plain,
    relation(sK14),
    inference(cnf_transformation,[],[f108]) ).

fof(f168,plain,
    ! [X2,X1] : relation_image(sK14,set_intersection2(X1,X2)) = set_intersection2(relation_image(sK14,X1),relation_image(sK14,X2)),
    inference(cnf_transformation,[],[f108]) ).

fof(f169,plain,
    ~ one_to_one(sK14),
    inference(cnf_transformation,[],[f108]) ).

fof(f170,plain,
    ! [X0] :
      ( ~ relation(X0)
      | empty_set = relation_image(X0,empty_set) ),
    inference(cnf_transformation,[],[f77]) ).

fof(f171,plain,
    ! [X0,X1] :
      ( X0 = X1
      | disjoint(singleton(X0),singleton(X1)) ),
    inference(cnf_transformation,[],[f78]) ).

tcf(c_53,plain,
    ! [X0: $i,X1: $i] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f115]) ).

tcf(c_59,plain,
    ! [X0: $i,X1: $i] :
      ( ( set_intersection2(X0,X1) = empty_set )
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f120]) ).

tcf(c_60,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | ~ relation(X0)
      | ~ function(X0)
      | ( sK1(X0) != sK2(X0) ) ),
    inference(cnf_transformation,[],[f126]) ).

tcf(c_61,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | in(sK1(X0),relation_dom(X0))
      | ~ relation(X0)
      | ~ function(X0) ),
    inference(cnf_transformation,[],[f125]) ).

tcf(c_62,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | in(sK2(X0),relation_dom(X0))
      | ~ relation(X0)
      | ~ function(X0) ),
    inference(cnf_transformation,[],[f124]) ).

tcf(c_63,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | ( apply(X0,sK1(X0)) = apply(X0,sK2(X0)) )
      | ~ relation(X0)
      | ~ function(X0) ),
    inference(cnf_transformation,[],[f123]) ).

tcf(c_71,plain,
    ! [X0: $i] : ~ empty(singleton(X0)),
    inference(cnf_transformation,[],[f133]) ).

tcf(c_72,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f135]) ).

tcf(c_77,plain,
    ! [X0: $i] : set_intersection2(X0,X0) = X0,
    inference(cnf_transformation,[],[f139]) ).

tcf(c_103,plain,
    ! [X0: $i,X1: $i] :
      ( ( singleton(apply(X1,X0)) = relation_image(X1,singleton(X0)) )
      | ~ relation(X1)
      | ~ function(X1)
      | ~ in(X0,relation_dom(X1)) ),
    inference(cnf_transformation,[],[f165]) ).

tcf(c_104,negated_conjecture,
    ~ one_to_one(sK14),
    inference(cnf_transformation,[],[f169]) ).

tcf(c_105,negated_conjecture,
    ! [X0: $i,X1: $i] : set_intersection2(relation_image(sK14,X0),relation_image(sK14,X1)) = relation_image(sK14,set_intersection2(X0,X1)),
    inference(cnf_transformation,[],[f168]) ).

tcf(c_106,negated_conjecture,
    relation(sK14),
    inference(cnf_transformation,[],[f167]) ).

tcf(c_107,negated_conjecture,
    function(sK14),
    inference(cnf_transformation,[],[f166]) ).

tcf(c_108,plain,
    ! [X0: $i] :
      ( ( relation_image(X0,empty_set) = empty_set )
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f170]) ).

tcf(c_109,plain,
    ! [X0: $i,X1: $i] :
      ( disjoint(singleton(X0),singleton(X1))
      | ( X0 = X1 ) ),
    inference(cnf_transformation,[],[f171]) ).

tcf(c_840,plain,
    ! [X0: $i] :
      ( ( apply(X0,sK1(X0)) = apply(X0,sK2(X0)) )
      | ~ relation(X0)
      | ~ function(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_63,c_104]) ).

tcf(c_841,plain,
    ( ( apply(sK14,sK1(sK14)) = apply(sK14,sK2(sK14)) )
    | ~ relation(sK14)
    | ~ function(sK14) ),
    inference(unflattening,[status(thm)],[c_840]) ).

tcf(c_847,plain,
    ! [X0: $i] :
      ( in(sK2(X0),relation_dom(X0))
      | ~ relation(X0)
      | ~ function(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_62,c_104]) ).

tcf(c_848,plain,
    ( in(sK2(sK14),relation_dom(sK14))
    | ~ relation(sK14)
    | ~ function(sK14) ),
    inference(unflattening,[status(thm)],[c_847]) ).

tcf(c_854,plain,
    ! [X0: $i] :
      ( in(sK1(X0),relation_dom(X0))
      | ~ relation(X0)
      | ~ function(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_61,c_104]) ).

tcf(c_855,plain,
    ( in(sK1(sK14),relation_dom(sK14))
    | ~ relation(sK14)
    | ~ function(sK14) ),
    inference(unflattening,[status(thm)],[c_854]) ).

tcf(c_861,plain,
    ! [X0: $i] :
      ( ~ relation(X0)
      | ~ function(X0)
      | ( X0 != sK14 )
      | ( sK1(X0) != sK2(X0) ) ),
    inference(resolution_lifted,[status(thm)],[c_60,c_104]) ).

tcf(c_862,plain,
    ( ~ relation(sK14)
    | ~ function(sK14)
    | ( sK1(sK14) != sK2(sK14) ) ),
    inference(unflattening,[status(thm)],[c_861]) ).

tcf(c_1007,plain,
    ! [X0: $i,X1: $i] :
      ( ( singleton(apply(X0,X1)) = relation_image(X0,singleton(X1)) )
      | ~ relation(X0)
      | ~ in(X1,relation_dom(X0))
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_103,c_107]) ).

tcf(c_1008,plain,
    ! [X0: $i] :
      ( ( singleton(apply(sK14,X0)) = relation_image(sK14,singleton(X0)) )
      | ~ relation(sK14)
      | ~ in(X0,relation_dom(sK14)) ),
    inference(unflattening,[status(thm)],[c_1007]) ).

tcf(c_1010,plain,
    ! [X0: $i] :
      ( ( singleton(apply(sK14,X0)) = relation_image(sK14,singleton(X0)) )
      | ~ in(X0,relation_dom(sK14)) ),
    inference(global_subsumption_just,[status(thm)],[c_1008,c_106,c_1008]) ).

tcf(c_1167,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | ( apply(X0,sK1(X0)) = apply(X0,sK2(X0)) )
      | ~ relation(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_63,c_107]) ).

tcf(c_1168,plain,
    ( one_to_one(sK14)
    | ( apply(sK14,sK1(sK14)) = apply(sK14,sK2(sK14)) )
    | ~ relation(sK14) ),
    inference(unflattening,[status(thm)],[c_1167]) ).

tcf(c_1169,plain,
    apply(sK14,sK1(sK14)) = apply(sK14,sK2(sK14)),
    inference(global_subsumption_just,[status(thm)],[c_1168,c_107,c_106,c_841]) ).

tcf(c_1174,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | in(sK2(X0),relation_dom(X0))
      | ~ relation(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_62,c_107]) ).

tcf(c_1175,plain,
    ( one_to_one(sK14)
    | in(sK2(sK14),relation_dom(sK14))
    | ~ relation(sK14) ),
    inference(unflattening,[status(thm)],[c_1174]) ).

tcf(c_1176,plain,
    in(sK2(sK14),relation_dom(sK14)),
    inference(global_subsumption_just,[status(thm)],[c_1175,c_107,c_106,c_848]) ).

tcf(c_1181,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | in(sK1(X0),relation_dom(X0))
      | ~ relation(X0)
      | ( X0 != sK14 ) ),
    inference(resolution_lifted,[status(thm)],[c_61,c_107]) ).

tcf(c_1182,plain,
    ( one_to_one(sK14)
    | in(sK1(sK14),relation_dom(sK14))
    | ~ relation(sK14) ),
    inference(unflattening,[status(thm)],[c_1181]) ).

tcf(c_1183,plain,
    in(sK1(sK14),relation_dom(sK14)),
    inference(global_subsumption_just,[status(thm)],[c_1182,c_107,c_106,c_855]) ).

tcf(c_1188,plain,
    ! [X0: $i] :
      ( one_to_one(X0)
      | ~ relation(X0)
      | ( X0 != sK14 )
      | ( sK1(X0) != sK2(X0) ) ),
    inference(resolution_lifted,[status(thm)],[c_60,c_107]) ).

tcf(c_1189,plain,
    ( one_to_one(sK14)
    | ~ relation(sK14)
    | ( sK1(sK14) != sK2(sK14) ) ),
    inference(unflattening,[status(thm)],[c_1188]) ).

tcf(c_1190,plain,
    sK1(sK14) != sK2(sK14),
    inference(global_subsumption_just,[status(thm)],[c_1189,c_107,c_106,c_862]) ).

tcf(c_1951,plain,
    ! [X0: $i,X1: $i] :
      ( empty(X0)
      | ~ empty(X1)
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_3329,plain,
    relation_image(sK14,empty_set) = empty_set,
    inference(superposition,[status(thm)],[c_106,c_108]) ).

tcf(c_3347,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ( set_intersection2(singleton(X0),singleton(X1)) = empty_set ) ),
    inference(superposition,[status(thm)],[c_109,c_59]) ).

tcf(c_3375,plain,
    ! [X0: $i,X1: $i] : set_intersection2(relation_image(sK14,X0),relation_image(sK14,X1)) = relation_image(sK14,set_intersection2(X1,X0)),
    inference(superposition,[status(thm)],[c_105,c_53]) ).

tcf(c_3379,plain,
    singleton(apply(sK14,sK2(sK14))) = relation_image(sK14,singleton(sK2(sK14))),
    inference(superposition,[status(thm)],[c_1176,c_1010]) ).

tcf(c_3380,plain,
    singleton(apply(sK14,sK1(sK14))) = relation_image(sK14,singleton(sK1(sK14))),
    inference(superposition,[status(thm)],[c_1183,c_1010]) ).

tcf(c_3381,plain,
    singleton(apply(sK14,sK1(sK14))) = relation_image(sK14,singleton(sK2(sK14))),
    inference(light_normalisation,[status(thm)],[c_3379,c_1169]) ).

tcf(c_3635,plain,
    ! [X0: $i,X1: $i] : relation_image(sK14,set_intersection2(X0,X1)) = relation_image(sK14,set_intersection2(X1,X0)),
    inference(superposition,[status(thm)],[c_3375,c_105]) ).

tcf(c_3672,plain,
    ! [X0: $i] : set_intersection2(relation_image(sK14,X0),singleton(apply(sK14,sK1(sK14)))) = relation_image(sK14,set_intersection2(X0,singleton(sK2(sK14)))),
    inference(superposition,[status(thm)],[c_3381,c_105]) ).

tcf(c_3884,plain,
    ! [X0: $i,X1: $i] :
      ( empty(singleton(X0))
      | ~ empty(X1)
      | ( singleton(X0) != X1 ) ),
    inference(instantiation,[status(thm)],[c_1951]) ).

tcf(c_4305,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ( relation_image(sK14,set_intersection2(singleton(X0),singleton(X1))) = relation_image(sK14,empty_set) ) ),
    inference(superposition,[status(thm)],[c_3347,c_3635]) ).

tcf(c_4321,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ( relation_image(sK14,set_intersection2(singleton(X0),singleton(X1))) = empty_set ) ),
    inference(light_normalisation,[status(thm)],[c_4305,c_3329]) ).

tcf(c_4602,plain,
    set_intersection2(singleton(apply(sK14,sK1(sK14))),singleton(apply(sK14,sK1(sK14)))) = relation_image(sK14,set_intersection2(singleton(sK1(sK14)),singleton(sK2(sK14)))),
    inference(superposition,[status(thm)],[c_3380,c_3672]) ).

tcf(c_4621,plain,
    relation_image(sK14,set_intersection2(singleton(sK1(sK14)),singleton(sK2(sK14)))) = singleton(apply(sK14,sK1(sK14))),
    inference(demodulation,[status(thm)],[c_4602,c_77]) ).

tcf(c_6945,plain,
    ~ empty(singleton(apply(sK14,sK1(sK14)))),
    inference(instantiation,[status(thm)],[c_71]) ).

tcf(c_13385,plain,
    ( ( sK1(sK14) = sK2(sK14) )
    | ( singleton(apply(sK14,sK1(sK14))) = empty_set ) ),
    inference(superposition,[status(thm)],[c_4621,c_4321]) ).

tcf(c_13386,plain,
    singleton(apply(sK14,sK1(sK14))) = empty_set,
    inference(forward_subsumption_resolution,[status(thm)],[c_13385,c_1190]) ).

tcf(c_20199,plain,
    ! [X0: $i] :
      ( empty(singleton(apply(sK14,sK1(sK14))))
      | ~ empty(X0)
      | ( singleton(apply(sK14,sK1(sK14))) != X0 ) ),
    inference(instantiation,[status(thm)],[c_3884]) ).

tcf(c_20200,plain,
    ( empty(singleton(apply(sK14,sK1(sK14))))
    | ~ empty(empty_set)
    | ( singleton(apply(sK14,sK1(sK14))) != empty_set ) ),
    inference(instantiation,[status(thm)],[c_20199]) ).

tcf(c_20201,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_20200,c_13386,c_6945,c_72]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU053+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.10/0.36  % Computer : n003.cluster.edu
% 0.10/0.36  % Model    : x86_64 x86_64
% 0.10/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36  % Memory   : 8046.5625MB
% 0.10/0.36  % OS       : Linux 6.8.0-71-generic
% 0.10/0.36  % CPULimit : 300
% 0.10/0.36  % WCLimit  : 300
% 0.10/0.36  % DateTime : Thu Sep 24 12:41:06 UTC 2026
% 0.10/0.37  % CPUTime  : 
% 0.15/0.37  Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.15/0.43  Running first-order theorem proving
% 0.15/0.43  Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.45  
% 0.15/0.45  % ======== iProver multi-core TPTP/SMT =========
% 0.15/0.45  
% 0.15/0.45  % Detected problem language: tptp
% 0.15/0.46  % Proving...
% 95.38/14.05  % SZS status Started for theBenchmark.p
% 95.38/14.05  % SZS status Theorem for theBenchmark.p
% 95.38/14.05  
% 95.38/14.05  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 95.38/14.05  
% 95.38/14.05  % ------  iProver source info
% 95.38/14.05  
% 95.38/14.05  % git: date: 2026-07-19 20:42:38 +0200
% 95.38/14.05  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 95.38/14.05  % git: non_committed_changes: false
% 95.38/14.05  
% 95.38/14.05  % ------ Parsing...
% 95.38/14.05  % ------ Clausification by vclausify_rel  & Parsing by iProver...% 
% 95.38/14.05  
% 95.38/14.05  % ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe_e % 
% 95.38/14.05  
% 95.38/14.05  % ------ Preprocessing... gs_s  sp: 2 0s  gs_e  snvd_s sp: 0 0s snvd_e % 
% 95.38/14.05  
% 95.38/14.05  % ------ Preprocessing... sf_s  rm: 3 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 95.38/14.05  % ------ Proving...
% 95.38/14.05  % ------ Problem Properties 
% 95.38/14.05  
% 95.38/14.05  % 
% 95.38/14.05  % clauses                               78
% 95.38/14.05  % conjectures                           3
% 95.38/14.05  % EPR                                   31
% 95.38/14.05  % Horn                                  64
% 95.38/14.05  % unary                                 31
% 95.38/14.05  % binary                                30
% 95.38/14.05  % lits                                  151
% 95.38/14.05  % lits eq                               34
% 95.38/14.05  % fd_pure                               0
% 95.38/14.05  % fd_pseudo                             0
% 95.38/14.05  % fd_cond                               1
% 95.38/14.05  % fd_pseudo_cond                        8
% 95.38/14.05  % AC symbols                            0
% 95.38/14.05  
% 95.38/14.05  % ------ Input Options Time Limit: Unbounded
% 95.38/14.05  
% 95.38/14.05  
% 95.38/14.05  % ------ 
% 95.38/14.05  % Current options:
% 95.38/14.05  % ------ 
% 95.38/14.05  
% 95.38/14.05  
% 95.38/14.05  % 
% 95.38/14.05  
% 95.38/14.05  % ------ Proving...
% 95.38/14.05  % 
% 95.38/14.05  
% 95.38/14.05  % SZS status Theorem for theBenchmark.p
% 95.38/14.05  
% 95.38/14.05  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 95.38/14.05  
% 95.38/14.05  
%------------------------------------------------------------------------------