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iProver---3.9.4.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : SEV541+1 : TPTP v9.3.1. Released v9.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM

% Computer : n010.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 03:02:31 PM UTC 2026

% Result   : Theorem 18.63s 3.32s
% Output   : CNFRefutation 18.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   24
% Syntax   : Number of formulae    :  218 (  60 unt;   8 def)
%            Number of atoms       :  852 (  92 equ)
%            Maximal formula atoms :    6 (   3 avg)
%            Number of connectives :  484 ( 200   ~; 248   |;  22   &)
%                                         (   8 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   15 (  13 usr;   9 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   1 con; 0-2 aty)
%            Number of variables   :  217 (   0 sgn 209   !;   8   ?; 119   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] :
      ( subq(X0,X1)
    <=> ! [X2] :
          ( mem(X2,X0)
         => mem(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',subq_def) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( subq(X0,X1)
     => ( subq(X1,X0)
       => X0 = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',setext) ).

fof(f4,axiom,
    ! [X0] : ~ mem(X0,e),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',e_ax) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( mem(X0,s(X1))
    <=> X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',s_ax) ).

fof(f6,axiom,
    ! [X0,X1,X2] :
      ( mem(X0,u(X1,X2))
    <=> ( mem(X0,X2)
        | mem(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',u_ax) ).

fof(f8,axiom,
    ! [X0,X1] : a(X0,X1) = u(X0,s(X1)),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',a_def) ).

fof(f9,axiom,
    ! [X0] : n(X0) = a(X0,X0),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',n_def) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( mem(X0,p(X1))
    <=> subq(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',p_ax) ).

fof(f11,axiom,
    ! [X0] :
      ( atleast2p(X0)
    <=> ? [X1] :
          ( ~ subq(X0,p(X1))
          & mem(X1,X0) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',atleast2p_def) ).

fof(f12,axiom,
    ! [X0] :
      ( atleast3p(X0)
    <=> ? [X1] :
          ( ~ subq(X0,X1)
          & atleast2p(X1)
          & subq(X1,X0) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',atleast3p_def) ).

fof(f13,axiom,
    ! [X0] :
      ( atleast4p(X0)
    <=> ? [X1] :
          ( ~ subq(X0,X1)
          & atleast3p(X1)
          & subq(X1,X0) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET010+0.ax',atleast4p_def) ).

fof(f26,conjecture,
    atleast4p(u(n(e),n(n(s(n(e)))))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',atleast4_71) ).

fof(f27,negated_conjecture,
    ~ atleast4p(u(n(e),n(n(s(n(e)))))),
    inference(negated_conjecture,[status(cth)],[f26]) ).

fof(f28,plain,
    ~ atleast4p(u(n(e),n(n(s(n(e)))))),
    inference(flattening,[],[f27]) ).

fof(f29,plain,
    ! [X0] :
      ( ? [X1] :
          ( ~ subq(X0,X1)
          & atleast3p(X1)
          & subq(X1,X0) )
     => atleast4p(X0) ),
    inference(unused_predicate_definition_removal,[],[f13]) ).

fof(f30,plain,
    ! [X0] :
      ( ? [X1] :
          ( ~ subq(X0,X1)
          & atleast2p(X1)
          & subq(X1,X0) )
     => atleast3p(X0) ),
    inference(unused_predicate_definition_removal,[],[f12]) ).

fof(f31,plain,
    ! [X0] :
      ( ? [X1] :
          ( ~ subq(X0,p(X1))
          & mem(X1,X0) )
     => atleast2p(X0) ),
    inference(unused_predicate_definition_removal,[],[f11]) ).

fof(f32,plain,
    ! [X0,X1] :
      ( subq(X0,X1)
    <=> ! [X2] :
          ( ~ mem(X2,X0)
          | mem(X2,X1) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ~ subq(X0,X1)
      | ~ subq(X1,X0)
      | X0 = X1 ),
    inference(ennf_transformation,[],[f2]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ~ subq(X0,X1)
      | ~ subq(X1,X0)
      | X0 = X1 ),
    inference(flattening,[],[f33]) ).

fof(f35,plain,
    ! [X0] :
      ( ! [X1] :
          ( subq(X0,p(X1))
          | ~ mem(X1,X0) )
      | atleast2p(X0) ),
    inference(ennf_transformation,[],[f31]) ).

fof(f36,plain,
    ! [X0] :
      ( ! [X1] :
          ( subq(X0,X1)
          | ~ atleast2p(X1)
          | ~ subq(X1,X0) )
      | atleast3p(X0) ),
    inference(ennf_transformation,[],[f30]) ).

fof(f37,plain,
    ! [X0] :
      ( ! [X1] :
          ( subq(X0,X1)
          | ~ atleast3p(X1)
          | ~ subq(X1,X0) )
      | atleast4p(X0) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f38,plain,
    ! [X0,X1] :
      ( ( ~ subq(X0,X1)
        | ! [X2] :
            ( ~ mem(X2,X0)
            | mem(X2,X1) ) )
      & ( ? [X2] :
            ( mem(X2,X0)
            & ~ mem(X2,X1) )
        | subq(X0,X1) ) ),
    inference(nnf_transformation,[],[f32]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( ( ~ subq(X0,X1)
        | ! [X3] :
            ( ~ mem(X3,X0)
            | mem(X3,X1) ) )
      & ( ? [X2] :
            ( mem(X2,X0)
            & ~ mem(X2,X1) )
        | subq(X0,X1) ) ),
    inference(rectify,[],[f38]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ( ~ subq(X0,X1)
        | ! [X3] :
            ( ~ mem(X3,X0)
            | mem(X3,X1) ) )
      & ( ( mem(sK0(X0,X1),X0)
          & ~ mem(sK0(X0,X1),X1) )
        | subq(X0,X1) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X2,sK0(X0,X1))],[f39]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( ( ~ mem(X0,s(X1))
        | X0 = X1 )
      & ( X0 != X1
        | mem(X0,s(X1)) ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f42,plain,
    ! [X0,X1,X2] :
      ( ( ~ mem(X0,u(X1,X2))
        | mem(X0,X2)
        | mem(X0,X1) )
      & ( ( ~ mem(X0,X2)
          & ~ mem(X0,X1) )
        | mem(X0,u(X1,X2)) ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f43,plain,
    ! [X0,X1,X2] :
      ( ( ~ mem(X0,u(X1,X2))
        | mem(X0,X2)
        | mem(X0,X1) )
      & ( ( ~ mem(X0,X2)
          & ~ mem(X0,X1) )
        | mem(X0,u(X1,X2)) ) ),
    inference(flattening,[],[f42]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( ( ~ mem(X0,p(X1))
        | subq(X0,X1) )
      & ( ~ subq(X0,X1)
        | mem(X0,p(X1)) ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f47,plain,
    ! [X3,X0,X1] :
      ( ~ subq(X0,X1)
      | ~ mem(X3,X0)
      | mem(X3,X1) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f48,plain,
    ! [X0,X1] :
      ( mem(sK0(X0,X1),X0)
      | subq(X0,X1) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f49,plain,
    ! [X0,X1] :
      ( ~ mem(sK0(X0,X1),X1)
      | subq(X0,X1) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( ~ subq(X0,X1)
      | ~ subq(X1,X0)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f34]) ).

fof(f51,plain,
    ! [X0] : ~ mem(X0,e),
    inference(cnf_transformation,[],[f4]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( ~ mem(X0,s(X1))
      | X0 = X1 ),
    inference(cnf_transformation,[],[f41]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( X0 != X1
      | mem(X0,s(X1)) ),
    inference(cnf_transformation,[],[f41]) ).

fof(f54,plain,
    ! [X2,X0,X1] :
      ( ~ mem(X0,u(X1,X2))
      | mem(X0,X2)
      | mem(X0,X1) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f55,plain,
    ! [X2,X0,X1] :
      ( ~ mem(X0,X2)
      | mem(X0,u(X1,X2)) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f56,plain,
    ! [X2,X0,X1] :
      ( ~ mem(X0,X1)
      | mem(X0,u(X1,X2)) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f60,plain,
    ! [X0,X1] : a(X0,X1) = u(X0,s(X1)),
    inference(cnf_transformation,[],[f8]) ).

fof(f61,plain,
    ! [X0] : n(X0) = a(X0,X0),
    inference(cnf_transformation,[],[f9]) ).

fof(f62,plain,
    ! [X0,X1] :
      ( ~ mem(X0,p(X1))
      | subq(X0,X1) ),
    inference(cnf_transformation,[],[f46]) ).

fof(f64,plain,
    ! [X0,X1] :
      ( subq(X0,p(X1))
      | ~ mem(X1,X0)
      | atleast2p(X0) ),
    inference(cnf_transformation,[],[f35]) ).

fof(f65,plain,
    ! [X0,X1] :
      ( subq(X0,X1)
      | ~ atleast2p(X1)
      | ~ subq(X1,X0)
      | atleast3p(X0) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f66,plain,
    ! [X0,X1] :
      ( subq(X0,X1)
      | ~ atleast3p(X1)
      | ~ subq(X1,X0)
      | atleast4p(X0) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f67,plain,
    ~ atleast4p(u(n(e),n(n(s(n(e)))))),
    inference(cnf_transformation,[],[f28]) ).

fof(f68,plain,
    ! [X0] : n(X0) = u(X0,s(X0)),
    inference(definition_unfolding,[],[f61,f60]) ).

fof(f69,plain,
    ~ atleast4p(u(u(e,s(e)),u(u(s(u(e,s(e))),s(s(u(e,s(e))))),s(u(s(u(e,s(e))),s(s(u(e,s(e))))))))),
    inference(definition_unfolding,[],[f67,f68,f68,f68,f68]) ).

fof(f70,plain,
    ! [X1] : mem(X1,s(X1)),
    inference(equality_resolution,[],[f53]) ).

tcf(c_49,plain,
    ! [X0: $i,X1: $i] :
      ( subq(X0,X1)
      | ~ mem(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f49]) ).

tcf(c_50,plain,
    ! [X0: $i,X1: $i] :
      ( subq(X0,X1)
      | mem(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f48]) ).

tcf(c_51,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( mem(X2,X1)
      | ~ mem(X2,X0)
      | ~ subq(X0,X1) ),
    inference(cnf_transformation,[],[f47]) ).

tcf(c_52,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ subq(X1,X0)
      | ~ subq(X0,X1) ),
    inference(cnf_transformation,[],[f50]) ).

tcf(c_53,plain,
    ! [X0: $i] : ~ mem(X0,e),
    inference(cnf_transformation,[],[f51]) ).

tcf(c_54,plain,
    ! [X0: $i] : mem(X0,s(X0)),
    inference(cnf_transformation,[],[f70]) ).

tcf(c_55,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ mem(X0,s(X1)) ),
    inference(cnf_transformation,[],[f52]) ).

tcf(c_56,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( mem(X0,u(X1,X2))
      | ~ mem(X0,X1) ),
    inference(cnf_transformation,[],[f56]) ).

tcf(c_57,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( mem(X0,u(X2,X1))
      | ~ mem(X0,X1) ),
    inference(cnf_transformation,[],[f55]) ).

tcf(c_58,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( mem(X0,X2)
      | mem(X0,X1)
      | ~ mem(X0,u(X1,X2)) ),
    inference(cnf_transformation,[],[f54]) ).

tcf(c_63,plain,
    ! [X0: $i,X1: $i] :
      ( subq(X0,X1)
      | ~ mem(X0,p(X1)) ),
    inference(cnf_transformation,[],[f62]) ).

tcf(c_64,plain,
    ! [X0: $i,X1: $i] :
      ( atleast2p(X1)
      | subq(X1,p(X0))
      | ~ mem(X0,X1) ),
    inference(cnf_transformation,[],[f64]) ).

tcf(c_65,plain,
    ! [X0: $i,X1: $i] :
      ( atleast3p(X1)
      | subq(X1,X0)
      | ~ atleast2p(X0)
      | ~ subq(X0,X1) ),
    inference(cnf_transformation,[],[f65]) ).

tcf(c_66,plain,
    ! [X0: $i,X1: $i] :
      ( atleast4p(X1)
      | subq(X1,X0)
      | ~ atleast3p(X0)
      | ~ subq(X0,X1) ),
    inference(cnf_transformation,[],[f66]) ).

tcf(c_67,negated_conjecture,
    ~ atleast4p(u(u(e,s(e)),u(u(s(u(e,s(e))),s(s(u(e,s(e))))),s(u(s(u(e,s(e))),s(s(u(e,s(e))))))))),
    inference(cnf_transformation,[],[f69]) ).

tcf(c_68,plain,
    mem(e,s(e)),
    inference(instantiation,[status(thm)],[c_54]) ).

tcf(c_69,plain,
    ~ mem(e,e),
    inference(instantiation,[status(thm)],[c_53]) ).

tcf(c_74,plain,
    ( ( e = e )
    | ~ mem(e,s(e)) ),
    inference(instantiation,[status(thm)],[c_55]) ).

tcf(c_318,plain,
    ! [X0: $i,X1: $i] :
      ( subq(X0,X1)
      | ~ atleast3p(X1)
      | ~ subq(X1,X0)
      | ( u(u(e,s(e)),u(u(s(u(e,s(e))),s(s(u(e,s(e))))),s(u(s(u(e,s(e))),s(s(u(e,s(e)))))))) != X0 ) ),
    inference(resolution_lifted,[status(thm)],[c_66,c_67]) ).

tcf(c_319,plain,
    ! [X0: $i] :
      ( subq(u(u(e,s(e)),u(u(s(u(e,s(e))),s(s(u(e,s(e))))),s(u(s(u(e,s(e))),s(s(u(e,s(e)))))))),X0)
      | ~ atleast3p(X0)
      | ~ subq(X0,u(u(e,s(e)),u(u(s(u(e,s(e))),s(s(u(e,s(e))))),s(u(s(u(e,s(e))),s(s(u(e,s(e))))))))) ),
    inference(unflattening,[status(thm)],[c_318]) ).

tcf(c_654,definition,
    iPr_def_10 = s(e),
    introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).

tcf(c_655,definition,
    iPr_def_11 = u(e,iPr_def_10),
    introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).

tcf(c_656,definition,
    iPr_def_12 = s(iPr_def_11),
    introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).

tcf(c_657,definition,
    iPr_def_13 = s(iPr_def_12),
    introduced(definition,[new_symbols(definition,[iPr_def_13])],[]) ).

tcf(c_658,definition,
    iPr_def_14 = u(iPr_def_12,iPr_def_13),
    introduced(definition,[new_symbols(definition,[iPr_def_14])],[]) ).

tcf(c_659,definition,
    iPr_def_15 = s(iPr_def_14),
    introduced(definition,[new_symbols(definition,[iPr_def_15])],[]) ).

tcf(c_660,definition,
    iPr_def_16 = u(iPr_def_14,iPr_def_15),
    introduced(definition,[new_symbols(definition,[iPr_def_16])],[]) ).

tcf(c_661,definition,
    iPr_def_17 = u(iPr_def_11,iPr_def_16),
    introduced(definition,[new_symbols(definition,[iPr_def_17])],[]) ).

tcf(c_662,plain,
    ! [X0: $i] :
      ( subq(iPr_def_17,X0)
      | ~ atleast3p(X0)
      | ~ subq(X0,iPr_def_17) ),
    inference(demodulation,[status(thm)],[c_319,c_659,c_657,c_656,c_658,c_660,c_654,c_655,c_661]) ).

tcf(c_663,plain,
    ! [X0: $i] : X0 = X0,
    theory(equality) ).

tcf(c_665,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( X2 = X0 )
      | ( X2 != X1 )
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_666,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( subq(X0,X2)
      | ~ subq(X1,X3)
      | ( X2 != X3 )
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_667,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( mem(X0,X2)
      | ~ mem(X1,X3)
      | ( X2 != X3 )
      | ( X0 != X1 ) ),
    theory(equality) ).

tcf(c_1121,plain,
    mem(e,iPr_def_10),
    inference(superposition,[status(thm)],[c_654,c_54]) ).

tcf(c_1122,plain,
    mem(iPr_def_11,iPr_def_12),
    inference(superposition,[status(thm)],[c_656,c_54]) ).

tcf(c_1123,plain,
    mem(iPr_def_12,iPr_def_13),
    inference(superposition,[status(thm)],[c_657,c_54]) ).

tcf(c_1124,plain,
    mem(iPr_def_14,iPr_def_15),
    inference(superposition,[status(thm)],[c_659,c_54]) ).

tcf(c_1129,plain,
    ! [X0: $i] : subq(e,X0),
    inference(superposition,[status(thm)],[c_50,c_53]) ).

tcf(c_1130,plain,
    subq(e,e),
    inference(instantiation,[status(thm)],[c_1129]) ).

tcf(c_1165,plain,
    ! [X0: $i,X1: $i] :
      ( subq(s(X0),X1)
      | ( sK0(s(X0),X1) = X0 ) ),
    inference(superposition,[status(thm)],[c_50,c_55]) ).

tcf(c_1167,plain,
    ! [X0: $i] :
      ( ( X0 = e )
      | ~ mem(X0,iPr_def_10) ),
    inference(superposition,[status(thm)],[c_654,c_55]) ).

tcf(c_1168,plain,
    ! [X0: $i] :
      ( ( X0 = iPr_def_11 )
      | ~ mem(X0,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_656,c_55]) ).

tcf(c_1169,plain,
    ! [X0: $i] :
      ( ( X0 = iPr_def_12 )
      | ~ mem(X0,iPr_def_13) ),
    inference(superposition,[status(thm)],[c_657,c_55]) ).

tcf(c_1170,plain,
    ! [X0: $i] :
      ( ( X0 = iPr_def_14 )
      | ~ mem(X0,iPr_def_15) ),
    inference(superposition,[status(thm)],[c_659,c_55]) ).

tcf(c_1182,plain,
    ( ( e = iPr_def_12 )
    | ~ mem(e,iPr_def_13) ),
    inference(instantiation,[status(thm)],[c_1169]) ).

tcf(c_1189,plain,
    ! [X0: $i] :
      ( subq(iPr_def_10,X0)
      | ( sK0(iPr_def_10,X0) = e ) ),
    inference(superposition,[status(thm)],[c_50,c_1167]) ).

tcf(c_1231,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_14)
      | ~ mem(X0,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_658,c_56]) ).

tcf(c_1232,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_16)
      | ~ mem(X0,iPr_def_14) ),
    inference(superposition,[status(thm)],[c_660,c_56]) ).

tcf(c_1233,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_17)
      | ~ mem(X0,iPr_def_11) ),
    inference(superposition,[status(thm)],[c_661,c_56]) ).

tcf(c_1251,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_11)
      | ~ mem(X0,iPr_def_10) ),
    inference(superposition,[status(thm)],[c_655,c_57]) ).

tcf(c_1252,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_14)
      | ~ mem(X0,iPr_def_13) ),
    inference(superposition,[status(thm)],[c_658,c_57]) ).

tcf(c_1253,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_16)
      | ~ mem(X0,iPr_def_15) ),
    inference(superposition,[status(thm)],[c_660,c_57]) ).

tcf(c_1254,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_17)
      | ~ mem(X0,iPr_def_16) ),
    inference(superposition,[status(thm)],[c_661,c_57]) ).

tcf(c_1294,plain,
    ! [X0: $i] :
      ( subq(iPr_def_12,X0)
      | mem(sK0(iPr_def_12,X0),iPr_def_14) ),
    inference(superposition,[status(thm)],[c_50,c_1231]) ).

tcf(c_1295,plain,
    mem(iPr_def_11,iPr_def_14),
    inference(superposition,[status(thm)],[c_1122,c_1231]) ).

tcf(c_1307,plain,
    ! [X0: $i] :
      ( subq(iPr_def_14,X0)
      | mem(sK0(iPr_def_14,X0),iPr_def_16) ),
    inference(superposition,[status(thm)],[c_50,c_1232]) ).

tcf(c_1382,plain,
    ! [X0: $i] :
      ( subq(iPr_def_10,X0)
      | mem(sK0(iPr_def_10,X0),iPr_def_11) ),
    inference(superposition,[status(thm)],[c_50,c_1251]) ).

tcf(c_1383,plain,
    mem(e,iPr_def_11),
    inference(superposition,[status(thm)],[c_1121,c_1251]) ).

tcf(c_1391,plain,
    mem(e,iPr_def_17),
    inference(superposition,[status(thm)],[c_1383,c_1233]) ).

tcf(c_1410,plain,
    ! [X0: $i,X1: $i] :
      ( mem(X0,X1)
      | ~ subq(s(X0),X1) ),
    inference(superposition,[status(thm)],[c_54,c_51]) ).

tcf(c_1414,plain,
    ! [X0: $i] :
      ( mem(e,X0)
      | ~ subq(iPr_def_10,X0) ),
    inference(superposition,[status(thm)],[c_1121,c_51]) ).

tcf(c_1415,plain,
    ! [X0: $i] :
      ( mem(iPr_def_11,X0)
      | ~ subq(iPr_def_12,X0) ),
    inference(superposition,[status(thm)],[c_1122,c_51]) ).

tcf(c_1419,plain,
    ! [X0: $i] :
      ( mem(iPr_def_11,X0)
      | ~ subq(iPr_def_14,X0) ),
    inference(superposition,[status(thm)],[c_1295,c_51]) ).

tcf(c_1450,plain,
    ( mem(iPr_def_11,e)
    | ~ subq(iPr_def_14,e) ),
    inference(instantiation,[status(thm)],[c_1419]) ).

tcf(c_1561,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_10)
      | mem(X0,e)
      | ~ mem(X0,iPr_def_11) ),
    inference(superposition,[status(thm)],[c_655,c_58]) ).

tcf(c_1562,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_13)
      | mem(X0,iPr_def_12)
      | ~ mem(X0,iPr_def_14) ),
    inference(superposition,[status(thm)],[c_658,c_58]) ).

tcf(c_1563,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_15)
      | mem(X0,iPr_def_14)
      | ~ mem(X0,iPr_def_16) ),
    inference(superposition,[status(thm)],[c_660,c_58]) ).

tcf(c_1574,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_10)
      | ~ mem(X0,iPr_def_11) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1561,c_53]) ).

tcf(c_1581,plain,
    ( mem(e,iPr_def_13)
    | mem(e,iPr_def_12)
    | ~ mem(e,iPr_def_14) ),
    inference(instantiation,[status(thm)],[c_1562]) ).

tcf(c_1583,plain,
    ! [X0: $i] :
      ( mem(e,X0)
      | ~ subq(iPr_def_17,X0) ),
    inference(superposition,[status(thm)],[c_1391,c_51]) ).

tcf(c_1591,plain,
    ! [X0: $i] :
      ( subq(iPr_def_13,X0)
      | mem(sK0(iPr_def_13,X0),iPr_def_14) ),
    inference(superposition,[status(thm)],[c_50,c_1252]) ).

tcf(c_1592,plain,
    mem(iPr_def_12,iPr_def_14),
    inference(superposition,[status(thm)],[c_1123,c_1252]) ).

tcf(c_1596,plain,
    ! [X0: $i] :
      ( mem(iPr_def_12,X0)
      | ~ subq(iPr_def_14,X0) ),
    inference(superposition,[status(thm)],[c_1592,c_51]) ).

tcf(c_1763,plain,
    mem(iPr_def_14,iPr_def_16),
    inference(superposition,[status(thm)],[c_1124,c_1253]) ).

tcf(c_1771,plain,
    ! [X0: $i] :
      ( subq(iPr_def_16,X0)
      | mem(sK0(iPr_def_16,X0),iPr_def_17) ),
    inference(superposition,[status(thm)],[c_50,c_1254]) ).

tcf(c_1777,plain,
    ! [X0: $i] :
      ( mem(iPr_def_14,X0)
      | ~ subq(iPr_def_16,X0) ),
    inference(superposition,[status(thm)],[c_1763,c_51]) ).

tcf(c_1814,plain,
    ! [X0: $i] :
      ( mem(e,X0)
      | ( sK0(iPr_def_10,X0) = e ) ),
    inference(superposition,[status(thm)],[c_1189,c_1414]) ).

tcf(c_1951,plain,
    ! [X0: $i] :
      ( subq(iPr_def_11,X0)
      | mem(sK0(iPr_def_11,X0),iPr_def_10) ),
    inference(superposition,[status(thm)],[c_50,c_1574]) ).

tcf(c_1995,plain,
    ! [X0: $i] :
      ( atleast2p(iPr_def_14)
      | mem(iPr_def_12,p(X0))
      | ~ mem(X0,iPr_def_14) ),
    inference(superposition,[status(thm)],[c_64,c_1596]) ).

tcf(c_2491,plain,
    subq(iPr_def_12,iPr_def_14),
    inference(superposition,[status(thm)],[c_1294,c_49]) ).

tcf(c_2493,plain,
    ! [X0: $i] :
      ( subq(iPr_def_12,X0)
      | mem(sK0(iPr_def_12,X0),iPr_def_16) ),
    inference(superposition,[status(thm)],[c_1294,c_1232]) ).

tcf(c_2501,plain,
    ( atleast3p(iPr_def_14)
    | subq(iPr_def_14,iPr_def_12)
    | ~ atleast2p(iPr_def_12) ),
    inference(superposition,[status(thm)],[c_2491,c_65]) ).

tcf(c_2502,plain,
    ( ( iPr_def_12 = iPr_def_14 )
    | ~ subq(iPr_def_14,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_2491,c_52]) ).

tcf(c_2522,plain,
    subq(iPr_def_14,iPr_def_16),
    inference(superposition,[status(thm)],[c_1307,c_49]) ).

tcf(c_2523,plain,
    ! [X0: $i,X1: $i] :
      ( subq(iPr_def_14,X1)
      | mem(sK0(iPr_def_14,X1),X0)
      | ~ subq(iPr_def_16,X0) ),
    inference(superposition,[status(thm)],[c_1307,c_51]) ).

tcf(c_2524,plain,
    ! [X0: $i] :
      ( subq(iPr_def_14,X0)
      | mem(sK0(iPr_def_14,X0),iPr_def_17) ),
    inference(superposition,[status(thm)],[c_1307,c_1254]) ).

tcf(c_2532,plain,
    ( atleast3p(iPr_def_16)
    | subq(iPr_def_16,iPr_def_14)
    | ~ atleast2p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_2522,c_65]) ).

tcf(c_2595,plain,
    ! [X0: $i,X1: $i] :
      ( mem(X1,X0)
      | ~ mem(X1,iPr_def_10)
      | ~ subq(iPr_def_10,X0) ),
    inference(instantiation,[status(thm)],[c_51]) ).

tcf(c_2607,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( mem(X0,X2)
      | ~ mem(X1,iPr_def_10)
      | ( X2 != iPr_def_10 )
      | ( X0 != X1 ) ),
    inference(instantiation,[status(thm)],[c_667]) ).

tcf(c_2608,plain,
    ( mem(e,e)
    | ~ mem(e,iPr_def_10)
    | ( e != iPr_def_10 )
    | ( e != e ) ),
    inference(instantiation,[status(thm)],[c_2607]) ).

tcf(c_2736,plain,
    iPr_def_11 = iPr_def_11,
    inference(instantiation,[status(thm)],[c_663]) ).

tcf(c_2824,plain,
    subq(iPr_def_10,iPr_def_11),
    inference(superposition,[status(thm)],[c_1382,c_49]) ).

tcf(c_2871,plain,
    ! [X0: $i,X1: $i] :
      ( mem(X0,X1)
      | ( sK0(s(X0),X1) = X0 ) ),
    inference(superposition,[status(thm)],[c_1165,c_1410]) ).

tcf(c_3127,plain,
    ! [X0: $i] :
      ( subq(iPr_def_13,X0)
      | mem(sK0(iPr_def_13,X0),iPr_def_16) ),
    inference(superposition,[status(thm)],[c_1591,c_1232]) ).

tcf(c_3426,plain,
    subq(iPr_def_16,iPr_def_17),
    inference(superposition,[status(thm)],[c_1771,c_49]) ).

tcf(c_3427,plain,
    ! [X0: $i,X1: $i] :
      ( subq(iPr_def_16,X1)
      | mem(sK0(iPr_def_16,X1),X0)
      | ~ subq(iPr_def_17,X0) ),
    inference(superposition,[status(thm)],[c_1771,c_51]) ).

tcf(c_3491,plain,
    ( subq(iPr_def_17,iPr_def_16)
    | ~ atleast3p(iPr_def_16) ),
    inference(superposition,[status(thm)],[c_3426,c_662]) ).

tcf(c_3506,plain,
    subq(iPr_def_11,iPr_def_10),
    inference(superposition,[status(thm)],[c_1951,c_49]) ).

tcf(c_3537,plain,
    ( ( iPr_def_10 = iPr_def_11 )
    | ~ subq(iPr_def_10,iPr_def_11) ),
    inference(superposition,[status(thm)],[c_3506,c_52]) ).

tcf(c_3542,plain,
    iPr_def_10 = iPr_def_11,
    inference(forward_subsumption_resolution,[status(thm)],[c_3537,c_2824]) ).

tcf(c_3580,plain,
    ! [X0: $i] :
      ( mem(iPr_def_10,X0)
      | ~ subq(iPr_def_12,X0) ),
    inference(demodulation,[status(thm)],[c_1415,c_3542]) ).

tcf(c_3588,plain,
    mem(iPr_def_10,iPr_def_14),
    inference(demodulation,[status(thm)],[c_1295,c_3542]) ).

tcf(c_3589,plain,
    ! [X0: $i] :
      ( ( X0 = iPr_def_10 )
      | ~ mem(X0,iPr_def_12) ),
    inference(demodulation,[status(thm)],[c_1168,c_3542]) ).

tcf(c_3665,plain,
    ( ( e = iPr_def_10 )
    | ~ mem(e,iPr_def_12) ),
    inference(instantiation,[status(thm)],[c_3589]) ).

tcf(c_3694,plain,
    ( mem(e,iPr_def_16)
    | ~ atleast3p(iPr_def_16) ),
    inference(superposition,[status(thm)],[c_3491,c_1583]) ).

tcf(c_3892,plain,
    ! [X0: $i] :
      ( atleast2p(iPr_def_12)
      | mem(iPr_def_10,p(X0))
      | ~ mem(X0,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_64,c_3580]) ).

tcf(c_3965,plain,
    ( atleast3p(iPr_def_14)
    | ( iPr_def_12 = iPr_def_14 )
    | ~ atleast2p(iPr_def_12)
    | ~ subq(iPr_def_12,iPr_def_14) ),
    inference(superposition,[status(thm)],[c_2501,c_52]) ).

tcf(c_3971,plain,
    ( atleast3p(iPr_def_14)
    | ( iPr_def_12 = iPr_def_14 )
    | ~ atleast2p(iPr_def_12) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3965,c_2491]) ).

tcf(c_3990,plain,
    ( atleast3p(iPr_def_16)
    | mem(iPr_def_14,iPr_def_14)
    | ~ atleast2p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_2532,c_1777]) ).

tcf(c_4004,plain,
    subq(iPr_def_12,iPr_def_16),
    inference(superposition,[status(thm)],[c_2493,c_49]) ).

tcf(c_4014,plain,
    ( atleast3p(iPr_def_16)
    | subq(iPr_def_16,iPr_def_12)
    | ~ atleast2p(iPr_def_12) ),
    inference(superposition,[status(thm)],[c_4004,c_65]) ).

tcf(c_4026,plain,
    subq(iPr_def_14,iPr_def_17),
    inference(superposition,[status(thm)],[c_2524,c_49]) ).

tcf(c_4361,plain,
    ( subq(iPr_def_17,iPr_def_14)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_4026,c_662]) ).

tcf(c_4405,plain,
    ( mem(e,iPr_def_14)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_4361,c_1583]) ).

tcf(c_4428,plain,
    ( mem(e,iPr_def_16)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_4405,c_1232]) ).

tcf(c_4439,plain,
    ! [X0: $i] :
      ( mem(e,X0)
      | ~ atleast3p(iPr_def_14)
      | ~ subq(iPr_def_16,X0) ),
    inference(superposition,[status(thm)],[c_4428,c_51]) ).

tcf(c_4726,plain,
    subq(iPr_def_13,iPr_def_16),
    inference(superposition,[status(thm)],[c_3127,c_49]) ).

tcf(c_4736,plain,
    ( atleast3p(iPr_def_16)
    | subq(iPr_def_16,iPr_def_13)
    | ~ atleast2p(iPr_def_13) ),
    inference(superposition,[status(thm)],[c_4726,c_65]) ).

tcf(c_5690,plain,
    ( atleast3p(iPr_def_16)
    | mem(e,iPr_def_13)
    | ~ atleast3p(iPr_def_14)
    | ~ atleast2p(iPr_def_13) ),
    inference(superposition,[status(thm)],[c_4736,c_4439]) ).

tcf(c_7587,plain,
    ( ~ atleast3p(iPr_def_14)
    | mem(e,iPr_def_13) ),
    inference(global_subsumption_just,[status(thm)],[c_5690,c_68,c_69,c_74,c_1121,c_1581,c_2608,c_3665,c_4405]) ).

tcf(c_7588,plain,
    ( mem(e,iPr_def_13)
    | ~ atleast3p(iPr_def_14) ),
    inference(renaming,[status(thm)],[c_7587]) ).

tcf(c_7594,plain,
    ( ( e = iPr_def_12 )
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_7588,c_1169]) ).

tcf(c_8122,plain,
    ( mem(e,iPr_def_15)
    | mem(e,iPr_def_14)
    | ~ atleast3p(iPr_def_16) ),
    inference(superposition,[status(thm)],[c_3694,c_1563]) ).

tcf(c_8341,plain,
    ( mem(e,iPr_def_14)
    | ( e = iPr_def_14 )
    | ~ atleast3p(iPr_def_16) ),
    inference(superposition,[status(thm)],[c_8122,c_1170]) ).

tcf(c_9227,plain,
    ! [X0: $i] :
      ( atleast2p(iPr_def_14)
      | subq(iPr_def_12,X0)
      | ~ mem(X0,iPr_def_14) ),
    inference(superposition,[status(thm)],[c_1995,c_63]) ).

tcf(c_9249,plain,
    ( atleast2p(iPr_def_14)
    | subq(iPr_def_12,e)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_4405,c_9227]) ).

tcf(c_9259,plain,
    ( atleast2p(iPr_def_14)
    | subq(iPr_def_12,iPr_def_10) ),
    inference(superposition,[status(thm)],[c_3588,c_9227]) ).

tcf(c_9451,plain,
    ( atleast2p(iPr_def_14)
    | mem(iPr_def_10,iPr_def_10) ),
    inference(superposition,[status(thm)],[c_9259,c_3580]) ).

tcf(c_9510,plain,
    ( atleast2p(iPr_def_14)
    | ( e = iPr_def_10 ) ),
    inference(superposition,[status(thm)],[c_9451,c_1167]) ).

tcf(c_9542,plain,
    atleast2p(iPr_def_14),
    inference(global_subsumption_just,[status(thm)],[c_9249,c_68,c_69,c_74,c_1121,c_2608,c_9510]) ).

tcf(c_9551,plain,
    ( atleast3p(iPr_def_16)
    | mem(iPr_def_14,iPr_def_14) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_3990,c_9542]) ).

tcf(c_9577,plain,
    iPr_def_14 = iPr_def_14,
    inference(instantiation,[status(thm)],[c_663]) ).

tcf(c_9982,plain,
    ( atleast3p(iPr_def_16)
    | mem(iPr_def_14,iPr_def_13)
    | mem(iPr_def_14,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_9551,c_1562]) ).

tcf(c_11713,plain,
    ! [X0: $i] :
      ( atleast2p(iPr_def_12)
      | subq(iPr_def_10,X0)
      | ~ mem(X0,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_3892,c_63]) ).

tcf(c_12348,plain,
    ! [X0: $i,X1: $i] :
      ( mem(X0,X1)
      | ~ mem(iPr_def_11,iPr_def_12)
      | ( X1 != iPr_def_12 )
      | ( X0 != iPr_def_11 ) ),
    inference(instantiation,[status(thm)],[c_667]) ).

tcf(c_13260,plain,
    ( atleast3p(iPr_def_16)
    | mem(iPr_def_14,iPr_def_12)
    | ( iPr_def_12 = iPr_def_14 ) ),
    inference(superposition,[status(thm)],[c_9982,c_1169]) ).

tcf(c_14199,plain,
    ( ( e = iPr_def_10 )
    | ( sK0(iPr_def_10,iPr_def_12) = e ) ),
    inference(superposition,[status(thm)],[c_1814,c_3589]) ).

tcf(c_14646,plain,
    ! [X0: $i,X1: $i] :
      ( ( iPr_def_14 = X0 )
      | ( iPr_def_14 != X1 )
      | ( X0 != X1 ) ),
    inference(instantiation,[status(thm)],[c_665]) ).

tcf(c_15707,plain,
    ! [X0: $i] :
      ( subq(iPr_def_14,X0)
      | ~ subq(iPr_def_16,X0) ),
    inference(superposition,[status(thm)],[c_2523,c_49]) ).

tcf(c_15896,plain,
    ( atleast3p(iPr_def_16)
    | subq(iPr_def_14,iPr_def_12)
    | ~ atleast2p(iPr_def_12) ),
    inference(superposition,[status(thm)],[c_4014,c_15707]) ).

tcf(c_16041,plain,
    ( atleast3p(iPr_def_16)
    | ( iPr_def_12 = iPr_def_14 )
    | ~ atleast2p(iPr_def_12) ),
    inference(superposition,[status(thm)],[c_15896,c_2502]) ).

tcf(c_18560,plain,
    sK0(iPr_def_10,iPr_def_12) = e,
    inference(global_subsumption_just,[status(thm)],[c_14199,c_68,c_69,c_74,c_1121,c_2608,c_14199]) ).

tcf(c_18562,plain,
    ( subq(iPr_def_10,iPr_def_12)
    | ~ mem(e,iPr_def_12) ),
    inference(superposition,[status(thm)],[c_18560,c_49]) ).

tcf(c_18575,plain,
    ~ mem(e,iPr_def_12),
    inference(global_subsumption_just,[status(thm)],[c_18562,c_68,c_69,c_74,c_1121,c_2608,c_3665]) ).

tcf(c_20563,plain,
    ! [X0: $i] :
      ( subq(iPr_def_16,X0)
      | ~ subq(iPr_def_17,X0) ),
    inference(superposition,[status(thm)],[c_3427,c_49]) ).

tcf(c_20878,plain,
    ( subq(iPr_def_16,iPr_def_14)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_4361,c_20563]) ).

tcf(c_24877,plain,
    ( atleast3p(iPr_def_16)
    | atleast2p(iPr_def_12)
    | subq(iPr_def_10,iPr_def_14)
    | ( iPr_def_12 = iPr_def_14 ) ),
    inference(superposition,[status(thm)],[c_13260,c_11713]) ).

tcf(c_28857,plain,
    ! [X0: $i,X1: $i] :
      ( subq(X0,X1)
      | ( sK0(s(X0),p(X1)) = X0 ) ),
    inference(superposition,[status(thm)],[c_2871,c_63]) ).

tcf(c_29351,plain,
    ! [X0: $i] :
      ( subq(iPr_def_17,X0)
      | ( sK0(s(X0),p(iPr_def_17)) = X0 )
      | ~ atleast3p(X0) ),
    inference(superposition,[status(thm)],[c_28857,c_662]) ).

tcf(c_30565,plain,
    ! [X0: $i] :
      ( mem(e,X0)
      | ( sK0(s(X0),p(iPr_def_17)) = X0 )
      | ~ atleast3p(X0) ),
    inference(superposition,[status(thm)],[c_29351,c_1583]) ).

tcf(c_31910,plain,
    ! [X0: $i,X1: $i] :
      ( mem(e,X1)
      | ( sK0(s(X0),p(iPr_def_17)) = X0 )
      | ~ atleast3p(X0)
      | ~ subq(X0,X1) ),
    inference(superposition,[status(thm)],[c_30565,c_51]) ).

tcf(c_35032,plain,
    ~ mem(iPr_def_11,e),
    inference(instantiation,[status(thm)],[c_53]) ).

tcf(c_38870,plain,
    ! [X0: $i] :
      ( mem(X0,iPr_def_14)
      | ~ subq(iPr_def_10,iPr_def_14)
      | ~ mem(X0,iPr_def_10) ),
    inference(instantiation,[status(thm)],[c_2595]) ).

tcf(c_38871,plain,
    ( mem(e,iPr_def_14)
    | ~ mem(e,iPr_def_10)
    | ~ subq(iPr_def_10,iPr_def_14) ),
    inference(instantiation,[status(thm)],[c_38870]) ).

tcf(c_40298,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( subq(iPr_def_14,X0)
      | ~ subq(X2,X1)
      | ( iPr_def_14 != X2 )
      | ( X0 != X1 ) ),
    inference(instantiation,[status(thm)],[c_666]) ).

tcf(c_40299,plain,
    ( subq(iPr_def_14,e)
    | ~ subq(e,e)
    | ( iPr_def_14 != e )
    | ( e != e ) ),
    inference(instantiation,[status(thm)],[c_40298]) ).

tcf(c_40506,plain,
    ( mem(e,iPr_def_14)
    | ( sK0(s(iPr_def_16),p(iPr_def_17)) = iPr_def_16 )
    | ~ atleast3p(iPr_def_16)
    | ~ atleast3p(iPr_def_14) ),
    inference(superposition,[status(thm)],[c_20878,c_31910]) ).

tcf(c_43558,plain,
    ! [X0: $i] :
      ( mem(iPr_def_11,X0)
      | ~ mem(iPr_def_11,iPr_def_12)
      | ( iPr_def_11 != iPr_def_11 )
      | ( X0 != iPr_def_12 ) ),
    inference(instantiation,[status(thm)],[c_12348]) ).

tcf(c_43559,plain,
    ( mem(iPr_def_11,e)
    | ~ mem(iPr_def_11,iPr_def_12)
    | ( iPr_def_11 != iPr_def_11 )
    | ( e != iPr_def_12 ) ),
    inference(instantiation,[status(thm)],[c_43558]) ).

tcf(c_44409,plain,
    ! [X0: $i] :
      ( ( iPr_def_14 = X0 )
      | ( iPr_def_14 != iPr_def_14 )
      | ( X0 != iPr_def_14 ) ),
    inference(instantiation,[status(thm)],[c_14646]) ).

tcf(c_44410,plain,
    ( ( iPr_def_14 = e )
    | ( iPr_def_14 != iPr_def_14 )
    | ( e != iPr_def_14 ) ),
    inference(instantiation,[status(thm)],[c_44409]) ).

tcf(c_44432,plain,
    ~ atleast3p(iPr_def_16),
    inference(global_subsumption_just,[status(thm)],[c_40506,c_68,c_69,c_74,c_1121,c_1122,c_1130,c_1182,c_1450,c_1581,c_2608,c_2736,c_3665,c_8341,c_9577,c_35032,c_40299,c_43559,c_44410]) ).

tcf(c_44451,plain,
    ( ( iPr_def_12 = iPr_def_14 )
    | ~ atleast2p(iPr_def_12) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_16041,c_44432]) ).

tcf(c_49812,plain,
    iPr_def_12 = iPr_def_14,
    inference(global_subsumption_just,[status(thm)],[c_44451,c_68,c_69,c_74,c_1121,c_1122,c_1130,c_1182,c_1450,c_1581,c_2608,c_2736,c_3665,c_3971,c_7594,c_8341,c_9577,c_24877,c_35032,c_38871,c_40299,c_43559,c_44410]) ).

tcf(c_49976,plain,
    mem(iPr_def_12,iPr_def_12),
    inference(demodulation,[status(thm)],[c_1592,c_49812]) ).

tcf(c_50338,plain,
    iPr_def_10 = iPr_def_12,
    inference(superposition,[status(thm)],[c_49976,c_3589]) ).

tcf(c_50438,plain,
    ~ mem(e,iPr_def_10),
    inference(demodulation,[status(thm)],[c_18575,c_50338]) ).

tcf(c_50518,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_50438,c_1121]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEV541+1 : TPTP v9.3.1. Released v9.1.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/0.38  % Computer : n010.cluster.edu
% 0.12/0.38  % Model    : x86_64 x86_64
% 0.12/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38  % Memory   : 8046.5625MB
% 0.12/0.38  % OS       : Linux 6.8.0-71-generic
% 0.12/0.38  % CPULimit : 300
% 0.12/0.38  % WCLimit  : 300
% 0.12/0.38  % DateTime : Thu Sep 24 14:57:59 UTC 2026
% 0.12/0.39  % CPUTime  : 
% 0.12/0.39  Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/0.43  Running first-order theorem proving
% 0.12/0.43  Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.44  
% 0.12/0.44  % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.44  
% 0.12/0.44  % Detected problem language: tptp
% 0.12/0.45  % Proving...
% 18.63/3.32  % SZS status Started for theBenchmark.p
% 18.63/3.32  % SZS status Theorem for theBenchmark.p
% 18.63/3.32  
% 18.63/3.32  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 18.63/3.32  
% 18.63/3.32  % ------  iProver source info
% 18.63/3.32  
% 18.63/3.32  % git: date: 2026-07-19 20:42:38 +0200
% 18.63/3.32  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 18.63/3.32  % git: non_committed_changes: false
% 18.63/3.32  
% 18.63/3.32  % ------ Parsing...
% 18.63/3.32  % ------ Clausification by vclausify_rel  & Parsing by iProver...% 
% 18.63/3.32  
% 18.63/3.32  % ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e % 
% 18.63/3.32  
% 18.63/3.32  % ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e % 
% 18.63/3.32  
% 18.63/3.32  % ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 18.63/3.32  % ------ Proving...
% 18.63/3.32  % ------ Problem Properties 
% 18.63/3.32  
% 18.63/3.32  % 
% 18.63/3.32  % clauses                               26
% 18.63/3.32  % conjectures                           0
% 18.63/3.32  % EPR                                   5
% 18.63/3.32  % Horn                                  21
% 18.63/3.32  % unary                                 10
% 18.63/3.32  % binary                                9
% 18.63/3.32  % lits                                  50
% 18.63/3.32  % lits eq                               10
% 18.63/3.32  % fd_pure                               0
% 18.63/3.32  % fd_pseudo                             0
% 18.63/3.32  % fd_cond                               0
% 18.63/3.32  % fd_pseudo_cond                        2
% 18.63/3.32  % AC symbols                            0
% 18.63/3.32  
% 18.63/3.32  % ------ Schedule dynamic 5 is on 
% 18.63/3.32  
% 18.63/3.32  % ------ no conjectures: strip conj schedule 
% 18.63/3.32  
% 18.63/3.32  % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 18.63/3.32  
% 18.63/3.32  
% 18.63/3.32  % ------ 
% 18.63/3.32  % Current options:
% 18.63/3.32  % ------ 
% 18.63/3.32  
% 18.63/3.32  
% 18.63/3.32  % 
% 18.63/3.32  
% 18.63/3.32  % ------ Proving...
% 18.63/3.32  % 
% 18.63/3.32  
% 18.63/3.32  % SZS status Theorem for theBenchmark.p
% 18.63/3.32  
% 18.63/3.32  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 18.63/3.33  
% 18.63/3.33  
%------------------------------------------------------------------------------