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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SET576^7 : TPTP v9.3.1. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM

% Computer : n018.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 : Wed Sep 30 08:23:17 AM UTC 2026

% Result   : Theorem 0.35s 0.46s
% Output   : Refutation 0.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   43
%            Number of leaves      :   20
% Syntax   : Number of formulae    :  199 (  73 unt;   0 typ;   8 def)
%            Number of atoms       : 1831 ( 339 equ;   0 cnn)
%            Maximal formula atoms :   10 (   9 avg)
%            Number of connectives : 3268 ( 472   ~; 433   |;   0   &;2140   @)
%                                         (   7 <=>; 113  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :  213 ( 213   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   71 (  67 usr;  14 con; 0-4 aty)
%                                         ( 103  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  595 (   0 sgn 139   !;   0   ?; 595   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    mu: $tType ).

thf(type_def_6,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    qmltpeq: mu > mu > $i > $o ).

thf(func_def_1,type,
    meq_prop: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_3,type,
    mnot: ( $i > $o ) > $i > $o ).

thf(func_def_4,type,
    mor: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_5,type,
    mbox: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_6,type,
    mforall_prop: ( ( $i > $o ) > $i > $o ) > $i > $o ).

thf(func_def_7,type,
    mtrue: $i > $o ).

thf(func_def_8,type,
    mfalse: $i > $o ).

thf(func_def_9,type,
    mand: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_10,type,
    mimplies: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_11,type,
    mimplied: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_12,type,
    mequiv: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_13,type,
    mxor: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_14,type,
    mdia: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_15,type,
    exists_in_world: mu > $i > $o ).

thf(func_def_16,type,
    mforall_ind: ( mu > $i > $o ) > $i > $o ).

thf(func_def_17,type,
    mexists_ind: ( mu > $i > $o ) > $i > $o ).

thf(func_def_18,type,
    mexists_prop: ( ( $i > $o ) > $i > $o ) > $i > $o ).

thf(func_def_19,type,
    mreflexive: ( $i > $i > $o ) > $o ).

thf(func_def_20,type,
    msymmetric: ( $i > $i > $o ) > $o ).

thf(func_def_21,type,
    mserial: ( $i > $i > $o ) > $o ).

thf(func_def_22,type,
    mtransitive: ( $i > $i > $o ) > $o ).

thf(func_def_23,type,
    meuclidean: ( $i > $i > $o ) > $o ).

thf(func_def_24,type,
    mpartially_functional: ( $i > $i > $o ) > $o ).

thf(func_def_25,type,
    mfunctional: ( $i > $i > $o ) > $o ).

thf(func_def_26,type,
    mweakly_dense: ( $i > $i > $o ) > $o ).

thf(func_def_27,type,
    mweakly_connected: ( $i > $i > $o ) > $o ).

thf(func_def_28,type,
    mweakly_directed: ( $i > $i > $o ) > $o ).

thf(func_def_29,type,
    mvalid: ( $i > $o ) > $o ).

thf(func_def_30,type,
    msatisfiable: ( $i > $o ) > $o ).

thf(func_def_31,type,
    mcountersatisfiable: ( $i > $o ) > $o ).

thf(func_def_32,type,
    minvalid: ( $i > $o ) > $o ).

thf(func_def_33,type,
    rel_s4: $i > $i > $o ).

thf(func_def_34,type,
    mbox_s4: ( $i > $o ) > $i > $o ).

thf(func_def_35,type,
    mdia_s4: ( $i > $o ) > $i > $o ).

thf(func_def_36,type,
    intersect: mu > mu > $i > $o ).

thf(func_def_37,type,
    disjoint: mu > mu > $i > $o ).

thf(func_def_38,type,
    member: mu > mu > $i > $o ).

thf(func_def_39,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_40,type,
    vNOT: $o > $o ).

thf(func_def_41,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_42,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_43,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_44,type,
    vIMP: $o > $o > $o ).

thf(func_def_45,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_48,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_49,type,
    vOR: $o > $o > $o ).

thf(func_def_50,type,
    vAND: $o > $o > $o ).

thf(func_def_51,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_52,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_53,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_54,type,
    sK0: $i > mu ).

thf(func_def_55,type,
    sF1: $o ).

thf(func_def_56,type,
    db5: 
      !>[X0: $tType] : X0 ).

thf(func_def_57,type,
    sK2: mu > $i > mu > mu ).

thf(func_def_58,type,
    sK3: mu > $i > mu > mu ).

thf(func_def_60,type,
    sK5: mu ).

thf(func_def_61,type,
    sK6: mu ).

thf(f2,axiom,
    ( ( ^ [X0: $i > $o,X1: $i] :
          ~ ( X0 @ X1 ) )
    = mnot ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mnot) ).

thf(f3,axiom,
    ( ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          | ( X0 @ X2 ) ) )
    = mor ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mor) ).

thf(f8,axiom,
    ( ( ^ [X0: $i > $o,X1: $i > $o] : ( mnot @ ( mor @ ( mnot @ X0 ) @ ( mnot @ X1 ) ) ) )
    = mand ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mand) ).

thf(f9,axiom,
    ( mimplies
    = ( ^ [X0: $i > $o,X1: $i > $o] : ( mor @ ( mnot @ X0 ) @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mimplies) ).

thf(f11,axiom,
    ( ( ^ [X0: $i > $o,X1: $i > $o] : ( mand @ ( mimplies @ X0 @ X1 ) @ ( mimplies @ X1 @ X0 ) ) )
    = mequiv ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mequiv) ).

thf(f15,axiom,
    ( ( ^ [X0: mu > $i > $o,X1: $i] :
        ! [X2: mu] :
          ( ( exists_in_world @ X2 @ X1 )
         => ( X0 @ X2 @ X1 ) ) )
    = mforall_ind ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mforall_ind) ).

thf(f16,axiom,
    ( ( ^ [X0: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [X1: mu] : ( mnot @ ( X0 @ X1 ) ) ) ) )
    = mexists_ind ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mexists_ind) ).

thf(f28,axiom,
    ( ( ^ [X0: $i > $o] :
        ! [X1: $i] : ( X0 @ X1 ) )
    = mvalid ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mvalid) ).

thf(f37,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] :
              ( mequiv @ ( intersect @ X0 @ X1 )
              @ ( mexists_ind
                @ ^ [X2: mu] : ( mand @ ( member @ X2 @ X0 ) @ ( member @ X2 @ X1 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersect_defn) ).

thf(f38,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] : ( mequiv @ ( disjoint @ X0 @ X1 ) @ ( mnot @ ( intersect @ X0 @ X1 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',disjoint_defn) ).

thf(f39,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] : ( mimplies @ ( intersect @ X0 @ X1 ) @ ( intersect @ X1 @ X0 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_of_intersect) ).

thf(f40,conjecture,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] :
              ( mimplies
              @ ( mforall_ind
                @ ^ [X2: mu] : ( mimplies @ ( member @ X2 @ X0 ) @ ( mnot @ ( member @ X2 @ X1 ) ) ) )
              @ ( disjoint @ X0 @ X1 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th17) ).

thf(f41,negated_conjecture,
    ~ ( mvalid
      @ ( mforall_ind
        @ ^ [X0: mu] :
            ( mforall_ind
            @ ^ [X1: mu] :
                ( mimplies
                @ ( mforall_ind
                  @ ^ [X2: mu] : ( mimplies @ ( member @ X2 @ X0 ) @ ( mnot @ ( member @ X2 @ X1 ) ) ) )
                @ ( disjoint @ X0 @ X1 ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f40]) ).

thf(f44,plain,
    ( mand
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mnot @ ( mor @ ( mnot @ Y0 ) @ ( mnot @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f8]) ).

thf(f45,plain,
    ( ( ^ [X0: mu > $i > $o,X1: $i] :
        ! [X2: mu] :
          ( ( exists_in_world @ X2 @ X1 )
         => ( X0 @ X2 @ X1 ) ) )
    = mforall_ind ),
    inference(rectify,[],[f15]) ).

thf(f46,plain,
    ( mforall_ind
    = ( ^ [Y0: mu > $i > $o,Y1: $i] :
          ( !! @ mu
          @ ^ [Y2: mu] :
              ( ( exists_in_world @ Y2 @ Y1 )
             => ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f45]) ).

thf(f47,plain,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] : ( mequiv @ ( disjoint @ X0 @ X1 ) @ ( mnot @ ( intersect @ X0 @ X1 ) ) ) ) ) ),
    inference(rectify,[],[f38]) ).

thf(f48,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] : ( mequiv @ ( disjoint @ Y0 @ Y1 ) @ ( mnot @ ( intersect @ Y0 @ Y1 ) ) ) ) ) )
    = $true ),
    inference(fool_elimination,[],[f47]) ).

thf(f54,plain,
    ( ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          | ( X0 @ X2 ) ) )
    = mor ),
    inference(rectify,[],[f3]) ).

thf(f55,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f54]) ).

thf(f56,plain,
    ( mequiv
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mand @ ( mimplies @ Y0 @ Y1 ) @ ( mimplies @ Y1 @ Y0 ) ) ) ),
    inference(fool_elimination,[],[f11]) ).

thf(f59,plain,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] : ( mimplies @ ( intersect @ X0 @ X1 ) @ ( intersect @ X1 @ X0 ) ) ) ) ),
    inference(rectify,[],[f39]) ).

thf(f60,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] : ( mimplies @ ( intersect @ Y0 @ Y1 ) @ ( intersect @ Y1 @ Y0 ) ) ) ) )
    = $true ),
    inference(fool_elimination,[],[f59]) ).

thf(f65,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(fool_elimination,[],[f9]) ).

thf(f66,plain,
    ~ ( mvalid
      @ ( mforall_ind
        @ ^ [X0: mu] :
            ( mforall_ind
            @ ^ [X1: mu] :
                ( mimplies
                @ ( mforall_ind
                  @ ^ [X2: mu] : ( mimplies @ ( member @ X2 @ X0 ) @ ( mnot @ ( member @ X2 @ X1 ) ) ) )
                @ ( disjoint @ X0 @ X1 ) ) ) ) ),
    inference(rectify,[],[f41]) ).

thf(f67,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] :
                ( mimplies
                @ ( mforall_ind
                  @ ^ [Y2: mu] : ( mimplies @ ( member @ Y2 @ Y0 ) @ ( mnot @ ( member @ Y2 @ Y1 ) ) ) )
                @ ( disjoint @ Y0 @ Y1 ) ) ) ) )
   != $true ),
    inference(fool_elimination,[],[f66]) ).

thf(f81,plain,
    ( ( ^ [X0: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [X1: mu] : ( mnot @ ( X0 @ X1 ) ) ) ) )
    = mexists_ind ),
    inference(rectify,[],[f16]) ).

thf(f82,plain,
    ( mexists_ind
    = ( ^ [Y0: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [Y1: mu] : ( mnot @ ( Y0 @ Y1 ) ) ) ) ) ),
    inference(fool_elimination,[],[f81]) ).

thf(f83,plain,
    ( ( ^ [X0: $i > $o] :
        ! [X1: $i] : ( X0 @ X1 ) )
    = mvalid ),
    inference(rectify,[],[f28]) ).

thf(f84,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f83]) ).

thf(f94,plain,
    ( ( ^ [X0: $i > $o,X1: $i] :
          ~ ( X0 @ X1 ) )
    = mnot ),
    inference(rectify,[],[f2]) ).

thf(f95,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(fool_elimination,[],[f94]) ).

thf(f96,plain,
    ( mvalid
    @ ( mforall_ind
      @ ^ [X0: mu] :
          ( mforall_ind
          @ ^ [X1: mu] :
              ( mequiv @ ( intersect @ X0 @ X1 )
              @ ( mexists_ind
                @ ^ [X2: mu] : ( mand @ ( member @ X2 @ X0 ) @ ( member @ X2 @ X1 ) ) ) ) ) ) ),
    inference(rectify,[],[f37]) ).

thf(f97,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] :
                ( mequiv @ ( intersect @ Y0 @ Y1 )
                @ ( mexists_ind
                  @ ^ [Y2: mu] : ( mand @ ( member @ Y2 @ Y0 ) @ ( member @ Y2 @ Y1 ) ) ) ) ) ) )
    = $true ),
    inference(fool_elimination,[],[f96]) ).

thf(f111,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] :
                ( mimplies
                @ ( mforall_ind
                  @ ^ [Y2: mu] : ( mimplies @ ( member @ Y2 @ Y0 ) @ ( mnot @ ( member @ Y2 @ Y1 ) ) ) )
                @ ( disjoint @ Y0 @ Y1 ) ) ) ) )
   != $true ),
    inference(flattening,[],[f67]) ).

thf(f117,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(cnf_transformation,[],[f95]) ).

thf(f118,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f84]) ).

thf(f120,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] :
                ( mequiv @ ( intersect @ Y0 @ Y1 )
                @ ( mexists_ind
                  @ ^ [Y2: mu] : ( mand @ ( member @ Y2 @ Y0 ) @ ( member @ Y2 @ Y1 ) ) ) ) ) ) )
    = $true ),
    inference(cnf_transformation,[],[f97]) ).

thf(f121,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] : ( mequiv @ ( disjoint @ Y0 @ Y1 ) @ ( mnot @ ( intersect @ Y0 @ Y1 ) ) ) ) ) )
    = $true ),
    inference(cnf_transformation,[],[f48]) ).

thf(f129,plain,
    ( mand
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mnot @ ( mor @ ( mnot @ Y0 ) @ ( mnot @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f44]) ).

thf(f132,plain,
    ( mforall_ind
    = ( ^ [Y0: mu > $i > $o,Y1: $i] :
          ( !! @ mu
          @ ^ [Y2: mu] :
              ( ( exists_in_world @ Y2 @ Y1 )
             => ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f46]) ).

thf(f134,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] : ( mimplies @ ( intersect @ Y0 @ Y1 ) @ ( intersect @ Y1 @ Y0 ) ) ) ) )
    = $true ),
    inference(cnf_transformation,[],[f60]) ).

thf(f135,plain,
    ( ( mvalid
      @ ( mforall_ind
        @ ^ [Y0: mu] :
            ( mforall_ind
            @ ^ [Y1: mu] :
                ( mimplies
                @ ( mforall_ind
                  @ ^ [Y2: mu] : ( mimplies @ ( member @ Y2 @ Y0 ) @ ( mnot @ ( member @ Y2 @ Y1 ) ) ) )
                @ ( disjoint @ Y0 @ Y1 ) ) ) ) )
   != $true ),
    inference(cnf_transformation,[],[f111]) ).

thf(f145,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(cnf_transformation,[],[f65]) ).

thf(f147,plain,
    ( mequiv
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mand @ ( mimplies @ Y0 @ Y1 ) @ ( mimplies @ Y1 @ Y0 ) ) ) ),
    inference(cnf_transformation,[],[f56]) ).

thf(f152,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f55]) ).

thf(f154,plain,
    ( mexists_ind
    = ( ^ [Y0: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [Y1: mu] : ( mnot @ ( Y0 @ Y1 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f82]) ).

thf(f159,plain,
    ( mand
    = ( ^ [Y0: $i > $o,Y1: $i > $o] :
          ( ^ [Y2: $i > $o,Y3: $i] :
              ~ ( Y2 @ Y3 )
          @ ( ^ [Y2: $i > $o,Y3: $i > $o,Y4: $i] :
                ( ( Y2 @ Y4 )
                | ( Y3 @ Y4 ) )
            @ ( ^ [Y2: $i > $o,Y3: $i] :
                  ~ ( Y2 @ Y3 )
              @ Y0 )
            @ ( ^ [Y2: $i > $o,Y3: $i] :
                  ~ ( Y2 @ Y3 )
              @ Y1 ) ) ) ) ),
    inference(definition_unfolding,[],[f129,f117,f152,f117,f117]) ).

thf(f160,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] :
          ( ^ [Y2: $i > $o,Y3: $i > $o,Y4: $i] :
              ( ( Y2 @ Y4 )
              | ( Y3 @ Y4 ) )
          @ ( ^ [Y2: $i > $o,Y3: $i] :
                ~ ( Y2 @ Y3 )
            @ Y0 )
          @ Y1 ) ) ),
    inference(definition_unfolding,[],[f145,f152,f117]) ).

thf(f162,plain,
    ( mequiv
    = ( ^ [Y0: $i > $o,Y1: $i > $o] :
          ( ^ [Y2: $i > $o,Y3: $i > $o] :
              ( ^ [Y4: $i > $o,Y5: $i] :
                  ~ ( Y4 @ Y5 )
              @ ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                    ( ( Y4 @ Y6 )
                    | ( Y5 @ Y6 ) )
                @ ( ^ [Y4: $i > $o,Y5: $i] :
                      ~ ( Y4 @ Y5 )
                  @ Y2 )
                @ ( ^ [Y4: $i > $o,Y5: $i] :
                      ~ ( Y4 @ Y5 )
                  @ Y3 ) ) )
          @ ( ^ [Y2: $i > $o,Y3: $i > $o] :
                ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                    ( ( Y4 @ Y6 )
                    | ( Y5 @ Y6 ) )
                @ ( ^ [Y4: $i > $o,Y5: $i] :
                      ~ ( Y4 @ Y5 )
                  @ Y2 )
                @ Y3 )
            @ Y0
            @ Y1 )
          @ ( ^ [Y2: $i > $o,Y3: $i > $o] :
                ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                    ( ( Y4 @ Y6 )
                    | ( Y5 @ Y6 ) )
                @ ( ^ [Y4: $i > $o,Y5: $i] :
                      ~ ( Y4 @ Y5 )
                  @ Y2 )
                @ Y3 )
            @ Y1
            @ Y0 ) ) ) ),
    inference(definition_unfolding,[],[f147,f159,f160,f160]) ).

thf(f165,plain,
    ( mexists_ind
    = ( ^ [Y0: mu > $i > $o] :
          ( ^ [Y1: $i > $o,Y2: $i] :
              ~ ( Y1 @ Y2 )
          @ ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i] :
                    ~ ( Y2 @ Y3 )
                @ ( Y0 @ Y1 ) ) ) ) ) ),
    inference(definition_unfolding,[],[f154,f117,f132,f117]) ).

thf(f168,plain,
    ( ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
            ( !! @ mu
            @ ^ [Y2: mu] :
                ( ( exists_in_world @ Y2 @ Y1 )
               => ( Y0 @ Y2 @ Y1 ) ) )
        @ ^ [Y0: mu] :
            ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i > $o] :
                    ( ^ [Y4: $i > $o,Y5: $i > $o] :
                        ( ^ [Y6: $i > $o,Y7: $i] :
                            ~ ( Y6 @ Y7 )
                        @ ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y5 ) ) )
                    @ ( ^ [Y4: $i > $o,Y5: $i > $o] :
                          ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ Y5 )
                      @ Y2
                      @ Y3 )
                    @ ( ^ [Y4: $i > $o,Y5: $i > $o] :
                          ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ Y5 )
                      @ Y3
                      @ Y2 ) )
                @ ( intersect @ Y0 @ Y1 )
                @ ( ^ [Y2: mu > $i > $o] :
                      ( ^ [Y3: $i > $o,Y4: $i] :
                          ~ ( Y3 @ Y4 )
                      @ ( ^ [Y3: mu > $i > $o,Y4: $i] :
                            ( !! @ mu
                            @ ^ [Y5: mu] :
                                ( ( exists_in_world @ Y5 @ Y4 )
                               => ( Y3 @ Y5 @ Y4 ) ) )
                        @ ^ [Y3: mu] :
                            ( ^ [Y4: $i > $o,Y5: $i] :
                                ~ ( Y4 @ Y5 )
                            @ ( Y2 @ Y3 ) ) ) )
                  @ ^ [Y2: mu] :
                      ( ^ [Y3: $i > $o,Y4: $i > $o] :
                          ( ^ [Y5: $i > $o,Y6: $i] :
                              ~ ( Y5 @ Y6 )
                          @ ( ^ [Y5: $i > $o,Y6: $i > $o,Y7: $i] :
                                ( ( Y5 @ Y7 )
                                | ( Y6 @ Y7 ) )
                            @ ( ^ [Y5: $i > $o,Y6: $i] :
                                  ~ ( Y5 @ Y6 )
                              @ Y3 )
                            @ ( ^ [Y5: $i > $o,Y6: $i] :
                                  ~ ( Y5 @ Y6 )
                              @ Y4 ) ) )
                      @ ( member @ Y2 @ Y0 )
                      @ ( member @ Y2 @ Y1 ) ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f120,f118,f132,f132,f162,f165,f159]) ).

thf(f169,plain,
    ( ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
            ( !! @ mu
            @ ^ [Y2: mu] :
                ( ( exists_in_world @ Y2 @ Y1 )
               => ( Y0 @ Y2 @ Y1 ) ) )
        @ ^ [Y0: mu] :
            ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i > $o] :
                    ( ^ [Y4: $i > $o,Y5: $i > $o] :
                        ( ^ [Y6: $i > $o,Y7: $i] :
                            ~ ( Y6 @ Y7 )
                        @ ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y5 ) ) )
                    @ ( ^ [Y4: $i > $o,Y5: $i > $o] :
                          ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ Y5 )
                      @ Y2
                      @ Y3 )
                    @ ( ^ [Y4: $i > $o,Y5: $i > $o] :
                          ( ^ [Y6: $i > $o,Y7: $i > $o,Y8: $i] :
                              ( ( Y6 @ Y8 )
                              | ( Y7 @ Y8 ) )
                          @ ( ^ [Y6: $i > $o,Y7: $i] :
                                ~ ( Y6 @ Y7 )
                            @ Y4 )
                          @ Y5 )
                      @ Y3
                      @ Y2 ) )
                @ ( disjoint @ Y0 @ Y1 )
                @ ( ^ [Y2: $i > $o,Y3: $i] :
                      ~ ( Y2 @ Y3 )
                  @ ( intersect @ Y0 @ Y1 ) ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f121,f118,f132,f132,f162,f117]) ).

thf(f170,plain,
    ( ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
            ( !! @ mu
            @ ^ [Y2: mu] :
                ( ( exists_in_world @ Y2 @ Y1 )
               => ( Y0 @ Y2 @ Y1 ) ) )
        @ ^ [Y0: mu] :
            ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i > $o] :
                    ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                        ( ( Y4 @ Y6 )
                        | ( Y5 @ Y6 ) )
                    @ ( ^ [Y4: $i > $o,Y5: $i] :
                          ~ ( Y4 @ Y5 )
                      @ Y2 )
                    @ Y3 )
                @ ( intersect @ Y0 @ Y1 )
                @ ( intersect @ Y1 @ Y0 ) ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f134,f118,f132,f132,f160]) ).

thf(f171,plain,
    ( ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
            ( !! @ mu
            @ ^ [Y2: mu] :
                ( ( exists_in_world @ Y2 @ Y1 )
               => ( Y0 @ Y2 @ Y1 ) ) )
        @ ^ [Y0: mu] :
            ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i > $o] :
                    ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                        ( ( Y4 @ Y6 )
                        | ( Y5 @ Y6 ) )
                    @ ( ^ [Y4: $i > $o,Y5: $i] :
                          ~ ( Y4 @ Y5 )
                      @ Y2 )
                    @ Y3 )
                @ ( ^ [Y2: mu > $i > $o,Y3: $i] :
                      ( !! @ mu
                      @ ^ [Y4: mu] :
                          ( ( exists_in_world @ Y4 @ Y3 )
                         => ( Y2 @ Y4 @ Y3 ) ) )
                  @ ^ [Y2: mu] :
                      ( ^ [Y3: $i > $o,Y4: $i > $o] :
                          ( ^ [Y5: $i > $o,Y6: $i > $o,Y7: $i] :
                              ( ( Y5 @ Y7 )
                              | ( Y6 @ Y7 ) )
                          @ ( ^ [Y5: $i > $o,Y6: $i] :
                                ~ ( Y5 @ Y6 )
                            @ Y3 )
                          @ Y4 )
                      @ ( member @ Y2 @ Y0 )
                      @ ( ^ [Y3: $i > $o,Y4: $i] :
                            ~ ( Y3 @ Y4 )
                        @ ( member @ Y2 @ Y1 ) ) ) )
                @ ( disjoint @ Y0 @ Y1 ) ) ) ) )
   != $true ),
    inference(definition_unfolding,[],[f135,f118,f132,f132,f160,f132,f160,f117]) ).

thf(f174,definition,
    ( sF1
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
            ( !! @ mu
            @ ^ [Y2: mu] :
                ( ( exists_in_world @ Y2 @ Y1 )
               => ( Y0 @ Y2 @ Y1 ) ) )
        @ ^ [Y0: mu] :
            ( ^ [Y1: mu > $i > $o,Y2: $i] :
                ( !! @ mu
                @ ^ [Y3: mu] :
                    ( ( exists_in_world @ Y3 @ Y2 )
                   => ( Y1 @ Y3 @ Y2 ) ) )
            @ ^ [Y1: mu] :
                ( ^ [Y2: $i > $o,Y3: $i > $o] :
                    ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                        ( ( Y4 @ Y6 )
                        | ( Y5 @ Y6 ) )
                    @ ( ^ [Y4: $i > $o,Y5: $i] :
                          ~ ( Y4 @ Y5 )
                      @ Y2 )
                    @ Y3 )
                @ ( ^ [Y2: mu > $i > $o,Y3: $i] :
                      ( !! @ mu
                      @ ^ [Y4: mu] :
                          ( ( exists_in_world @ Y4 @ Y3 )
                         => ( Y2 @ Y4 @ Y3 ) ) )
                  @ ^ [Y2: mu] :
                      ( ^ [Y3: $i > $o,Y4: $i > $o] :
                          ( ^ [Y5: $i > $o,Y6: $i > $o,Y7: $i] :
                              ( ( Y5 @ Y7 )
                              | ( Y6 @ Y7 ) )
                          @ ( ^ [Y5: $i > $o,Y6: $i] :
                                ~ ( Y5 @ Y6 )
                            @ Y3 )
                          @ Y4 )
                      @ ( member @ Y2 @ Y0 )
                      @ ( ^ [Y3: $i > $o,Y4: $i] :
                            ~ ( Y3 @ Y4 )
                        @ ( member @ Y2 @ Y1 ) ) ) )
                @ ( disjoint @ Y0 @ Y1 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sF1])],[function_definition]) ).

thf(f175,plain,
    sF1 != $true,
    inference(definition_folding,[],[f171,f174]) ).

thf(f179,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ mu
          @ ^ [Y1: mu] :
              ( ( exists_in_world @ Y1 @ Y0 )
             => ( !! @ mu
                @ ^ [Y2: mu] :
                    ( ( exists_in_world @ Y2 @ Y0 )
                   => ( ~ ( intersect @ Y1 @ Y2 @ Y0 )
                      | ( intersect @ Y2 @ Y1 @ Y0 ) ) ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f170]) ).

thf(f180,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( !! @ mu
            @ ^ [Y1: mu] :
                ( ( exists_in_world @ Y1 @ Y0 )
               => ( !! @ mu
                  @ ^ [Y2: mu] :
                      ( ( exists_in_world @ Y2 @ Y0 )
                     => ( ~ ( intersect @ Y1 @ Y2 @ Y0 )
                        | ( intersect @ Y2 @ Y1 @ Y0 ) ) ) ) ) )
        @ X1 )
      = $true ),
    inference(pi_proxy_clausification,[],[f179]) ).

thf(f181,plain,
    ! [X1: $i] :
      ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ( ~ ( intersect @ Y0 @ Y1 @ X1 )
                    | ( intersect @ Y1 @ Y0 @ X1 ) ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f180]) ).

thf(f182,plain,
    ! [X2: mu,X1: $i] :
      ( $true
      = ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ( ~ ( intersect @ Y0 @ Y1 @ X1 )
                    | ( intersect @ Y1 @ Y0 @ X1 ) ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f181]) ).

thf(f183,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
       => ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ( ~ ( intersect @ X2 @ Y0 @ X1 )
                | ( intersect @ Y0 @ X2 @ X1 ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f182]) ).

thf(f184,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ( ~ ( intersect @ X2 @ Y0 @ X1 )
                | ( intersect @ Y0 @ X2 @ X1 ) ) ) )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f183]) ).

thf(f185,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ( ~ ( intersect @ X2 @ Y0 @ X1 )
                | ( intersect @ Y0 @ X2 @ X1 ) ) )
          @ X3 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(pi_proxy_clausification,[],[f184]) ).

thf(f186,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ( exists_in_world @ X3 @ X1 )
         => ( ~ ( intersect @ X2 @ X3 @ X1 )
            | ( intersect @ X3 @ X2 @ X1 ) ) )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(beta-eta_normalization,[],[f185]) ).

thf(f187,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ( intersect @ X2 @ X3 @ X1 )
          | ( intersect @ X3 @ X2 @ X1 ) )
        = $true ) ),
    inference(imp_proxy_clausification,[],[f186]) ).

thf(f188,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( intersect @ X2 @ X3 @ X1 ) )
        = $true )
      | ( ( intersect @ X3 @ X2 @ X1 )
        = $true ) ),
    inference(or_proxy_clausification,[],[f187]) ).

thf(f189,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( intersect @ X3 @ X2 @ X1 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f188]) ).

thf(f199,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ mu
          @ ^ [Y1: mu] :
              ( ( exists_in_world @ Y1 @ Y0 )
             => ( !! @ mu
                @ ^ [Y2: mu] :
                    ( ( exists_in_world @ Y2 @ Y0 )
                   => ~ ( ~ ( ~ ( intersect @ Y1 @ Y2 @ Y0 )
                            | ~ ( !! @ mu
                                @ ^ [Y3: mu] :
                                    ( ( exists_in_world @ Y3 @ Y0 )
                                   => ~ ~ ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                          | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) ) )
                        | ~ ( ~ ~ ( !! @ mu
                                  @ ^ [Y3: mu] :
                                      ( ( exists_in_world @ Y3 @ Y0 )
                                     => ~ ~ ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                            | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) )
                            | ( intersect @ Y1 @ Y2 @ Y0 ) ) ) ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f168]) ).

thf(f200,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( !! @ mu
            @ ^ [Y1: mu] :
                ( ( exists_in_world @ Y1 @ Y0 )
               => ( !! @ mu
                  @ ^ [Y2: mu] :
                      ( ( exists_in_world @ Y2 @ Y0 )
                     => ~ ( ~ ( ~ ( intersect @ Y1 @ Y2 @ Y0 )
                              | ~ ( !! @ mu
                                  @ ^ [Y3: mu] :
                                      ( ( exists_in_world @ Y3 @ Y0 )
                                     => ~ ~ ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                            | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) ) )
                          | ~ ( ~ ~ ( !! @ mu
                                    @ ^ [Y3: mu] :
                                        ( ( exists_in_world @ Y3 @ Y0 )
                                       => ~ ~ ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                              | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) )
                              | ( intersect @ Y1 @ Y2 @ Y0 ) ) ) ) ) ) )
        @ X1 )
      = $true ),
    inference(pi_proxy_clausification,[],[f199]) ).

thf(f201,plain,
    ! [X1: $i] :
      ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ~ ( ~ ( ~ ( intersect @ Y0 @ Y1 @ X1 )
                          | ~ ( !! @ mu
                              @ ^ [Y2: mu] :
                                  ( ( exists_in_world @ Y2 @ X1 )
                                 => ~ ~ ( ~ ( member @ Y2 @ Y0 @ X1 )
                                        | ~ ( member @ Y2 @ Y1 @ X1 ) ) ) ) )
                      | ~ ( ~ ~ ( !! @ mu
                                @ ^ [Y2: mu] :
                                    ( ( exists_in_world @ Y2 @ X1 )
                                   => ~ ~ ( ~ ( member @ Y2 @ Y0 @ X1 )
                                          | ~ ( member @ Y2 @ Y1 @ X1 ) ) ) )
                          | ( intersect @ Y0 @ Y1 @ X1 ) ) ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f200]) ).

thf(f202,plain,
    ! [X2: mu,X1: $i] :
      ( ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ~ ( ~ ( ~ ( intersect @ Y0 @ Y1 @ X1 )
                          | ~ ( !! @ mu
                              @ ^ [Y2: mu] :
                                  ( ( exists_in_world @ Y2 @ X1 )
                                 => ~ ~ ( ~ ( member @ Y2 @ Y0 @ X1 )
                                        | ~ ( member @ Y2 @ Y1 @ X1 ) ) ) ) )
                      | ~ ( ~ ~ ( !! @ mu
                                @ ^ [Y2: mu] :
                                    ( ( exists_in_world @ Y2 @ X1 )
                                   => ~ ~ ( ~ ( member @ Y2 @ Y0 @ X1 )
                                          | ~ ( member @ Y2 @ Y1 @ X1 ) ) ) )
                          | ( intersect @ Y0 @ Y1 @ X1 ) ) ) ) ) )
        @ X2 )
      = $true ),
    inference(pi_proxy_clausification,[],[f201]) ).

thf(f203,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
       => ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ~ ( !! @ mu
                          @ ^ [Y1: mu] :
                              ( ( exists_in_world @ Y1 @ X1 )
                             => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                    | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) ) )
                  | ~ ( ~ ~ ( !! @ mu
                            @ ^ [Y1: mu] :
                                ( ( exists_in_world @ Y1 @ X1 )
                               => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                      | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) )
                      | ( intersect @ X2 @ Y0 @ X1 ) ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f202]) ).

thf(f204,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ~ ( !! @ mu
                          @ ^ [Y1: mu] :
                              ( ( exists_in_world @ Y1 @ X1 )
                             => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                    | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) ) )
                  | ~ ( ~ ~ ( !! @ mu
                            @ ^ [Y1: mu] :
                                ( ( exists_in_world @ Y1 @ X1 )
                               => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                      | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) )
                      | ( intersect @ X2 @ Y0 @ X1 ) ) ) ) )
        = $true ) ),
    inference(imp_proxy_clausification,[],[f203]) ).

thf(f205,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ~ ( !! @ mu
                          @ ^ [Y1: mu] :
                              ( ( exists_in_world @ Y1 @ X1 )
                             => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                    | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) ) )
                  | ~ ( ~ ~ ( !! @ mu
                            @ ^ [Y1: mu] :
                                ( ( exists_in_world @ Y1 @ X1 )
                               => ~ ~ ( ~ ( member @ Y1 @ X2 @ X1 )
                                      | ~ ( member @ Y1 @ Y0 @ X1 ) ) ) )
                      | ( intersect @ X2 @ Y0 @ X1 ) ) ) )
          @ X3 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(pi_proxy_clausification,[],[f204]) ).

thf(f206,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ( exists_in_world @ X3 @ X1 )
         => ~ ( ~ ( ~ ( intersect @ X2 @ X3 @ X1 )
                  | ~ ( !! @ mu
                      @ ^ [Y0: mu] :
                          ( ( exists_in_world @ Y0 @ X1 )
                         => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                                | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
              | ~ ( ~ ~ ( !! @ mu
                        @ ^ [Y0: mu] :
                            ( ( exists_in_world @ Y0 @ X1 )
                           => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                                  | ~ ( member @ Y0 @ X3 @ X1 ) ) ) )
                  | ( intersect @ X2 @ X3 @ X1 ) ) ) )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(beta-eta_normalization,[],[f205]) ).

thf(f207,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ~ ( ~ ( ~ ( intersect @ X2 @ X3 @ X1 )
                  | ~ ( !! @ mu
                      @ ^ [Y0: mu] :
                          ( ( exists_in_world @ Y0 @ X1 )
                         => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                                | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
              | ~ ( ~ ~ ( !! @ mu
                        @ ^ [Y0: mu] :
                            ( ( exists_in_world @ Y0 @ X1 )
                           => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                                  | ~ ( member @ Y0 @ X3 @ X1 ) ) ) )
                  | ( intersect @ X2 @ X3 @ X1 ) ) ) )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f206]) ).

thf(f208,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( ~ ( intersect @ X2 @ X3 @ X1 )
              | ~ ( !! @ mu
                  @ ^ [Y0: mu] :
                      ( ( exists_in_world @ Y0 @ X1 )
                     => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                            | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
          | ~ ( ~ ~ ( !! @ mu
                    @ ^ [Y0: mu] :
                        ( ( exists_in_world @ Y0 @ X1 )
                       => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                              | ~ ( member @ Y0 @ X3 @ X1 ) ) ) )
              | ( intersect @ X2 @ X3 @ X1 ) ) )
        = $false ) ),
    inference(not_proxy_clausification,[],[f207]) ).

thf(f210,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ~ ( ~ ( intersect @ X2 @ X3 @ X1 )
              | ~ ( !! @ mu
                  @ ^ [Y0: mu] :
                      ( ( exists_in_world @ Y0 @ X1 )
                     => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                            | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) ) )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(or_proxy_clausification,[],[f208]) ).

thf(f211,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( intersect @ X2 @ X3 @ X1 )
          | ~ ( !! @ mu
              @ ^ [Y0: mu] :
                  ( ( exists_in_world @ Y0 @ X1 )
                 => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                        | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
        = $true ) ),
    inference(not_proxy_clausification,[],[f210]) ).

thf(f212,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ( intersect @ X2 @ X3 @ X1 ) )
        = $true )
      | ( ( ~ ( !! @ mu
              @ ^ [Y0: mu] :
                  ( ( exists_in_world @ Y0 @ X1 )
                 => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                        | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
        = $true ) ),
    inference(or_proxy_clausification,[],[f211]) ).

thf(f213,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ( !! @ mu
              @ ^ [Y0: mu] :
                  ( ( exists_in_world @ Y0 @ X1 )
                 => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                        | ~ ( member @ Y0 @ X3 @ X1 ) ) ) ) )
        = $true ) ),
    inference(not_proxy_clausification,[],[f212]) ).

thf(f214,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                    | ~ ( member @ Y0 @ X3 @ X1 ) ) ) )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f213]) ).

thf(f215,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ~ ( ~ ( member @ Y0 @ X2 @ X1 )
                    | ~ ( member @ Y0 @ X3 @ X1 ) ) )
          @ ( sK2 @ X3 @ X1 @ X2 ) )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false ) ),
    inference(sigma_proxy_clausification,[],[f214]) ).

thf(f216,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ( exists_in_world @ ( sK2 @ X3 @ X1 @ X2 ) @ X1 )
         => ~ ~ ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 )
                | ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 ) ) )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(beta-eta_normalization,[],[f215]) ).

thf(f217,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ~ ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 )
                | ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 ) ) )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f216]) ).

thf(f218,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( $true
        = ( exists_in_world @ ( sK2 @ X3 @ X1 @ X2 ) @ X1 ) )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f216]) ).

thf(f219,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 )
              | ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 ) ) )
        = $true )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f217]) ).

thf(f220,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 )
          | ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 ) )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f219]) ).

thf(f221,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 ) )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false ) ),
    inference(or_proxy_clausification,[],[f220]) ).

thf(f222,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( ~ ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 ) )
        = $false ) ),
    inference(or_proxy_clausification,[],[f220]) ).

thf(f223,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X2 @ X1 )
        = $true )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f222]) ).

thf(f224,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( member @ ( sK2 @ X3 @ X1 @ X2 ) @ X3 @ X1 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f221]) ).

thf(f237,plain,
    ( ( ( ^ [Y0: $i > $o] :
            ( !! @ $i
            @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
        @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
              ( !! @ mu
              @ ^ [Y2: mu] :
                  ( ( exists_in_world @ Y2 @ Y1 )
                 => ( Y0 @ Y2 @ Y1 ) ) )
          @ ^ [Y0: mu] :
              ( ^ [Y1: mu > $i > $o,Y2: $i] :
                  ( !! @ mu
                  @ ^ [Y3: mu] :
                      ( ( exists_in_world @ Y3 @ Y2 )
                     => ( Y1 @ Y3 @ Y2 ) ) )
              @ ^ [Y1: mu] :
                  ( ^ [Y2: $i > $o,Y3: $i > $o] :
                      ( ^ [Y4: $i > $o,Y5: $i > $o,Y6: $i] :
                          ( ( Y4 @ Y6 )
                          | ( Y5 @ Y6 ) )
                      @ ( ^ [Y4: $i > $o,Y5: $i] :
                            ~ ( Y4 @ Y5 )
                        @ Y2 )
                      @ Y3 )
                  @ ( ^ [Y2: mu > $i > $o,Y3: $i] :
                        ( !! @ mu
                        @ ^ [Y4: mu] :
                            ( ( exists_in_world @ Y4 @ Y3 )
                           => ( Y2 @ Y4 @ Y3 ) ) )
                    @ ^ [Y2: mu] :
                        ( ^ [Y3: $i > $o,Y4: $i > $o] :
                            ( ^ [Y5: $i > $o,Y6: $i > $o,Y7: $i] :
                                ( ( Y5 @ Y7 )
                                | ( Y6 @ Y7 ) )
                            @ ( ^ [Y5: $i > $o,Y6: $i] :
                                  ~ ( Y5 @ Y6 )
                              @ Y3 )
                            @ Y4 )
                        @ ( member @ Y2 @ Y0 )
                        @ ( ^ [Y3: $i > $o,Y4: $i] :
                              ~ ( Y3 @ Y4 )
                          @ ( member @ Y2 @ Y1 ) ) ) )
                  @ ( disjoint @ Y0 @ Y1 ) ) ) ) )
      = $false )
    | ( sF1 = $true ) ),
    inference(iff_proxy_clausification,[],[f174]) ).

thf(f258,plain,
    ( ( $false
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ mu
            @ ^ [Y1: mu] :
                ( ( exists_in_world @ Y1 @ Y0 )
               => ( !! @ mu
                  @ ^ [Y2: mu] :
                      ( ( exists_in_world @ Y2 @ Y0 )
                     => ( ~ ( !! @ mu
                            @ ^ [Y3: mu] :
                                ( ( exists_in_world @ Y3 @ Y0 )
                               => ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                  | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) )
                        | ( disjoint @ Y1 @ Y2 @ Y0 ) ) ) ) ) ) ) )
    | ( sF1 = $true ) ),
    inference(beta-eta_normalization,[],[f237]) ).

thf(f259,plain,
    ( ( ( ^ [Y0: $i] :
            ( !! @ mu
            @ ^ [Y1: mu] :
                ( ( exists_in_world @ Y1 @ Y0 )
               => ( !! @ mu
                  @ ^ [Y2: mu] :
                      ( ( exists_in_world @ Y2 @ Y0 )
                     => ( ~ ( !! @ mu
                            @ ^ [Y3: mu] :
                                ( ( exists_in_world @ Y3 @ Y0 )
                               => ( ~ ( member @ Y3 @ Y1 @ Y0 )
                                  | ~ ( member @ Y3 @ Y2 @ Y0 ) ) ) )
                        | ( disjoint @ Y1 @ Y2 @ Y0 ) ) ) ) ) )
        @ sK4 )
      = $false )
    | ( sF1 = $true ) ),
    inference(sigma_proxy_clausification,[],[f258]) ).

thf(f260,plain,
    ( ( sF1 = $true )
    | ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK4 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ sK4 )
                 => ( ~ ( !! @ mu
                        @ ^ [Y2: mu] :
                            ( ( exists_in_world @ Y2 @ sK4 )
                           => ( ~ ( member @ Y2 @ Y0 @ sK4 )
                              | ~ ( member @ Y2 @ Y1 @ sK4 ) ) ) )
                    | ( disjoint @ Y0 @ Y1 @ sK4 ) ) ) ) ) )
      = $false ) ),
    inference(beta-eta_normalization,[],[f259]) ).

thf(f261,plain,
    ( ( ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK4 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ sK4 )
                 => ( ~ ( !! @ mu
                        @ ^ [Y2: mu] :
                            ( ( exists_in_world @ Y2 @ sK4 )
                           => ( ~ ( member @ Y2 @ Y0 @ sK4 )
                              | ~ ( member @ Y2 @ Y1 @ sK4 ) ) ) )
                    | ( disjoint @ Y0 @ Y1 @ sK4 ) ) ) ) )
        @ sK5 )
      = $false )
    | ( sF1 = $true ) ),
    inference(sigma_proxy_clausification,[],[f260]) ).

thf(f262,plain,
    ( ( ( ( exists_in_world @ sK5 @ sK4 )
       => ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ sK4 )
             => ( ~ ( !! @ mu
                    @ ^ [Y1: mu] :
                        ( ( exists_in_world @ Y1 @ sK4 )
                       => ( ~ ( member @ Y1 @ sK5 @ sK4 )
                          | ~ ( member @ Y1 @ Y0 @ sK4 ) ) ) )
                | ( disjoint @ sK5 @ Y0 @ sK4 ) ) ) ) )
      = $false )
    | ( sF1 = $true ) ),
    inference(beta-eta_normalization,[],[f261]) ).

thf(f263,plain,
    ( ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK4 )
           => ( ~ ( !! @ mu
                  @ ^ [Y1: mu] :
                      ( ( exists_in_world @ Y1 @ sK4 )
                     => ( ~ ( member @ Y1 @ sK5 @ sK4 )
                        | ~ ( member @ Y1 @ Y0 @ sK4 ) ) ) )
              | ( disjoint @ sK5 @ Y0 @ sK4 ) ) ) )
      = $false )
    | ( sF1 = $true ) ),
    inference(imp_proxy_clausification,[],[f262]) ).

thf(f264,plain,
    ( ( sF1 = $true )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $true ) ),
    inference(imp_proxy_clausification,[],[f262]) ).

thf(f265,plain,
    ( ( sF1 = $true )
    | ( ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK4 )
           => ( ~ ( !! @ mu
                  @ ^ [Y1: mu] :
                      ( ( exists_in_world @ Y1 @ sK4 )
                     => ( ~ ( member @ Y1 @ sK5 @ sK4 )
                        | ~ ( member @ Y1 @ Y0 @ sK4 ) ) ) )
              | ( disjoint @ sK5 @ Y0 @ sK4 ) ) )
        @ sK6 )
      = $false ) ),
    inference(sigma_proxy_clausification,[],[f263]) ).

thf(f266,plain,
    ( ( ( ( exists_in_world @ sK6 @ sK4 )
       => ( ~ ( !! @ mu
              @ ^ [Y0: mu] :
                  ( ( exists_in_world @ Y0 @ sK4 )
                 => ( ~ ( member @ Y0 @ sK5 @ sK4 )
                    | ~ ( member @ Y0 @ sK6 @ sK4 ) ) ) )
          | ( disjoint @ sK5 @ sK6 @ sK4 ) ) )
      = $false )
    | ( sF1 = $true ) ),
    inference(beta-eta_normalization,[],[f265]) ).

thf(f267,plain,
    ( ( ( ~ ( !! @ mu
            @ ^ [Y0: mu] :
                ( ( exists_in_world @ Y0 @ sK4 )
               => ( ~ ( member @ Y0 @ sK5 @ sK4 )
                  | ~ ( member @ Y0 @ sK6 @ sK4 ) ) ) )
        | ( disjoint @ sK5 @ sK6 @ sK4 ) )
      = $false )
    | ( sF1 = $true ) ),
    inference(imp_proxy_clausification,[],[f266]) ).

thf(f268,plain,
    ( ( ( exists_in_world @ sK6 @ sK4 )
      = $true )
    | ( sF1 = $true ) ),
    inference(imp_proxy_clausification,[],[f266]) ).

thf(f269,plain,
    ( ( ( disjoint @ sK5 @ sK6 @ sK4 )
      = $false )
    | ( sF1 = $true ) ),
    inference(or_proxy_clausification,[],[f267]) ).

thf(f270,plain,
    ( ( sF1 = $true )
    | ( ( ~ ( !! @ mu
            @ ^ [Y0: mu] :
                ( ( exists_in_world @ Y0 @ sK4 )
               => ( ~ ( member @ Y0 @ sK5 @ sK4 )
                  | ~ ( member @ Y0 @ sK6 @ sK4 ) ) ) ) )
      = $false ) ),
    inference(or_proxy_clausification,[],[f267]) ).

thf(f271,plain,
    ( ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK4 )
           => ( ~ ( member @ Y0 @ sK5 @ sK4 )
              | ~ ( member @ Y0 @ sK6 @ sK4 ) ) ) )
      = $true )
    | ( sF1 = $true ) ),
    inference(not_proxy_clausification,[],[f270]) ).

thf(f272,plain,
    ! [X1: mu] :
      ( ( ( ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ sK4 )
             => ( ~ ( member @ Y0 @ sK5 @ sK4 )
                | ~ ( member @ Y0 @ sK6 @ sK4 ) ) )
          @ X1 )
        = $true )
      | ( sF1 = $true ) ),
    inference(pi_proxy_clausification,[],[f271]) ).

thf(f273,plain,
    ! [X1: mu] :
      ( ( ( ( exists_in_world @ X1 @ sK4 )
         => ( ~ ( member @ X1 @ sK5 @ sK4 )
            | ~ ( member @ X1 @ sK6 @ sK4 ) ) )
        = $true )
      | ( sF1 = $true ) ),
    inference(beta-eta_normalization,[],[f272]) ).

thf(f274,plain,
    ! [X1: mu] :
      ( ( ( ~ ( member @ X1 @ sK5 @ sK4 )
          | ~ ( member @ X1 @ sK6 @ sK4 ) )
        = $true )
      | ( sF1 = $true )
      | ( ( exists_in_world @ X1 @ sK4 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f273]) ).

thf(f275,plain,
    ! [X1: mu] :
      ( ( sF1 = $true )
      | ( ( ~ ( member @ X1 @ sK5 @ sK4 ) )
        = $true )
      | ( ( exists_in_world @ X1 @ sK4 )
        = $false )
      | ( ( ~ ( member @ X1 @ sK6 @ sK4 ) )
        = $true ) ),
    inference(or_proxy_clausification,[],[f274]) ).

thf(f276,plain,
    ! [X1: mu] :
      ( ( ( member @ X1 @ sK5 @ sK4 )
        = $false )
      | ( sF1 = $true )
      | ( ( ~ ( member @ X1 @ sK6 @ sK4 ) )
        = $true )
      | ( ( exists_in_world @ X1 @ sK4 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f275]) ).

thf(f277,plain,
    ! [X1: mu] :
      ( ( ( member @ X1 @ sK6 @ sK4 )
        = $false )
      | ( ( exists_in_world @ X1 @ sK4 )
        = $false )
      | ( ( member @ X1 @ sK5 @ sK4 )
        = $false )
      | ( sF1 = $true ) ),
    inference(not_proxy_clausification,[],[f276]) ).

thf(f278,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ mu
          @ ^ [Y1: mu] :
              ( ( exists_in_world @ Y1 @ Y0 )
             => ( !! @ mu
                @ ^ [Y2: mu] :
                    ( ( exists_in_world @ Y2 @ Y0 )
                   => ~ ( ~ ( ~ ( disjoint @ Y1 @ Y2 @ Y0 )
                            | ~ ( intersect @ Y1 @ Y2 @ Y0 ) )
                        | ~ ( ~ ~ ( intersect @ Y1 @ Y2 @ Y0 )
                            | ( disjoint @ Y1 @ Y2 @ Y0 ) ) ) ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f169]) ).

thf(f279,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( !! @ mu
            @ ^ [Y1: mu] :
                ( ( exists_in_world @ Y1 @ Y0 )
               => ( !! @ mu
                  @ ^ [Y2: mu] :
                      ( ( exists_in_world @ Y2 @ Y0 )
                     => ~ ( ~ ( ~ ( disjoint @ Y1 @ Y2 @ Y0 )
                              | ~ ( intersect @ Y1 @ Y2 @ Y0 ) )
                          | ~ ( ~ ~ ( intersect @ Y1 @ Y2 @ Y0 )
                              | ( disjoint @ Y1 @ Y2 @ Y0 ) ) ) ) ) ) )
        @ X1 )
      = $true ),
    inference(pi_proxy_clausification,[],[f278]) ).

thf(f280,plain,
    ! [X1: $i] :
      ( ( !! @ mu
        @ ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ~ ( ~ ( ~ ( disjoint @ Y0 @ Y1 @ X1 )
                          | ~ ( intersect @ Y0 @ Y1 @ X1 ) )
                      | ~ ( ~ ~ ( intersect @ Y0 @ Y1 @ X1 )
                          | ( disjoint @ Y0 @ Y1 @ X1 ) ) ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f279]) ).

thf(f281,plain,
    ! [X2: mu,X1: $i] :
      ( ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ X1 )
           => ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ X1 )
                 => ~ ( ~ ( ~ ( disjoint @ Y0 @ Y1 @ X1 )
                          | ~ ( intersect @ Y0 @ Y1 @ X1 ) )
                      | ~ ( ~ ~ ( intersect @ Y0 @ Y1 @ X1 )
                          | ( disjoint @ Y0 @ Y1 @ X1 ) ) ) ) ) )
        @ X2 )
      = $true ),
    inference(pi_proxy_clausification,[],[f280]) ).

thf(f282,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
       => ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( disjoint @ X2 @ Y0 @ X1 )
                      | ~ ( intersect @ X2 @ Y0 @ X1 ) )
                  | ~ ( ~ ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ( disjoint @ X2 @ Y0 @ X1 ) ) ) ) ) )
      = $true ),
    inference(beta-eta_normalization,[],[f281]) ).

thf(f283,plain,
    ! [X2: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( disjoint @ X2 @ Y0 @ X1 )
                      | ~ ( intersect @ X2 @ Y0 @ X1 ) )
                  | ~ ( ~ ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ( disjoint @ X2 @ Y0 @ X1 ) ) ) ) )
        = $true ) ),
    inference(imp_proxy_clausification,[],[f282]) ).

thf(f284,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ X1 )
             => ~ ( ~ ( ~ ( disjoint @ X2 @ Y0 @ X1 )
                      | ~ ( intersect @ X2 @ Y0 @ X1 ) )
                  | ~ ( ~ ~ ( intersect @ X2 @ Y0 @ X1 )
                      | ( disjoint @ X2 @ Y0 @ X1 ) ) ) )
          @ X3 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false ) ),
    inference(pi_proxy_clausification,[],[f283]) ).

thf(f285,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ( exists_in_world @ X3 @ X1 )
         => ~ ( ~ ( ~ ( disjoint @ X2 @ X3 @ X1 )
                  | ~ ( intersect @ X2 @ X3 @ X1 ) )
              | ~ ( ~ ~ ( intersect @ X2 @ X3 @ X1 )
                  | ( disjoint @ X2 @ X3 @ X1 ) ) ) )
        = $true ) ),
    inference(beta-eta_normalization,[],[f284]) ).

thf(f286,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( disjoint @ X2 @ X3 @ X1 )
                  | ~ ( intersect @ X2 @ X3 @ X1 ) )
              | ~ ( ~ ~ ( intersect @ X2 @ X3 @ X1 )
                  | ( disjoint @ X2 @ X3 @ X1 ) ) ) )
        = $true )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f285]) ).

thf(f287,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ( ~ ( disjoint @ X2 @ X3 @ X1 )
              | ~ ( intersect @ X2 @ X3 @ X1 ) )
          | ~ ( ~ ~ ( intersect @ X2 @ X3 @ X1 )
              | ( disjoint @ X2 @ X3 @ X1 ) ) )
        = $false ) ),
    inference(not_proxy_clausification,[],[f286]) ).

thf(f288,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ( ~ ~ ( intersect @ X2 @ X3 @ X1 )
              | ( disjoint @ X2 @ X3 @ X1 ) ) )
        = $false ) ),
    inference(or_proxy_clausification,[],[f287]) ).

thf(f294,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ~ ( intersect @ X2 @ X3 @ X1 )
          | ( disjoint @ X2 @ X3 @ X1 ) )
        = $true )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false ) ),
    inference(not_proxy_clausification,[],[f288]) ).

thf(f295,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( ~ ~ ( intersect @ X2 @ X3 @ X1 ) )
        = $true )
      | ( ( disjoint @ X2 @ X3 @ X1 )
        = $true ) ),
    inference(or_proxy_clausification,[],[f294]) ).

thf(f296,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( disjoint @ X2 @ X3 @ X1 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( ~ ( intersect @ X2 @ X3 @ X1 ) )
        = $false ) ),
    inference(not_proxy_clausification,[],[f295]) ).

thf(f297,plain,
    ! [X2: mu,X3: mu,X1: $i] :
      ( ( ( disjoint @ X2 @ X3 @ X1 )
        = $true )
      | ( ( exists_in_world @ X2 @ X1 )
        = $false )
      | ( ( exists_in_world @ X3 @ X1 )
        = $false )
      | ( ( intersect @ X2 @ X3 @ X1 )
        = $true ) ),
    inference(not_proxy_clausification,[],[f296]) ).

thf(f315,definition,
    ( spl7_5
  <=> ( ( exists_in_world @ sK5 @ sK4 )
      = $true ) ),
    introduced(definition,[new_symbols(definition,[spl7_5])],[avatar_definition]) ).

thf(f317,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $true )
    | ~ spl7_5 ),
    inference(avatar_component_clause,[],[f315]) ).

thf(f319,definition,
    ( spl7_6
  <=> ( sF1 = $true ) ),
    introduced(definition,[new_symbols(definition,[spl7_6])],[avatar_definition]) ).

thf(f322,plain,
    ( spl7_5
    | spl7_6 ),
    inference(avatar_split_clause,[],[f264,f319,f315]) ).

thf(f324,definition,
    ( spl7_7
  <=> ( ( exists_in_world @ sK6 @ sK4 )
      = $true ) ),
    introduced(definition,[new_symbols(definition,[spl7_7])],[avatar_definition]) ).

thf(f326,plain,
    ( ( ( exists_in_world @ sK6 @ sK4 )
      = $true )
    | ~ spl7_7 ),
    inference(avatar_component_clause,[],[f324]) ).

thf(f327,plain,
    ( spl7_6
    | spl7_7 ),
    inference(avatar_split_clause,[],[f268,f324,f319]) ).

thf(f329,definition,
    ( spl7_8
  <=> ! [X1: mu] :
        ( ( ( member @ X1 @ sK6 @ sK4 )
          = $false )
        | ( ( member @ X1 @ sK5 @ sK4 )
          = $false )
        | ( ( exists_in_world @ X1 @ sK4 )
          = $false ) ) ),
    introduced(definition,[new_symbols(definition,[spl7_8])],[avatar_definition]) ).

thf(f330,plain,
    ( ! [X1: mu] :
        ( ( ( member @ X1 @ sK6 @ sK4 )
          = $false )
        | ( ( exists_in_world @ X1 @ sK4 )
          = $false )
        | ( ( member @ X1 @ sK5 @ sK4 )
          = $false ) )
    | ~ spl7_8 ),
    inference(avatar_component_clause,[],[f329]) ).

thf(f331,plain,
    ( spl7_8
    | spl7_6 ),
    inference(avatar_split_clause,[],[f277,f319,f329]) ).

thf(f333,definition,
    ( spl7_9
  <=> ( ( disjoint @ sK5 @ sK6 @ sK4 )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl7_9])],[avatar_definition]) ).

thf(f335,plain,
    ( ( ( disjoint @ sK5 @ sK6 @ sK4 )
      = $false )
    | ~ spl7_9 ),
    inference(avatar_component_clause,[],[f333]) ).

thf(f336,plain,
    ( spl7_6
    | spl7_9 ),
    inference(avatar_split_clause,[],[f269,f333,f319]) ).

thf(f337,plain,
    ~ spl7_6,
    inference(avatar_split_clause,[],[f175,f319]) ).

thf(f365,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( $false = $true )
    | ~ spl7_9 ),
    inference(constrained_superposition,[],[f297,f335]) ).

thf(f371,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ~ spl7_9 ),
    inference(trivial_inequality_removal,[],[f365]) ).

thf(f375,plain,
    ( ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( $false = $true )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ~ spl7_5
    | ~ spl7_9 ),
    inference(forward_demodulation,[],[f371,f317]) ).

thf(f376,plain,
    ( ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ~ spl7_5
    | ~ spl7_9 ),
    inference(trivial_inequality_removal,[],[f375]) ).

thf(f379,plain,
    ( ( $false = $true )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9 ),
    inference(forward_demodulation,[],[f376,f326]) ).

thf(f380,plain,
    ( ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $true )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9 ),
    inference(trivial_inequality_removal,[],[f379]) ).

thf(f390,plain,
    ( ! [X0: mu] :
        ( ( ( exists_in_world @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK4 )
          = $false )
        | ( ( member @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK5 @ sK4 )
          = $false )
        | ( ( exists_in_world @ sK6 @ sK4 )
          = $false )
        | ( ( exists_in_world @ X0 @ sK4 )
          = $false )
        | ( $false = $true )
        | ( ( intersect @ sK6 @ X0 @ sK4 )
          = $false ) )
    | ~ spl7_8 ),
    inference(constrained_superposition,[],[f223,f330]) ).

thf(f400,plain,
    ( ! [X0: mu] :
        ( ( ( intersect @ sK6 @ X0 @ sK4 )
          = $false )
        | ( ( member @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK5 @ sK4 )
          = $false )
        | ( ( exists_in_world @ X0 @ sK4 )
          = $false )
        | ( ( exists_in_world @ sK6 @ sK4 )
          = $false )
        | ( ( exists_in_world @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK4 )
          = $false ) )
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f390]) ).

thf(f406,plain,
    ( ! [X0: mu] :
        ( ( ( exists_in_world @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK4 )
          = $false )
        | ( ( exists_in_world @ X0 @ sK4 )
          = $false )
        | ( $false = $true )
        | ( ( member @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK5 @ sK4 )
          = $false )
        | ( ( intersect @ sK6 @ X0 @ sK4 )
          = $false ) )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(forward_demodulation,[],[f400,f326]) ).

thf(f407,plain,
    ( ! [X0: mu] :
        ( ( ( member @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK5 @ sK4 )
          = $false )
        | ( ( exists_in_world @ ( sK2 @ X0 @ sK4 @ sK6 ) @ sK4 )
          = $false )
        | ( ( exists_in_world @ X0 @ sK4 )
          = $false )
        | ( ( intersect @ sK6 @ X0 @ sK4 )
          = $false ) )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f406]) ).

thf(f484,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( $false = $true )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(constrained_superposition,[],[f407,f224]) ).

thf(f490,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( $false = $true )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(duplicate_literal_removal,[],[f484]) ).

thf(f491,plain,
    ( ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f490]) ).

thf(f494,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( $false = $true )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(forward_demodulation,[],[f491,f326]) ).

thf(f495,plain,
    ( ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f494]) ).

thf(f498,plain,
    ( ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( $false = $true )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(forward_demodulation,[],[f495,f317]) ).

thf(f499,plain,
    ( ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(trivial_inequality_removal,[],[f498]) ).

thf(f501,definition,
    ( spl7_10
  <=> ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl7_10])],[avatar_definition]) ).

thf(f502,plain,
    ( ( ( intersect @ sK6 @ sK5 @ sK4 )
     != $false )
    | spl7_10 ),
    inference(avatar_component_clause,[],[f501]) ).

thf(f503,plain,
    ( ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ~ spl7_10 ),
    inference(avatar_component_clause,[],[f501]) ).

thf(f505,definition,
    ( spl7_11
  <=> ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl7_11])],[avatar_definition]) ).

thf(f507,plain,
    ( ( ( exists_in_world @ ( sK2 @ sK5 @ sK4 @ sK6 ) @ sK4 )
      = $false )
    | ~ spl7_11 ),
    inference(avatar_component_clause,[],[f505]) ).

thf(f509,plain,
    ( spl7_10
    | spl7_11
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_8 ),
    inference(avatar_split_clause,[],[f499,f329,f324,f315,f505,f501]) ).

thf(f512,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( $false = $true )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ~ spl7_10 ),
    inference(constrained_superposition,[],[f189,f503]) ).

thf(f515,plain,
    ( ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $false )
    | ~ spl7_10 ),
    inference(trivial_inequality_removal,[],[f512]) ).

thf(f518,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $false )
    | ( $false = $true )
    | ~ spl7_7
    | ~ spl7_10 ),
    inference(forward_demodulation,[],[f515,f326]) ).

thf(f519,plain,
    ( ( ( intersect @ sK5 @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_7
    | ~ spl7_10 ),
    inference(trivial_inequality_removal,[],[f518]) ).

thf(f522,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( $false = $true )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(forward_demodulation,[],[f519,f380]) ).

thf(f523,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(trivial_inequality_removal,[],[f522]) ).

thf(f527,plain,
    ( ( $false = $true )
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(forward_demodulation,[],[f523,f317]) ).

thf(f528,plain,
    ( $false
    | ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(trivial_inequality_removal,[],[f527]) ).

thf(f529,plain,
    ( ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(avatar_contradiction_clause,[],[f528]) ).

thf(f558,plain,
    ( ( $false = $true )
    | ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_11 ),
    inference(constrained_superposition,[],[f218,f507]) ).

thf(f562,plain,
    ( ( ( intersect @ sK6 @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ~ spl7_11 ),
    inference(trivial_inequality_removal,[],[f558]) ).

thf(f566,plain,
    ( ( ( exists_in_world @ sK5 @ sK4 )
      = $false )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | spl7_10
    | ~ spl7_11 ),
    inference(forward_subsumption_resolution,[],[f562,f502]) ).

thf(f569,plain,
    ( ( $false = $true )
    | ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ~ spl7_5
    | spl7_10
    | ~ spl7_11 ),
    inference(forward_demodulation,[],[f566,f317]) ).

thf(f570,plain,
    ( ( ( exists_in_world @ sK6 @ sK4 )
      = $false )
    | ~ spl7_5
    | spl7_10
    | ~ spl7_11 ),
    inference(trivial_inequality_removal,[],[f569]) ).

thf(f574,plain,
    ( ( $false = $true )
    | ~ spl7_5
    | ~ spl7_7
    | spl7_10
    | ~ spl7_11 ),
    inference(forward_demodulation,[],[f570,f326]) ).

thf(f575,plain,
    ( $false
    | ~ spl7_5
    | ~ spl7_7
    | spl7_10
    | ~ spl7_11 ),
    inference(trivial_inequality_removal,[],[f574]) ).

thf(f576,plain,
    ( ~ spl7_5
    | ~ spl7_7
    | spl7_10
    | ~ spl7_11 ),
    inference(avatar_contradiction_clause,[],[f575]) ).

cnf(s4,plain,
    ( spl7_5
    | spl7_6 ),
    inference(sat_conversion,[],[f322]) ).

cnf(s5,plain,
    ( spl7_6
    | spl7_7 ),
    inference(sat_conversion,[],[f327]) ).

cnf(s6,plain,
    ( spl7_6
    | spl7_8 ),
    inference(sat_conversion,[],[f331]) ).

cnf(s7,plain,
    ( spl7_6
    | spl7_9 ),
    inference(sat_conversion,[],[f336]) ).

cnf(s8,plain,
    ~ spl7_6,
    inference(sat_conversion,[],[f337]) ).

cnf(s10,plain,
    ( ~ spl7_5
    | ~ spl7_7
    | ~ spl7_8
    | spl7_10
    | spl7_11 ),
    inference(sat_conversion,[],[f509]) ).

cnf(s12,plain,
    ( ~ spl7_5
    | ~ spl7_7
    | ~ spl7_9
    | ~ spl7_10 ),
    inference(sat_conversion,[],[f529]) ).

cnf(s14,plain,
    ( ~ spl7_5
    | ~ spl7_7
    | spl7_10
    | ~ spl7_11 ),
    inference(sat_conversion,[],[f576]) ).

cnf(s15,plain,
    spl7_9,
    inference(rat,[],[s7,s8]) ).

cnf(s16,plain,
    spl7_8,
    inference(rat,[],[s6,s8]) ).

cnf(s17,plain,
    spl7_7,
    inference(rat,[],[s5,s8]) ).

cnf(s18,plain,
    spl7_5,
    inference(rat,[],[s4,s8]) ).

cnf(s19,plain,
    ~ spl7_10,
    inference(rat,[],[s12,s17,s15,s18]) ).

cnf(s20,plain,
    ~ spl7_11,
    inference(rat,[],[s14,s18,s17,s19]) ).

cnf(s21,plain,
    $false,
    inference(rat,[],[s10,s18,s17,s16,s20,s19]) ).

thf(f577,plain,
    $false,
    inference(avatar_sat_refutation,[],[s21]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04  % Problem  : SET576^7 : TPTP v9.3.1. Released v5.5.0.
% 0.00/0.08  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.12/0.27  % Computer : n018.cluster.edu
% 0.12/0.27  % Model    : x86_64 x86_64
% 0.12/0.27  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.27  % Memory   : 8046.5625MB
% 0.12/0.27  % OS       : Linux 6.8.0-71-generic
% 0.12/0.27  % CPULimit : 300
% 0.12/0.27  % WCLimit  : 300
% 0.12/0.27  % DateTime : Tue Sep 29 13:39:56 UTC 2026
% 0.12/0.27  % CPUTime  : 
% 0.12/0.27  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.28/0.33  Running higher-order theorem proving
% 0.28/0.35  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.35/0.46  % (75872)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.35/0.46  % (75879)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=3914911731:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.35/0.46  % (75879)Instruction limit reached! 
% 0.35/0.46  % (75879)------------------------------
% 0.35/0.46  % (75879)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.46  % (75879)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.46  % (75879)CaDiCaL version: 2.1.3
% 0.35/0.46  % (75879)Termination reason: Instruction limit
% 0.35/0.46  % (75879)Termination phase: Property scanning
% 0.35/0.46  % (75879)Time elapsed: 0.002 s
% 0.35/0.46  % (75879)Peak memory usage: 10 MB
% 0.35/0.46  % (75879)Instructions burned: 4 (million)
% 0.35/0.46  % (75877)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=3482587407:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.35/0.46  % (75878)lrs+10_16_si=on:nwc=1.5:random_seed=1856604335:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.35/0.46  % (75880)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=794886298:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.35/0.46  % (75881)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=1504980952:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.35/0.46  % (75883)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.35/0.46  % (75883)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 0.35/0.46  % (75883)dis+1002_8_to=kbo:sil=128000:tgt=full:drc=off:si=on:sp=const_max:lma=off:spb=non_intro:cbe=off:uwa=interpreted_only:random_seed=953964656:hsqr=1,8:i=157:s2at=5:add=on:nm=2:rtra=on_2999 on theBenchmark for (2999ds/157Mi)
% 0.35/0.46  % (75878)Instruction limit reached! 
% 0.35/0.46  % (75878)------------------------------
% 0.35/0.46  % (75878)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.46  % (75878)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.46  % (75878)CaDiCaL version: 2.1.3
% 0.35/0.46  % (75878)Termination reason: Instruction limit
% 0.35/0.46  % (75878)Termination phase: Saturation
% 0.35/0.46  % (75878)Time elapsed: 0.015 s
% 0.35/0.46  % (75878)Peak memory usage: 11 MB
% 0.35/0.46  % (75878)Instructions burned: 18 (million)
% 0.35/0.46  % (75882)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=688246463:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.35/0.46  % (75885)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=3808938103:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 0.35/0.46  % (75885)Instruction limit reached! 
% 0.35/0.46  % (75885)------------------------------
% 0.35/0.46  % (75885)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.46  % (75885)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.46  % (75885)CaDiCaL version: 2.1.3
% 0.35/0.46  % (75885)Termination reason: Instruction limit
% 0.35/0.46  % (75885)Termination phase: shuffling
% 0.35/0.46  % (75885)Time elapsed: 0.002 s
% 0.35/0.46  % (75885)Peak memory usage: 9 MB
% 0.35/0.46  % (75885)Instructions burned: 2 (million)
% 0.35/0.46  % (75881)Instruction limit reached! 
% 0.35/0.46  % (75881)------------------------------
% 0.35/0.46  % (75881)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.46  % (75881)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.46  % (75881)CaDiCaL version: 2.1.3
% 0.35/0.46  % (75881)Termination reason: Instruction limit
% 0.35/0.46  % (75881)Termination phase: Saturation
% 0.35/0.46  % (75881)Time elapsed: 0.023 s
% 0.35/0.46  % (75881)Peak memory usage: 12 MB
% 0.35/0.46  % (75881)Instructions burned: 24 (million)
% 0.35/0.46  % (75883) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-75872-75883"...
% 0.35/0.46  % (75883)...printing done.
% 0.35/0.46  % (75883)Refutation found. Thanks to Tanya!
% 0.35/0.46  % SZS status Theorem for theBenchmark
% 0.35/0.46  % SZS output start Proof for theBenchmark
% See solution above
% 0.35/0.46  % (75883)------------------------------
% 0.35/0.46  % (75883)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.46  % (75883)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.46  % (75883)CaDiCaL version: 2.1.3
% 0.35/0.46  % (75883)Termination reason: Refutation
% 0.35/0.46  % (75883)Time elapsed: 0.028 s
% 0.35/0.46  % (75883)Peak memory usage: 13 MB
% 0.35/0.46  % (75883)Instructions burned: 62 (million)
% 0.35/0.46  % (75872)Success in time 0.092 s
% 0.35/0.46  % Vampire exiting
%------------------------------------------------------------------------------