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Vampire-SAT---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SYO568^7 : TPTP v9.3.1. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT

% Computer : n014.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 08:50:26 AM UTC 2026

% Result   : Theorem 0.20s 0.28s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   41
%            Number of leaves      :   15
% Syntax   : Number of formulae    :  151 (  84 unt;   0 typ;   1 def)
%            Number of atoms       : 1169 ( 213 equ;   0 cnn)
%            Maximal formula atoms :   14 (   7 avg)
%            Number of connectives : 1690 ( 196   ~; 239   |;  13   &;1125   @)
%                                         (   1 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :  131 ( 131   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   60 (  56 usr;   8 con; 0-4 aty)
%                                         (  92  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  357 (   0 sgn  81   !;   0   ?; 357   :)

% 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,
    f: mu > $i > $o ).

thf(func_def_37,type,
    a: mu ).

thf(func_def_38,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_39,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_40,type,
    db1: 
      !>[X0: $tType] : X0 ).

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

thf(func_def_42,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_43,type,
    vNOT: $o > $o ).

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

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

thf(func_def_46,type,
    db3: 
      !>[X0: $tType] : X0 ).

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

thf(func_def_50,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_51,type,
    vAND: $o > $o > $o ).

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

thf(func_def_53,type,
    sK0: $i > mu ).

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

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

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

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

thf(f18,axiom,
    ( mreflexive
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i] : ( X0 @ X1 @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mreflexive) ).

thf(f21,axiom,
    ( mtransitive
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i,X2: $i,X3: $i] :
          ( ( ( X0 @ X2 @ X3 )
            & ( X0 @ X1 @ X2 ) )
         => ( X0 @ X1 @ X3 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL015^0.ax',mtransitive) ).

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

thf(f32,axiom,
    ( mbox_s4
    = ( ^ [X0: $i > $o,X1: $i] :
        ! [X2: $i] :
          ( ( X0 @ X2 )
          | ~ ( rel_s4 @ X1 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^5.ax',mbox_s4) ).

thf(f34,axiom,
    mreflexive @ rel_s4,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^5.ax',a1) ).

thf(f35,axiom,
    mtransitive @ rel_s4,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^5.ax',a2) ).

thf(f37,axiom,
    ! [X0: $i] : ( exists_in_world @ a @ X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_a_ax) ).

thf(f38,conjecture,
    ( mvalid
    @ ( mimplies
      @ ( mforall_ind
        @ ^ [X0: mu] : ( mor @ ( mbox_s4 @ ( f @ X0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ X0 ) ) ) ) )
      @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).

thf(f39,negated_conjecture,
    ~ ( mvalid
      @ ( mimplies
        @ ( mforall_ind
          @ ^ [X0: mu] : ( mor @ ( mbox_s4 @ ( f @ X0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ X0 ) ) ) ) )
        @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f38]) ).

thf(f41,plain,
    ( mnot
    = ( ^ [X0: $i > $o,X1: $i] :
          ~ ( X0 @ X1 ) ) ),
    inference(rectify,[],[f2]) ).

thf(f42,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(fool_elimination,[],[f41]) ).

thf(f43,plain,
    ( mor
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          | ( X0 @ X2 ) ) ) ),
    inference(rectify,[],[f3]) ).

thf(f44,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f43]) ).

thf(f50,plain,
    ( mand
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mnot @ ( mor @ ( mnot @ Y0 ) @ ( mnot @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f8]) ).

thf(f51,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(fool_elimination,[],[f9]) ).

thf(f53,plain,
    ( mequiv
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mand @ ( mimplies @ Y0 @ Y1 ) @ ( mimplies @ Y1 @ Y0 ) ) ) ),
    inference(fool_elimination,[],[f11]) ).

thf(f58,plain,
    ( mforall_ind
    = ( ^ [X0: mu > $i > $o,X1: $i] :
        ! [X2: mu] :
          ( ( exists_in_world @ X2 @ X1 )
         => ( X0 @ X2 @ X1 ) ) ) ),
    inference(rectify,[],[f15]) ).

thf(f59,plain,
    ( mforall_ind
    = ( ^ [Y0: mu > $i > $o,Y1: $i] :
          ( !! @ mu
          @ ^ [Y2: mu] :
              ( ( exists_in_world @ Y2 @ Y1 )
             => ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f58]) ).

thf(f64,plain,
    ( mreflexive
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i] : ( X0 @ X1 @ X1 ) ) ),
    inference(rectify,[],[f18]) ).

thf(f65,plain,
    ( mreflexive
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f64]) ).

thf(f70,plain,
    ( mtransitive
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i,X2: $i,X3: $i] :
          ( ( ( X0 @ X2 @ X3 )
            & ( X0 @ X1 @ X2 ) )
         => ( X0 @ X1 @ X3 ) ) ) ),
    inference(rectify,[],[f21]) ).

thf(f71,plain,
    ( mtransitive
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( ( Y0 @ Y3 @ Y2 )
                        & ( Y0 @ Y2 @ Y1 ) )
                     => ( Y0 @ Y3 @ Y1 ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f70]) ).

thf(f84,plain,
    ( mvalid
    = ( ^ [X0: $i > $o] :
        ! [X1: $i] : ( X0 @ X1 ) ) ),
    inference(rectify,[],[f28]) ).

thf(f85,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f84]) ).

thf(f92,plain,
    ( mbox_s4
    = ( ^ [X0: $i > $o,X1: $i] :
        ! [X2: $i] :
          ( ( X0 @ X2 )
          | ~ ( rel_s4 @ X1 @ X2 ) ) ) ),
    inference(rectify,[],[f32]) ).

thf(f93,plain,
    ( mbox_s4
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ( !! @ $i
          @ ^ [Y2: $i] :
              ( ~ ( rel_s4 @ Y1 @ Y2 )
              | ( Y0 @ Y2 ) ) ) ) ),
    inference(fool_elimination,[],[f92]) ).

thf(f95,plain,
    mreflexive @ rel_s4,
    inference(rectify,[],[f34]) ).

thf(f96,plain,
    ( ( mreflexive @ rel_s4 )
    = $true ),
    inference(fool_elimination,[],[f95]) ).

thf(f97,plain,
    mtransitive @ rel_s4,
    inference(rectify,[],[f35]) ).

thf(f98,plain,
    ( ( mtransitive @ rel_s4 )
    = $true ),
    inference(fool_elimination,[],[f97]) ).

thf(f101,plain,
    ! [X0: $i] : ( exists_in_world @ a @ X0 ),
    inference(rectify,[],[f37]) ).

thf(f102,plain,
    ! [X0: $i] :
      ( ( exists_in_world @ a @ X0 )
      = $true ),
    inference(fool_elimination,[],[f101]) ).

thf(f103,plain,
    ~ ( mvalid
      @ ( mimplies
        @ ( mforall_ind
          @ ^ [X0: mu] : ( mor @ ( mbox_s4 @ ( f @ X0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ X0 ) ) ) ) )
        @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ),
    inference(rectify,[],[f39]) ).

thf(f104,plain,
    ( $true
   != ( mvalid
      @ ( mimplies
        @ ( mforall_ind
          @ ^ [Y0: mu] : ( mor @ ( mbox_s4 @ ( f @ Y0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ Y0 ) ) ) ) )
        @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ) ),
    inference(fool_elimination,[],[f103]) ).

thf(f105,plain,
    ( $true
   != ( mvalid
      @ ( mimplies
        @ ( mforall_ind
          @ ^ [Y0: mu] : ( mor @ ( mbox_s4 @ ( f @ Y0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ Y0 ) ) ) ) )
        @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ) ),
    inference(flattening,[],[f104]) ).

thf(f110,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(cnf_transformation,[],[f42]) ).

thf(f111,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f44]) ).

thf(f116,plain,
    ( mand
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mnot @ ( mor @ ( mnot @ Y0 ) @ ( mnot @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f50]) ).

thf(f117,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(cnf_transformation,[],[f51]) ).

thf(f119,plain,
    ( mequiv
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mand @ ( mimplies @ Y0 @ Y1 ) @ ( mimplies @ Y1 @ Y0 ) ) ) ),
    inference(cnf_transformation,[],[f53]) ).

thf(f123,plain,
    ( mforall_ind
    = ( ^ [Y0: mu > $i > $o,Y1: $i] :
          ( !! @ mu
          @ ^ [Y2: mu] :
              ( ( exists_in_world @ Y2 @ Y1 )
             => ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f59]) ).

thf(f126,plain,
    ( mreflexive
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f65]) ).

thf(f129,plain,
    ( mtransitive
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( ( Y0 @ Y3 @ Y2 )
                        & ( Y0 @ Y2 @ Y1 ) )
                     => ( Y0 @ Y3 @ Y1 ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f71]) ).

thf(f136,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f85]) ).

thf(f140,plain,
    ( mbox_s4
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ( !! @ $i
          @ ^ [Y2: $i] :
              ( ~ ( rel_s4 @ Y1 @ Y2 )
              | ( Y0 @ Y2 ) ) ) ) ),
    inference(cnf_transformation,[],[f93]) ).

thf(f142,plain,
    ( ( mreflexive @ rel_s4 )
    = $true ),
    inference(cnf_transformation,[],[f96]) ).

thf(f143,plain,
    ( ( mtransitive @ rel_s4 )
    = $true ),
    inference(cnf_transformation,[],[f98]) ).

thf(f145,plain,
    ! [X0: $i] :
      ( ( exists_in_world @ a @ X0 )
      = $true ),
    inference(cnf_transformation,[],[f102]) ).

thf(f146,plain,
    ( $true
   != ( mvalid
      @ ( mimplies
        @ ( mforall_ind
          @ ^ [Y0: mu] : ( mor @ ( mbox_s4 @ ( f @ Y0 ) ) @ ( mbox_s4 @ ( mnot @ ( f @ Y0 ) ) ) ) )
        @ ( mbox_s4 @ ( mequiv @ ( mbox_s4 @ ( f @ a ) ) @ ( f @ a ) ) ) ) ) ),
    inference(cnf_transformation,[],[f105]) ).

thf(f150,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,[],[f116,f110,f111,f110,f110]) ).

thf(f151,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,[],[f117,f111,f110]) ).

thf(f153,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,[],[f119,f150,f151,f151]) ).

thf(f159,plain,
    ( $true
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 @ Y1 ) )
      @ rel_s4 ) ),
    inference(definition_unfolding,[],[f142,f126]) ).

thf(f160,plain,
    ( $true
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( ( Y0 @ Y3 @ Y2 )
                        & ( Y0 @ Y2 @ Y1 ) )
                     => ( Y0 @ Y3 @ Y1 ) ) ) ) )
      @ rel_s4 ) ),
    inference(definition_unfolding,[],[f143,f129]) ).

thf(f161,plain,
    ( $true
   != ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [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 )
        @ ( ^ [Y0: mu > $i > $o,Y1: $i] :
              ( !! @ mu
              @ ^ [Y2: mu] :
                  ( ( exists_in_world @ Y2 @ Y1 )
                 => ( Y0 @ Y2 @ Y1 ) ) )
          @ ^ [Y0: mu] :
              ( ^ [Y1: $i > $o,Y2: $i > $o,Y3: $i] :
                  ( ( Y1 @ Y3 )
                  | ( Y2 @ Y3 ) )
              @ ( ^ [Y1: $i > $o,Y2: $i] :
                    ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ~ ( rel_s4 @ Y2 @ Y3 )
                        | ( Y1 @ Y3 ) ) )
                @ ( f @ Y0 ) )
              @ ( ^ [Y1: $i > $o,Y2: $i] :
                    ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ~ ( rel_s4 @ Y2 @ Y3 )
                        | ( Y1 @ Y3 ) ) )
                @ ( ^ [Y1: $i > $o,Y2: $i] :
                      ~ ( Y1 @ Y2 )
                  @ ( f @ Y0 ) ) ) ) )
        @ ( ^ [Y0: $i > $o,Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ~ ( rel_s4 @ Y1 @ Y2 )
                  | ( Y0 @ Y2 ) ) )
          @ ( ^ [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 ) )
            @ ( ^ [Y0: $i > $o,Y1: $i] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ~ ( rel_s4 @ Y1 @ Y2 )
                      | ( Y0 @ Y2 ) ) )
              @ ( f @ a ) )
            @ ( f @ a ) ) ) ) ) ),
    inference(definition_unfolding,[],[f146,f136,f151,f123,f111,f140,f140,f110,f140,f153,f140]) ).

thf(f162,plain,
    ( $true
   != ( !! @ $i
      @ ^ [Y0: $i] :
          ( ~ ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ Y0 )
                 => ( ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y2 )
                          | ( f @ Y1 @ Y2 ) ) )
                    | ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y2 )
                          | ~ ( f @ Y1 @ Y2 ) ) ) ) ) )
          | ( !! @ $i
            @ ^ [Y1: $i] :
                ( ~ ( rel_s4 @ Y0 @ Y1 )
                | ~ ( ~ ( ~ ( !! @ $i
                            @ ^ [Y2: $i] :
                                ( ~ ( rel_s4 @ Y1 @ Y2 )
                                | ( f @ a @ Y2 ) ) )
                        | ( f @ a @ Y1 ) )
                    | ~ ( ~ ( f @ a @ Y1 )
                        | ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ~ ( rel_s4 @ Y1 @ Y2 )
                              | ( f @ a @ Y2 ) ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f161]) ).

thf(f163,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( ~ ( !! @ mu
              @ ^ [Y1: mu] :
                  ( ( exists_in_world @ Y1 @ Y0 )
                 => ( ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y2 )
                          | ( f @ Y1 @ Y2 ) ) )
                    | ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y2 )
                          | ~ ( f @ Y1 @ Y2 ) ) ) ) ) )
          | ( !! @ $i
            @ ^ [Y1: $i] :
                ( ~ ( rel_s4 @ Y0 @ Y1 )
                | ~ ( ~ ( ~ ( !! @ $i
                            @ ^ [Y2: $i] :
                                ( ~ ( rel_s4 @ Y1 @ Y2 )
                                | ( f @ a @ Y2 ) ) )
                        | ( f @ a @ Y1 ) )
                    | ~ ( ~ ( f @ a @ Y1 )
                        | ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ~ ( rel_s4 @ Y1 @ Y2 )
                              | ( f @ a @ Y2 ) ) ) ) ) ) ) )
      @ sK1 ) ),
    inference(sigma_proxy_clausification,[],[f162]) ).

thf(f164,plain,
    ( $false
    = ( ~ ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ sK1 )
             => ( ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( rel_s4 @ sK1 @ Y1 )
                      | ( f @ Y0 @ Y1 ) ) )
                | ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( rel_s4 @ sK1 @ Y1 )
                      | ~ ( f @ Y0 @ Y1 ) ) ) ) ) )
      | ( !! @ $i
        @ ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK1 @ Y0 )
            | ~ ( ~ ( ~ ( !! @ $i
                        @ ^ [Y1: $i] :
                            ( ~ ( rel_s4 @ Y0 @ Y1 )
                            | ( f @ a @ Y1 ) ) )
                    | ( f @ a @ Y0 ) )
                | ~ ( ~ ( f @ a @ Y0 )
                    | ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y1 )
                          | ( f @ a @ Y1 ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f163]) ).

thf(f165,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ~ ( rel_s4 @ sK1 @ Y0 )
          | ~ ( ~ ( ~ ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y1 )
                          | ( f @ a @ Y1 ) ) )
                  | ( f @ a @ Y0 ) )
              | ~ ( ~ ( f @ a @ Y0 )
                  | ( !! @ $i
                    @ ^ [Y1: $i] :
                        ( ~ ( rel_s4 @ Y0 @ Y1 )
                        | ( f @ a @ Y1 ) ) ) ) ) ) ) ),
    inference(or_proxy_clausification,[],[f164]) ).

thf(f166,plain,
    ( $false
    = ( ~ ( !! @ mu
          @ ^ [Y0: mu] :
              ( ( exists_in_world @ Y0 @ sK1 )
             => ( ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( rel_s4 @ sK1 @ Y1 )
                      | ( f @ Y0 @ Y1 ) ) )
                | ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( rel_s4 @ sK1 @ Y1 )
                      | ~ ( f @ Y0 @ Y1 ) ) ) ) ) ) ) ),
    inference(or_proxy_clausification,[],[f164]) ).

thf(f167,plain,
    ( $true
    = ( !! @ mu
      @ ^ [Y0: mu] :
          ( ( exists_in_world @ Y0 @ sK1 )
         => ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ~ ( rel_s4 @ sK1 @ Y1 )
                  | ( f @ Y0 @ Y1 ) ) )
            | ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ~ ( rel_s4 @ sK1 @ Y1 )
                  | ~ ( f @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(not_proxy_clausification,[],[f166]) ).

thf(f168,plain,
    ! [X1: mu] :
      ( $true
      = ( ^ [Y0: mu] :
            ( ( exists_in_world @ Y0 @ sK1 )
           => ( ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ~ ( rel_s4 @ sK1 @ Y1 )
                    | ( f @ Y0 @ Y1 ) ) )
              | ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ~ ( rel_s4 @ sK1 @ Y1 )
                    | ~ ( f @ Y0 @ Y1 ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f167]) ).

thf(f169,plain,
    ! [X1: mu] :
      ( $true
      = ( ( exists_in_world @ X1 @ sK1 )
       => ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK1 @ Y0 )
                | ( f @ X1 @ Y0 ) ) )
          | ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK1 @ Y0 )
                | ~ ( f @ X1 @ Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f168]) ).

thf(f170,plain,
    ! [X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK1 @ Y0 )
                | ( f @ X1 @ Y0 ) ) )
          | ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK1 @ Y0 )
                | ~ ( f @ X1 @ Y0 ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f169]) ).

thf(f171,plain,
    ! [X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ~ ( f @ X1 @ Y0 ) ) ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ( f @ X1 @ Y0 ) ) ) ) ),
    inference(or_proxy_clausification,[],[f170]) ).

thf(f172,plain,
    ! [X2: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ~ ( f @ X1 @ Y0 ) )
          @ X2 ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ( f @ X1 @ Y0 ) ) ) ) ),
    inference(pi_proxy_clausification,[],[f171]) ).

thf(f173,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ~ ( f @ X1 @ Y0 ) )
          @ X2 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK1 @ Y0 )
              | ( f @ X1 @ Y0 ) )
          @ X3 ) ) ),
    inference(pi_proxy_clausification,[],[f172]) ).

thf(f174,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X2 )
          | ~ ( f @ X1 @ X2 ) ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X3 )
          | ( f @ X1 @ X3 ) ) ) ),
    inference(beta-eta_normalization,[],[f173]) ).

thf(f175,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $true
        = ( ~ ( f @ X1 @ X2 ) ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X3 )
          | ( f @ X1 @ X3 ) ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X2 ) ) ) ),
    inference(or_proxy_clausification,[],[f174]) ).

thf(f176,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $false
        = ( f @ X1 @ X2 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X3 )
          | ( f @ X1 @ X3 ) ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X2 ) ) ) ),
    inference(not_proxy_clausification,[],[f175]) ).

thf(f177,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $false
        = ( f @ X1 @ X2 ) )
      | ( $true
        = ( f @ X1 @ X3 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X2 ) ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X3 ) ) ) ),
    inference(or_proxy_clausification,[],[f176]) ).

thf(f178,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $false
        = ( f @ X1 @ X2 ) )
      | ( $true
        = ( f @ X1 @ X3 ) )
      | ( $false
        = ( rel_s4 @ sK1 @ X2 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK1 @ X3 ) ) ) ),
    inference(not_proxy_clausification,[],[f177]) ).

thf(f179,plain,
    ! [X2: $i,X3: $i,X1: mu] :
      ( ( $true
        = ( f @ X1 @ X3 ) )
      | ( $false
        = ( f @ X1 @ X2 ) )
      | ( $false
        = ( exists_in_world @ X1 @ sK1 ) )
      | ( $false
        = ( rel_s4 @ sK1 @ X2 ) )
      | ( $false
        = ( rel_s4 @ sK1 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f178]) ).

thf(f180,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( ~ ( rel_s4 @ sK1 @ Y0 )
          | ~ ( ~ ( ~ ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( ~ ( rel_s4 @ Y0 @ Y1 )
                          | ( f @ a @ Y1 ) ) )
                  | ( f @ a @ Y0 ) )
              | ~ ( ~ ( f @ a @ Y0 )
                  | ( !! @ $i
                    @ ^ [Y1: $i] :
                        ( ~ ( rel_s4 @ Y0 @ Y1 )
                        | ( f @ a @ Y1 ) ) ) ) ) )
      @ sK2 ) ),
    inference(sigma_proxy_clausification,[],[f165]) ).

thf(f181,plain,
    ( $false
    = ( ~ ( rel_s4 @ sK1 @ sK2 )
      | ~ ( ~ ( ~ ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( ~ ( rel_s4 @ sK2 @ Y0 )
                      | ( f @ a @ Y0 ) ) )
              | ( f @ a @ sK2 ) )
          | ~ ( ~ ( f @ a @ sK2 )
              | ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f180]) ).

thf(f182,plain,
    ( $false
    = ( ~ ( ~ ( ~ ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( ~ ( rel_s4 @ sK2 @ Y0 )
                      | ( f @ a @ Y0 ) ) )
              | ( f @ a @ sK2 ) )
          | ~ ( ~ ( f @ a @ sK2 )
              | ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) ) ) ) ) ),
    inference(or_proxy_clausification,[],[f181]) ).

thf(f183,plain,
    ( $false
    = ( ~ ( rel_s4 @ sK1 @ sK2 ) ) ),
    inference(or_proxy_clausification,[],[f181]) ).

thf(f184,plain,
    ( $true
    = ( rel_s4 @ sK1 @ sK2 ) ),
    inference(not_proxy_clausification,[],[f183]) ).

thf(f185,plain,
    ( $true
    = ( ~ ( ~ ( !! @ $i
              @ ^ [Y0: $i] :
                  ( ~ ( rel_s4 @ sK2 @ Y0 )
                  | ( f @ a @ Y0 ) ) )
          | ( f @ a @ sK2 ) )
      | ~ ( ~ ( f @ a @ sK2 )
          | ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK2 @ Y0 )
                | ( f @ a @ Y0 ) ) ) ) ) ),
    inference(not_proxy_clausification,[],[f182]) ).

thf(f186,plain,
    ( ( $true
      = ( ~ ( ~ ( f @ a @ sK2 )
            | ( !! @ $i
              @ ^ [Y0: $i] :
                  ( ~ ( rel_s4 @ sK2 @ Y0 )
                  | ( f @ a @ Y0 ) ) ) ) ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(or_proxy_clausification,[],[f185]) ).

thf(f187,plain,
    ( ( $false
      = ( ~ ( f @ a @ sK2 )
        | ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK2 @ Y0 )
              | ( f @ a @ Y0 ) ) ) ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(not_proxy_clausification,[],[f186]) ).

thf(f188,plain,
    ( ( $false
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK2 @ Y0 )
            | ( f @ a @ Y0 ) ) ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(or_proxy_clausification,[],[f187]) ).

thf(f189,plain,
    ( ( $false
      = ( ~ ( f @ a @ sK2 ) ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(or_proxy_clausification,[],[f187]) ).

thf(f190,plain,
    ( ( $true
      = ( f @ a @ sK2 ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(not_proxy_clausification,[],[f189]) ).

thf(f191,plain,
    ( ( $true
      = ( f @ a @ sK2 ) )
    | ( $false
      = ( ~ ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK2 @ Y0 )
                | ( f @ a @ Y0 ) ) )
        | ( f @ a @ sK2 ) ) ) ),
    inference(not_proxy_clausification,[],[f190]) ).

thf(f193,plain,
    ( ( $true
      = ( f @ a @ sK2 ) )
    | ( $false
      = ( ~ ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK2 @ Y0 )
                | ( f @ a @ Y0 ) ) ) ) ) ),
    inference(or_proxy_clausification,[],[f191]) ).

thf(f194,plain,
    ( ( $true
      = ( f @ a @ sK2 ) )
    | ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK2 @ Y0 )
            | ( f @ a @ Y0 ) ) ) ) ),
    inference(not_proxy_clausification,[],[f193]) ).

thf(f195,plain,
    ! [X1: $i] :
      ( ( $true
        = ( f @ a @ sK2 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( rel_s4 @ sK2 @ Y0 )
              | ( f @ a @ Y0 ) )
          @ X1 ) ) ),
    inference(pi_proxy_clausification,[],[f194]) ).

thf(f196,plain,
    ! [X1: $i] :
      ( ( $true
        = ( f @ a @ sK2 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK2 @ X1 )
          | ( f @ a @ X1 ) ) ) ),
    inference(beta-eta_normalization,[],[f195]) ).

thf(f197,plain,
    ! [X1: $i] :
      ( ( $true
        = ( f @ a @ sK2 ) )
      | ( $true
        = ( f @ a @ X1 ) )
      | ( $true
        = ( ~ ( rel_s4 @ sK2 @ X1 ) ) ) ),
    inference(or_proxy_clausification,[],[f196]) ).

thf(f198,plain,
    ! [X1: $i] :
      ( ( $true
        = ( f @ a @ sK2 ) )
      | ( $true
        = ( f @ a @ X1 ) )
      | ( $false
        = ( rel_s4 @ sK2 @ X1 ) ) ),
    inference(not_proxy_clausification,[],[f197]) ).

thf(f199,plain,
    ( ( $false
      = ( ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK2 @ Y0 )
            | ( f @ a @ Y0 ) )
        @ sK3 ) )
    | ( $true
      = ( ~ ( ~ ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ~ ( rel_s4 @ sK2 @ Y0 )
                    | ( f @ a @ Y0 ) ) )
            | ( f @ a @ sK2 ) ) ) ) ),
    inference(sigma_proxy_clausification,[],[f188]) ).

thf(f200,plain,
    ( ( $false
      = ( ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK2 @ Y0 )
            | ( f @ a @ Y0 ) )
        @ sK3 ) )
    | ( $false
      = ( ~ ( !! @ $i
            @ ^ [Y0: $i] :
                ( ~ ( rel_s4 @ sK2 @ Y0 )
                | ( f @ a @ Y0 ) ) )
        | ( f @ a @ sK2 ) ) ) ),
    inference(not_proxy_clausification,[],[f199]) ).

thf(f201,plain,
    ( ( $false
      = ( ^ [Y0: $i] :
            ( ~ ( rel_s4 @ sK2 @ Y0 )
            | ( f @ a @ Y0 ) )
        @ sK3 ) )
    | ( $false
      = ( f @ a @ sK2 ) ) ),
    inference(or_proxy_clausification,[],[f200]) ).

thf(f213,plain,
    ( ( $false
      = ( ~ ( rel_s4 @ sK2 @ sK3 )
        | ( f @ a @ sK3 ) ) )
    | ( $false
      = ( f @ a @ sK2 ) ) ),
    inference(beta-eta_normalization,[],[f201]) ).

thf(f214,plain,
    ( ( $false
      = ( f @ a @ sK3 ) )
    | ( $false
      = ( f @ a @ sK2 ) ) ),
    inference(or_proxy_clausification,[],[f213]) ).

thf(f215,plain,
    ( ( $false
      = ( ~ ( rel_s4 @ sK2 @ sK3 ) ) )
    | ( $false
      = ( f @ a @ sK2 ) ) ),
    inference(or_proxy_clausification,[],[f213]) ).

thf(f216,plain,
    ( ( $true
      = ( rel_s4 @ sK2 @ sK3 ) )
    | ( $false
      = ( f @ a @ sK2 ) ) ),
    inference(not_proxy_clausification,[],[f215]) ).

thf(f217,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( ( rel_s4 @ Y2 @ Y1 )
                    & ( rel_s4 @ Y1 @ Y0 ) )
                 => ( rel_s4 @ Y2 @ Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f160]) ).

thf(f218,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( ( rel_s4 @ Y2 @ Y1 )
                      & ( rel_s4 @ Y1 @ Y0 ) )
                   => ( rel_s4 @ Y2 @ Y0 ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f217]) ).

thf(f219,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( ( rel_s4 @ Y1 @ Y0 )
                  & ( rel_s4 @ Y0 @ X1 ) )
               => ( rel_s4 @ Y1 @ X1 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f218]) ).

thf(f220,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( ( rel_s4 @ Y1 @ Y0 )
                  & ( rel_s4 @ Y0 @ X1 ) )
               => ( rel_s4 @ Y1 @ X1 ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f219]) ).

thf(f221,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( ( rel_s4 @ Y0 @ X2 )
              & ( rel_s4 @ X2 @ X1 ) )
           => ( rel_s4 @ Y0 @ X1 ) ) ) ),
    inference(beta-eta_normalization,[],[f220]) ).

thf(f222,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( ( rel_s4 @ Y0 @ X2 )
              & ( rel_s4 @ X2 @ X1 ) )
           => ( rel_s4 @ Y0 @ X1 ) )
        @ X3 ) ),
    inference(pi_proxy_clausification,[],[f221]) ).

thf(f223,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( ( rel_s4 @ X3 @ X2 )
          & ( rel_s4 @ X2 @ X1 ) )
       => ( rel_s4 @ X3 @ X1 ) ) ),
    inference(beta-eta_normalization,[],[f222]) ).

thf(f224,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( ( rel_s4 @ X3 @ X2 )
          & ( rel_s4 @ X2 @ X1 ) ) )
      | ( $true
        = ( rel_s4 @ X3 @ X1 ) ) ),
    inference(imp_proxy_clausification,[],[f223]) ).

thf(f225,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $false
        = ( rel_s4 @ X2 @ X1 ) )
      | ( $true
        = ( rel_s4 @ X3 @ X1 ) )
      | ( $false
        = ( rel_s4 @ X3 @ X2 ) ) ),
    inference(and_proxy_clausification,[],[f224]) ).

thf(f226,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] : ( rel_s4 @ Y0 @ Y0 ) ) ),
    inference(beta-eta_normalization,[],[f159]) ).

thf(f227,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] : ( rel_s4 @ Y0 @ Y0 )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f226]) ).

thf(f228,plain,
    ! [X1: $i] :
      ( $true
      = ( rel_s4 @ X1 @ X1 ) ),
    inference(beta-eta_normalization,[],[f227]) ).

thf(f230,definition,
    ( spl4_1
  <=> ( $false
      = ( f @ a @ sK2 ) ) ),
    introduced(definition,[new_symbols(definition,[spl4_1])],[avatar_definition]) ).

thf(f231,plain,
    ( ( $false
     != ( f @ a @ sK2 ) )
    | spl4_1 ),
    inference(avatar_component_clause,[],[f230]) ).

thf(f232,plain,
    ( ( $false
      = ( f @ a @ sK2 ) )
    | ~ spl4_1 ),
    inference(avatar_component_clause,[],[f230]) ).

thf(f238,plain,
    ( ! [X1: $i] :
        ( ( $true = $false )
        | ( $true
          = ( f @ a @ X1 ) )
        | ( $false
          = ( rel_s4 @ sK2 @ X1 ) ) )
    | ~ spl4_1 ),
    inference(forward_demodulation,[],[f198,f232]) ).

thf(f239,plain,
    ( ! [X1: $i] :
        ( ( $true
          = ( f @ a @ X1 ) )
        | ( $false
          = ( rel_s4 @ sK2 @ X1 ) ) )
    | ~ spl4_1 ),
    inference(trivial_inequality_removal,[],[f238]) ).

thf(f246,plain,
    ( ( $true = $false )
    | ( $false
      = ( rel_s4 @ sK2 @ sK2 ) )
    | ~ spl4_1 ),
    inference(constrained_superposition,[],[f239,f232]) ).

thf(f249,plain,
    ( ( $false
      = ( rel_s4 @ sK2 @ sK2 ) )
    | ~ spl4_1 ),
    inference(trivial_inequality_removal,[],[f246]) ).

thf(f417,plain,
    ( ( $true = $false )
    | ~ spl4_1 ),
    inference(forward_demodulation,[],[f249,f228]) ).

thf(f418,plain,
    ( $false
    | ~ spl4_1 ),
    inference(trivial_inequality_removal,[],[f417]) ).

thf(f419,plain,
    ~ spl4_1,
    inference(avatar_contradiction_clause,[],[f418]) ).

thf(f442,plain,
    ( ! [X0: $i] :
        ( ( $false != $false )
        | ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( exists_in_world @ a @ sK1 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ sK2 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(constrained_superposition,[],[f231,f179]) ).

thf(f444,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( exists_in_world @ a @ sK1 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ sK2 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f442]) ).

thf(f445,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ sK2 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(forward_demodulation,[],[f444,f145]) ).

thf(f446,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ sK2 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f445]) ).

thf(f447,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(forward_demodulation,[],[f446,f184]) ).

thf(f448,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( f @ a @ X0 ) )
        | ( $false
          = ( rel_s4 @ sK1 @ X0 ) ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f447]) ).

thf(f462,plain,
    ( ( $false
      = ( f @ a @ sK3 ) )
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f214,f231]) ).

thf(f473,plain,
    ( ( $true
      = ( rel_s4 @ sK2 @ sK3 ) )
    | spl4_1 ),
    inference(forward_subsumption_resolution,[],[f216,f231]) ).

thf(f478,plain,
    ( ( $true = $false )
    | ( $false
      = ( rel_s4 @ sK1 @ sK3 ) )
    | spl4_1 ),
    inference(constrained_superposition,[],[f462,f448]) ).

thf(f479,plain,
    ( ( $false
      = ( rel_s4 @ sK1 @ sK3 ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f478]) ).

thf(f553,plain,
    ! [X0: $i] :
      ( ( $true = $false )
      | ( $true
        = ( rel_s4 @ X0 @ sK2 ) )
      | ( $false
        = ( rel_s4 @ X0 @ sK1 ) ) ),
    inference(constrained_superposition,[],[f184,f225]) ).

thf(f554,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $true
          = ( rel_s4 @ X0 @ sK3 ) )
        | ( $false
          = ( rel_s4 @ X0 @ sK2 ) ) )
    | spl4_1 ),
    inference(constrained_superposition,[],[f473,f225]) ).

thf(f561,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( rel_s4 @ X0 @ sK3 ) )
        | ( $false
          = ( rel_s4 @ X0 @ sK2 ) ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f554]) ).

thf(f562,plain,
    ! [X0: $i] :
      ( ( $true
        = ( rel_s4 @ X0 @ sK2 ) )
      | ( $false
        = ( rel_s4 @ X0 @ sK1 ) ) ),
    inference(trivial_inequality_removal,[],[f553]) ).

thf(f671,plain,
    ( ( $true = $false )
    | ( $false
      = ( rel_s4 @ sK1 @ sK2 ) )
    | spl4_1 ),
    inference(constrained_superposition,[],[f479,f561]) ).

thf(f672,plain,
    ( ( $false
      = ( rel_s4 @ sK1 @ sK2 ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f671]) ).

thf(f717,plain,
    ( ( $true = $false )
    | ( $false
      = ( rel_s4 @ sK1 @ sK1 ) )
    | spl4_1 ),
    inference(constrained_superposition,[],[f672,f562]) ).

thf(f725,plain,
    ( ( $false
      = ( rel_s4 @ sK1 @ sK1 ) )
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f717]) ).

thf(f733,plain,
    ( ( $true = $false )
    | spl4_1 ),
    inference(forward_demodulation,[],[f725,f228]) ).

thf(f734,plain,
    ( $false
    | spl4_1 ),
    inference(trivial_inequality_removal,[],[f733]) ).

thf(f735,plain,
    spl4_1,
    inference(avatar_contradiction_clause,[],[f734]) ).

cnf(s71,plain,
    ~ spl4_1,
    inference(sat_conversion,[],[f419]) ).

cnf(s191,plain,
    spl4_1,
    inference(sat_conversion,[],[f735]) ).

cnf(s193,plain,
    $false,
    inference(rat,[],[s71,s191]) ).

thf(f736,plain,
    $false,
    inference(avatar_sat_refutation,[],[s193]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SYO568^7 : TPTP v9.3.1. Released v5.5.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.18  % Computer : n014.cluster.edu
% 0.09/0.18  % Model    : x86_64 x86_64
% 0.09/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.18  % Memory   : 8046.5625MB
% 0.09/0.18  % OS       : Linux 6.8.0-71-generic
% 0.09/0.18  % CPULimit : 300
% 0.09/0.18  % WCLimit  : 300
% 0.09/0.18  % DateTime : Tue Sep 29 17:15:15 UTC 2026
% 0.09/0.18  % CPUTime  : 
% 0.09/0.18  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.21  Running first-order model finding
% 0.09/0.21  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.28  % (2951572)Will run a generic schedule for satisfiability detection.
% 0.20/0.28  % (2951592)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2495497594:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.20/0.28  % (2951588)% WARNING: option uhcvi not known.
% 0.20/0.28  % (2951587)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=112923943_2999 on theBenchmark for (2999ds/0Mi)
% 0.20/0.28  % (2951591)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1575057010:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.20/0.28  % (2951588)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=3323064254:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.20/0.28  % (2951590)dis+10_1_sil=32000:sp=arity:random_seed=727700103:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.20/0.28  % (2951593)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2422702662:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.20/0.28  % (2951589)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3010994908:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.28  % (2951591)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.20/0.28  % (2951588)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.20/0.28  % Exception at run slice level
% 0.20/0.28  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.20/0.28  % (2951588)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.20/0.28  % (2951589) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2951572-2951589"...
% 0.20/0.28  % (2951606)fmb+10_1_fmbas=predicate:sil=64000:sas=cadical:random_seed=2914860143:i=714:nm=2_2999 on theBenchmark for (2999ds/714Mi)
% 0.20/0.28  % (2951592)Instruction limit reached! 
% 0.20/0.28  % (2951592)------------------------------
% 0.20/0.28  % (2951592)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.28  % (2951592)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.28  % (2951592)CaDiCaL version: 2.1.3
% 0.20/0.28  % (2951592)Termination reason: Instruction limit
% 0.20/0.28  % (2951592)Termination phase: Saturation
% 0.20/0.28  % (2951592)Time elapsed: 0.032 s
% 0.20/0.28  % (2951592)Peak memory usage: 12 MB
% 0.20/0.28  % (2951592)Instructions burned: 131 (million)
% 0.20/0.28  % Exception at run slice level
% 0.20/0.28  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.20/0.28  % (2951589)...printing done.
% 0.20/0.28  % (2951591) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-2951572-2951591"...
% 0.20/0.28  % (2951589)Refutation found. Thanks to Tanya!
% 0.20/0.28  % SZS status Theorem for theBenchmark
% 0.20/0.28  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.29  % (2951589)------------------------------
% 0.20/0.29  % (2951589)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.29  % (2951589)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.29  % (2951589)CaDiCaL version: 2.1.3
% 0.20/0.29  % (2951589)Termination reason: Refutation
% 0.20/0.29  % (2951589)Time elapsed: 0.026 s
% 0.20/0.29  % (2951589)Peak memory usage: 13 MB
% 0.20/0.29  % (2951589)Instructions burned: 48 (million)
% 0.20/0.29  % (2951572)Success in time 0.064 s
% 0.20/0.29  % Vampire exiting
%------------------------------------------------------------------------------