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

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : LCL710^1 : TPTP v9.3.1. Bugfixed v5.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT

% Computer : n017.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 08:15:07 AM UTC 2026

% Result   : Theorem 0.35s 0.28s
% Output   : Refutation 0.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   77 (  51 unt;   0 typ;   0 def)
%            Number of atoms       :  422 ( 115 equ;   1 cnn)
%            Maximal formula atoms :    6 (   5 avg)
%            Number of connectives :  675 (  89   ~;  78   |;   2   &; 450   @)
%                                         (   0 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :  146 ( 146   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   54 (  49 usr;   6 con; 0-4 aty)
%                                         (  42  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  228 ( 157   ^;  70   !;   1   ?; 228   :)

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

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

thf(func_def_0,type,
    meq_ind: 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,
    mand: ( $i > $o ) > ( $i > $o ) > $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(func_def_29,type,
    minvalid: ( $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,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_33,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_34,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_35,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_36,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_37,type,
    vNOT: $o > $o ).

thf(func_def_38,type,
    vOR: $o > $o > $o ).

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

thf(func_def_42,type,
    db3: 
      !>[X0: $tType] : X0 ).

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

thf(func_def_44,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_45,type,
    vAND: $o > $o > $o ).

thf(func_def_46,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_47,type,
    sK0: $i > $i > $o ).

thf(func_def_48,type,
    sK1: $i > ( $i > $o ) > $i ).

thf(f3,axiom,
    ( mnot
    = ( ^ [X0: $i > $o,X1: $i] :
          ~ ( X0 @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mnot) ).

thf(f4,axiom,
    ( mor
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          | ( X0 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mor) ).

thf(f6,axiom,
    ( mimplies
    = ( ^ [X0: $i > $o,X1: $i > $o] : ( mor @ ( mnot @ X0 ) @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mimplies) ).

thf(f11,axiom,
    ( mforall_prop
    = ( ^ [X0: ( $i > $o ) > $i > $o,X1: $i] :
        ! [X2: $i > $o] : ( X0 @ X2 @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mforall_prop) ).

thf(f16,axiom,
    ( mbox
    = ( ^ [X0: $i > $i > $o,X1: $i > $o,X2: $i] :
        ! [X3: $i] :
          ( ( X1 @ X3 )
          | ~ ( X0 @ X2 @ X3 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mbox) ).

thf(f17,axiom,
    ( mdia
    = ( ^ [X0: $i > $i > $o,X1: $i > $o] : ( mnot @ ( mbox @ X0 @ ( mnot @ X1 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mdia) ).

thf(f19,axiom,
    ( msymmetric
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i,X2: $i] :
          ( ( X0 @ X1 @ X2 )
         => ( X0 @ X2 @ X1 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',msymmetric) ).

thf(f28,axiom,
    ( mvalid
    = ( ^ [X0: $i > $o] :
        ! [X1: $i] : ( X0 @ X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL013^0.ax',mvalid) ).

thf(f32,conjecture,
    ! [X0: $i > $i > $o] :
      ( ( mvalid
        @ ( mforall_prop
          @ ^ [X1: $i > $o] : ( mimplies @ X1 @ ( mbox @ X0 @ ( mdia @ X0 @ X1 ) ) ) ) )
     => ( msymmetric @ X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conj) ).

thf(f33,negated_conjecture,
    ~ ! [X0: $i > $i > $o] :
        ( ( mvalid
          @ ( mforall_prop
            @ ^ [X1: $i > $o] : ( mimplies @ X1 @ ( mbox @ X0 @ ( mdia @ X0 @ X1 ) ) ) ) )
       => ( msymmetric @ X0 ) ),
    inference(negated_conjecture,[status(cth)],[f32]) ).

thf(f36,plain,
    ( mnot
    = ( ^ [X0: $i > $o,X1: $i] :
          ~ ( X0 @ X1 ) ) ),
    inference(rectify,[],[f3]) ).

thf(f37,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(fool_elimination,[],[f36]) ).

thf(f38,plain,
    ( mor
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          | ( X0 @ X2 ) ) ) ),
    inference(rectify,[],[f4]) ).

thf(f39,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f38]) ).

thf(f41,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(fool_elimination,[],[f6]) ).

thf(f47,plain,
    ( mforall_prop
    = ( ^ [X0: ( $i > $o ) > $i > $o,X1: $i] :
        ! [X2: $i > $o] : ( X0 @ X2 @ X1 ) ) ),
    inference(rectify,[],[f11]) ).

thf(f48,plain,
    ( mforall_prop
    = ( ^ [Y0: ( $i > $o ) > $i > $o,Y1: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y2: $i > $o] : ( Y0 @ Y2 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f47]) ).

thf(f54,plain,
    ( mbox
    = ( ^ [X0: $i > $i > $o,X1: $i > $o,X2: $i] :
        ! [X3: $i] :
          ( ( X1 @ X3 )
          | ~ ( X0 @ X2 @ X3 ) ) ) ),
    inference(rectify,[],[f16]) ).

thf(f55,plain,
    ( mbox
    = ( ^ [Y0: $i > $i > $o,Y1: $i > $o,Y2: $i] :
          ( !! @ $i
          @ ^ [Y3: $i] :
              ( ~ ( Y0 @ Y2 @ Y3 )
              | ( Y1 @ Y3 ) ) ) ) ),
    inference(fool_elimination,[],[f54]) ).

thf(f56,plain,
    ( mdia
    = ( ^ [Y0: $i > $i > $o,Y1: $i > $o] : ( mnot @ ( mbox @ Y0 @ ( mnot @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f17]) ).

thf(f59,plain,
    ( msymmetric
    = ( ^ [X0: $i > $i > $o] :
        ! [X1: $i,X2: $i] :
          ( ( X0 @ X1 @ X2 )
         => ( X0 @ X2 @ X1 ) ) ) ),
    inference(rectify,[],[f19]) ).

thf(f60,plain,
    ( msymmetric
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( Y0 @ Y2 @ Y1 )
                 => ( Y0 @ Y1 @ Y2 ) ) ) ) ) ),
    inference(fool_elimination,[],[f59]) ).

thf(f77,plain,
    ( mvalid
    = ( ^ [X0: $i > $o] :
        ! [X1: $i] : ( X0 @ X1 ) ) ),
    inference(rectify,[],[f28]) ).

thf(f78,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(fool_elimination,[],[f77]) ).

thf(f85,plain,
    ~ ! [X0: $i > $i > $o] :
        ( ( mvalid
          @ ( mforall_prop
            @ ^ [X1: $i > $o] : ( mimplies @ X1 @ ( mbox @ X0 @ ( mdia @ X0 @ X1 ) ) ) ) )
       => ( msymmetric @ X0 ) ),
    inference(rectify,[],[f33]) ).

thf(f86,plain,
    ~ ! [X0: $i > $i > $o] :
        ( ( $true
          = ( mvalid
            @ ( mforall_prop
              @ ^ [Y0: $i > $o] : ( mimplies @ Y0 @ ( mbox @ X0 @ ( mdia @ X0 @ Y0 ) ) ) ) ) )
       => ( ( msymmetric @ X0 )
          = $true ) ),
    inference(fool_elimination,[],[f85]) ).

thf(f87,plain,
    ? [X0: $i > $i > $o] :
      ( ( ( msymmetric @ X0 )
       != $true )
      & ( $true
        = ( mvalid
          @ ( mforall_prop
            @ ^ [Y0: $i > $o] : ( mimplies @ Y0 @ ( mbox @ X0 @ ( mdia @ X0 @ Y0 ) ) ) ) ) ) ),
    inference(ennf_transformation,[],[f86]) ).

thf(f88,plain,
    ( ( $true
     != ( msymmetric @ sK0 ) )
    & ( $true
      = ( mvalid
        @ ( mforall_prop
          @ ^ [Y0: $i > $o] : ( mimplies @ Y0 @ ( mbox @ sK0 @ ( mdia @ sK0 @ Y0 ) ) ) ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f87]) ).

thf(f91,plain,
    ( mnot
    = ( ^ [Y0: $i > $o,Y1: $i] :
          ~ ( Y0 @ Y1 ) ) ),
    inference(cnf_transformation,[],[f37]) ).

thf(f92,plain,
    ( mor
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          | ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f39]) ).

thf(f94,plain,
    ( mimplies
    = ( ^ [Y0: $i > $o,Y1: $i > $o] : ( mor @ ( mnot @ Y0 ) @ Y1 ) ) ),
    inference(cnf_transformation,[],[f41]) ).

thf(f99,plain,
    ( mforall_prop
    = ( ^ [Y0: ( $i > $o ) > $i > $o,Y1: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y2: $i > $o] : ( Y0 @ Y2 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f48]) ).

thf(f104,plain,
    ( mbox
    = ( ^ [Y0: $i > $i > $o,Y1: $i > $o,Y2: $i] :
          ( !! @ $i
          @ ^ [Y3: $i] :
              ( ~ ( Y0 @ Y2 @ Y3 )
              | ( Y1 @ Y3 ) ) ) ) ),
    inference(cnf_transformation,[],[f55]) ).

thf(f105,plain,
    ( mdia
    = ( ^ [Y0: $i > $i > $o,Y1: $i > $o] : ( mnot @ ( mbox @ Y0 @ ( mnot @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f56]) ).

thf(f107,plain,
    ( msymmetric
    = ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( Y0 @ Y2 @ Y1 )
                 => ( Y0 @ Y1 @ Y2 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f60]) ).

thf(f116,plain,
    ( mvalid
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ),
    inference(cnf_transformation,[],[f78]) ).

thf(f120,plain,
    ( $true
    = ( mvalid
      @ ( mforall_prop
        @ ^ [Y0: $i > $o] : ( mimplies @ Y0 @ ( mbox @ sK0 @ ( mdia @ sK0 @ Y0 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f88]) ).

thf(f121,plain,
    ( $true
   != ( msymmetric @ sK0 ) ),
    inference(cnf_transformation,[],[f88]) ).

thf(f125,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,[],[f94,f92,f91]) ).

thf(f132,plain,
    ( mdia
    = ( ^ [Y0: $i > $i > $o,Y1: $i > $o] :
          ( ^ [Y2: $i > $o,Y3: $i] :
              ~ ( Y2 @ Y3 )
          @ ( ^ [Y2: $i > $i > $o,Y3: $i > $o,Y4: $i] :
                ( !! @ $i
                @ ^ [Y5: $i] :
                    ( ~ ( Y2 @ Y4 @ Y5 )
                    | ( Y3 @ Y5 ) ) )
            @ Y0
            @ ( ^ [Y2: $i > $o,Y3: $i] :
                  ~ ( Y2 @ Y3 )
              @ Y1 ) ) ) ) ),
    inference(definition_unfolding,[],[f105,f91,f104,f91]) ).

thf(f133,plain,
    ( $true
   != ( ^ [Y0: $i > $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( Y0 @ Y2 @ Y1 )
                 => ( Y0 @ Y1 @ Y2 ) ) ) )
      @ sK0 ) ),
    inference(definition_unfolding,[],[f121,f107]) ).

thf(f134,plain,
    ( $true
    = ( ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
      @ ( ^ [Y0: ( $i > $o ) > $i > $o,Y1: $i] :
            ( !! @ ( $i > $o )
            @ ^ [Y2: $i > $o] : ( Y0 @ Y2 @ Y1 ) )
        @ ^ [Y0: $i > $o] :
            ( ^ [Y1: $i > $o,Y2: $i > $o] :
                ( ^ [Y3: $i > $o,Y4: $i > $o,Y5: $i] :
                    ( ( Y3 @ Y5 )
                    | ( Y4 @ Y5 ) )
                @ ( ^ [Y3: $i > $o,Y4: $i] :
                      ~ ( Y3 @ Y4 )
                  @ Y1 )
                @ Y2 )
            @ Y0
            @ ( ^ [Y1: $i > $i > $o,Y2: $i > $o,Y3: $i] :
                  ( !! @ $i
                  @ ^ [Y4: $i] :
                      ( ~ ( Y1 @ Y3 @ Y4 )
                      | ( Y2 @ Y4 ) ) )
              @ sK0
              @ ( ^ [Y1: $i > $i > $o,Y2: $i > $o] :
                    ( ^ [Y3: $i > $o,Y4: $i] :
                        ~ ( Y3 @ Y4 )
                    @ ( ^ [Y3: $i > $i > $o,Y4: $i > $o,Y5: $i] :
                          ( !! @ $i
                          @ ^ [Y6: $i] :
                              ( ~ ( Y3 @ Y5 @ Y6 )
                              | ( Y4 @ Y6 ) ) )
                      @ Y1
                      @ ( ^ [Y3: $i > $o,Y4: $i] :
                            ~ ( Y3 @ Y4 )
                        @ Y2 ) ) )
                @ sK0
                @ Y0 ) ) ) ) ) ),
    inference(definition_unfolding,[],[f120,f116,f99,f125,f104,f132]) ).

thf(f135,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ ( $i > $o )
          @ ^ [Y1: $i > $o] :
              ( ~ ( Y1 @ Y0 )
              | ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ~ ( sK0 @ Y0 @ Y2 )
                    | ~ ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ~ ( sK0 @ Y2 @ Y3 )
                            | ~ ( Y1 @ Y3 ) ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f134]) ).

thf(f136,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ ( $i > $o )
            @ ^ [Y1: $i > $o] :
                ( ~ ( Y1 @ Y0 )
                | ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ~ ( sK0 @ Y0 @ Y2 )
                      | ~ ( !! @ $i
                          @ ^ [Y3: $i] :
                              ( ~ ( sK0 @ Y2 @ Y3 )
                              | ~ ( Y1 @ Y3 ) ) ) ) ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f135]) ).

thf(f137,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ ( $i > $o )
        @ ^ [Y0: $i > $o] :
            ( ~ ( Y0 @ X1 )
            | ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ~ ( sK0 @ X1 @ Y1 )
                  | ~ ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( sK0 @ Y1 @ Y2 )
                          | ~ ( Y0 @ Y2 ) ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f136]) ).

thf(f138,plain,
    ! [X2: $i > $o,X1: $i] :
      ( $true
      = ( ^ [Y0: $i > $o] :
            ( ~ ( Y0 @ X1 )
            | ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ~ ( sK0 @ X1 @ Y1 )
                  | ~ ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ~ ( sK0 @ Y1 @ Y2 )
                          | ~ ( Y0 @ Y2 ) ) ) ) ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f137]) ).

thf(f139,plain,
    ! [X2: $i > $o,X1: $i] :
      ( $true
      = ( ~ ( X2 @ X1 )
        | ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( sK0 @ X1 @ Y0 )
              | ~ ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( sK0 @ Y0 @ Y1 )
                      | ~ ( X2 @ Y1 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f138]) ).

thf(f140,plain,
    ! [X2: $i > $o,X1: $i] :
      ( ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( sK0 @ X1 @ Y0 )
              | ~ ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( sK0 @ Y0 @ Y1 )
                      | ~ ( X2 @ Y1 ) ) ) ) ) )
      | ( $true
        = ( ~ ( X2 @ X1 ) ) ) ),
    inference(or_proxy_clausification,[],[f139]) ).

thf(f141,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( sK0 @ X1 @ Y0 )
              | ~ ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( sK0 @ Y0 @ Y1 )
                      | ~ ( X2 @ Y1 ) ) ) )
          @ X3 ) )
      | ( $true
        = ( ~ ( X2 @ X1 ) ) ) ),
    inference(pi_proxy_clausification,[],[f140]) ).

thf(f142,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ~ ( sK0 @ X1 @ Y0 )
              | ~ ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( ~ ( sK0 @ Y0 @ Y1 )
                      | ~ ( X2 @ Y1 ) ) ) )
          @ X3 ) )
      | ( $false
        = ( X2 @ X1 ) ) ),
    inference(not_proxy_clausification,[],[f141]) ).

thf(f143,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( ~ ( sK0 @ X1 @ X3 )
          | ~ ( !! @ $i
              @ ^ [Y0: $i] :
                  ( ~ ( sK0 @ X3 @ Y0 )
                  | ~ ( X2 @ Y0 ) ) ) ) )
      | ( $false
        = ( X2 @ X1 ) ) ),
    inference(beta-eta_normalization,[],[f142]) ).

thf(f144,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( ~ ( !! @ $i
              @ ^ [Y0: $i] :
                  ( ~ ( sK0 @ X3 @ Y0 )
                  | ~ ( X2 @ Y0 ) ) ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $true
        = ( ~ ( sK0 @ X1 @ X3 ) ) ) ),
    inference(or_proxy_clausification,[],[f143]) ).

thf(f145,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ~ ( sK0 @ X3 @ Y0 )
              | ~ ( X2 @ Y0 ) ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $true
        = ( ~ ( sK0 @ X1 @ X3 ) ) ) ),
    inference(not_proxy_clausification,[],[f144]) ).

thf(f146,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ~ ( sK0 @ X3 @ Y0 )
              | ~ ( X2 @ Y0 ) )
          @ ( sK1 @ X3 @ X2 ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $true
        = ( ~ ( sK0 @ X1 @ X3 ) ) ) ),
    inference(sigma_proxy_clausification,[],[f145]) ).

thf(f147,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ~ ( sK0 @ X3 @ Y0 )
              | ~ ( X2 @ Y0 ) )
          @ ( sK1 @ X3 @ X2 ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f146]) ).

thf(f148,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( ~ ( sK0 @ X3 @ ( sK1 @ X3 @ X2 ) )
          | ~ ( X2 @ ( sK1 @ X3 @ X2 ) ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(beta-eta_normalization,[],[f147]) ).

thf(f149,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( ~ ( X2 @ ( sK1 @ X3 @ X2 ) ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(or_proxy_clausification,[],[f148]) ).

thf(f150,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $false
        = ( ~ ( sK0 @ X3 @ ( sK1 @ X3 @ X2 ) ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(or_proxy_clausification,[],[f148]) ).

thf(f151,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ X3 @ ( sK1 @ X3 @ X2 ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f150]) ).

thf(f152,plain,
    ! [X2: $i > $o,X3: $i,X1: $i] :
      ( ( $true
        = ( X2 @ ( sK1 @ X3 @ X2 ) ) )
      | ( $false
        = ( X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X1 @ X3 ) ) ),
    inference(not_proxy_clausification,[],[f149]) ).

thf(f153,plain,
    ( $true
   != ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( sK0 @ Y1 @ Y0 )
             => ( sK0 @ Y0 @ Y1 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f133]) ).

thf(f154,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( sK0 @ Y1 @ Y0 )
             => ( sK0 @ Y0 @ Y1 ) ) )
      @ sK2 ) ),
    inference(sigma_proxy_clausification,[],[f153]) ).

thf(f155,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( sK0 @ Y0 @ sK2 )
         => ( sK0 @ sK2 @ Y0 ) ) ) ),
    inference(beta-eta_normalization,[],[f154]) ).

thf(f156,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( ( sK0 @ Y0 @ sK2 )
         => ( sK0 @ sK2 @ Y0 ) )
      @ sK3 ) ),
    inference(sigma_proxy_clausification,[],[f155]) ).

thf(f157,plain,
    ( $false
    = ( ( sK0 @ sK3 @ sK2 )
     => ( sK0 @ sK2 @ sK3 ) ) ),
    inference(beta-eta_normalization,[],[f156]) ).

thf(f158,plain,
    ( $false
    = ( sK0 @ sK2 @ sK3 ) ),
    inference(imp_proxy_clausification,[],[f157]) ).

thf(f159,plain,
    ( $true
    = ( sK0 @ sK3 @ sK2 ) ),
    inference(imp_proxy_clausification,[],[f157]) ).

thf(f169,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( sK1 @ X0 @ ( (=) @ X1 ) )
        = X1 )
      | ( $false
        = ( sK0 @ X1 @ X0 ) ) ),
    inference(leibniz_equality_elimination,[],[f152]) ).

thf(f340,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ X1 @ X0 ) )
      | ( $false
        = ( X0 = X2 ) )
      | ( $false
        = ( sK0 @ X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X0 @ X1 ) ) ),
    inference(constrained_superposition,[],[f151,f169]) ).

thf(f419,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ X1 @ X0 ) )
      | ( $false
        = ( sK0 @ X2 @ X1 ) )
      | ( $false
        = ( sK0 @ X0 @ X1 ) )
      | ( X0 != X2 ) ),
    inference(equality_proxy_clausification,[],[f340]) ).

thf(f569,plain,
    ! [X0: $i] :
      ( ( $true = $false )
      | ( $true
        = ( sK0 @ sK2 @ sK3 ) )
      | ( $false
        = ( sK0 @ X0 @ sK2 ) )
      | ( sK3 != X0 ) ),
    inference(constrained_superposition,[],[f159,f419]) ).

thf(f581,plain,
    ! [X0: $i] :
      ( ( $true
        = ( sK0 @ sK2 @ sK3 ) )
      | ( $false
        = ( sK0 @ X0 @ sK2 ) )
      | ( sK3 != X0 ) ),
    inference(trivial_inequality_removal,[],[f569]) ).

thf(f607,plain,
    ! [X0: $i] :
      ( ( $true = $false )
      | ( $false
        = ( sK0 @ X0 @ sK2 ) )
      | ( sK3 != X0 ) ),
    inference(forward_demodulation,[],[f581,f158]) ).

thf(f608,plain,
    ! [X0: $i] :
      ( ( sK3 != X0 )
      | ( $false
        = ( sK0 @ X0 @ sK2 ) ) ),
    inference(trivial_inequality_removal,[],[f607]) ).

thf(f619,plain,
    ( $false
    = ( sK0 @ sK3 @ sK2 ) ),
    inference(equality_resolution,[],[f608]) ).

thf(f641,plain,
    $true = $false,
    inference(constrained_superposition,[],[f159,f619]) ).

thf(f647,plain,
    $false,
    inference(trivial_inequality_removal,[],[f641]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL710^1 : TPTP v9.3.1. Bugfixed v5.0.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.18  % Computer : n017.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 09:44:52 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
% 0.35/0.28  % (128151)Will run a generic schedule for satisfiability detection.
% 0.35/0.28  % (128160)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=2622557235:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.35/0.28  % (128160)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.35/0.28  % (128157)% WARNING: option uhcvi not known.
% 0.35/0.28  % (128159)dis+10_1_sil=32000:sp=arity:random_seed=3123636049:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.35/0.28  % (128157)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=399092818:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.35/0.28  % (128158)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1807722922:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.35/0.28  % (128157)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.35/0.28  % (128157)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.35/0.28  % (128156)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=1200812084_2999 on theBenchmark for (2999ds/0Mi)
% 0.35/0.28  % (128161)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1873645628:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.35/0.28  % (128162)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3629045066:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.35/0.28  % Exception at run slice level
% 0.35/0.28  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.35/0.28  % (128160)Instruction limit reached! 
% 0.35/0.28  % (128160)------------------------------
% 0.35/0.28  % (128160)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.28  % (128160)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.28  % (128160)CaDiCaL version: 2.1.3
% 0.35/0.28  % (128160)Termination reason: Instruction limit
% 0.35/0.28  % (128160)Termination phase: Saturation
% 0.35/0.28  % (128160)Time elapsed: 0.031 s
% 0.35/0.28  % (128160)Peak memory usage: 12 MB
% 0.35/0.28  % (128160)Instructions burned: 117 (million)
% 0.35/0.28  % (128158) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-128151-128158"...
% 0.35/0.28  % (128159) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-128151-128159"...
% 0.35/0.28  % (128158)...printing done.
% 0.35/0.28  % (128159)...printing done.
% 0.35/0.28  % (128170)fmb+10_1_fmbas=predicate:sil=64000:sas=cadical:random_seed=1424451828:i=714:nm=2_2999 on theBenchmark for (2999ds/714Mi)
% 0.35/0.28  % (128158)Refutation found. Thanks to Tanya!
% 0.35/0.28  % SZS status Theorem for theBenchmark
% 0.35/0.28  % SZS output start Proof for theBenchmark
% See solution above
% 0.35/0.28  % (128158)------------------------------
% 0.35/0.28  % (128158)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.35/0.28  % (128158)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.35/0.28  % (128158)CaDiCaL version: 2.1.3
% 0.35/0.28  % (128158)Termination reason: Refutation
% 0.35/0.28  % (128158)Time elapsed: 0.031 s
% 0.35/0.28  % (128158)Peak memory usage: 12 MB
% 0.35/0.28  % (128158)Instructions burned: 56 (million)
% 0.35/0.28  % (128151)Success in time 0.068 s
% 0.35/0.28  % Vampire exiting
%------------------------------------------------------------------------------