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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : LCL877^2 : TPTP v9.3.1. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% 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 Oct  7 10:31:01 AM UTC 2026

% Result   : Theorem 0.09s 0.21s
% Output   : CNFRefutation 0.09s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   32
% Syntax   : Number of formulae    :  110 (  90 unt;   0 typ;  31 def)
%            Number of atoms       :  579 ( 154 equ;   0 cnn)
%            Maximal formula atoms :    9 (   5 avg)
%            Number of connectives : 1275 ( 307   ~; 184   |;  30   &; 732   @)
%                                         (   4 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   2 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   92 (  92   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   43 (  40 usr;   8 con; 0-3 aty)
%            Number of variables   :  275 (  51   ^; 218   !;   6   ?; 275   :)

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

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

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

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

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

thf(tp_meq_ind,type,
    meq_ind: mu > mu > $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(tp_sK1_SY0,type,
    sK1_SY0: $i > $i > $o ).

thf(tp_sK2_SY65,type,
    sK2_SY65: $i ).

thf(tp_sK3_SY68,type,
    sK3_SY68: $i ).

thf(tp_sK4_SY70,type,
    sK4_SY70: $i ).

thf(tp_sK5_SY64,type,
    sK5_SY64: $i > ( $i > $o ) > $i > $i ).

thf(tp_sK6_SY60,type,
    sK6_SY60: $i ).

thf(tp_sK7_SY71,type,
    sK7_SY71: $i > $o ).

thf(tp_sK8_SY76,type,
    sK8_SY76: $i ).

thf(tp_sK9_SY75,type,
    sK9_SY75: $i ).

thf(mand,definition,
    ( mand
    = ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mnot @ ( mor @ ( mnot @ Phi ) @ ( mnot @ Psi ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mand) ).

thf(mbox,definition,
    ( mbox
    = ( ^ [R: $i > $i > $o,Phi: $i > $o,W: $i] :
        ! [V: $i] :
          ( ~ ( R @ W @ V )
          | ( Phi @ V ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mbox) ).

thf(mcountersatisfiable,definition,
    ( mcountersatisfiable
    = ( ^ [Phi: $i > $o] :
        ? [W: $i] :
          ~ ( Phi @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mcountersatisfiable) ).

thf(mdia,definition,
    ( mdia
    = ( ^ [R: $i > $i > $o,Phi: $i > $o] : ( mnot @ ( mbox @ R @ ( mnot @ Phi ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mdia) ).

thf(meq_ind,definition,
    ( meq_ind
    = ( ^ [X: mu,Y: mu,W: $i] : ( X = Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',meq_ind) ).

thf(meq_prop,definition,
    ( meq_prop
    = ( ^ [X: $i > $o,Y: $i > $o,W: $i] :
          ( ( X @ W )
          = ( Y @ W ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',meq_prop) ).

thf(mequiv,definition,
    ( mequiv
    = ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mand @ ( mimplies @ Phi @ Psi ) @ ( mimplies @ Psi @ Phi ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mequiv) ).

thf(meuclidean,definition,
    ( meuclidean
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( ( R @ S @ T )
            & ( R @ S @ U ) )
         => ( R @ T @ U ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',meuclidean) ).

thf(mexists_ind,definition,
    ( mexists_ind
    = ( ^ [Phi: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [X: mu] : ( mnot @ ( Phi @ X ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mexists_ind) ).

thf(mexists_prop,definition,
    ( mexists_prop
    = ( ^ [Phi: ( $i > $o ) > $i > $o] :
          ( mnot
          @ ( mforall_prop
            @ ^ [P: $i > $o] : ( mnot @ ( Phi @ P ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mexists_prop) ).

thf(mfalse,definition,
    ( mfalse
    = ( mnot @ mtrue ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mfalse) ).

thf(mforall_ind,definition,
    ( mforall_ind
    = ( ^ [Phi: mu > $i > $o,W: $i] :
        ! [X: mu] : ( Phi @ X @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mforall_ind) ).

thf(mforall_prop,definition,
    ( mforall_prop
    = ( ^ [Phi: ( $i > $o ) > $i > $o,W: $i] :
        ! [P: $i > $o] : ( Phi @ P @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mforall_prop) ).

thf(mfunctional,definition,
    ( mfunctional
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i] :
        ? [T: $i] :
          ( ( R @ S @ T )
          & ! [U: $i] :
              ( ( R @ S @ U )
             => ( T = U ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mfunctional) ).

thf(mimplied,definition,
    ( mimplied
    = ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mor @ ( mnot @ Psi ) @ Phi ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mimplied) ).

thf(mimplies,definition,
    ( mimplies
    = ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mor @ ( mnot @ Phi ) @ Psi ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mimplies) ).

thf(minvalid,definition,
    ( minvalid
    = ( ^ [Phi: $i > $o] :
        ! [W: $i] :
          ~ ( Phi @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',minvalid) ).

thf(mnot,definition,
    ( mnot
    = ( ^ [Phi: $i > $o,W: $i] :
          ~ ( Phi @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mnot) ).

thf(mor,definition,
    ( mor
    = ( ^ [Phi: $i > $o,Psi: $i > $o,W: $i] :
          ( ( Phi @ W )
          | ( Psi @ W ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mor) ).

thf(mpartially_functional,definition,
    ( mpartially_functional
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( ( R @ S @ T )
            & ( R @ S @ U ) )
         => ( T = U ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mpartially_functional) ).

thf(mreflexive,definition,
    ( mreflexive
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i] : ( R @ S @ S ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mreflexive) ).

thf(msatisfiable,definition,
    ( msatisfiable
    = ( ^ [Phi: $i > $o] :
        ? [W: $i] : ( Phi @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',msatisfiable) ).

thf(mserial,definition,
    ( mserial
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i] :
        ? [T: $i] : ( R @ S @ T ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mserial) ).

thf(msymmetric,definition,
    ( msymmetric
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i] :
          ( ( R @ S @ T )
         => ( R @ T @ S ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',msymmetric) ).

thf(mtransitive,definition,
    ( mtransitive
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( ( R @ S @ T )
            & ( R @ T @ U ) )
         => ( R @ S @ U ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mtransitive) ).

thf(mtrue,definition,
    ( mtrue
    = ( ^ [W: $i] : $true ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mtrue) ).

thf(mvalid,definition,
    ( mvalid
    = ( ^ [Phi: $i > $o] :
        ! [W: $i] : ( Phi @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mvalid) ).

thf(mweakly_connected,definition,
    ( mweakly_connected
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( ( R @ S @ T )
            & ( R @ S @ U ) )
         => ( ( R @ T @ U )
            | ( T = U )
            | ( R @ U @ T ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_connected) ).

thf(mweakly_dense,definition,
    ( mweakly_dense
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( R @ S @ T )
         => ? [U: $i] :
              ( ( R @ S @ U )
              & ( R @ U @ T ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_dense) ).

thf(mweakly_directed,definition,
    ( mweakly_directed
    = ( ^ [R: $i > $i > $o] :
        ! [S: $i,T: $i,U: $i] :
          ( ( ( R @ S @ T )
            & ( R @ S @ U ) )
         => ? [V: $i] :
              ( ( R @ T @ V )
              & ( R @ U @ V ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_directed) ).

thf(mxor,definition,
    ( mxor
    = ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mnot @ ( mequiv @ Phi @ Psi ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mxor) ).

thf(1,conjecture,
    ! [R: $i > $i > $o] :
      ( ( mvalid
        @ ( mforall_prop
          @ ^ [Phi: $i > $o] : ( mimplies @ ( mnot @ ( mbox @ R @ Phi ) ) @ ( mbox @ R @ ( mnot @ ( mbox @ R @ Phi ) ) ) ) ) )
    <=> ( meuclidean @ R ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj) ).

thf(2,negated_conjecture,
    ( ( ! [R: $i > $i > $o] :
          ( ( mvalid
            @ ( mforall_prop
              @ ^ [Phi: $i > $o] : ( mimplies @ ( mnot @ ( mbox @ R @ Phi ) ) @ ( mbox @ R @ ( mnot @ ( mbox @ R @ Phi ) ) ) ) ) )
        <=> ( meuclidean @ R ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ! [SY0: $i > $i > $o] :
          ( ! [SY43: $i,SY44: $i > $o] :
              ( ~ ~ ! [SY45: $i] :
                      ( ~ ( SY0 @ SY43 @ SY45 )
                      | ( SY44 @ SY45 ) )
              | ! [SY46: $i] :
                  ( ~ ( SY0 @ SY43 @ SY46 )
                  | ~ ! [SY39: $i] :
                        ( ~ ( SY0 @ SY46 @ SY39 )
                        | ( SY44 @ SY39 ) ) ) )
        <=> ! [SY48: $i,SY49: $i,SY50: $i] :
              ( ( ( SY0 @ SY48 @ SY49 )
                & ( SY0 @ SY48 @ SY50 ) )
             => ( SY0 @ SY49 @ SY50 ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).

thf(4,plain,
    ( ( ! [SY60: $i,SY61: $i > $o] :
          ( ~ ~ ! [SY62: $i] :
                  ( ~ ( sK1_SY0 @ SY60 @ SY62 )
                  | ( SY61 @ SY62 ) )
          | ! [SY63: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY63 )
              | ~ ! [SY64: $i] :
                    ( ~ ( sK1_SY0 @ SY63 @ SY64 )
                    | ( SY61 @ SY64 ) ) ) )
    <=> ! [SY65: $i,SY66: $i,SY67: $i] :
          ( ( ( sK1_SY0 @ SY65 @ SY66 )
            & ( sK1_SY0 @ SY65 @ SY67 ) )
         => ( sK1_SY0 @ SY66 @ SY67 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[3]) ).

thf(5,plain,
    ( ( ! [SY60: $i,SY61: $i > $o] :
          ( ~ ~ ! [SY62: $i] :
                  ( ~ ( sK1_SY0 @ SY60 @ SY62 )
                  | ( SY61 @ SY62 ) )
          | ! [SY63: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY63 )
              | ~ ! [SY64: $i] :
                    ( ~ ( sK1_SY0 @ SY63 @ SY64 )
                    | ( SY61 @ SY64 ) ) ) )
     => ! [SY65: $i,SY66: $i,SY67: $i] :
          ( ( ( sK1_SY0 @ SY65 @ SY66 )
            & ( sK1_SY0 @ SY65 @ SY67 ) )
         => ( sK1_SY0 @ SY66 @ SY67 ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[4]) ).

thf(6,plain,
    ( ( ! [SY65: $i,SY66: $i,SY67: $i] :
          ( ( ( sK1_SY0 @ SY65 @ SY66 )
            & ( sK1_SY0 @ SY65 @ SY67 ) )
         => ( sK1_SY0 @ SY66 @ SY67 ) )
     => ! [SY60: $i,SY61: $i > $o] :
          ( ~ ~ ! [SY62: $i] :
                  ( ~ ( sK1_SY0 @ SY60 @ SY62 )
                  | ( SY61 @ SY62 ) )
          | ! [SY63: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY63 )
              | ~ ! [SY64: $i] :
                    ( ~ ( sK1_SY0 @ SY63 @ SY64 )
                    | ( SY61 @ SY64 ) ) ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[4]) ).

thf(7,plain,
    ( ( ~ ( ! [SY60: $i,SY61: $i > $o] :
              ( ~ ~ ! [SY62: $i] :
                      ( ~ ( sK1_SY0 @ SY60 @ SY62 )
                      | ( SY61 @ SY62 ) )
              | ! [SY63: $i] :
                  ( ~ ( sK1_SY0 @ SY60 @ SY63 )
                  | ~ ! [SY64: $i] :
                        ( ~ ( sK1_SY0 @ SY63 @ SY64 )
                        | ( SY61 @ SY64 ) ) ) )
         => ! [SY65: $i,SY66: $i,SY67: $i] :
              ( ( ( sK1_SY0 @ SY65 @ SY66 )
                & ( sK1_SY0 @ SY65 @ SY67 ) )
             => ( sK1_SY0 @ SY66 @ SY67 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[5]) ).

thf(8,plain,
    ( ( ~ ( ! [SY65: $i,SY66: $i,SY67: $i] :
              ( ( ( sK1_SY0 @ SY65 @ SY66 )
                & ( sK1_SY0 @ SY65 @ SY67 ) )
             => ( sK1_SY0 @ SY66 @ SY67 ) )
         => ! [SY60: $i,SY61: $i > $o] :
              ( ~ ~ ! [SY62: $i] :
                      ( ~ ( sK1_SY0 @ SY60 @ SY62 )
                      | ( SY61 @ SY62 ) )
              | ! [SY63: $i] :
                  ( ~ ( sK1_SY0 @ SY60 @ SY63 )
                  | ~ ! [SY64: $i] :
                        ( ~ ( sK1_SY0 @ SY63 @ SY64 )
                        | ( SY61 @ SY64 ) ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[6]) ).

thf(9,plain,
    ( ( ! [SY60: $i,SY61: $i > $o] :
          ( ! [SY62: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY62 )
              | ( SY61 @ SY62 ) )
          | ! [SY63: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY63 )
              | ( ( sK1_SY0 @ SY63 @ ( sK5_SY64 @ SY63 @ SY61 @ SY60 ) )
                & ~ ( SY61 @ ( sK5_SY64 @ SY63 @ SY61 @ SY60 ) ) ) ) )
      & ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
      & ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 )
      & ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[7]) ).

thf(10,plain,
    ( ( ! [SY65: $i,SY66: $i,SY67: $i] :
          ( ~ ( sK1_SY0 @ SY65 @ SY66 )
          | ~ ( sK1_SY0 @ SY65 @ SY67 )
          | ( sK1_SY0 @ SY66 @ SY67 ) )
      & ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
      & ~ ( sK7_SY71 @ sK9_SY75 )
      & ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
      & ! [SY78: $i] :
          ( ~ ( sK1_SY0 @ sK8_SY76 @ SY78 )
          | ( sK7_SY71 @ SY78 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[8]) ).

thf(11,plain,
    ( ( ! [SY60: $i,SY61: $i > $o] :
          ( ! [SY62: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY62 )
              | ( SY61 @ SY62 ) )
          | ! [SY63: $i] :
              ( ~ ( sK1_SY0 @ SY60 @ SY63 )
              | ( ( sK1_SY0 @ SY63 @ ( sK5_SY64 @ SY63 @ SY61 @ SY60 ) )
                & ~ ( SY61 @ ( sK5_SY64 @ SY63 @ SY61 @ SY60 ) ) ) ) )
      & ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
      & ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 )
      & ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(12,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i > $o] :
                ( ! [SX2: $i] :
                    ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                    | ( SX1 @ SX2 ) )
                | ! [SX2: $i] :
                    ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                    | ~ ( ~ ( sK1_SY0 @ SX2 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) )
                        | ~ ~ ( SX1 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) ) ) ) )
          | ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
                      | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
                | ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).

thf(13,plain,
    ( ( ~ ! [SX0: $i,SX1: $i > $o] :
            ( ! [SX2: $i] :
                ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                | ( SX1 @ SX2 ) )
            | ! [SX2: $i] :
                ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                | ~ ( ~ ( sK1_SY0 @ SX2 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) )
                    | ~ ~ ( SX1 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) ) ) ) )
      | ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
                  | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
            | ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[12]) ).

thf(14,plain,
    ( ( ~ ! [SX0: $i,SX1: $i > $o] :
            ( ! [SX2: $i] :
                ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                | ( SX1 @ SX2 ) )
            | ! [SX2: $i] :
                ( ~ ( sK1_SY0 @ SX0 @ SX2 )
                | ~ ( ~ ( sK1_SY0 @ SX2 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) )
                    | ~ ~ ( SX1 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[13]) ).

thf(15,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
                  | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
            | ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[13]) ).

thf(16,plain,
    ( ( ! [SX0: $i,SX1: $i > $o] :
          ( ! [SX2: $i] :
              ( ~ ( sK1_SY0 @ SX0 @ SX2 )
              | ( SX1 @ SX2 ) )
          | ! [SX2: $i] :
              ( ~ ( sK1_SY0 @ SX0 @ SX2 )
              | ~ ( ~ ( sK1_SY0 @ SX2 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) )
                  | ~ ~ ( SX1 @ ( sK5_SY64 @ SX2 @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[14]) ).

thf(17,plain,
    ( ( ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
                | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
          | ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[15]) ).

thf(18,plain,
    ! [SV1: $i] :
      ( ( ! [SY79: $i > $o] :
            ( ! [SY80: $i] :
                ( ~ ( sK1_SY0 @ SV1 @ SY80 )
                | ( SY79 @ SY80 ) )
            | ! [SY81: $i] :
                ( ~ ( sK1_SY0 @ SV1 @ SY81 )
                | ~ ( ~ ( sK1_SY0 @ SY81 @ ( sK5_SY64 @ SY81 @ SY79 @ SV1 ) )
                    | ~ ~ ( SY79 @ ( sK5_SY64 @ SY81 @ SY79 @ SV1 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(19,plain,
    ( ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
            | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
      | ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[17]) ).

thf(20,plain,
    ! [SV2: $i > $o,SV1: $i] :
      ( ( ! [SY82: $i] :
            ( ~ ( sK1_SY0 @ SV1 @ SY82 )
            | ( SV2 @ SY82 ) )
        | ! [SY83: $i] :
            ( ~ ( sK1_SY0 @ SV1 @ SY83 )
            | ~ ( ~ ( sK1_SY0 @ SY83 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) )
                | ~ ~ ( SV2 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(21,plain,
    ( ( ~ ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
            | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[19]) ).

thf(22,plain,
    ( ( ~ ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[19]) ).

thf(23,plain,
    ! [SV2: $i > $o,SV1: $i] :
      ( ( ( ! [SY82: $i] :
              ( ~ ( sK1_SY0 @ SV1 @ SY82 )
              | ( SV2 @ SY82 ) ) )
        = $true )
      | ( ( ! [SY83: $i] :
              ( ~ ( sK1_SY0 @ SV1 @ SY83 )
              | ~ ( ~ ( sK1_SY0 @ SY83 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) )
                  | ~ ~ ( SV2 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[20]) ).

thf(24,plain,
    ( ( ~ ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
          | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[21]) ).

thf(25,plain,
    ( ( ~ ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[22]) ).

thf(26,plain,
    ! [SV2: $i > $o,SV3: $i,SV1: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV1 @ SV3 )
          | ( SV2 @ SV3 ) )
        = $true )
      | ( ( ! [SY83: $i] :
              ( ~ ( sK1_SY0 @ SV1 @ SY83 )
              | ~ ( ~ ( sK1_SY0 @ SY83 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) )
                  | ~ ~ ( SV2 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[23]) ).

thf(27,plain,
    ( ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
      | ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[24]) ).

thf(28,plain,
    ( ( sK1_SY0 @ sK3_SY68 @ sK4_SY70 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[25]) ).

thf(29,plain,
    ! [SV2: $i > $o,SV3: $i,SV1: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV1 @ SV3 ) )
        = $true )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( ! [SY83: $i] :
              ( ~ ( sK1_SY0 @ SV1 @ SY83 )
              | ~ ( ~ ( sK1_SY0 @ SY83 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) )
                  | ~ ~ ( SV2 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[26]) ).

thf(30,plain,
    ( ( ~ ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[27]) ).

thf(31,plain,
    ( ( ~ ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[27]) ).

thf(32,plain,
    ! [SV2: $i > $o,SV3: $i,SV1: $i] :
      ( ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( ! [SY83: $i] :
              ( ~ ( sK1_SY0 @ SV1 @ SY83 )
              | ~ ( ~ ( sK1_SY0 @ SY83 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) )
                  | ~ ~ ( SV2 @ ( sK5_SY64 @ SY83 @ SV2 @ SV1 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(33,plain,
    ( ( sK1_SY0 @ sK2_SY65 @ sK3_SY68 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[30]) ).

thf(34,plain,
    ( ( sK1_SY0 @ sK2_SY65 @ sK4_SY70 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[31]) ).

thf(35,plain,
    ! [SV3: $i,SV2: $i > $o,SV4: $i,SV1: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV1 @ SV4 )
          | ~ ( ~ ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
              | ~ ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) ) )
        = $true )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[32]) ).

thf(36,plain,
    ! [SV3: $i,SV2: $i > $o,SV4: $i,SV1: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV1 @ SV4 ) )
        = $true )
      | ( ( ~ ( ~ ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
              | ~ ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) ) )
        = $true )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[35]) ).

thf(37,plain,
    ! [SV3: $i,SV2: $i > $o,SV4: $i,SV1: $i] :
      ( ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( ~ ( ~ ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
              | ~ ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) ) )
        = $true )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[36]) ).

thf(38,plain,
    ! [SV3: $i,SV1: $i,SV2: $i > $o,SV4: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
          | ~ ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) )
        = $false )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[37]) ).

thf(39,plain,
    ! [SV3: $i,SV1: $i,SV2: $i > $o,SV4: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) )
        = $false )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[38]) ).

thf(40,plain,
    ! [SV3: $i,SV1: $i,SV4: $i,SV2: $i > $o] :
      ( ( ( ~ ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) )
        = $false )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[38]) ).

thf(41,plain,
    ! [SV3: $i,SV1: $i,SV2: $i > $o,SV4: $i] :
      ( ( ( sK1_SY0 @ SV4 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[39]) ).

thf(42,plain,
    ! [SV3: $i,SV1: $i,SV4: $i,SV2: $i > $o] :
      ( ( ( ~ ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) ) )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[40]) ).

thf(43,plain,
    ! [SV3: $i,SV1: $i,SV4: $i,SV2: $i > $o] :
      ( ( ( SV2 @ ( sK5_SY64 @ SV4 @ SV2 @ SV1 ) )
        = $false )
      | ( ( sK1_SY0 @ SV1 @ SV4 )
        = $false )
      | ( ( SV2 @ SV3 )
        = $true )
      | ( ( sK1_SY0 @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[42]) ).

thf(44,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[28,43,41,34,33]) ).

thf(45,plain,
    ( ( ! [SY65: $i,SY66: $i,SY67: $i] :
          ( ~ ( sK1_SY0 @ SY65 @ SY66 )
          | ~ ( sK1_SY0 @ SY65 @ SY67 )
          | ( sK1_SY0 @ SY66 @ SY67 ) )
      & ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
      & ~ ( sK7_SY71 @ sK9_SY75 )
      & ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
      & ! [SY78: $i] :
          ( ~ ( sK1_SY0 @ sK8_SY76 @ SY78 )
          | ( sK7_SY71 @ SY78 ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(46,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i,SX2: $i] :
                ( ~ ( sK1_SY0 @ SX0 @ SX1 )
                | ~ ( sK1_SY0 @ SX0 @ SX2 )
                | ( sK1_SY0 @ SX1 @ SX2 ) )
          | ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
                      | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
                | ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
                      | ~ ! [SX0: $i] :
                            ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                            | ( sK7_SY71 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).

thf(47,plain,
    ( ( ~ ! [SX0: $i,SX1: $i,SX2: $i] :
            ( ~ ( sK1_SY0 @ SX0 @ SX1 )
            | ~ ( sK1_SY0 @ SX0 @ SX2 )
            | ( sK1_SY0 @ SX1 @ SX2 ) )
      | ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
                  | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
            | ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
                  | ~ ! [SX0: $i] :
                        ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                        | ( sK7_SY71 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(48,plain,
    ( ( ~ ! [SX0: $i,SX1: $i,SX2: $i] :
            ( ~ ( sK1_SY0 @ SX0 @ SX1 )
            | ~ ( sK1_SY0 @ SX0 @ SX2 )
            | ( sK1_SY0 @ SX1 @ SX2 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(49,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
                  | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
            | ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
                  | ~ ! [SX0: $i] :
                        ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                        | ( sK7_SY71 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(50,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( sK1_SY0 @ SX0 @ SX1 )
          | ~ ( sK1_SY0 @ SX0 @ SX2 )
          | ( sK1_SY0 @ SX1 @ SX2 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[48]) ).

thf(51,plain,
    ( ( ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
                | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
          | ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
                | ~ ! [SX0: $i] :
                      ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                      | ( sK7_SY71 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[49]) ).

thf(52,plain,
    ! [SV5: $i] :
      ( ( ! [SY84: $i,SY85: $i] :
            ( ~ ( sK1_SY0 @ SV5 @ SY84 )
            | ~ ( sK1_SY0 @ SV5 @ SY85 )
            | ( sK1_SY0 @ SY84 @ SY85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[50]) ).

thf(53,plain,
    ( ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
            | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
      | ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
            | ~ ! [SX0: $i] :
                  ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                  | ( sK7_SY71 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[51]) ).

thf(54,plain,
    ! [SV6: $i,SV5: $i] :
      ( ( ! [SY86: $i] :
            ( ~ ( sK1_SY0 @ SV5 @ SV6 )
            | ~ ( sK1_SY0 @ SV5 @ SY86 )
            | ( sK1_SY0 @ SV6 @ SY86 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[52]) ).

thf(55,plain,
    ( ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
            | ~ ~ ( sK7_SY71 @ sK9_SY75 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[53]) ).

thf(56,plain,
    ( ( ~ ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
            | ~ ! [SX0: $i] :
                  ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                  | ( sK7_SY71 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[53]) ).

thf(57,plain,
    ! [SV7: $i,SV6: $i,SV5: $i] :
      ( ( ~ ( sK1_SY0 @ SV5 @ SV6 )
        | ~ ( sK1_SY0 @ SV5 @ SV7 )
        | ( sK1_SY0 @ SV6 @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(58,plain,
    ( ( ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
          | ~ ~ ( sK7_SY71 @ sK9_SY75 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[55]) ).

thf(59,plain,
    ( ( ~ ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
          | ~ ! [SX0: $i] :
                ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
                | ( sK7_SY71 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[56]) ).

thf(60,plain,
    ! [SV7: $i,SV6: $i,SV5: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV5 @ SV6 )
          | ~ ( sK1_SY0 @ SV5 @ SV7 ) )
        = $true )
      | ( ( sK1_SY0 @ SV6 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[57]) ).

thf(61,plain,
    ( ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
      | ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(62,plain,
    ( ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
      | ~ ! [SX0: $i] :
            ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
            | ( sK7_SY71 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[59]) ).

thf(63,plain,
    ! [SV7: $i,SV6: $i,SV5: $i] :
      ( ( ( ~ ( sK1_SY0 @ SV5 @ SV6 ) )
        = $true )
      | ( ( ~ ( sK1_SY0 @ SV5 @ SV7 ) )
        = $true )
      | ( ( sK1_SY0 @ SV6 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[60]) ).

thf(64,plain,
    ( ( ~ ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(65,plain,
    ( ( ~ ~ ( sK7_SY71 @ sK9_SY75 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(66,plain,
    ( ( ~ ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(67,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
            | ( sK7_SY71 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(68,plain,
    ! [SV7: $i,SV6: $i,SV5: $i] :
      ( ( ( sK1_SY0 @ SV5 @ SV6 )
        = $false )
      | ( ( ~ ( sK1_SY0 @ SV5 @ SV7 ) )
        = $true )
      | ( ( sK1_SY0 @ SV6 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[63]) ).

thf(69,plain,
    ( ( sK1_SY0 @ sK6_SY60 @ sK9_SY75 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(70,plain,
    ( ( ~ ( sK7_SY71 @ sK9_SY75 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[65]) ).

thf(71,plain,
    ( ( sK1_SY0 @ sK6_SY60 @ sK8_SY76 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[66]) ).

thf(72,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( sK1_SY0 @ sK8_SY76 @ SX0 )
          | ( sK7_SY71 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[67]) ).

thf(73,plain,
    ! [SV6: $i,SV7: $i,SV5: $i] :
      ( ( ( sK1_SY0 @ SV5 @ SV7 )
        = $false )
      | ( ( sK1_SY0 @ SV5 @ SV6 )
        = $false )
      | ( ( sK1_SY0 @ SV6 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(74,plain,
    ( ( sK7_SY71 @ sK9_SY75 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[70]) ).

thf(75,plain,
    ! [SV8: $i] :
      ( ( ~ ( sK1_SY0 @ sK8_SY76 @ SV8 )
        | ( sK7_SY71 @ SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(76,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( sK1_SY0 @ sK8_SY76 @ SV8 ) )
        = $true )
      | ( ( sK7_SY71 @ SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[75]) ).

thf(77,plain,
    ! [SV8: $i] :
      ( ( ( sK1_SY0 @ sK8_SY76 @ SV8 )
        = $false )
      | ( ( sK7_SY71 @ SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(78,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[69,77,74,73,71]) ).

thf(79,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[78,44]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL877^2 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.16  % Computer : n018.cluster.edu
% 0.09/0.16  % Model    : x86_64 x86_64
% 0.09/0.16  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.16  % Memory   : 8046.5625MB
% 0.09/0.16  % OS       : Linux 6.8.0-71-generic
% 0.09/0.16  % CPULimit : 300
% 0.09/0.16  % WCLimit  : 300
% 0.09/0.16  % DateTime : Tue Oct  6 12:38:22 UTC 2026
% 0.09/0.16  % CPUTime  : 
% 0.09/0.16  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.21  
% 0.09/0.21   No.of.Axioms: 0
% 0.09/0.21  
% 0.09/0.21   Length.of.Defs: 5293
% 0.09/0.21  
% 0.09/0.21   Contains.Choice.Funs: false
% 0.09/0.21  ...
% 0.09/0.21  
% 0.09/0.21  ********************************
% 0.09/0.21  *   All subproblems solved!    *
% 0.09/0.21  ********************************
% 0.09/0.21  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:0,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:78,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.09/0.21  
% 0.09/0.21  %**** Beginning of derivation protocol ****
% 0.09/0.21  % SZS output start CNFRefutation
% See solution above
% 0.09/0.21  
% 0.09/0.21  %**** End of derivation protocol ****
% 0.09/0.21  %**** no. of clauses in derivation: 79 ****
% 0.09/0.21  %**** clause counter: 78 ****
% 0.09/0.21  
% 0.09/0.21  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:0,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:78,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------