TSTP Solution File: ALG268^2 by Lash---1.13

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : ALG268^2 : TPTP v8.1.2. Bugfixed v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n032.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 30 16:33:49 EDT 2023

% Result   : Theorem 20.24s 20.98s
% Output   : Proof 20.24s
% Verified : 
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_subst,type,
    subst: $tType ).

thf(ty_term,type,
    term: $tType ).

thf(ty_eigen__1,type,
    eigen__1: term ).

thf(ty_id,type,
    id: subst ).

thf(ty_comp,type,
    comp: subst > subst > subst ).

thf(ty_lam,type,
    lam: term > term ).

thf(ty_sub,type,
    sub: term > subst > term ).

thf(ty_eigen__0,type,
    eigen__0: subst > term > subst > $o ).

thf(ty_push,type,
    push: term > subst > subst ).

thf(ty_one,type,
    one: term ).

thf(ty_sh,type,
    sh: subst ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: term] :
        ( ( eigen__0 @ id @ X1 @ id )
       => ( eigen__0 @ id @ ( sub @ eigen__1 @ ( push @ X1 @ id ) ) @ id ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( ( push @ one @ sh )
      = id ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ( ( sub @ eigen__1 @ ( push @ one @ sh ) )
      = ( sub @ eigen__1 @ id ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ( eigen__0 @ id @ ( lam @ ( sub @ eigen__1 @ ( push @ one @ sh ) ) ) @ id ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: subst > term > subst > $o] :
        ( ! [X2: subst > term > term] :
            ( ! [X3: subst,X4: term,X5: subst] :
                ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
           => ( ! [X3: term] :
                  ( ( X1 @ id @ X3 @ id )
                 => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
             => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
       => ! [X2: term] :
            ( ! [X3: term] :
                ( ( X1 @ id @ X3 @ id )
               => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
           => ( X1 @ id @ ( lam @ ( sub @ X2 @ ( push @ one @ sh ) ) ) @ id ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ! [X1: term] :
        ( ! [X2: term] :
            ( ( eigen__0 @ id @ X2 @ id )
           => ( eigen__0 @ id @ ( sub @ X1 @ ( push @ X2 @ id ) ) @ id ) )
       => ( eigen__0 @ id @ ( lam @ ( sub @ X1 @ ( push @ one @ sh ) ) ) @ id ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ( sub @ eigen__1 @ id )
      = ( sub @ eigen__1 @ ( push @ one @ sh ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> $false ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( ( sub @ eigen__1 @ id )
      = eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( ! [X1: subst > term > term] :
          ( ! [X2: subst,X3: term,X4: subst] :
              ( ( sub @ ( X1 @ X2 @ X3 ) @ X4 )
              = ( X1 @ ( comp @ X2 @ X4 ) @ ( sub @ X3 @ X4 ) ) )
         => ( ! [X2: term] :
                ( ( eigen__0 @ id @ X2 @ id )
               => ( eigen__0 @ id @ ( X1 @ id @ X2 ) @ id ) )
           => ( eigen__0 @ id @ ( lam @ ( X1 @ sh @ one ) ) @ id ) ) )
     => sP6 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: subst > term > term] :
        ( ! [X2: subst,X3: term,X4: subst] :
            ( ( sub @ ( X1 @ X2 @ X3 ) @ X4 )
            = ( X1 @ ( comp @ X2 @ X4 ) @ ( sub @ X3 @ X4 ) ) )
       => ( ! [X2: term] :
              ( ( eigen__0 @ id @ X2 @ id )
             => ( eigen__0 @ id @ ( X1 @ id @ X2 ) @ id ) )
         => ( eigen__0 @ id @ ( lam @ ( X1 @ sh @ one ) ) @ id ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ( eigen__0 @ id @ ( lam @ eigen__1 ) @ id ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ! [X1: term] :
        ( ( sub @ X1 @ id )
        = X1 ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( ( lam @ ( sub @ eigen__1 @ ( push @ one @ sh ) ) )
      = ( lam @ eigen__1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ( ( sub @ eigen__1 @ ( push @ one @ sh ) )
      = eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( sP1
     => sP4 ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( eigen__1
      = ( sub @ eigen__1 @ ( push @ one @ sh ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(def_axvarid,definition,
    axvarid = sP13 ).

thf(def_axvarshift,definition,
    axvarshift = sP2 ).

thf(def_hoaslam,definition,
    ( hoaslam
    = ( ^ [X1: subst,X2: subst > term > term] : ( lam @ ( X2 @ sh @ one ) ) ) ) ).

thf(def_hoasinduction_lem3aa,definition,
    ( hoasinduction_lem3aa
    = ( ! [X1: subst > term > subst > $o] :
          ( ^ [X2: $o,X3: $o] :
              ( X2
             => X3 )
          @ ! [X2: subst > term > term] :
              ( ^ [X3: $o,X4: $o] :
                  ( X3
                 => X4 )
              @ ! [X3: subst,X4: term,X5: subst] :
                  ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                  = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
              @ ( ^ [X3: $o,X4: $o] :
                    ( X3
                   => X4 )
                @ ! [X3: term] :
                    ( ^ [X4: $o,X5: $o] :
                        ( X4
                       => X5 )
                    @ ( X1 @ id @ X3 @ id )
                    @ ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                @ ( X1 @ id
                  @ ( hoaslam @ id
                    @ ^ [X3: subst,X4: term] : ( X2 @ X3 @ X4 ) )
                  @ id ) ) )
          @ ! [X2: term] :
              ( ^ [X3: $o,X4: $o] :
                  ( X3
                 => X4 )
              @ ! [X3: term] :
                  ( ^ [X4: $o,X5: $o] :
                      ( X4
                     => X5 )
                  @ ( X1 @ id @ X3 @ id )
                  @ ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
              @ ( X1 @ id @ ( lam @ ( sub @ X2 @ ( push @ one @ sh ) ) ) @ id ) ) ) ) ) ).

thf(def_hoasinduction_lem3,definition,
    ( hoasinduction_lem3
    = ( ! [X1: subst > term > subst > $o] :
          ( ^ [X2: $o,X3: $o] :
              ( X2
             => X3 )
          @ ! [X2: subst,X3: term,X4: subst,X5: subst] :
              ( ^ [X6: $o,X7: $o] :
                  ( X6
                 => X7 )
              @ ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
              @ ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
          @ ( ^ [X2: $o,X3: $o] :
                ( X2
               => X3 )
            @ ! [X2: subst,X3: term,X4: subst,X5: subst] :
                ( ^ [X6: $o,X7: $o] :
                    ( X6
                   => X7 )
                @ ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
                @ ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
            @ ( ^ [X2: $o,X3: $o] :
                  ( X2
                 => X3 )
              @ ! [X2: subst > term > term] :
                  ( ^ [X3: $o,X4: $o] :
                      ( X3
                     => X4 )
                  @ ! [X3: subst,X4: term,X5: subst] :
                      ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                      = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                  @ ( ^ [X3: $o,X4: $o] :
                        ( X3
                       => X4 )
                    @ ! [X3: term] :
                        ( ^ [X4: $o,X5: $o] :
                            ( X4
                           => X5 )
                        @ ( X1 @ id @ X3 @ id )
                        @ ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                    @ ( X1 @ id
                      @ ( hoaslam @ id
                        @ ^ [X3: subst,X4: term] : ( X2 @ X3 @ X4 ) )
                      @ id ) ) )
              @ ! [X2: term] :
                  ( ^ [X3: $o,X4: $o] :
                      ( X3
                     => X4 )
                  @ ! [X3: term] :
                      ( ^ [X4: $o,X5: $o] :
                          ( X4
                         => X5 )
                      @ ( X1 @ id @ X3 @ id )
                      @ ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                  @ ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ) ) ).

thf(def_hoasinduction_lem3_lthm,definition,
    ( hoasinduction_lem3_lthm
    = ( ^ [X1: $o,X2: $o] :
          ( X1
         => X2 )
      @ axvarid
      @ ( ^ [X1: $o,X2: $o] :
            ( X1
           => X2 )
        @ axvarshift
        @ ( ^ [X1: $o,X2: $o] :
              ( X1
             => X2 )
          @ hoasinduction_lem3aa
          @ hoasinduction_lem3 ) ) ) ) ).

thf(thm,conjecture,
    ( sP13
   => ( sP2
     => ( sP5
       => ! [X1: subst > term > subst > $o] :
            ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
               => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
           => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                  ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
                 => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
             => ( ! [X2: subst > term > term] :
                    ( ! [X3: subst,X4: term,X5: subst] :
                        ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                        = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                   => ( ! [X3: term] :
                          ( ( X1 @ id @ X3 @ id )
                         => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                     => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
               => ! [X2: term] :
                    ( ! [X3: term] :
                        ( ( X1 @ id @ X3 @ id )
                       => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                   => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ) ) ) ).

thf(h0,negated_conjecture,
    ~ ( sP13
     => ( sP2
       => ( sP5
         => ! [X1: subst > term > subst > $o] :
              ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                  ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
                 => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
             => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                    ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
                   => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
               => ( ! [X2: subst > term > term] :
                      ( ! [X3: subst,X4: term,X5: subst] :
                          ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                          = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                     => ( ! [X3: term] :
                            ( ( X1 @ id @ X3 @ id )
                           => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                       => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
                 => ! [X2: term] :
                      ( ! [X3: term] :
                          ( ( X1 @ id @ X3 @ id )
                         => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                     => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[thm]) ).

thf(h1,assumption,
    sP13,
    introduced(assumption,[]) ).

thf(h2,assumption,
    ~ ( sP2
     => ( sP5
       => ! [X1: subst > term > subst > $o] :
            ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
               => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
           => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                  ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
                 => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
             => ( ! [X2: subst > term > term] :
                    ( ! [X3: subst,X4: term,X5: subst] :
                        ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                        = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                   => ( ! [X3: term] :
                          ( ( X1 @ id @ X3 @ id )
                         => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                     => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
               => ! [X2: term] :
                    ( ! [X3: term] :
                        ( ( X1 @ id @ X3 @ id )
                       => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                   => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ) ),
    introduced(assumption,[]) ).

thf(h3,assumption,
    sP2,
    introduced(assumption,[]) ).

thf(h4,assumption,
    ~ ( sP5
     => ! [X1: subst > term > subst > $o] :
          ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
              ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
             => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
         => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
               => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
           => ( ! [X2: subst > term > term] :
                  ( ! [X3: subst,X4: term,X5: subst] :
                      ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                      = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                 => ( ! [X3: term] :
                        ( ( X1 @ id @ X3 @ id )
                       => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                   => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
             => ! [X2: term] :
                  ( ! [X3: term] :
                      ( ( X1 @ id @ X3 @ id )
                     => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                 => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ),
    introduced(assumption,[]) ).

thf(h5,assumption,
    sP5,
    introduced(assumption,[]) ).

thf(h6,assumption,
    ~ ! [X1: subst > term > subst > $o] :
        ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
            ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
           => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
       => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
              ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
             => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
         => ( ! [X2: subst > term > term] :
                ( ! [X3: subst,X4: term,X5: subst] :
                    ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                    = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
               => ( ! [X3: term] :
                      ( ( X1 @ id @ X3 @ id )
                     => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                 => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
           => ! [X2: term] :
                ( ! [X3: term] :
                    ( ( X1 @ id @ X3 @ id )
                   => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
               => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ),
    introduced(assumption,[]) ).

thf(h7,assumption,
    ~ ( ! [X1: subst,X2: term,X3: subst,X4: subst] :
          ( ( eigen__0 @ X1 @ X2 @ ( comp @ X4 @ X3 ) )
         => ( eigen__0 @ ( comp @ X1 @ X4 ) @ ( sub @ X2 @ X4 ) @ X3 ) )
     => ( ! [X1: subst,X2: term,X3: subst,X4: subst] :
            ( ( eigen__0 @ ( comp @ X1 @ X4 ) @ ( sub @ X2 @ X4 ) @ X3 )
           => ( eigen__0 @ X1 @ X2 @ ( comp @ X4 @ X3 ) ) )
       => ( sP11
         => ! [X1: term] :
              ( ! [X2: term] :
                  ( ( eigen__0 @ id @ X2 @ id )
                 => ( eigen__0 @ id @ ( sub @ X1 @ ( push @ X2 @ id ) ) @ id ) )
             => ( eigen__0 @ id @ ( lam @ X1 ) @ id ) ) ) ) ),
    introduced(assumption,[]) ).

thf(h8,assumption,
    ! [X1: subst,X2: term,X3: subst,X4: subst] :
      ( ( eigen__0 @ X1 @ X2 @ ( comp @ X4 @ X3 ) )
     => ( eigen__0 @ ( comp @ X1 @ X4 ) @ ( sub @ X2 @ X4 ) @ X3 ) ),
    introduced(assumption,[]) ).

thf(h9,assumption,
    ~ ( ! [X1: subst,X2: term,X3: subst,X4: subst] :
          ( ( eigen__0 @ ( comp @ X1 @ X4 ) @ ( sub @ X2 @ X4 ) @ X3 )
         => ( eigen__0 @ X1 @ X2 @ ( comp @ X4 @ X3 ) ) )
     => ( sP11
       => ! [X1: term] :
            ( ! [X2: term] :
                ( ( eigen__0 @ id @ X2 @ id )
               => ( eigen__0 @ id @ ( sub @ X1 @ ( push @ X2 @ id ) ) @ id ) )
           => ( eigen__0 @ id @ ( lam @ X1 ) @ id ) ) ) ),
    introduced(assumption,[]) ).

thf(h10,assumption,
    ! [X1: subst,X2: term,X3: subst,X4: subst] :
      ( ( eigen__0 @ ( comp @ X1 @ X4 ) @ ( sub @ X2 @ X4 ) @ X3 )
     => ( eigen__0 @ X1 @ X2 @ ( comp @ X4 @ X3 ) ) ),
    introduced(assumption,[]) ).

thf(h11,assumption,
    ~ ( sP11
     => ! [X1: term] :
          ( ! [X2: term] :
              ( ( eigen__0 @ id @ X2 @ id )
             => ( eigen__0 @ id @ ( sub @ X1 @ ( push @ X2 @ id ) ) @ id ) )
         => ( eigen__0 @ id @ ( lam @ X1 ) @ id ) ) ),
    introduced(assumption,[]) ).

thf(h12,assumption,
    sP11,
    introduced(assumption,[]) ).

thf(h13,assumption,
    ~ ! [X1: term] :
        ( ! [X2: term] :
            ( ( eigen__0 @ id @ X2 @ id )
           => ( eigen__0 @ id @ ( sub @ X1 @ ( push @ X2 @ id ) ) @ id ) )
       => ( eigen__0 @ id @ ( lam @ X1 ) @ id ) ),
    introduced(assumption,[]) ).

thf(h14,assumption,
    ~ ( sP1
     => sP12 ),
    introduced(assumption,[]) ).

thf(h15,assumption,
    sP1,
    introduced(assumption,[]) ).

thf(h16,assumption,
    ~ sP12,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP9
    | sP17
    | ~ sP9
    | ~ sP7 ),
    inference(confrontation_rule,[status(thm)],]) ).

thf(2,plain,
    ( sP3
    | ~ sP2
    | sP8 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP3
    | sP7 ),
    inference(symeq,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP17
    | sP15 ),
    inference(symeq,[status(thm)],]) ).

thf(5,plain,
    ( sP14
    | ~ sP15 ),
    inference(prop_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP4
    | sP12
    | sP8
    | ~ sP14
    | sP8 ),
    inference(mating_rule,[status(thm)],]) ).

thf(7,plain,
    ~ sP8,
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( ~ sP16
    | ~ sP1
    | sP4 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( ~ sP6
    | sP16 ),
    inference(all_rule,[status(thm)],]) ).

thf(10,plain,
    ( ~ sP10
    | ~ sP11
    | sP6 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( ~ sP13
    | sP9 ),
    inference(all_rule,[status(thm)],]) ).

thf(12,plain,
    ( ~ sP5
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(13,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h15,h16,h14,h12,h13,h10,h11,h8,h9,h7,h5,h6,h3,h4,h1,h2,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,h1,h3,h5,h12,h15,h16]) ).

thf(14,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h14,h12,h13,h10,h11,h8,h9,h7,h5,h6,h3,h4,h1,h2,h0]),tab_negimp(discharge,[h15,h16])],[h14,13,h15,h16]) ).

thf(15,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h12,h13,h10,h11,h8,h9,h7,h5,h6,h3,h4,h1,h2,h0]),tab_negall(discharge,[h14]),tab_negall(eigenvar,eigen__1)],[h13,14,h14]) ).

thf(16,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h10,h11,h8,h9,h7,h5,h6,h3,h4,h1,h2,h0]),tab_negimp(discharge,[h12,h13])],[h11,15,h12,h13]) ).

thf(17,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h8,h9,h7,h5,h6,h3,h4,h1,h2,h0]),tab_negimp(discharge,[h10,h11])],[h9,16,h10,h11]) ).

thf(18,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h7,h5,h6,h3,h4,h1,h2,h0]),tab_negimp(discharge,[h8,h9])],[h7,17,h8,h9]) ).

thf(19,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h5,h6,h3,h4,h1,h2,h0]),tab_negall(discharge,[h7]),tab_negall(eigenvar,eigen__0)],[h6,18,h7]) ).

thf(20,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h3,h4,h1,h2,h0]),tab_negimp(discharge,[h5,h6])],[h4,19,h5,h6]) ).

thf(21,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h1,h2,h0]),tab_negimp(discharge,[h3,h4])],[h2,20,h3,h4]) ).

thf(22,plain,
    $false,
    inference(tab_negimp,[status(thm),assumptions([h0]),tab_negimp(discharge,[h1,h2])],[h0,21,h1,h2]) ).

thf(0,theorem,
    ( sP13
   => ( sP2
     => ( sP5
       => ! [X1: subst > term > subst > $o] :
            ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                ( ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) )
               => ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 ) )
           => ( ! [X2: subst,X3: term,X4: subst,X5: subst] :
                  ( ( X1 @ ( comp @ X2 @ X5 ) @ ( sub @ X3 @ X5 ) @ X4 )
                 => ( X1 @ X2 @ X3 @ ( comp @ X5 @ X4 ) ) )
             => ( ! [X2: subst > term > term] :
                    ( ! [X3: subst,X4: term,X5: subst] :
                        ( ( sub @ ( X2 @ X3 @ X4 ) @ X5 )
                        = ( X2 @ ( comp @ X3 @ X5 ) @ ( sub @ X4 @ X5 ) ) )
                   => ( ! [X3: term] :
                          ( ( X1 @ id @ X3 @ id )
                         => ( X1 @ id @ ( X2 @ id @ X3 ) @ id ) )
                     => ( X1 @ id @ ( lam @ ( X2 @ sh @ one ) ) @ id ) ) )
               => ! [X2: term] :
                    ( ! [X3: term] :
                        ( ( X1 @ id @ X3 @ id )
                       => ( X1 @ id @ ( sub @ X2 @ ( push @ X3 @ id ) ) @ id ) )
                   => ( X1 @ id @ ( lam @ X2 ) @ id ) ) ) ) ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h0])],[22,h0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : ALG268^2 : TPTP v8.1.2. Bugfixed v5.2.0.
% 0.00/0.09  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.09/0.28  % Computer : n032.cluster.edu
% 0.09/0.28  % Model    : x86_64 x86_64
% 0.09/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.28  % Memory   : 8042.1875MB
% 0.09/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.28  % CPULimit : 300
% 0.09/0.28  % WCLimit  : 300
% 0.09/0.28  % DateTime : Mon Aug 28 04:36:00 EDT 2023
% 0.09/0.28  % CPUTime  : 
% 20.24/20.98  % SZS status Theorem
% 20.24/20.98  % Mode: cade22sinegrackle2xfaf3
% 20.24/20.98  % Steps: 69774
% 20.24/20.98  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------