TPTP Problem File: ALG290^5.p

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% File     : ALG290^5 : TPTP v7.0.0. Released v4.0.0.
% Domain   : General Algebra (Domain theory)
% Problem  : TPS problem from PU-LAMBDA-MODEL-THMS
% Version  : Especial.
% English  :

% Refs     : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% Source   : [Bro09]
% Names    : tps_1190 [Bro09]

% Status   : Theorem
% Rating   : 0.50 v7.0.0, 0.43 v6.4.0, 0.50 v6.3.0, 0.60 v6.2.0, 0.57 v5.5.0, 0.50 v5.4.0, 0.80 v4.1.0, 1.00 v4.0.0
% Syntax   : Number of formulae    :    9 (   0 unit;   8 type;   0 defn)
%            Number of atoms       :  101 (  10 equality;  58 variable)
%            Maximal formula depth :   16 (   4 average)
%            Number of connectives :   81 (   1   ~;   2   |;  15   &;  50   @)
%                                         (   1 <=>;  12  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :   11 (  11   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   10 (   8   :;   0   =)
%            Number of variables   :   25 (   0 sgn;  16   !;   7   ?;   2   ^)
%                                         (  25   :;   0  !>;   0  ?*)
%                                         (   0  @-;   0  @+)
% SPC      : TH0_THM_EQU_NAR

% Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
%            project in the Department of Mathematical Sciences at Carnegie
%            Mellon University. Distributed under the Creative Commons copyleft
%            license: http://creativecommons.org/licenses/by-sa/3.0/
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thf(a_type,type,(
    a: $tType )).

thf(cP,type,(
    cP: a > a > a )).

thf(cG,type,(
    cG: a > $o )).

thf(cX,type,(
    cX: a > $o )).

thf(cR,type,(
    cR: a > a )).

thf(cL,type,(
    cL: a > a )).

thf(cF,type,(
    cF: a > $o )).

thf(cZ,type,(
    cZ: a )).

thf(cPU_X2310A_pme,conjecture,
    ( ( ( ( cL @ cZ )
        = cZ )
      & ( ( cR @ cZ )
        = cZ )
      & ! [Xx: a,Xy: a] :
          ( ( cL @ ( cP @ Xx @ Xy ) )
          = Xx )
      & ! [Xx: a,Xy: a] :
          ( ( cR @ ( cP @ Xx @ Xy ) )
          = Xy )
      & ! [Xt: a] :
          ( ( Xt != cZ )
        <=> ( Xt
            = ( cP @ ( cL @ Xt ) @ ( cR @ Xt ) ) ) )
      & ! [X0: a > $o] :
          ( ? [Xt: a] :
              ( ( X0 @ Xt )
              & ! [Xu: a] :
                  ( ( X0 @ Xu )
                 => ( X0 @ ( cL @ Xu ) ) ) )
         => ( X0 @ cZ ) ) )
   => ( ( ^ [Xy: a] :
          ? [Xx: a] :
            ( ! [Xx_17: a] :
                ( ! [X0: a > $o] :
                    ( ( ( X0 @ Xx )
                      & ! [Xz: a] :
                          ( ( X0 @ Xz )
                         => ( X0 @ ( cL @ Xz ) ) ) )
                   => ? [Xv: a] :
                        ( ( X0 @ Xv )
                        & ( ( cR @ Xv )
                          = Xx_17 ) ) )
               => ( cX @ Xx_17 ) )
            & ( ( cF @ ( cP @ Xx @ Xy ) )
              | ( cG @ ( cP @ Xx @ Xy ) ) ) ) )
      = ( ^ [Xz: a] :
            ( ? [Xx: a] :
                ( ! [Xx_18: a] :
                    ( ! [X0: a > $o] :
                        ( ( ( X0 @ Xx )
                          & ! [Xz0: a] :
                              ( ( X0 @ Xz0 )
                             => ( X0 @ ( cL @ Xz0 ) ) ) )
                       => ? [Xv: a] :
                            ( ( X0 @ Xv )
                            & ( ( cR @ Xv )
                              = Xx_18 ) ) )
                   => ( cX @ Xx_18 ) )
                & ( cF @ ( cP @ Xx @ Xz ) ) )
            | ? [Xx: a] :
                ( ! [Xx_19: a] :
                    ( ! [X0: a > $o] :
                        ( ( ( X0 @ Xx )
                          & ! [Xz0: a] :
                              ( ( X0 @ Xz0 )
                             => ( X0 @ ( cL @ Xz0 ) ) ) )
                       => ? [Xv: a] :
                            ( ( X0 @ Xv )
                            & ( ( cR @ Xv )
                              = Xx_19 ) ) )
                   => ( cX @ Xx_19 ) )
                & ( cG @ ( cP @ Xx @ Xz ) ) ) ) ) ) )).

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