## TPTP Problem File: SEV113^5.p

View Solutions - Solve Problem

```%------------------------------------------------------------------------------
% File     : SEV113^5 : TPTP v7.5.0. Released v4.0.0.
% Domain   : Set Theory (Relations)
% Problem  : TPS problem from RELN-THMS
% Version  : Especial.
% English  :

% Refs     : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% Source   : [Bro09]
% Names    : tps_1169 [Bro09]

% Status   : Theorem
% Rating   : 0.75 v7.4.0, 0.67 v7.3.0, 0.70 v7.2.0, 0.75 v7.1.0, 0.71 v7.0.0, 0.62 v6.4.0, 0.71 v6.3.0, 0.67 v6.2.0, 0.83 v6.0.0, 0.67 v5.5.0, 0.60 v5.4.0, 0.75 v4.1.0, 0.67 v4.0.1, 1.00 v4.0.0
% Syntax   : Number of formulae    :    2 (   0 unit;   1 type;   0 defn)
%            Number of atoms       :   71 (   0 equality;  71 variable)
%            Maximal formula depth :   15 (   8 average)
%            Number of connectives :   70 (   0   ~;   0   |;   5   &;  49   @)
%                                         (   0 <=>;  16  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :   19 (  19   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    3 (   1   :;   0   =)
%            Number of variables   :   30 (   0 sgn;  28   !;   2   ?;   0   ^)
%                                         (  30   :;   0  !>;   0  ?*)
%                                         (   0  @-;   0  @+)
% SPC      : TH0_THM_NEQ_NAR

% Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
%            project in the Department of Mathematical Sciences at Carnegie
%------------------------------------------------------------------------------
thf(a_type,type,(
a: \$tType )).

thf(cTHM576_LFP_pme,conjecture,
( ! [K: ( a > a > \$o ) > a > a > \$o] :
( ! [Xr1: a > a > \$o,Xr2: a > a > \$o] :
( ! [Xx: a,Xy: a] :
( ( Xr1 @ Xx @ Xy )
=> ( Xr2 @ Xx @ Xy ) )
=> ! [Xx: a,Xy: a] :
( ( K @ Xr1 @ Xx @ Xy )
=> ( K @ Xr2 @ Xx @ Xy ) ) )
=> ? [L: a > a > \$o] :
( ! [Xx: a,Xy: a] :
( ( L @ Xx @ Xy )
=> ( K @ L @ Xx @ Xy ) )
& ! [Xx: a,Xy: a] :
( ( K @ L @ Xx @ Xy )
=> ( L @ Xx @ Xy ) )
& ! [T: a > a > \$o] :
( ! [Xx: a,Xy: a] :
( ( K @ T @ Xx @ Xy )
=> ( T @ Xx @ Xy ) )
=> ! [Xx: a,Xy: a] :
( ( L @ Xx @ Xy )
=> ( T @ Xx @ Xy ) ) ) ) )
=> ! [Xr: a > a > \$o] :
? [Xs: a > a > \$o] :
( ! [Xa: a,Xb: a] :
( ( Xr @ Xa @ Xb )
=> ( Xs @ Xa @ Xb ) )
& ! [Xx: a,Xy: a] :
( ( Xs @ Xx @ Xy )
=> ( Xs @ Xy @ Xx ) )
& ! [Xt: a > a > \$o] :
( ( ! [Xa: a,Xb: a] :
( ( Xr @ Xa @ Xb )
=> ( Xt @ Xa @ Xb ) )
& ! [Xx: a,Xy: a] :
( ( Xt @ Xx @ Xy )
=> ( Xt @ Xy @ Xx ) ) )
=> ! [Xa: a,Xb: a] :
( ( Xs @ Xa @ Xb )
=> ( Xt @ Xa @ Xb ) ) ) ) )).

%------------------------------------------------------------------------------
```