TPTP Problem File: SYO238^5.p
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% File : SYO238^5 : TPTP v8.2.0. Released v4.0.0.
% Domain : Syntactic
% Problem : TPS problem from BASIC-HO-EQ-THMS
% Version : Especial.
% English :
% Refs : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% Source : [Bro09]
% Names : tps_0822 [Bro09]
% Status : Theorem
% Rating : 0.00 v8.2.0, 0.08 v8.1.0, 0.00 v6.2.0, 0.14 v6.1.0, 0.00 v6.0.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v4.1.0, 0.00 v4.0.0
% Syntax : Number of formulae : 5 ( 0 unt; 4 typ; 0 def)
% Number of atoms : 6 ( 2 equ; 0 cnn)
% Maximal formula atoms : 6 ( 6 avg)
% Number of connectives : 9 ( 0 ~; 0 |; 0 &; 4 @)
% ( 0 <=>; 5 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 5 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 2 ( 2 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 3 ( 2 ^; 1 !; 0 ?; 3 :)
% 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(cB,type,
cB: $o ).
thf(x,type,
x: $i ).
thf(cP,type,
cP: $i > $o ).
thf(f,type,
f: $i > $i ).
thf(cADDHYP5,conjecture,
( ( $true
=> ! [Xx0: $i] :
( ( f @ Xx0 )
= Xx0 ) )
=> ( ( ( ( ^ [Xx0: $i] : ( f @ ( f @ Xx0 ) ) )
= ( ^ [Xx0: $i] : Xx0 ) )
=> cB )
=> ( ( cP @ x )
=> cB ) ) ) ).
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