TPTP Problem File: NUM826^5.p
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% File : NUM826^5 : TPTP v9.0.0. Released v4.0.0.
% Domain : Number Theory (Induction on naturals)
% Problem : TPS problem from IND-THMS
% Version : Especial.
% English :
% Refs : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% Source : [Bro09]
% Names : tps_1131 [Bro09]
% Status : Theorem
% Rating : 0.88 v9.0.0, 0.90 v8.2.0, 1.00 v8.1.0, 0.91 v7.5.0, 1.00 v5.2.0, 0.80 v4.1.0, 0.67 v4.0.0
% Syntax : Number of formulae : 7 ( 0 unt; 6 typ; 0 def)
% Number of atoms : 15 ( 3 equ; 0 cnn)
% Maximal formula atoms : 15 ( 15 avg)
% Number of connectives : 64 ( 0 ~; 0 |; 15 &; 40 @)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 19 ( 19 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 7 ( 7 >; 0 *; 0 +; 0 <<)
% Number of symbols : 7 ( 6 usr; 2 con; 0-2 aty)
% Number of variables : 15 ( 0 ^; 15 !; 0 ?; 15 :)
% 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(cG,type,
cG: $i > $i ).
thf(cQ,type,
cQ: $i > $o ).
thf(cP,type,
cP: $i > $o ).
thf(cF,type,
cF: $i > $i > $i ).
thf(cA,type,
cA: $i ).
thf(cB,type,
cB: $i ).
thf(cTHM622_pme,conjecture,
( ( ( cP @ cA )
& ( cQ @ cB )
& ! [Xx: $i,Xy: $i] :
( ( ( cP @ Xx )
& ( cQ @ Xy ) )
=> ( cQ @ ( cF @ Xx @ Xy ) ) )
& ! [Xx: $i,Xy: $i] :
( ( ( cQ @ Xx )
& ( cP @ Xy ) )
=> ( cP @ ( cF @ Xx @ Xy ) ) )
& ! [Xp: $i > $o,Xq: $i > $o] :
( ( ( Xp @ cA )
& ( Xq @ cB )
& ! [Xx: $i,Xy: $i] :
( ( ( Xp @ Xx )
& ( Xq @ Xy ) )
=> ( Xq @ ( cF @ Xx @ Xy ) ) )
& ! [Xx: $i,Xy: $i] :
( ( ( Xq @ Xx )
& ( Xp @ Xy ) )
=> ( Xp @ ( cF @ Xx @ Xy ) ) ) )
=> ( ! [Xx: $i] :
( ( cP @ Xx )
=> ( Xp @ Xx ) )
& ! [Xx: $i] :
( ( cQ @ Xx )
=> ( Xq @ Xx ) ) ) )
& ( ( cG @ cA )
= cB )
& ( ( cG @ cB )
= cA )
& ! [Xx: $i,Xy: $i] :
( ( cG @ ( cF @ Xx @ Xy ) )
= ( cF @ ( cG @ Xx ) @ ( cG @ Xy ) ) ) )
=> ! [Xx: $i] :
( ( cP @ Xx )
=> ( cQ @ ( cG @ Xx ) ) ) ) ).
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