TPTP Problem File: PUZ090^5.p
View Solutions
- Solve Problem
%------------------------------------------------------------------------------
% File : PUZ090^5 : TPTP v9.0.0. Released v4.0.0.
% Domain : Puzzles
% Problem : TPS problem THM210
% Version : Especial.
% English : Lewis Carroll's problem of the winds and windows; from the Ninth
% Paper on Logic, November 1892.
% Refs : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% Source : [Bro09]
% Names : tps_0336 [Bro09]
% : THM210 [TPS]
% Status : Theorem
% Rating : 0.12 v9.0.0, 0.17 v8.2.0, 0.18 v8.1.0, 0.08 v7.4.0, 0.11 v7.3.0, 0.10 v7.2.0, 0.12 v7.1.0, 0.14 v7.0.0, 0.12 v6.4.0, 0.14 v6.3.0, 0.17 v6.2.0, 0.00 v6.1.0, 0.17 v6.0.0, 0.00 v5.3.0, 0.25 v5.2.0, 0.00 v4.0.0
% Syntax : Number of formulae : 14 ( 0 unt; 13 typ; 0 def)
% Number of atoms : 31 ( 0 equ; 0 cnn)
% Maximal formula atoms : 31 ( 31 avg)
% Number of connectives : 37 ( 7 ~; 0 |; 17 &; 0 @)
% ( 0 <=>; 13 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 14 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 13 ( 13 usr; 13 con; 0-0 aty)
% Number of variables : 0 ( 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
% Mellon University. Distributed under the Creative Commons copyleft
% license: http://creativecommons.org/licenses/by-sa/3.0/
%------------------------------------------------------------------------------
thf(cOPEN_WINDOW,type,
cOPEN_WINDOW: $o ).
thf(cEAST,type,
cEAST: $o ).
thf(cRHEUMATIC,type,
cRHEUMATIC: $o ).
thf(cFOGGY,type,
cFOGGY: $o ).
thf(cOPEN_DOOR,type,
cOPEN_DOOR: $o ).
thf(cFLUTE,type,
cFLUTE: $o ).
thf(cSUNSHINE,type,
cSUNSHINE: $o ).
thf(cFIRE,type,
cFIRE: $o ).
thf(cGUSTY,type,
cGUSTY: $o ).
thf(cHEADACHE,type,
cHEADACHE: $o ).
thf(cSMOKES,type,
cSMOKES: $o ).
thf(cCOLD,type,
cCOLD: $o ).
thf(cSMOKE,type,
cSMOKE: $o ).
thf(cTHM210,conjecture,
( ( ( cEAST
=> cSUNSHINE )
& ( ( cCOLD
& cFOGGY )
=> cFLUTE )
& ( ( cFIRE
& cSMOKE )
=> cOPEN_DOOR )
& ( ( cCOLD
& cRHEUMATIC )
=> cFIRE )
& ( ( cEAST
& cGUSTY )
=> cSMOKES )
& ( cOPEN_DOOR
=> ~ cHEADACHE )
& ( cFOGGY
=> ~ cOPEN_WINDOW )
& ( ( ~ cGUSTY
& cFIRE
& ~ cOPEN_DOOR )
=> ~ cRHEUMATIC )
& ( cSUNSHINE
=> cFOGGY )
& ( cFLUTE
=> ~ cOPEN_DOOR )
& ( ( cFOGGY
& cEAST )
=> cRHEUMATIC ) )
=> ( cEAST
=> ~ cOPEN_WINDOW ) ) ).
%------------------------------------------------------------------------------