Using an extended PROLOG to solve the lion and unicorn puzzle
Keyword(s):
2011 ◽
Vol 12
(1-2)
◽
pp. 127-156
◽
Keyword(s):
1988 ◽
Vol 4
(4)
◽
pp. 353-380
◽
1991 ◽
pp. 101-108
◽