doc-src/Intro/bool.thy
author wenzelm
Wed, 14 Sep 1994 16:11:19 +0200
changeset 613 f9eb0f819642
parent 105 216d6ed87399
child 32960 69916a850301
permissions -rw-r--r--
removed lookup_const (use Sign.const_type instead);

Bool = FOL +
types 	bool 0
arities bool 	:: term
consts tt,ff	:: "bool"
end