doc-src/Intro/bool.thy
author krauss
Tue, 02 Aug 2011 11:52:57 +0200
changeset 44014 88bd7d74a2c1
parent 32960 69916a850301
permissions -rw-r--r--
moved recursion combinator to HOL/Library/Wfrec.thy -- it is so fundamental and well-known that it should survive recdef

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