doc-src/Intro/bool.thy
author hoelzl
Tue, 17 May 2011 12:22:40 +0200
changeset 42863 b9ff5a0aa12c
parent 32960 69916a850301
permissions -rw-r--r--
add restrict_sigma

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