doc-src/Tutorial/Ifexpr/boolex
author paulson
Wed, 25 Aug 1999 10:45:41 +0200
changeset 7338 b275ae194e5a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new theorem inv_f_eq

datatype boolex = Const bool | Var nat
                | Neg boolex | And boolex boolex