doc-src/Tutorial/Ifexpr/normif
author paulson
Wed, 25 Jul 2001 13:44:32 +0200
changeset 11453 1b15f655da2c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
partial restructuring to reduce dependence on Axiom of Choice

consts normif :: ifex => ifex => ifex => ifex
primrec
"normif (CIF b)    t e = IF (CIF b) t e"
"normif (VIF x)    t e = IF (VIF x) t e"
"normif (IF b t e) u f = normif b (normif t u f) (normif e u f)"