doc-src/Tutorial/Ifexpr/normal
author wenzelm
Wed, 05 Dec 2001 03:07:44 +0100
changeset 12372 cd3a09c7dac9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned declarations;

consts normal :: ifex => bool
primrec
"normal(CIF b) = True"
"normal(VIF x) = True"
"normal(IF b t e) = (normal t & normal e &
      (case b of CIF b => True | VIF x => True | IF x y z => False))"