doc-src/Tutorial/Ifexpr/normal
author wenzelm
Mon, 13 May 2002 10:40:59 +0200
changeset 13141 f4ed10eaaff8
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated X-Symbol URL;

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))"