--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc-src/Tutorial/Ifexpr/normal	Wed Aug 26 17:27:27 1998 +0200
@@ -0,0 +1,6 @@
+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))"