doc-src/Tutorial/Ifexpr/bool2if
author wenzelm
Thu, 21 Feb 2002 18:19:34 +0100
changeset 12916 4ac388e02b74
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated title;

consts bool2if :: boolex => ifex
primrec
"bool2if (Const b) = CIF b"
"bool2if (Var x)   = VIF x"
"bool2if (Neg b)   = IF (bool2if b) (CIF False) (CIF True)"
"bool2if (And b c) = IF (bool2if b) (bool2if c) (CIF False)"