doc-src/Tutorial/Ifexpr/normif
author wenzelm
Thu, 01 Jul 1999 17:41:16 +0200
changeset 6872 b250da153b1e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed backtracking of global_qed;

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)"