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doc-src/Tutorial/Ifexpr/normif
author wenzelm
Sat, 06 Jan 2001 21:22:35 +0100
changeset 10802 7fa042e28c43
parent 5377 efb799c5ed3c
permissions -rw-r--r--
'cases' / 'induct' method: ?case binding, 'of:' spec;

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)"
isabelle