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doc-src/Tutorial/Ifexpr/norm
author wenzelm
Thu, 24 Jan 2002 22:42:14 +0100
changeset 12847 afa356dbcb15
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed subgoal_tac; fails on non-existent subgoal;

consts norm :: ifex => ifex
primrec
"norm (CIF b)    = CIF b"
"norm (VIF x)    = VIF x"
"norm (IF b t e) = normif b (norm t) (norm e)"
isabelle