doc-src/Tutorial/Ifexpr/norm
author paulson
Thu, 12 Oct 2000 12:15:59 +0200
changeset 10196 4d1af711cf7b
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new I-rules r_into_rtrancl, r_into_trancl and a simpler proof
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consts norm :: ifex => ifex
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primrec
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"norm (CIF b)    = CIF b"
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"norm (VIF x)    = VIF x"
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"norm (IF b t e) = normif b (norm t) (norm e)"