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doc-src/Tutorial/Misc/Itrev.thy
author paulson
Wed, 14 Feb 2001 12:16:32 +0100
changeset 11115 285b31e9e026
parent 5377 efb799c5ed3c
permissions -rw-r--r--
a new theorem from Bryan Ford
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Itrev = Main +
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consts itrev :: 'a list => 'a list => 'a list
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primrec
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"itrev []     ys = ys"
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"itrev (x#xs) ys = itrev xs (x#ys)"
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end
isabelle