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doc-src/Tutorial/Misc/Last.thy
author oheimb
Fri, 21 Jul 2000 17:46:29 +0200
changeset 9399 effc8d44c89c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
removed weaker variant of subset_insert_iff
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Last = List +
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consts last :: 'a list => 'a
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recdef last "measure (%xs. length xs)"
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    "last [x]      = x"
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    "last (x#y#zs) = last (y#zs)"
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end
isabelle