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doc-src/Tutorial/Recdef/last
author oheimb
Mon, 25 Feb 2002 18:02:22 +0100
changeset 12934 6003b4f916c0
parent 6100 40d66bc3e83f
permissions -rw-r--r--
Clarification wrt. use of polymorphic variants of Hoare logic rules
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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)"
isabelle