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doc-src/Tutorial/Misc/Last.thy
author wenzelm
Fri, 14 Jun 2002 13:24:32 +0200
changeset 13213 833ffcb2e92d
parent 5377 efb799c5ed3c
permissions -rw-r--r--
IsarTut;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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