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doc-src/Tutorial/Misc/Last.thy
author paulson
Mon, 09 Apr 2001 10:11:59 +0200
changeset 11242 81fe09ce5fc9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
lexicographic product of two relations: updated HOL.tex Also automatic updates by xemacs

Last = List +
consts last :: 'a list => 'a
recdef last "measure (%xs. length xs)"
    "last [x]      = x"
    "last (x#y#zs) = last (y#zs)"
end
isabelle