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src/HOL/Lex/Prefix.thy
author oheimb
Mon, 27 Apr 1998 19:29:19 +0200
changeset 4836 fc5773ae2790
parent 1476 608483c2122a
child 6675 63e53327f5e5
permissions -rw-r--r--
added option_map_eq_Some via AddIffs

(*  Title:      HOL/Lex/Prefix.thy
    ID:         $Id$
    Author:     Tobias Nipkow
    Copyright   1995 TUM
*)

Prefix = List +

arities list :: (term)ord

defs
        prefix_def     "xs <= zs  ==  ? ys. zs = xs@ys"
end
isabelle