src/HOL/W0/Maybe.thy
Fri, 10 Oct 1997 19:02:28 +0200 wenzelm fixed dots;
Mon, 22 Sep 1997 17:31:57 +0200 wenzelm tuned pattern syntax;
Fri, 17 Jan 1997 16:58:59 +0100 nipkow Incorporated Larry's changes.
Fri, 17 Jan 1997 13:21:54 +0100 nipkow This is the old version og MiniML for the monomorphic case.
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