Mon, 24 Feb 1997 09:46:12 +0100 wenzelm added "_" syntax for dummyT;
Fri, 21 Feb 1997 16:43:04 +0100 wenzelm declared the dummy type;
Fri, 21 Feb 1997 16:35:49 +0100 wenzelm replaced natural by subset;
Fri, 21 Feb 1997 16:35:30 +0100 wenzelm tuned symbolic [|_|] syntax;
Fri, 21 Feb 1997 16:28:00 +0100 wenzelm tuned some chars;
Fri, 21 Feb 1997 15:38:44 +0100 paulson More robust proof (?)
Fri, 21 Feb 1997 15:31:47 +0100 paulson Replaced "flat" by the Basis Library function List.concat
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