Tue, 27 Jun 2006 10:09:48 +0200 haftmann added class projection
Tue, 27 Jun 2006 10:09:44 +0200 haftmann slight improvement
Tue, 27 Jun 2006 10:09:39 +0200 haftmann replaced subgraph by project
Sat, 24 Jun 2006 22:54:37 +0200 wenzelm fix/fixes: tuned type constraints;
Sat, 24 Jun 2006 22:25:31 +0200 wenzelm minor tuning of definitions/proofs;
Sat, 24 Jun 2006 22:25:30 +0200 wenzelm fixed translations for _MapUpd: CONST;
Fri, 23 Jun 2006 13:42:19 +0200 nipkow beautification
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