Fri, 24 Feb 2012 22:46:44 +0100 haftmann moved predicate relations and conversion rules between set and predicate relations from Predicate.thy to Relation.thy; moved Predicate.thy upwards in theory hierarchy
Fri, 24 Feb 2012 22:46:16 +0100 haftmann explicit is better than implicit
Fri, 24 Feb 2012 18:46:01 +0100 haftmann dropped dead code
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