Mon, 02 Oct 2006 17:29:42 +0200 paulson Now checks explicitly for Trueprop, thereby ignoring junk theorems involving OF_CLASS, etc.
Sun, 01 Oct 2006 22:19:24 +0200 wenzelm exists_name: include this theory name;
Sun, 01 Oct 2006 22:19:23 +0200 wenzelm removed obsolete Datatype_Universe.thy (cf. Datatype.thy);
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