Tue, 24 Mar 2009 15:55:11 +1100 Timothy Bourke Use assms rather than prems in find_theorems solves.
Mon, 23 Mar 2009 14:29:59 -0700 huffman clean up proofs of sign rules for multiplication; add list of lemmas mult_sign_intros
Mon, 23 Mar 2009 13:26:52 -0700 huffman lemmas add_sign_intros
Mon, 23 Mar 2009 19:01:34 +0100 haftmann merged
Mon, 23 Mar 2009 19:01:17 +0100 haftmann moved Imperative_HOL examples to Imperative_HOL/ex
Mon, 23 Mar 2009 19:01:17 +0100 haftmann corrected variable renaming
Mon, 23 Mar 2009 19:01:16 +0100 haftmann tuned error messages
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