Tue, 02 Aug 2022 12:19:05 +0100 paulson The wellordering instantiation for length-ordered lists
Tue, 02 Aug 2022 13:15:59 +0200 nipkow show sum_list defn
Fri, 29 Jul 2022 08:45:51 +0200 nipkow prettified def
Thu, 28 Jul 2022 19:14:49 +0200 haftmann More lemmas.
Thu, 28 Jul 2022 16:50:15 +0200 haftmann Some more proofs.
Thu, 28 Jul 2022 12:33:20 +0100 paulson a few new theorems
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