Fri, 21 Apr 2017 21:36:49 +0200 wenzelm removed pointless document;
Fri, 21 Apr 2017 21:37:01 +0200 blanchet moved lemmas from AFP to Isabelle
Fri, 21 Apr 2017 21:30:48 +0200 blanchet moved lemmas from AFP to Isabelle
Fri, 21 Apr 2017 21:06:02 +0200 blanchet two new induction principles on multisets
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