Wed, 17 Jun 2015 22:06:56 +0200 nipkow tuned
Wed, 17 Jun 2015 20:22:01 +0200 nipkow merged
Wed, 17 Jun 2015 20:21:40 +0200 nipkow added funs and lemmas
Wed, 17 Jun 2015 18:58:46 +0200 wenzelm tuned proofs;
Wed, 17 Jun 2015 18:22:29 +0200 wenzelm merged
Wed, 17 Jun 2015 17:54:09 +0200 wenzelm manual merge;
Wed, 17 Jun 2015 17:52:04 +0200 wenzelm tuned proofs;
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