Sat, 12 May 2012 20:54:00 +0100 added a lemma about composition and permutations
Christian Urban <urbanc@in.tum.de> [Sat, 12 May 2012 20:54:00 +0100] rev 3167
added a lemma about composition and permutations
Tue, 01 May 2012 12:16:04 +0100 merged
Christian Urban <urbanc@in.tum.de> [Tue, 01 May 2012 12:16:04 +0100] rev 3166
merged
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