Sun, 11 Sep 2016 00:14:44 +0200 wenzelm tuned proofs;
Sun, 11 Sep 2016 00:14:37 +0200 wenzelm misc tuning and modernization;
Sun, 11 Sep 2016 00:13:25 +0200 wenzelm misc tuning and modernization;
Sat, 10 Sep 2016 14:11:04 +0200 nipkow more simp
Fri, 09 Sep 2016 15:12:40 +0200 nipkow msetsum -> set_mset, msetprod -> prod_mset
Fri, 09 Sep 2016 14:15:16 +0200 nipkow More on balancing; renamed theory to Balance
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