src/HOL/ex/Ballot.thy
Tue, 16 Jun 2015 11:31:22 +0200 hoelzl tuned src/HOL/ex/Ballot
Fri, 12 Jun 2015 10:33:02 +0200 bulwahn add examples from Freek's top 100 theorems (thms 30, 73, 77)
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