src/HOL/Quickcheck_Examples/Quickcheck_Lattice_Examples.thy
Wed, 13 Aug 2014 14:57:16 +0200 Andreas Lochbihler Quickcheck_Types is no longer needed due to 51aa30c9ee4e
Fri, 18 Jul 2014 22:16:03 +0200 kleing avoid duplicate fact name
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