src/HOL/Nonstandard_Analysis/HyperNat.thy
Tue, 01 Nov 2016 01:04:53 +0100 wenzelm tuned;
Tue, 01 Nov 2016 00:44:24 +0100 wenzelm misc tuning and modernization;
Mon, 29 Feb 2016 22:34:36 +0100 wenzelm clarified session;
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