Fri, 29 Nov 2019 20:52:28 +0100 wenzelm proper theory context, e.g. for Thm.transfer;
Thu, 28 Nov 2019 18:13:23 +0100 wenzelm more structural integrity;
Fri, 29 Nov 2019 21:29:18 +0100 nipkow tuned
Fri, 29 Nov 2019 17:43:00 +0100 nipkow reduced imports; deleted unusewd minor lemmas for that purpose
Fri, 29 Nov 2019 15:06:04 +0100 nipkow tuned
Fri, 29 Nov 2019 11:04:47 +0100 nipkow reduced imports and removed unused material
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