src/HOL/Library/Perm.thy
Sun, 01 Nov 2020 16:54:49 +0100 haftmann bundle mixins for locale and class specifications
Fri, 25 Sep 2020 14:11:48 +0100 paulson fixed some remarkably ugly proofs
Fri, 14 Jun 2019 08:34:27 +0000 haftmann using (*)-syntax for partially applied infix is fine, contrary to ancient op-syntax
Thu, 07 Jun 2018 19:36:12 +0200 nipkow utilize 'flip'
Wed, 10 Jan 2018 15:25:09 +0100 nipkow ran isabelle update_op on all sources
Tue, 17 Jan 2017 13:59:10 +0100 wenzelm isabelle update_cartouches -c -t;
Sun, 02 Oct 2016 14:37:50 +0200 wenzelm eliminated hard tabs;
Fri, 22 Jul 2016 11:00:43 +0200 wenzelm tuned proofs -- avoid unstructured calculation;
Fri, 22 Jul 2016 08:02:37 +0200 wenzelm tuned proofs -- avoid improper use of "this";
Mon, 11 Jul 2016 10:43:27 +0200 wenzelm tuned;
Mon, 04 Jul 2016 19:46:20 +0200 haftmann basic facts about almost everywhere fix bijections
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