src/HOL/Algebra/Congruence.thy
13 months ago paulson 2018-06-12 New material from Martin Baillon and Paulo Emílio de Vilhena
14 months ago immler 2018-05-15 move FuncSet back to HOL-Library (amending 493b818e8e10)
14 months ago immler 2018-05-02 added Johannes' generalizations Modules.thy and Vector_Spaces.thy; adapted HOL and HOL-Analysis accordingly
15 months ago paulson 2018-04-18 tidying up including contributions from Paulo Emílio de Vilhena
20 months ago wenzelm 2017-11-26 more symbols;
23 months ago wenzelm 2017-08-18 session-qualified theory imports: isabelle imports -U -i -d '~~/src/Benchmarks' -a;
2017-03-02 ballarin 2017-03-02 Knaster-Tarski fixed point theorem and Galois Connections.
2016-05-26 wenzelm 2016-05-26 isabelle update_cartouches -c -t;
2015-10-10 wenzelm 2015-10-10 isabelle update_cartouches;
2011-08-24 wenzelm 2011-08-24 tuned syntax -- avoid ambiguities;
2011-03-13 wenzelm 2011-03-13 tuned headers;
2010-10-31 ballarin 2010-10-31 Minor reformat.
2010-03-21 wenzelm 2010-03-21 standard headers;
2010-03-21 wenzelm 2010-03-21 slightly more uniform definitions -- eliminated old-style meta-equality;
2010-03-21 wenzelm 2010-03-21 eliminated old constdefs;
2010-02-24 wenzelm 2010-02-24 modernized syntax declarations, and make them actually work with authentic syntax;
2008-12-16 ballarin 2008-12-16 More porting to new locales.
2008-08-01 ballarin 2008-08-01 Generalised polynomial lemmas from cring to ring.
2008-07-29 ballarin 2008-07-29 New theory on divisibility.