src/HOL/Algebra/Subrings.thy
Thu, 08 Jul 2021 08:42:36 +0200 desharna added opaque_combs and renamed hide_lams to opaque_lifting
Sat, 13 Apr 2019 19:23:47 +0100 paulson Towards a proof of algebraic closure (NB not finished)
Thu, 04 Oct 2018 15:25:47 +0100 paulson updates to Algebra from Baillon and de Vilhena
Thu, 19 Jul 2018 23:23:10 +0200 paulson updated material concerning Algebra
Tue, 03 Jul 2018 11:00:37 +0200 wenzelm more standard headers;
Mon, 02 Jul 2018 14:41:35 +0100 paulson Lots of new algebra theories by Martin Baillon and Paulo Emílio de Vilhena
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