src/HOL/Algebra/abstract/RingHomo.thy
Sun, 21 Mar 2010 17:12:31 +0100 wenzelm standard headers;
Fri, 11 Jul 2008 09:02:23 +0200 haftmann tuned import
Sun, 19 Nov 2006 23:48:55 +0100 wenzelm HOL-Algebra: converted legacy ML scripts;
Thu, 03 Aug 2006 14:57:26 +0200 ballarin Restructured algebra library, added ideals and quotient rings.
Sat, 17 Sep 2005 20:49:14 +0200 wenzelm converted to Isar theory format;
Thu, 28 Nov 2002 10:50:42 +0100 ballarin HOL-Algebra partially ported to Isar.
Fri, 05 Nov 1999 11:14:26 +0100 paulson Algebra and Polynomial theories, by Clemens Ballarin
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