src/HOL/Algebra/abstract/Ring2.thy
Sun, 19 Nov 2006 23:48:55 +0100 wenzelm HOL-Algebra: converted legacy ML scripts;
Sat, 18 Nov 2006 00:20:24 +0100 haftmann dvd_def now with object equality
Thu, 03 Aug 2006 14:57:26 +0200 ballarin Restructured algebra library, added ideals and quotient rings.
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