src/HOL/Algebra/Sylow.thy
2009-03-02 nipkow 2009-03-02 name changes
2008-08-01 ballarin 2008-08-01 Generalised polynomial lemmas from cring to ring.
2008-05-07 berghofe 2008-05-07 Adapted to encoding of sets as predicates
2007-10-23 nipkow 2007-10-23 went back to >0
2007-10-21 nipkow 2007-10-21 Eliminated most of the neq0_conv occurrences. As a result, many theorems had to be rephrased with ~= 0 instead of > 0.
2006-08-03 ballarin 2006-08-03 Restructured algebra library, added ideals and quotient rings.
2005-07-01 nipkow 2005-07-01 prime is a predicate now.
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2004-06-17 paulson 2004-06-17 removal of magmas and semigroups
2004-05-26 paulson 2004-05-26 more group isomorphisms
2004-05-14 paulson 2004-05-14 removal of locale coset
2004-05-06 wenzelm 2004-05-06 tuned document;
2004-04-23 wenzelm 2004-04-23 improved notation;
2004-04-22 wenzelm 2004-04-22 improved notation;
2003-03-18 paulson 2003-03-18 moved Exponent, Coset, Sylow from GroupTheory to Algebra, converting them to the new Group setup. Deleted Ring, Module from GroupTheory Minor UNITY changes