src/HOL/Algebra/IntRing.thy
2007-01-12 ballarin 2007-01-12 Reverted to structure representation with records.
2006-12-22 ballarin 2006-12-22 Experimenting with interpretations of "definition".
2006-10-16 ballarin 2006-10-16 Order and lattice structures no longer based on records.
2006-08-03 ballarin 2006-08-03 Restructured algebra library, added ideals and quotient rings.