2010-02-08 haftmann 2010-02-08 moved auxiliary lemmas to more appropriate places
2010-02-05 haftmann 2010-02-05 more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS
2009-11-13 nipkow 2009-11-13 renamed lemmas "anti_sym" -> "antisym"
2009-11-11 paulson 2009-11-11 Added two new lemmas
2009-10-28 paulson 2009-10-28 New theory Probability, which contains a development of measure theory
2009-10-27 paulson 2009-10-27 New theory SupInf of the supremum and infimum operators for sets of reals.