Mon, 02 Feb 2004 12:23:46 +0100 paulson Conversion of HyperNat to Isar format and its declaration as a semiring
Thu, 29 Jan 2004 16:51:17 +0100 paulson simplifications in the hyperreals
Wed, 28 Jan 2004 17:01:01 +0100 paulson tidying up arithmetic for the hyperreals
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip