Thu, 15 Feb 2001 16:00:44 +0100 oheimb simplified proof of Least_mono
Thu, 15 Feb 2001 16:00:42 +0100 oheimb added wellorder axclass
Thu, 15 Feb 2001 16:00:40 +0100 oheimb moved inv_image to Relation
Thu, 15 Feb 2001 16:00:38 +0100 oheimb moved wf_less from Nat.ML to NatDef.ML
Thu, 15 Feb 2001 16:00:36 +0100 oheimb added nat as instance of new wellorder axclass
Thu, 15 Feb 2001 16:00:35 +0100 oheimb Ord.thy/.ML converted to Isar
Thu, 15 Feb 2001 15:56:51 +0100 oheimb added trial proof
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