Fri, 12 May 2000 15:18:55 +0200 paulson nat_diff_split' now called nat_diff_split
Fri, 12 May 2000 15:15:27 +0200 paulson deleted a lot of obsolete arithmetic lemmas
Fri, 12 May 2000 15:14:35 +0200 paulson tidied
Fri, 12 May 2000 15:14:08 +0200 paulson new simprules for nat_case and nat_rec
Fri, 12 May 2000 15:11:42 +0200 paulson tidying, especially to remove zcompare_rls from proofs
Fri, 12 May 2000 15:06:35 +0200 paulson a massive tidy-up
Fri, 12 May 2000 15:05:02 +0200 paulson NatSimprocs is now a theory, not a file
Fri, 12 May 2000 15:02:57 +0200 paulson new theorem one_le_power
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