src/FOL/ex/Natural_Numbers.thy
Tue, 30 Aug 2011 18:12:48 +0200 wenzelm tuned document;
Thu, 09 Jul 2009 22:09:58 +0200 wenzelm removed obsolete CVS Ids;
Fri, 18 Apr 2008 23:49:40 +0200 wenzelm modernized specifications and proofs;
Sun, 27 Jan 2008 20:04:30 +0100 wenzelm tuned;
Fri, 17 Jun 2005 16:12:49 +0200 haftmann migrated theory headers to new format
Mon, 21 Jun 2004 10:25:57 +0200 kleing Merged in license change from Isabelle2004
Wed, 05 Dec 2001 03:06:05 +0100 wenzelm tuned;
Tue, 16 Oct 2001 00:30:53 +0200 wenzelm tuned;
Fri, 12 Oct 2001 12:06:23 +0200 wenzelm tuned;
Fri, 05 Oct 2001 21:42:10 +0200 wenzelm induct: case names;
Thu, 04 Oct 2001 15:29:22 +0200 wenzelm unsymbolized;
Thu, 04 Oct 2001 15:25:31 +0200 wenzelm Theory of the natural numbers: Peano's axioms, primitive recursion.
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