| changeset 16417 | 9bc16273c2d4 |
| parent 14981 | e73f8140af78 |
| child 25989 | 3267d0694d93 |
--- a/src/FOL/ex/Natural_Numbers.thy Fri Jun 17 11:35:35 2005 +0200 +++ b/src/FOL/ex/Natural_Numbers.thy Fri Jun 17 16:12:49 2005 +0200 @@ -5,7 +5,7 @@ header {* Natural numbers *} -theory Natural_Numbers = FOL: +theory Natural_Numbers imports FOL begin text {* Theory of the natural numbers: Peano's axioms, primitive recursion.