src/Sequents/LK/Nat.thy
changeset 58889 5b7a9633cfa8
parent 55380 4de48353034e
child 60770 240563fbf41d
--- a/src/Sequents/LK/Nat.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/Sequents/LK/Nat.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1999  University of Cambridge
 *)
 
-header {* Theory of the natural numbers: Peano's axioms, primitive recursion *}
+section {* Theory of the natural numbers: Peano's axioms, primitive recursion *}
 
 theory Nat
 imports "../LK"