CookBook/Recipes/TimeLimit.thy
Wed, 18 Mar 2009 18:27:48 +0100 Christian Urban made the Ackermann function example safer and included suggestions from MW
Fri, 13 Mar 2009 12:21:44 +0100 Christian Urban some polishing
Wed, 11 Mar 2009 22:34:49 +0000 Christian Urban polished somewhat the recipes and solutions
less more (0) -10 -3 tip