Tue, 31 Mar 2015 16:49:41 +0100 | paulson | Merge | changeset | files |
Tue, 31 Mar 2015 16:48:48 +0100 | paulson | rationalised and generalised some theorems concerning abs and x^2. | changeset | files |
Tue, 31 Mar 2015 17:29:44 +0200 | nipkow | added lemmas | changeset | files |
Tue, 31 Mar 2015 15:01:06 +0100 | paulson | Merge | changeset | files |