| Wed, 20 May 2020 22:07:41 +0200 | wenzelm | clarified signature; | changeset | files |
| Wed, 20 May 2020 20:45:43 +0200 | wenzelm | clarified modules; | changeset | files |
| Wed, 20 May 2020 15:00:25 +0100 | paulson | A few new theorems, plus some tidying up | changeset | files |