| Thu, 01 Mar 2018 12:24:08 +0100 | wenzelm | clarified syntax: reject formal comments explicitly, instead of ignoring them silently; | changeset | files |
| Wed, 28 Feb 2018 17:05:34 +0100 | immler | merged | changeset | files |
| Wed, 28 Feb 2018 15:53:05 +0100 | immler | generalized lemmas about orthogonal transformation | changeset | files |