Thu, 05 Jan 2017 14:49:21 +0100 | haftmann | lead_coeff is more appropriate as abbreviation | changeset | files |
Thu, 05 Jan 2017 09:24:07 +0100 | haftmann | more lemmas; | changeset | files |
Thu, 05 Jan 2017 17:10:13 +0000 | paulson | covering space lift lemmas | changeset | files |