| Thu, 05 Jan 2017 16:03:23 +0000 | paulson | New theory of arcwise connected sets and other new material | changeset | files |
| Thu, 05 Jan 2017 15:03:37 +0000 | paulson | connectedness, circles not simply connected , punctured universe | changeset | files |
| Thu, 05 Jan 2017 14:18:24 +0000 | paulson | New material about path connectedness, etc. | changeset | files |
| Wed, 04 Jan 2017 21:28:33 +0100 | haftmann | tuned NEWS | changeset | files |
| Wed, 04 Jan 2017 21:28:29 +0100 | haftmann | reworked to provide auxiliary operations Euclidean_Algorithm.* to instantiate gcd etc. for euclidean rings | changeset | files |
| Wed, 04 Jan 2017 21:28:29 +0100 | haftmann | moved euclidean ring to HOL | changeset | files |
| Wed, 04 Jan 2017 21:28:28 +0100 | haftmann | reshaped euclidean semiring into hierarchy of euclidean semirings culminating in uniquely determined euclidean divion | changeset | files |