| Fri, 12 Feb 2016 16:09:07 +0100 | hoelzl | moved more proofs to ordered_comm_monoid_add; introduced strict_ordered_ab_semigroup/comm_monoid_add | changeset | files |
| Wed, 10 Feb 2016 18:43:19 +0100 | hoelzl | Rename ordered_comm_monoid_add to ordered_cancel_comm_monoid_add. Introduce ordreed_comm_monoid_add, canonically_ordered_comm_monoid and dioid. Setup nat, entat and ennreal as dioids. | changeset | files |
| Tue, 09 Feb 2016 09:21:10 +0100 | hoelzl | add extended nonnegative real numbers | changeset | files |