Thu, 07 Jul 2016 11:46:18 +0200 | wenzelm | more operations; | changeset | files |
Sun, 10 Jul 2016 22:05:18 +0200 | Lars Hupel | tuned | changeset | files |
Sat, 09 Jul 2016 13:26:16 +0200 | haftmann | more lemmas to emphasize {0::nat..(<)n} as canonical representation of intervals on nat | changeset | files |