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 |
Fri, 08 Jul 2016 23:43:11 +0200 | haftmann | avoid to hide equality behind (output) abbreviation | changeset | files |
Fri, 08 Jul 2016 23:43:11 +0200 | haftmann | default rule for single-step reasoning | changeset | files |