Fri, 15 Mar 2019 12:27:12 +0000 | Chengsong | :test whether bsimp(bders(r, s)) == ders_simp(r,s) | changeset | files |
Fri, 15 Mar 2019 10:46:46 +0000 | Chengsong | removing PRED | changeset | files |
Wed, 13 Mar 2019 15:27:09 +0000 | Chengsong | more comments | changeset | files |