Sun, 03 Nov 2019 10:29:01 +0000 | paulson | merged | changeset | files |
Sat, 02 Nov 2019 21:42:45 +0000 | paulson | moved line segments to Convex_Euclidean_Space | changeset | files |
Sat, 02 Nov 2019 23:43:08 +0100 | wenzelm | proper theory for export_proofs; | changeset | files |