Wed, 17 Apr 2019 21:53:45 +0100 | paulson | moved subset_image_inj into Hilbert_Choice | changeset | files |
Wed, 17 Apr 2019 17:48:28 +0100 | paulson | Lindelöf spaces and supporting material | changeset | files |
Tue, 16 Apr 2019 19:50:30 +0000 | haftmann | hierarchically inclusive named theorem collections | changeset | files |
Tue, 16 Apr 2019 19:50:21 +0000 | haftmann | removed unused fact collections | changeset | files |