Sun, 14 Feb 2016 16:40:00 +0100 | wenzelm | more explicit dummy proofs; | changeset | files |
Sun, 14 Feb 2016 16:39:43 +0100 | wenzelm | unused; | changeset | files |
Sun, 14 Feb 2016 16:30:27 +0100 | wenzelm | command '\<proof>' is an alias for 'sorry', with different typesetting; | changeset | files |