| Tue, 12 Jan 2016 11:48:43 +0100 | wenzelm | eliminated old defs; | changeset | files |
| Tue, 12 Jan 2016 00:18:43 +0100 | wenzelm | clarified axiomatization versus definitions; | changeset | files |
| Mon, 11 Jan 2016 22:34:20 +0100 | wenzelm | eliminated old defs; | changeset | files |