6 Commits (e20613901f80f7bd655ffc26527fedf8b4134ca4)

Author	SHA1	Message	Date
Jon Eugster	07b140acf7	levels	3 years ago
Jon Eugster	404f346920	set theory levels	3 years ago
Jon Eugster	d4c3d90e9b	level names	3 years ago
Jon Eugster	96ec872f49	levels.	3 years ago
Jon Eugster	d2be90a8a0	bump mathlib and use Even/Odd.	3 years ago
Jon Eugster	87f943a08c	levels: negation, nat-basics	4 years ago