3 commits

Author	SHA1	Message	Date
Floris van Doorn	68345f75ce	move more and update after changes	2018-09-11 19:24:51 +02:00
Jeremy Avigad	c74779959a	base subgroups on sets and unbundle	2017-08-17 17:07:10 -04:00
Jeremy Avigad	e4f4536080	add logic and some facts about sets	2017-03-31 16:36:35 -04:00