2 commits

Author	SHA1	Message	Date
Jeremy Avigad	d9118ded76	feat(library/theories/topology/basic): show that generated topology is initial	2016-01-03 18:52:25 -08:00
Jeremy Avigad	31aa256b99	feat(library/theories/measure_theory/sigma_algebra): start with definition and properties of sigma algebras	2016-01-03 18:52:25 -08:00