most recent 30 from http://mathoverflow.net 2013-05-23T05:03:37Z http://mathoverflow.net/feeds/user/23311 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/95495/open-subgroups-of-free-pro-c-groups/95498#95498 Pavel Zalesskii 2012-04-29T11:01:05Z 2012-04-29T11:01:05Z

<p>No, it does not hold if $C$ is a class of finite nilpotent groups.</p>