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when toggle format what by license comment
Feb 24, 2016 at 13:59 answer added Jeff Yelton timeline score: 1
Feb 23, 2016 at 15:01 review Close votes
Mar 3, 2016 at 3:03
Feb 23, 2016 at 14:53 comment added user88055 Sorry, the question was badly formulated, I have rewritten it.
Feb 23, 2016 at 14:52 history edited user88055 CC BY-SA 3.0
added 26 characters in body
Feb 23, 2016 at 14:25 review First posts
Feb 23, 2016 at 14:43
Feb 23, 2016 at 14:22 comment added Laurent Moret-Bailly Think of the case where $Y$ is a point.
Feb 23, 2016 at 14:18 history asked user88055 CC BY-SA 3.0