Skip to main content
4 events
when toggle format what by license comment
Nov 12, 2020 at 9:42 comment added Fedor Petrov @bof Yes, I had a feeling that I have seen this already, but to find a reference was much harder than to remember and type a proof.
Nov 12, 2020 at 4:09 comment added bof The same question was asked )and got a similar answer) a couple years ago on math.se.
Nov 11, 2020 at 22:35 history edited darij grinberg CC BY-SA 4.0
added 1 character in body
Nov 11, 2020 at 21:36 history answered Fedor Petrov CC BY-SA 4.0