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when toggle format what by license comment
Aug 31, 2021 at 18:27 history edited Konstantinos Kanakoglou CC BY-SA 4.0
deleted 2 characters in body; edited title
Aug 30, 2021 at 20:46 comment added Konstantinos Kanakoglou In general no, since $A^\circ$ maybe trivial while $B^\circ$ may not.
S Aug 29, 2021 at 21:19 review First questions
Aug 29, 2021 at 21:23
S Aug 29, 2021 at 21:19 history asked Alain Rochefort CC BY-SA 4.0