2 ms·
> denote the direct sum of an indexed family. Indeed he says so, but yes he keeps using E ∐ F Why is the direct sum of an indexed family different in terms of
by nextaccountic 4y ago
> denote the direct sum of an indexed family.
Indeed he says so, but yes he keeps using E ∐ F
Why is the direct sum of an indexed family different in terms of commutativity?
- bmacho 4y agoThe direct sum of an indexed family is not a function of two variables, so it is meaningless to talk about its commutativity.