Alman
Alman
This following thing is off-topic: I understand the symbol $\subset$ as $\subsetneq$. But, I know that some authors make use of $\subset$ as $\subseteq$. What notation is more accepted or...
> > I understand the symbol ⊂ as ⊊. But, I know that some authors make use of ⊂ as ⊆. > > What notation is more accepted or extended?...
> > @prabau @StevenClontz I have read that part of the book again. > > Let (X,τ) be a T3 (regular is enough) scattered Lindelöf space with countable pseudocharacter. >...
Yeah, I have also thought that "has a $G_{\delta}$ diagonal" could be added when making T534.
Good result. I have just seen these PRs right now, it would have solved a few doubts I had about this space. Funnily enough, I have solved them earlier today,...