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References to 'first countable'
1.
$\mathcal{C}^r$ topologies
by
Koro
2.
discrete
by
lalberti
3.
equivalent formulations for continuity
by
matte
4.
first countable implies compactly generated
by
CWoo
5.
hemicompact space
by
karstenb
6.
index of properties of topological spaces
by
rspuzio
7.
limit point
by
mathcam
8.
long line
by
Dr_Absentius
9.
nets and closures of subspaces
by
azdbacks4234
10.
properties of first countability
by
CWoo
11.
relationship among different kinds of compactness
by
rm50
12.
Sorgenfrey line
by
yark
13.
testing for continuity via nets
by
CWoo