[:dense:] • For a
topological space
$X$
and subset
$A \subseteq X$
, if the
closure
$\bar A$
is equal to
$X$
, then we say that
$A$
is
dense
in
$X$
• Ex:
$\mathbb Q$
is dense in
$\mathbb R$
Referenced by:
29787762068918350480r
85042981267825471457r
compactification
modular-arithmetic