Lebesgue number lemma
= Lebesgue number lemma
{c}
{wiki}
Every open cover of a compact metric space has a number $\delta>0$ such that every subset of diameter less than $\delta$ lies in one member of the cover.
= Lebesgue number lemma
{c}
{wiki}
Every open cover of a compact metric space has a number $\delta>0$ such that every subset of diameter less than $\delta$ lies in one member of the cover.