512 Limit
by EngliSea on 2020-07-17
ᐥf(x) tends to the limit L as x tends to a if and only if for every ε>0 there exists a δ>0 such that
0<|x−a|<δ ⇒ |f(x)−L|<ε.
┆｢f(x) Ƚx￫a｣ = L┆
ᐥ
