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512 Limit
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 ...
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