Re: [微積] 微積分有關極限的證明
※ 引述《yosifu ()》之銘言：
: Without using any negative words,
: state what it means to say that the limit of f(x),
: as x approaches a, is not L.
Orginal statement:
For all ε>0, there is δ > 0 so that |f(x) - L| < ε
whenever 0 < |x - a| < δ.
Negation of the original statement:
There is ε > 0, for all δ > 0 so that |f(x) - L| >= ε
whenever 0 < |x - a| < δ.
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