On Wed, Jul 28, 2010 at 11:18 AM, ma...@mendelu.cz <ma...@mendelu.cz> wrote:
>
> On 28 čnc, 09:39, Johannes <dajo.m...@web.de> wrote:
>> > 2.  I wanted to avoid confusion about whether "left" meant "moving
>> > leftward" as opposed to "from the left."
>>
>> +1 here seems to be more presice than just left or right.
>> greatz Johannes
>
> I wonder if the preferred way how to read the limit in some language
> is something like
> "limit of the function f as x moves leftward and approaches a".
>
> I could mistaken, but I think that "limit" and "left" allways means
> limit from the left, left-hand-side limit, etc. I am not fluent in
> English, but despite this fact I think there is no confusion. I have
> never heard on a conferrence somethink like "x moves leftward" for
> limit from the right. Does anybody have another experience?

I am a native English speaker, and have never heard left or right
meaning anything other than the limit *from* the left (negative) or
right (positive) sides. Personally, I'd rather save the keystrokes and
not have to type "from_" every time.

- Robert

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