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- Thread starter woundedtiger4
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fzero

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X downward arrow a (is it limit from left)

X upward arrow a (is it limit from right)

?

It's the other way around. Up arrow means increasing value of ##x##, so limit from the left. It's not a common notation, but it is mentioned on wikipedia: http://en.wikipedia.org/wiki/One-sided_limit

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woundedtiger4

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It's the other way around. Up arrow means increasing value of ##x##, so limit from the left. It's not a common notation, but it is mentioned on wikipedia: http://en.wikipedia.org/wiki/One-sided_limit

Thanks

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