stellapi-lovesmath:

The PROPER definition of limits from M. Spivak’s Calc. book (the greatest of the Calc books)!
If you don’t use delta and epsilon in your limits, you aren’t actually doing limits.

stellapi-lovesmath:

The PROPER definition of limits from M. Spivak’s Calc. book (the greatest of the Calc books)!

If you don’t use delta and epsilon in your limits, you aren’t actually doing limits.

(Source: stelly-themathcat)