06/21/2008, 07:27 PM

bo198214 Wrote:Whatever, but is a variable so you can regard as a set in this sense but not or as it depends on or respectively.

I have to read into this , but category theory deals with variable sets. ( I do not know if this is applicable, but seems so).

There is an article in web by Prof. Bell "Abstract and variable sets in category theory".

Quote:Unfortunately its not that easy, e.g:

Thanks for correction. Anyway first differential and separated further derivatives show that there is a difference by which of x such function is differentiated, and these impact in growth speed can be separated in principle.