i need to prove that inf f([0,00))=-1

Printable View

- June 16th 2013, 05:08 AMorirProving infimum
i need to prove that inf f([0,00))=-1

- June 16th 2013, 05:19 AMProve ItRe: Proving infimum
Isn't it because and for all x?

- June 16th 2013, 05:52 AMorirRe: Proving infimum
That is saying (-1) is a lowe bound of the function.

It is something but it does not necesseraly say there is no bigger lower bound (inf).

I need to prove that -1 is the biggest lower bound, and there is no else - June 16th 2013, 06:03 AMPlatoRe: Proving infimum
- June 16th 2013, 08:00 AMorirRe: Proving infimum
I need to solve that without sequences.. Havent learnt that yet..

Is there another way? - June 16th 2013, 08:34 AMPlatoRe: Proving infimum