# New post in Supremum-and-infimum

August 1st, 2022

## Find $\bigcap_{n=1}^\infty(0,1/n)=\emptyset$

August 17th, 2022

## Supremum and infimum of $\frac{x}{\sin x}$ on $\left[0,\frac{\pi}{2}\right]$

November 12th, 2020

## The supremum and infimum of the sequence $\{(-1)^n/n^2\}$.

November 20th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

May 19th, 2020

## Min, Max, Infimum, Supremum

January 20th, 2020

April 24th, 2020

August 1st, 2022

## Proving infimum and supremum using epsilon definition.

February 4th, 2020

August 1st, 2022

April 11th, 2020

April 14th, 2020

April 23rd, 2020

August 1st, 2022

## Proof $\sqrt2$ is supremum of $x^2 <2$

November 16th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

August 1st, 2020

## Finding sup, inf, max and min for each sets

September 15th, 2020

August 1st, 2022

## how to prove supremum and infimum

August 15th, 2020

## Find a specific D, f , and g, such that f(x) ≤ g(x) for all x ∈ D, but sup f(x) > inf g(x), x∈D

September 12th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

## When is $\sup(f) \sup (g) = \sup(fg)$?

February 9th, 2020