- #1

- 23

- 0

## Main Question or Discussion Point

Why do we define(by convention) that infimum of an empty set as [tex]\infty[/tex] and supremum as [tex]-\infty[/tex]?

Last edited:

- Thread starter Edwinkumar
- Start date

- #1

- 23

- 0

Why do we define(by convention) that infimum of an empty set as [tex]\infty[/tex] and supremum as [tex]-\infty[/tex]?

Last edited:

- #2

Hurkyl

Staff Emeritus

Science Advisor

Gold Member

- 14,916

- 17

- #3

matt grime

Science Advisor

Homework Helper

- 9,395

- 3

- #4

- 23

- 0

Thanks Hurkyl and matt grime for your replies. Yes I got it now!

- Last Post

- Replies
- 3

- Views
- 2K

- Last Post

- Replies
- 7

- Views
- 2K

- Replies
- 2

- Views
- 4K

- Last Post

- Replies
- 1

- Views
- 2K

- Replies
- 5

- Views
- 707

- Last Post

- Replies
- 1

- Views
- 3K

- Replies
- 12

- Views
- 9K

- Last Post

- Replies
- 4

- Views
- 24K