# Set Theory Help - Simple Question

• December 3rd 2008, 09:58 AM
snox01
Set Theory Help - Simple Question
I have got the following question

(AUC)'\(CnD)

What does the \ mean?

Tried googling cant find it
• December 3rd 2008, 10:07 AM
snox01
Sorry Wrong section
• December 3rd 2008, 10:10 AM
Plato
Quote:

Originally Posted by snox01
I have got the following question
(AUC)'\(CnD) What does the \ mean?

It us used as 'set minus': $A\backslash B = A \cap B^c$.
• December 3rd 2008, 10:33 AM
snox01
Is that where B^c is the complement of B
• December 3rd 2008, 10:51 AM
Moo
Quote:

Originally Posted by snox01
Is that where B^c is the complement of B

Yes.

Wikipedia gives some writings about the \ operation : Set (mathematics) - Wikipedia, the free encyclopedia and Complement (set theory - Wikipedia, the free encyclopedia)