# MATH Sets and Venn Diagrams revision

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• Created by: Sofy
• Created on: 16-04-16 12:06
How are sets written?
letter and the brackets e.g. A={2,4,6,8,10}
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What does A∩B mean?
intersection- all the objects that belong to set A and set B
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What does A∪B mean?
union- objects that belong to set A or set B (both)
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What does a∈A mean?
element of (membership of set A) e.g. If set A={a,b,c,d,e,f,g}, then a∈A.
4 of 7
What does C^1 mean?
Every object that isn't in set C- what is not in set C
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What does A∩B^1 mean?
Elements in A and are not in B
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What does A∪B^1 mean?
EVERY element in A plus the ones that aren't in B
7 of 7

## Other cards in this set

### Card 2

#### Front

What does A∩B mean?

#### Back

intersection- all the objects that belong to set A and set B

### Card 3

#### Front

What does A∪B mean?

### Card 4

#### Front

What does a∈A mean?

### Card 5

#### Front

What does C^1 mean?

#### Back

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Use of   ^1 instead of '...not useful

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