8/13/2019 Form 4 Mathematics Chapter 3

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Chapter 3: Sets

Concept of Set

Set : Collection or group of objects

A = {1,4,5,7,8}

: is an element of

: is not an element of

Venn diagram

n(A) : The number of element in set A

or { } : Empty set

Subset, Universal Set and the Compliment of a Set

: Subset

: Not a subset

Form 4 Mathematics

Chapeter 3: Sets

8/13/2019 Form 4 Mathematics Chapter 3

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8/13/2019 Form 4 Mathematics Chapter 3

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Examples

ABA

ABB

If AB, then AB = A

Examples

AAB

BAB

If AB, then AB = B

Form 4 Mathematics

Chapeter 3: Sets