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Sets
A set is a collection of elements or numbers or objects, represented within the curly brackets { }. For example: {1,2,3,4} is a set of numbers. There are three forms in which we can represent the sets. They are: Statement form: A set of even number less than 20 Roster form: A = {2,4,6,8,10,12,14,16,18} Set builder form: A = {x: x=2n, n ∈ N and 1 ≤ n ≤ 20}
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Definition of Sets
02:18
What is a Subset?
02:41
Subsets, Proper Subsets and Supersets
03:36
Introduction TO Set Theory
16:38
Set Builder Notation and Roster Method
14:41
Union and Intersection of Set
11:49
SET OPERATIONS
06:57
Examples on Set Operations
08:07
Subsets and Power Sets
15:01
Examples on Set and Power Set
04:44
How to Proof Set Theory
16:30
Some Exercises in Sets and Subsets
07:48
Venn Diagrams
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Construct a Venn Diagram with 2 Sets
03:06
Construct a Venn Diagram with 3 Sets
04:19
Use the Venn Diagram to Find Information 2 Sets
07:29
Application Venn Diagram 2 Sets
Application Venn Diagram 3 Sets
09:15
Sets
About Lesson

The union of two sets contains all the elements contained in either set (or both sets).

The union is notated A ⋃ B.

More formally, x ∊ A ⋃ B if x ∊ A or x ∊ B (or both)

The intersection of two sets contains only the elements that are in both sets.

The intersection is notated A ⋂ B.

More formally, x ∊ A ⋂ B if x ∊ A and x ∊ B

The complement of a set A contains everything that is not in the set A.

The complement is notated A’, or Ac

 

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