Quantitative Algebra (5/13)

Intersection "and"

Union "or"

Intersection "and"

Union "or"

Intersection of set A and set B

Union of set A and set B

Universal set

Neither set A nor set B

Intersection of set A and set B

Union of set A and set B

Universal set

Neither set A nor set B

The set of all elements that are both in set A and in set B.

The set of elements that are in either set A or set B.

The set of elements that are in set A, but not in set B.

The set of elements that are in set B, but not in set A.

A ∪ B

A¹ ∪ B¹

A Ո B

A¹ Ո B¹

30

15

20

25

20

10

5

45

{5, 9}

{1, 4, 5, 6, 9}   

{1, 4, 5, 5, 6, 9, 9}

{1, 4, 5, 9}

{ 1, 2, 3 }

{ 4, 5, 6 }

{ 7,8, 9 }

{ }

{1,3,4,5,7,8,9,11}

{1,2,3,5,6,8,9,11,12}

{3,5,9}

{3}

{3}

{2,3,4,5,6,7,9,12}

{3,9}

{3,5,9}