Set Notation & Venn Diagrams

Front

What is the cardinality of the set A = {14, 16, 18, 20, 22, 24}?

Back

n(A) = 6

Front

What does the symbol ( ⊂ ) represent in set theory?

Back

Subset

Front

Given sets C = {20, 30, 40} and D = {20, 40}, what is C ∩ D?

Back

C ∩ D = {20, 40}

Front

Given sets X = {red, blue, green} and Y = {orange}, what is X ∪ Y?

Back

X ∪ Y = {red, blue, green, orange}

Front

What type of set is denoted as either { } or ∅?

Back

Empty (or Null) Set

Front

Define a Universal Set.

Back

A Universal Set is the set that contains all possible elements for a particular discussion.

Front

What is the intersection of two sets?

Back

The intersection of two sets is the set of elements that are common to both sets.

Front

What is the union of two sets?

Back

The union of two sets is the set of all elements that are in either set.

Front

What does the symbol ( ∩ ) represent in set theory?

Back

Intersection

Front

What does the symbol ( ∪ ) represent in set theory?

Back

Union