L3 (Math): Sets

Question 1

_____ is an element of the set.

Answer 1

object

Question 2

A _____ set’s elements are possible to be listed down.

Answer 2

finite

Question 3

A finite set can have no elements. True or False?

Answer 3

True

Question 4

The number of elements contained in a set.

Answer 4

Cardinality

Question 5

A set may be represented by a _________.

Answer 5

Venn Diagram

Question 6

All operations on sets are binary except for?

Answer 6

Complement

Question 7

_____ sets have no common elements.

Answer 7

Disjoint

Question 8

In finite sets, there is 1-1 correspondence when?

Answer 8

Exactly one element of A corresponds to one element of B and vice versa; the sets have the same number of elements

Question 9

Finite sets can be placed in a 1-1 correspondence with the proper subset of _______.

Answer 9

Natural numbers

Question 10

The cardinality of infinitely countable sets

Answer 10

aleph null

Question 11

The smallest infinite cardinality

Answer 11

aleph null

Question 12

An infinite set is countable if it has a ______

Answer 12

1-1 correspondence or bijective function to its proper subset