Math Ch 1

Question 1

What is a conjunction?

Answer 1

Two statements formed using “and”.

True only if both statements are true.

Question 2

What is a disjunction?

Answer 2

Two statements formed using “or”.

True if any of the statements are true.

Question 3

A set?…

Answer 3

Is a collection of objects or numbers in a group.

Question 4

An object in a set is…

Answer 4

An element.

Question 5

Number of elements in a set is written as…

Answer 5

n(A)=x

Question 6

represents

Answer 6

Such that

Question 7

{} is read as

Answer 7

The set of

Question 8

€ is read as

Answer 8

Is a member of/is in the set of

Question 9

Universal set..

Answer 9

Largest set. Contains all elements relevant to the problem.

Question 10

Subset

Answer 10

Set that contains some t all or none of the elements from another set.

Flat C means subset
E (is in) U

Question 11

Empty set

Answer 11

Contains no elements.

Shown as a circle with a line through it.

Question 12

Complement of a set

Answer 12

A set the opposite of any set.
A’
All elements not in a set that are in the universal set

Question 13

Intersection of sets

Answer 13

A AND B
A (A sign) B

All elements in common. Shared elements.

Question 14

Disjoint.

Answer 14

No sets in common.

Question 15

Find X with two circle Venn diagram equation.

Answer 15

(A-x)+(x)+(B-x)+c=total

Question 16

Union of a set.

Answer 16

AUB

Everything possible. All possible elements in set A or B. Everything those sets are touching.