Chapter 3 Logic

This symbol, ∨, means?

• and

• or

• not

• if, then

This symbol, ∧, means?

• and

• or

• not

• if, then

This symbol, →, means?

• and

• or

• if and only if

• if, then

• and

• or

• if and only if

• if... then

Which sentence below is not a statement.

• I went to the store.

• I am going on a run.

• This is the correct answer.

• Don't choose this.

Which sentence below is a statement.

• How many times do I need to tell you?

• Study for the test.

• Do you even want to pass?

• I made the test.

Chose the symbolic representation of the sentence below given that.

p- I ran outside.

q- It is raining.

r- I did not go back inside.

I ran outside if and only if it is not raining

Chose the symbolic representation of the sentence below given that.

p- I ran outside.

q- It is raining.

r- I did not go back inside.

I did go back inside and it is raining

• T F T F

• F F F T

• T F F F

• F T F T

What are the truth values for ~(p ∨ q)

• T T T F

• F F F T

• T F T F

• F T F T