Intro Ch 3 Review

Select all of the sentences that are statements.

• Please form a single-file line.

• If you do your homework, then you will be prepared for the test.

• What time is it?

• We will either go to the mall or we will go to the zoo.

• The speed limit on this road is 55 mi/hr.

If p is true and q is false, find the truth value of:

q ∨ p

• true

• false

If p is true and q is false, find the truth value of:

q ∧ p

• true

• false

If p is true and q is false, find the truth value of:
~q ∧ p

• true
• false

If p is false and q is true, find the truth value of:
~(~p ∨ q)

• true
• false

If p is false and q is true, find the truth value of:

p→q

• true

• false

If p is false and q is true, find the truth value of:

q→p

• true

• false

Given: If I have a Siberian Husky, then I have a dog
Identify the contrapositive

• If I do not have a Siberian Husky, then I do not have a dog
• If I do not have a dog, then I do not have a Siberian Husky.
• If I have a dog, then I have a Siberian Husky
• If I have a dog, then I don't have a Siberian Husky

Original: If Emily is not late to class, then she will not be marked tardy.
What is this? If Emily is late to class, then she will be marked tardy.

• Converse
• Inverse
• Contrapositive
• Negation

Given, "If angles are congruent, then the measures of the angles are equal." Identify the converse.

• If the measures of the angles are equal, then the angles are congruent.
• "If angles are not congruent, then the measures of the angles are not equal."
• If the measures of the angles are not equal, then the angles are not congruent.
• If the angles are not congruent, then the measure of the angles are equal.