Discrete Mathematics Quiz

Which of the following is a proposition?

• The Moon is made of green cheese.

• Sit down!

• What time is it?

• x + 1 = 2

Tags

CCSS.RI.1.9

CCSS.RI.6.8

CCSS.RI.8.1

CCSS.RL.11-12.1

CCSS.RL.6.1

What is the symbol for negation in propositional logic?

• ∧

• ¬

• →

• ↔

Which connective is used for conjunction in propositional logic?

• →

• ∧

• ∨

• ¬

What is the proposition that is always true denoted by?

• q

• p

• T

• F

Which of the following is a compound proposition?

• 1+ 0= 1

• Cairo is the capital of Sudan.

• The Moon is made of green cheese.

• x+ 1 = 2

What is the truth value of the negation of proposition p?

• None of the above

• False

• True

• Can't be determined

What is the truth value of the conjunction of propositions p and q?

• Can't be determined

• False

• True

• None of the above

In English, what does 'Exclusive Or' (Xor) mean?

• Either one or both of p and q must be true

• One of p and q must be true, but not both

• Both p and q must be true

• None of the above

What is the converse of the conditional statement 'If I am at home then it is raining'?

• If it is not raining then I am at home

• None of the above

• If I am not at home then it is not raining

• If it is raining then I am at home

What is the truth value of the biconditional proposition p if and only if q?

• False

• True

• Can't be determined

• None of the above