Qfunny

of 5 2 points

P AND Q is true only when?

A P is true OR Q is true B Both P and Q are false C Both P and Q are true D P is false and Q is true

of 5 2 points

What is the negation of "All cats are black"?

A Some cats are black B No cats are black C At least one cat is not black D All cats are not black

of 5 2 points

P OR Q is false only when?

A Both P and Q are true B P is true C Both P and Q are false D Q is true

of 5 2 points

What does "if P then Q" (P→Q) mean?

A P implies Q B P equals Q C P and Q are both true D Q implies P

of 5 2 points

A tautology is a statement that is always?

A True B Undefined C Sometimes true D False

Mathematical Logic