Logic quiz

Which mathematician was one of the first to make a serious study of symbolic logic?

• Isaac Newton

• Gottfried Wilhelm Leibniz

• George Boole

• Augustus De Morgan

What is the basic building block of logic?

• Opinion

• Question

• Command

• Proposition

What is the negation of the statement 'All mammals require sleep'?

• No mammal requires sleep

• Some mammals require sleep

• There is at least one mammal that does not require sleep

• All mammals require sleep

What is the truth value of a proposition denoted as 'F'?

• Unknown

• True

• Both true and false

• False

What is the symbol used to represent the conjunction in propositional logic?

• →

• ∼

• ⋁

• ⋀

What is the contrapositive of the statement 'If the temperature drops below freezing point, then the rain will turn to snow'?

• If the temperature drops below freezing point, then the rain will not turn to snow

• If the temperature did not drop below freezing point, then the rain will turn to snow

• If the rain turns to snow, then the temperature did not drop below freezing point

• If the rain does not turn to snow, then the temperature did not drop below freezing point

What is the biconditional statement equivalent to 'If I go, then I paid ₱150.00'?

• I did not go and did not pay ₱150.00

• If I go, then I did not pay ₱150.00

• If I did not go, then I paid ₱150.00

• I went and paid ₱150.00

Which statement is logically equivalent to 'All good people go to heaven'?

• Some people who go to heaven are good

• Some good people go to heaven

• All people who go to heaven are good

• No good people go to heaven

What is the contrapositive of the statement 'If there is no oxygen, then the candle will go out'?

• If the candle goes out, then there is oxygen

• If the candle goes out, then there is no oxygen

• If the candle does not go out, then there is oxygen

• If there is oxygen, then the candle will go out

Which statement is true about the biconditional 'x > 7 iff x > 6'?

• True

• False

• Partially true

• Can't be determined