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Logic ★★

Checkpoint: Proof Methods

Practice direct proof, counterexamples, induction, contrapositive reasoning, contradiction, and proof by cases.

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Question 1 / 10

To prove "the sum of two even numbers is even", which notation starts correctly?

a=2p+1

and

b=2q

a=p/2

and

b=q/2

a=2p

and

b=2q

a=b

Submit to see the correction

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