Teacher/User Name: DEMO Name:__________________________
Practice Problems
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Period: ________ Date: ____________


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Solve:

1) Write a counterexample
(Hint: Given that means ______):
Yesterday was not Thursday given that today is Sunday.

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2) Write a counterexample
(No hint needed!):
If the dog needs to go out then it is not raining.
3) Write a counterexample
(Hint: Assuming that means _____):
Cathy did not go to the store assuming that today is not Thursday.

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4) Write a counterexample
(No hint needed!):
If frogs do not like snow then Pierce likes football.

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