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

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All rights reserved. Copyright 1998 Triple Threat Inc.


1) Write a counterexample:
If the project is due Monday then it is not 1:00 pm.

2) Write a counterexample:
If Darnell loves school then Ralph likes candy.
3) Write a counterexample:
If Helen does not like surfing the web then Tulip does not like surfing the web.

4) Write a counterexample:
If Alexis does not love school then it is 1:00 pm.
5) Write a counterexample:
If Pierce doesn't like candy then Mel does not like surfing the web.

6) Write a counterexample:
If yesterday was Friday then Ann doesn't go to the store.

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