Chapter 3: Problem 24
Write the converse, inverse, and contrapositive of each statement. "If it doesn't fit, you must acquit." (lawyer Johnnie Cochran)
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Chapter 3: Problem 24
Write the converse, inverse, and contrapositive of each statement. "If it doesn't fit, you must acquit." (lawyer Johnnie Cochran)
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Write a valid argument on one of the following questions. If you can, write valid arguments on both sides. a. Should the death penalty be abolished? b. Should Roe v. Wade be overturned? c. Are online classes a good idea? d. Should marijuana be legalized? e. Should grades be abolished? f. Should same-sex marriage be legalized?
Translate each argument into symbolic form. Then determine whether the argument is valid or invalid. You may use a truth table or, if applicable, compare the argument's symbolic form to a standard valid or invalid form. (You can ignore differences in past, present, and future tense.) If I am at the beach, then I swim in the ocean. If I swim in the ocean, then I feel refreshed. \(\therefore\) If I am at the beach, then I feel refreshed.
Use a truth table to determine whether the symbolic form of the argument is valid or invalid. $$ \begin{aligned} &p \rightarrow q \\ &\frac{q \rightarrow p}{\therefore p \wedge q} \end{aligned} $$
In Exercises 51-58, translate each argument into symbolic form. Then determine whether the argument is valid or invalid. If it was any of your business, I would have invited you. It is not, and so I did not.
Use the standard forms of valid arguments to draw a valid conclusion from the given premises. If I vacation in Paris, I eat French pastries. If I eat French pastries, I gain weight. Therefore, ...
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