Sample Quiz #1
1. What is a logical argument?
2. List 2 premise indicator words and 2 conclusion indicator
words.
3. Which of the following is an argument:
a. “All dogs are reptiles; Fido is a dog; therefore, Fido is
a reptile.” B. “Go to your room, because you have been bad, and all bad persons
must go to their rooms.” C. “Water
freezes at 32 degrees because the
molecules get so cold that they slow down enough to hook onto each other,
forming a solid crystal.”
4. What makes an
argument invalid?
5. True or
false? “A sound deduction may have one
false premise.”
6. Reproduce the chart for induction and deduction.
7. Compose an enthymeme, then supply the missing premise.
8. Translate into
formal symbolic language:
“It is Friday and it
is not raining.”
9. Write an argument
that attempts to leap over the “is-ought gap.”
What missing premise would make it valid?
10. Reproduce the
truth table for negation.
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