Logic Exercises (Categorical Propositions)
Students who want to see how well they are picking up the things discussed in class can try their hand at the following optional exercises. Answers will be posted in a few days.
For each of the following, identify the subject term, the predicate term, the quantity, and the quality. You may rewrite the sentences to make it easier, as long as the meaning is not clearly changed.
1. Some quick brown foxes jump over the lazy dog.
2. All five boxing wizards jump quickly.
3. Franz speeds through Bavaria in a totally rundown taxi.
4. Any quick movement of the enemy will jeopardize six gunboats.
5. No more shall I see acacias or myrtles in the golden clearing.
6. Every world has a beginning.
7. Philosophy begins in wonder. (Plato)
8. There is nothing so absurd but some philosopher has said it. (Cicero)
9. The unexamined life is not worth living. (Plato)
10. All men desire to know. (Aristotle)
Here are the answers:
1. S: quick brown foxes; P: [things that] jump overthe lazy dog; Particular Affirmative
2. S: [the] five boxing wizards; P: [things that] jump quickly; Universal Affirmative
3. S: Franz; P: [things that] speed through Bavaria in a totally rundown taxi; Singular Affirmative
4. S: quick movement of the enemy; P: [things that] will jeopardize six gunboats; Universal Affirmative
5. S: I; P: [thing that] shall see acacias or myrtles in the golden clearing no more; Singular Negative
6. S: world; P: [things that] have a beginning; Universal Affirmative
7. S: Philosophy; P: [things that] begin in wonder; Universal Affirmative
8. S: [Thing]; P: [thing that] is so absurd that some philosopher has not said it; Universal Negative
9. S: unexamined life; P: [thing that] is worth living; Universal Negative
10. S: men; P: [things that] desire to know; Universal Affirmative
Comment by Administrator — September 2, 2008 @ 1:19 am