1. Explain the words “Logic” and “Proof”.
2. Why do we need Logic?
3. Explain “Proposition”. State the 3 ordinary forms, using x and y. And give an example of each kind, of your own invention.
4. Explain “Division”, and “Exhaustive Division”.
5. Break up each of the following Propositions under the 4 headings “Sign of Quantity”, “Subject”, “Copula”, “Predicate”.
(a) Some of us cannot understand Logic.
(b) I don’t like Logic!
(c) No cheap goods last long.
6. In Diagram , what Propositions would be represented by , , , ?
7. Represent (drawing a diagram for each),
(a) No x are not-y.
(b) All x are y.
(c) Some x exist.
(d) Some books are bound and some are not. (x = “books”; y = “bound books”.)
(e) All my friends are unkind. (x = “my friends”; y = “kind friends”.)
(f) I have no friends.
8. State the Contradictories of (a), (c), (f), in Question 7.
[Feb., 1894]