3. I ought not to study algebra because it is a very difficult subject.
4. Pupils ought not to write notes because note writing interferes with the rights of others.
5. All fish can swim; Charles can swim; Therefore Charles is a fish.
6. Henry is a fool because he wears a white necktie.
7. All dogs bark; This animal barks; Therefore this animal is a dog.
+Theme XCIX.+—Write a paragraph proving the truth of one of the following propositions:—
1. The government should establish a parcels post.
2. The laws of mind determine the forms of composition.
3. Training for citizenship should be given greater attention in the public schools.
4. The members of the school board should be appointed by the mayor of the city.