Which of the following has the relation between pairs of predicates necessarily symmetric?

A. Analyticity is a sense property of predicates.

B. Contradiction is a sense relation between predicates.

C. Syntheticity is a sense property of a sentence.

D. Contradiction is a sense relation between sentences.

A. Osama bin Laden

B. Afghanistan

C. Hide

D. a and b

A. It’s a colorful ball.

B. He gave her a gold ring yesterday.

C. He is really so kind to me.

D. I sawed a rotten branch of the ash tree in my garden.

A. It occurs in an equative sentence.

B. It can be used to refer to different potential referents.

C. It never refers to different things or different persons.

D. It is not a referring expression.

A. Bill didn’t see a person entails Bill saw a boy.

B. Bill didn’t see a boy entails Bill didn’t see a person.

C. Bill didn’t see a boy entails Bill saw a person.

D. Bill didn’t see a person entails Bill didn’t see a boy.

A. Sense

B. Prototype

C. Reference

D. Extension

A. Bachelors are male.

B. Bachelors are not reptiles.

C. Bachelors are not human beings.

D. Bachelors are lonely.