The expression "William Shakespeare" in the sentence "William Shakespeare is one of the greatest playwrights in English Literature" has constant reference because:

A. Entailment

B. Paraphrase

C. Synonymy

D. Hyponymy

A. Same - different

B. Give - take

C. Conceal - reveal

D. Beautiful - ugly

A. Bachelors are innocent men.

B. Bachelors are not human beings.

C. Bachelors are never married.

D. Bachelors are male.

A. Extension

B. Prototype

C. Stereotype

D. All of the above

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. Sentence

B. Utterance

C. Proposition

D. a and c