The quoted sentences that appear in (A) and (B) are singular terms; e.g., “‘The cat is on the mat’” refers to the sentence ‘The cat is on the mat’, and (A) says of this sentence that it has a certain property, namely, that of being a well-formed English sentence. Thus, if sentences like (A) are true — and it certainly seems that they are — then they commit us to believing in the existence of sentences. Now, one might hold a physicalistic view here according to which linguistics is about actual (