relationship. For instance, we see that John cut himself is grammatical, but Himself cut John is not, despite having identical arguments, since himself, the reflexive, must be lower in structure to John, its referent. Additionally, we see examples like John said that Mary cut himself are not grammatical because there is an intermediary noun, Mary, that disallows the two referents from having a direct relationship.

On the other hand, personal pronouns (such as him or them) must adhere to Principle B: a pronoun must be free (i.e.,