Because representing is itself a speech act, the two halves of Beardsley's argument (premises 1–5 and 6–11) are not mutually exclusive and therefore merge.
But even if Beardsley’s view that a literary work is a representation or imitation of a speech act is acceptable, still another curious feature of the argument concerns his treatment of the distinction between performing a speech act and representing the performance of a speech act. Beardsley writes as if the two were mutually exclusive. They’re not. While it’s true that it’s one thing to state that p and quite another to represent that someone is stating that p, representing (in language) is it