  As to (3), Reid believes that it amounts to an endorsement of idealism. Reid finds this theory implausible on its own, and in violation of a host of common sense principles, despite the fact that he admires Berkeley's efforts to pursue its full implications. Reid's arguments against representationalist attempts to recover the awareness of the external world through perception via options (1), (2) and (3) are by no means all of his arguments against the representationalist theory of perception or the Way of Ideas. We now introduce a few additional considerations for which Reid rejects that theory.