— in like manner (as with us); — is it not the case that?; — of earth and the rest; — in the cognition (of the intellect); — knowledge, awareness; — is established; — illuminating itself and other; — (and) nothing else (does so); — in like manner; — would the other (their doctrine) not (collapse into ours)?
In like manner, is it not the case that the knowledge of earth and the rest is established (only) in cognition, which illuminates both itself and other, while nothing else illuminates at all? On that very reasoning, would their (rival) doctrine not (collapse into ours)?