Error can arise only because we mix up our opinions and suppositions with what we actually feel.
These authors proved, however, that no optical system can justify these suppositions, since they are contradictory to the fundamental laws of reflexion and refraction.
He made a grim effort to dismiss all such suppositions.
This view rests upon a series of suppositions, and is entirely unhistorical.
She also starts out the novel with a set of facts designed to support the suppositions in the novel.