Page:Ferrier's Works Volume 1 - Institutes of Metaphysic (1875 ed.).djvu/458

PROPOSITION VII.

IGNORANCE OF THE EGO PER SE.

We cannot be ignorant of the ego per se; in other words, there can be no ignorance of the mind in a state of pure indetermination, or with no thing or thought present to it.

DEMONSTRATION.

There can be no ignorance of the ego or mind per se, because (by Prop. IX. Epistemology) there can be no knowledge of it; and because (by Prop. III. Agnoiology) there can be no ignorance of that of which there can be no knowledge.

OBSERVATIONS AND EXPLANATIONS.

Design and effect of this proposition.1. This proposition, which is the obverse of the ninth of the epistemology, is designed to protect the reader, whom the latter proposition has saved