In the first public announcement of his conversion to the Wissenschaftslehre, Reinhold discusses three primary issues deficient in the Elementary Philosophy, for which the Wissenschaftslehre is supposed to account: first, the a priori possibility of consciousness; second, objective matter; and third, the unconditioned unity of theoretical and practical reason. Concerning the first point, Reinhold had previously regarded Fichte’s pure I as an inconceivable basis of philosophy, if the Principle of