He is realistic and idealistic, individualistic and universalistic, monistic and dualistic, sensationalist and intellectualist, naturalist and supernaturalist, rationalist and mystic, gnostic and agnostic. He is the prince of the Vermittler in philosophy, ethics, religion and theology.
A system of emanations of this kind, in its purest form, is set forth in the expositions coming from the school of Basilides, which are handed down by Irenaeus, while the propositions which are set forth in the Philosophumena of Hippolytus as being doctrines of Basilides represent a still closer approach to a monistic philosophy.
It is not to be dualistic but monistic realism, because matter is not separate from spirit.
It is to be monistic ideal realism, like that of Fichte and Hegel; not, however, like theirs idealistic in method, a Phantastisches Begrifsgebaude, but realistic in method, a Wissenschaftliche Philosophie.
Lotze's procedure is, indeed, analogous to the way in which, in his philosophy of nature, he starts from a plurality of real beings, but by means of a reductive movement, an application of Kant's transcendental method, arrives at the postulate or fact of a law of their reciprocal action which calls for a monistic and idealist interpretation.