His theory of the nature of will was his own, and arrived at from a voluntaristic psychology leading to a voluntaristic metaphysics of his own.
Finally, Schopenhauer's voluntarism has had a profound effect on psychology inside and outside Germany, and to a less degree produced attempts to deduce from voluntaristic psychology new systems of voluntaristic metaphysics, such as those of Paulsen and Wundt.
Voluntaristic Phenomenalism of Wundt.
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