But the mechanical view of nature is not identical with the materialistic. In the last of the above-mentioned works the question is discussed at great length how we have to consider mind, and the relation between mind and body; the answer is - we have to consider mind as an immaterial principle, its action, however, on the body and vice versa as purely mechanical, indicated by the fixed laws of a psycho-physical mechanism.
SYLPH, an imaginary spirit of the air; according to Paracelsus, the first modern writer who uses the word, an air-elemental, coming between material and immaterial beings.
The immaterial in man is the expansive force inherent in him.
Of the Analogy - where we observe the old assumption of an immaterial and so immortal principle - and in his appendix on Personal Identity.
He accepted the Leibnitzian fallacy that unity is indivisibility, which led to the Leibnitzian analysis of material bodies into immaterial monads, indivisible and therefore unextended, and to the theory of monadic souls and entelechies.
But in working out the consequences of this view Say is not free from obscurities and inconsistencies; and by his comprehension of these immaterial products within the domain of economics he is confirmed in the error of regarding that science as filling the whole sphere which really belongs to sociology.
This quinta essentia had been speculated upon by the Greeks, some regarding it as immaterial or aethereal, andothers as material; and a school of philosophers termed alchemists arose who attempted the isolation of this essence.
According to Leibnitz, while each immaterial element is a monadic substance and self-acting secondary cause, God is the primary cause of all.
Lastly, he thought that, while other operations have, intellect (vas) has not, a bodily organ; and hence he became responsible for the fancy that there is a break in bodily continuity between sense and will, while intellect is working out a purely immaterial operation of soul, resulting from the former and tending to the latter.
Clarke has been generally supposed to have derived the opinion that time and space are attributes of an infinite immaterial and spiritual being from the Scholium Generale, first published in the second edition of Newton's Principia (1714).