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Cartesianism

Overview

Cartesianism is the philosophical and scientific system of René Descartes and its subsequent development by other seventeenth century thinkers, most notably François Poullain de la Barre, Nicolas Malebranche and Baruch Spinoza. Descartes is often regarded as the first thinker to emphasize the use of reason to develop the natural sciences. For him, philosophy was a thinking system that embodied all knowledge.

Aristotle and St. Augustine's work influenced Descartes's cogito argument.

Additionally, there is similarity between Descartes's work and that of Scottish philosopher George Campbell's 1776 publication, titled Philosophy of Rhetoric. In his Meditations on First Philosophy he writes, "[b]ut what then am I? A thing which thinks. What is a thing which thinks? It is a thing which doubts, understands, [conceives], affirms, denies, wills, refuses, which also imagines and feels."

Cartesians view the mind as being wholly separate from the corporeal body. Sensation and the perception of reality are thought to be the source of untruth and illusions, with the only reliable truths to be had in the existence of a metaphysical mind. Such a mind can perhaps interact with a physical body, but it does not exist in the body, nor even in the same physical plane as the body. The question of how mind and body interact would be a persistent difficulty for Descartes and his followers, with different Cartesians providing different answers. To this point Descartes wrote, "we should conclude from all this, that those things which we conceive clearly and distinctly as being diverse substances, as we regard mind and body to be, are really substances essentially distinct one from the other; and this is the conclusion of the Sixth Meditation." Therefore, we can see that, while mind and body are indeed separate, because they can be separated from each other, but, Descartes postulates, the mind is a whole, inseparable from itself, while the body can become separated from itself to some extent, as in when one loses an arm or a leg.

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

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4. Scholasticism had its mysteries of faith, but undertook to explain all created things. But there are many facts which Cartesianism not only does not explain but renders absolutely inexplicable, unless to say that “God makes them so” is to be regarded as an explanation. In some, or all of these respects, most modern philosophers have been, in effect, Cartesians. Now without wishing to return to scholasticism, it…
Charles S. Peirce, Chance, Love, and Logic
Names Cartesianism twice; opens on Cartesianism.
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As far as one can judge, it is for the same reason that philosophers have aimed at a threefold division of science, or rather, were enabled to see that there was a threefold division (for they did not invent, but only discovered it), of which one part is called physical, another logical, the third ethical. The Latin equivalents of these names are now naturalized in the writings of many authors, so that these…
of Hippo Augustine, The City of God, Volume I
States what Cartesianism is; the author is tied to Cartesianism in the knowledge graph.
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Under the influence of such ideas, perhaps also deriving from the traditions of their own or of other nations scraps of medicine and astronomy, men came to the observation of nature. The Greek philosopher looked at the blue circle of the heavens and it flashed upon him that all things were one; the tumult of sense abated, and the mind found repose in the thought which former generations had been…
Plato, Timaeus
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Cartesianism

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