Descartes attributes modes like shape, motion, and divisibility to body but treats these as modifications of extension, suggesting body has a richer ontological profile than bare spatial extension.

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Reasons For

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Reason for

1.Descartes explicitly distinguishes shape, motion, and divisibility as real properties in Principles of Philosophy, not mere appearances or mathematical abstractions.
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2.If body were bare extension alone, Descartes could not explain why some extended things are round and others square without invoking additional ontological resources.
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3.Descartes's physics requires motion as causally efficacious; treating it as mere modification preserves motion's reality while maintaining extension as fundamental.
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Reasons Against

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Reason against

1.Descartes defines body fundamentally by extension (res extensa); calling modifications of extension 'richer' contradicts his own reductive metaphysical framework.
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2.Shape is reducible to boundary points of extension; motion reduces to change in spatial location; divisibility follows from extension's infinite divisibility logically.
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3.Attributing independent ontological status to modes conflicts with Descartes's substance-mode hierarchy where modes depend entirely on their underlying substance.
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Key Terms

Descartes: # Descartes René Descartes was a French philosopher and mathematician from the 1600s who fundamentally changed how people think about knowledge and the mind. He's famous for the idea "I think, therefore I am" (cogito ergo sum), which means that the very fact that you can think proves you exist—a foundation for modern philosophy. He also invented the coordinate system used in mathematics (the x and y axes on a graph), which connects geometry and algebra in practical ways we still use today.
bare spatial extension(the minimal version of what a physical object could be): Just the basic fact of something taking up space, without any other qualities like shape, movement, or other interesting features.
extension(Semantics and philosophy of language): Another term for reference, i.e., the object or set of objects a term picks out
modes(Spinoza's ontology distinguishing substance, attributes, and modes): Modifications of substance under an attribute; what appear to be individuated bodies are modes of substance under the attribute of Extension, not independently existing things
modifications(how modes relate to extension): Changes or variations in something; think of it as different versions or arrangements of a basic thing.
ontological profile(describing the nature and reality of physical bodies): The sum total of what something actually *is*—what kinds of things or properties make it real and meaningful.
richer ontological profile(suggesting bodies are more complex than just their spatial existence): Having more depth and complexity to what something is—more kinds of real properties beyond just occupying space.

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Consciousness & Mind1 linked

Attributing independent ontological status to modes conflicts with Descartes's s...Corporeal substance and spatial extension are identical in nature for Descartes Descartes defines body fundamentally by extension (res extensa); calling modific...Descartes explicitly distinguishes shape, motion, and divisibility as real prope...

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Type: claim
Perspectives: 2 (1 for, 1 against)
Edits: 1 edit