Combining Texts
Ideas for
'Principles of Philosophy', 'Theory of Knowledge (2nd ed 1977)' and 'Enquiry concerning Principles of Morals'
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2 ideas
9. Objects / B. Unity of Objects / 2. Substance / a. Substance
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If we perceive an attribute, we infer the existence of some substance [Descartes]
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9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
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A substance needs nothing else in order to exist [Descartes]
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