Combining Texts

Ideas for 'What is Logic?st1=Ian Hacking', 'Principles of Philosophy' and 'Tractatus'

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4 ideas

9. Objects / B. Unity of Objects / 2. Substance / a. Substance

16630

If we perceive an attribute, we infer the existence of some substance [Descartes]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

5013	A substance needs nothing else in order to exist [Descartes]

9. Objects / D. Essence of Objects / 9. Essence and Properties

16633

A substance has one principal property which is its nature and essence [Descartes]

9. Objects / E. Objects over Time / 10. Beginning of an Object

16706

Generation is when local motions aggregate to become a single subject [Nicholas of Autrecourt]