Combining Texts

Ideas for 'Principles of Philosophy', 'On 'Generation and Corruption'' and 'How Things Might Have Been'

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4 ideas

26. Natural Theory / A. Speculations on Nature / 1. Nature

15987

Physics only needs geometry or abstract mathematics, which can explain and demonstrate everything [Descartes]

26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / c. Purpose denied

12730

We will not try to understand natural or divine ends, or final causes [Descartes]

26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / c. Matter as extension

16601

Matter is not hard, heavy or coloured, but merely extended in space [Descartes]

26. Natural Theory / B. Natural Kinds / 6. Necessity of Kinds

11907

Maybe the identity of kinds is necessary, but instances being of that kind is not [Mackie,P]