Combining Texts

All the ideas for 'Extrinsic Properties', 'The Human Body is a sort of Machine' and 'Essentialists and Essentialism'

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5 ideas

8. Modes of Existence / B. Properties / 4. Intrinsic Properties
Being alone doesn't guarantee intrinsic properties; 'being alone' is itself extrinsic [Lewis, by Sider]
Extrinsic properties come in degrees, with 'brother' less extrinsic than 'sibling' [Lewis]
9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties
Total intrinsic properties give us what a thing is [Lewis]
9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties
The distinction between necessary and essential properties can be ignored [Rocca]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / b. Limited purposes
A machine is best defined by its final cause, which explains the roles of the parts [Leibniz]