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Ideas for 'fragments/reports', 'Clitophon' and 'Physics'

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16 ideas

26. Natural Theory / A. Speculations on Nature / 1. Nature
'Nature' refers to two things - form and matter [Aristotle]
Nothing natural is disorderly, because nature is responsible for all order [Aristotle]
Nature is a principle of change, so we must understand change first [Aristotle]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / a. Final purpose
Nature has purpose, and aims at what is better. Is it coincidence that crops grow when it rains? [Aristotle]
Covers are for shields, and sheaths for swords; likewise, all in the cosmos is for some other thing [Chrysippus]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / b. Limited purposes
Teeth and crops are predictable, so they cannot be mere chance, but must have a purpose [Aristotle]
A thing's purpose is ambiguous, and from one point of view we ourselves are ends [Aristotle]
The nature of a thing is its end and purpose [Aristotle]
26. Natural Theory / A. Speculations on Nature / 3. Natural Function
Is ceasing-to-be unnatural if it happens by force, and natural otherwise? [Aristotle]
26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature
Continuity depends on infinity, because the continuous is infinitely divisible [Aristotle]
The heavens seem to be infinite, because we cannot imagine their end [Aristotle]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / a. Greek matter
Matter desires form, as female desires male, and ugliness desires beauty [Aristotle]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / f. Ancient elements
When Aristotle's elements compound they are stable, so why would they ever separate? [Weisberg/Needham/Hendry on Aristotle]
The later Stoics identified the logos with an air-fire compound, called 'pneuma' [Chrysippus, by Long]
Fire is a separate element, not formed with others (as was previously believed) [Chrysippus, by Stobaeus]
Stoics say earth, air, fire and water are the primary elements [Chrysippus, by Plutarch]