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20812
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Covers are for shields, and sheaths for swords; likewise, all in the cosmos is for some other thing [Chrysippus]
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Full Idea:
Just as the cover was made for the sake of the shield, and the sheath for the sword, in the same way everything else except the cosmos was made for the sake of other things.
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From:
Chrysippus (fragments/reports [c.240 BCE]), quoted by M. Tullius Cicero - On the Nature of the Gods ('De natura deorum') 2.37
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A reaction:
Chrysippus was wise to stop at the cosmos. Similarly, religious teleology had better not ask about the purpose of God. What does he think pebbles are for? Nature is the source of stoic value, so it needs to be purposeful.
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5975
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Stoics say earth, air, fire and water are the primary elements [Chrysippus, by Plutarch]
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Full Idea:
The Stoics call the four bodies - earth and water and air and fire - primary elements.
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From:
report of Chrysippus (fragments/reports [c.240 BCE], fr 444) by Plutarch - 72: Against Stoics on common Conceptions 1085c
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A reaction:
Elsewhere (fr 413) Chrysippus denies that they are all 'primary'. Essentially, though, he seems to be adopting the doctrine of Empedocles and Aristotle, in specific opposition to Epicurus' atomism.
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9659
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Causation is when at the closest world without the cause, there is no effect either [Lewis]
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Full Idea:
If it is the case at world W that if event C had not occurred, E would not have occurred either, then the counterfactual means that at the closest worlds to W at which C does not occur, E does not occur either.
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From:
David Lewis (On the Plurality of Worlds [1986], 1.6)
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A reaction:
This is a very Humean account, though updated, which sees nothing more to causation than transworld regularities. To me that is just describing the evidence for causation, not giving an account of it (even if the latter is impossible).
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