5060
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All substances analyse down to simple substances, which are souls, or 'monads' [Leibniz]
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Full Idea:
What (in the analysis of substances) exist ultimately are simple substances - namely, souls, or, if you prefer a more general terms, 'monads', which are without parts.
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From:
Gottfried Leibniz (Metaphysical conseqs of principle of reason [1712], §7)
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A reaction:
This seems to me to be atomistic panpsychism. He is opposed to physical atomism, because infinite divisibility seems obvious, but unity is claimed to be equally obvious in the world of the mental. Does this mean bricks are made of souls? Odd.
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13921
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All things must have an essence (a 'what it is'), or we would be unable to think about them [Lowe]
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Full Idea:
Things must have an essence, in the sense of 'what it is to be the individual of that kind', or it would make no sense to say we can talk or think comprehendingly about things at all. If we don't know what it is, how can we think about it?
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From:
E.J. Lowe (Two Notions of Being: Entity and Essence [2008], 2)
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A reaction:
Lowe presents this as a sort of Master Argument for essences. I think he is working with the wrong notion of essence. All he means is that things must have identities to be objects of thought. Why equate identity with essence, and waste a good concept?
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9220
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Lewis must specify that all possibilities are in his worlds, making the whole thing circular [Shalkowski, by Sider]
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Full Idea:
If purple cows are simply absent from Lewis's multiverse, then certain correct propositions turn out to be impossible. Lewis must require a world for every possibility. But then it is circular, as the multiverse needs modal notions to characterize it.
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From:
report of Scott Shalkowski (Ontological Ground of Alethic Modality [1994], 3.9) by Theodore Sider - Reductive Theories of Modality 3.9
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A reaction:
[Inversely, a world containing a round square would make that possible] This sounds very nice, though Sider rejects it (p.197). I've never seen how you could define possibility using the concept of 'possible' worlds.
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5059
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Power rules in efficient causes, but wisdom rules in connecting them to final causes [Leibniz]
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Full Idea:
In all of nature efficient causes correspond to final causes, because everything proceeds from a cause which is not only powerful, but wise; and with the rule of power through efficient causes, there is involved the rule of wisdom through final causes.
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From:
Gottfried Leibniz (Metaphysical conseqs of principle of reason [1712], §5)
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A reaction:
Nowadays this carrot-and-stick view of causation is unfashionable, but I won't rule it out. The deepest 'why?' we can ask won't just go away. This unity by a divine mind strikes me as too simple, but Leibniz is right to try to unify Aristotelian causes.
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