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16620
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A chair is wood, and its shape is the form; it isn't 'compounded' of the matter and form [Hobbes]
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Full Idea:
Nothing can be compounded of matter and form. The matter of a chair is wood; the form is the figure it has, apt for the intended use. Does his Lordship think the chair compounded of the wood and the figure?
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From:
Thomas Hobbes (Letter to Bramhall [1650], 4:302), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 07.1
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A reaction:
Aristotle does use the word 'shape' [morphe] when he is discussing hylomorphism, and the statue example seems to support it, but elsewhere the form is a much deeper principle of individuation.
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16622
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Essence is just an artificial word from logic, giving a way of thinking about substances [Hobbes]
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Full Idea:
Essence and all other abstract names are words artificial belonging to the art of logic, and signify only the manner how we consider the substance itself.
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From:
Thomas Hobbes (Letter to Bramhall [1650], 4:308), quoted by Robert Pasnau - Metaphysical Themes 1274-1671
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A reaction:
I sympathise quite a lot with this view, but not with its dismissive tone. The key question I take to be: if you reject essences entirely (having read too much physics), how are we going to think about entities in the world in future?
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13048
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Good explications are exact, fruitful, simple and similar to the explicandum [Carnap, by Salmon]
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Full Idea:
Carnap's four criteria for giving a good explication are similarity to the explicandum, exactness, fruitfulness and simplicity.
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From:
report of Rudolph Carnap (Logical Foundations of Probability [1950], Ch.1) by Wesley Salmon - Four Decades of Scientific Explanation 0.1
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A reaction:
[compressed] Salmon's view is that this represents the old attitude, that the contribution of philosophy to explanation is the clarification of the key concepts. Carnap is, of course, a logical empiricist.
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