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9217
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Modern empirical metaphysics focuses on ontological commitments of discourse, or on presuppositions [Loux/Zimmerman]
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Full Idea:
The empiricist revival of metaphysics came with Quine, who focused on ontological commitments associated with accepting a body of discourse, and Strawson, asking about the presuppositions of our conceptual practices.
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From:
M Loux / D Zimmerman (Intro to Oxford Hndbk of Metaphysics [2003])
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A reaction:
I find myself preferring the British approach. I can discourse about things without ontological commitment, and utter truths about non-existent things. I really yearn, though, for the third way - actually reasoning towards knowing what's out there.
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22363
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You have only begun to do real science when you can express it in numbers [Kelvin]
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Full Idea:
When you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind; it may be the beginning of knowledge, but you have scarcely, in your thoughts, advanced to the stage of science, whatever the matter may be.
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From:
Lord Kelvin (Wm Thomson) (works [1881]), quoted by Reiss,J/Spreger,J - Scientific Objectivity 4.1
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A reaction:
[Popular Lectures 1 p.73] Clearly the writer is a physicist! Astronomers discover objects, geologists discover structures, biologists reveal mechanisms.
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2171
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The 'will' doesn't exist; there is just conclusion, then action [Homer, by Williams,B]
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Full Idea:
Homer left out another mental action lying between coming to a conclusion and acting on it; and he did well, since there is no such action, and the idea is the invention of bad philosophy.
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From:
report of Homer (The Iliad [c.850 BCE]) by Bernard Williams - Shame and Necessity II - p.37
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A reaction:
This is a characteristically empiricist view, which is found in Hobbes. The 'will' seems to have a useful role in folk psychology. We can at least say that coming to a conclusion that I should act, and then actually acting, are not the same thing.
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21819
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Plato says the Good produces the Intellectual-Principle, which in turn produces the Soul [Homer, by Plotinus]
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Full Idea:
In Plato the order of generation is from the Good, the Intellectual-Principle; from the Intellectual-Principle, the Soul.
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From:
report of Homer (The Iliad [c.850 BCE], 509b) by Plotinus - The Enneads 5.1.08
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A reaction:
The doctrine of Plotinus merely echoes Plato, in that case, except that the One replaces the Form of the Good. Does this mean that what is first in Plotinus is less morally significant, and more concerned with reason and being?
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20644
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Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin]
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Full Idea:
The name 'energy', first used by Thomas Young, has come into use after it was raised from a mere formula of mathematical dynamics to become a principle pervading all nature, and guiding every field of science.
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From:
Lord Kelvin (Wm Thomson) (works [1881]), quoted by Peter Watson - Convergence 01 'Principle'
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A reaction:
[bit compressed] As far as I can see energy behaves exactly as if it were a substance, like water conserved in rainfalls, and yet it isn't a stuff, and seems to result from a process of abstraction. I take it to be one of the biggest mysteries in physics.
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