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19044
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Saying truths fit experience adds nothing to truth; nothing makes sentences true [Davidson]
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Full Idea:
The notion of fitting the totality of experience ...adds nothing intelligible to the simple concept of being true. ....Nothing, ...no thing, makes sentences and theories true: not experience, not surface irritations, not the world.
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From:
Donald Davidson (The Very Idea of a Conceptual Scheme [1974], p.11), quoted by Willard Quine - On the Very Idea of a Third Dogma p.39
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A reaction:
If you don't have a concept of what normally makes a sentence true, I don't see how you go about distinguishing what is true from what is false. You can't just examine the sentence to see if it has the 'primitive' property of truth. Holism is involved....
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13267
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Temporal parts is a crazy doctrine, because it entails constantly creating stuff ex nihilo [Thomson, by Koslicki]
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Full Idea:
Thomson famously objects that the doctrine of temporal parts is 'a crazy metaphysic - obviously false', since it entails that material objects are constantly being generated ex nihilo (or, at least, the stuff of which they are composed is).
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From:
report of Judith (Jarvis) Thomson (Parthood and Identity across Time [1983], p.210) by Kathrin Koslicki - The Structure of Objects 2.2
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A reaction:
The related objections are to ask what the temporal 'width' of a part is, and whether the joins are visible.
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19424
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Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz]
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Full Idea:
Knowledge is either obscure or clear; clear ideas are either indistinct or distinct; distinct ideas are either adequate or inadequate, symbolic or intuitive; perfect knowledge is that which is both adequate and intuitive.
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From:
Gottfried Leibniz (Reflections on Knowledge, Truth and Ideas [1684], p.283)
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A reaction:
This is Leibniz's expansion of Descartes's idea that knowledge rests on 'clear and distinct conceptions'. The ultimate target seems to be close to an Aristotelian 'real definition', which is comprehensive and precise. Does 'intuitive' mean coherent?
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6400
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Without the dualism of scheme and content, not much is left of empiricism [Davidson]
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Full Idea:
The third dogma of empiricism is the dualism of scheme and content, of organizing system and something waiting to be organized, which cannot be made intelligible and defensible. If we give it up, it is not clear that any distinctive empiricism remains.
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From:
Donald Davidson (The Very Idea of a Conceptual Scheme [1974], p.189)
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A reaction:
The first two dogmas were 'analyticity' and 'reductionism', as identified by Quine in 1953. Presumably Hume's Principles of Association (Idea 2189) would be an example of a scheme. A key issue is whether there is any 'pure' content.
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19425
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In the schools the Four Causes are just lumped together in a very obscure way [Leibniz]
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Full Idea:
In the schools the four causes are lumped together as material, formal, efficient, and final causes, but they have no clear definitions, and I would call such a judgment 'obscure'.
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From:
Gottfried Leibniz (Reflections on Knowledge, Truth and Ideas [1684], p.283)
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A reaction:
He picks this to illustrate what he means by 'obscure', so he must feel strongly about it. Elsewhere Leibniz embraces efficient and final causes, but says little of the other two. This immediately become clearer as the Four Modes of Explanation.
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