16541
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All the intrinsic properties of a thing should be deducible from its definition [Spinoza]
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Full Idea:
The definition of a thing should be such that all the properties of that thing, in so far as it is considered by itself, and not in conjunction with other things, can be deduced from it.
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From:
Baruch de Spinoza (Improvement of Understanding [1675], p.35), quoted by E.J. Lowe - What is the Source of Knowledge of Modal Truths? 6
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A reaction:
This is exactly what Locke requires of a real essence (though he is pessimistic about ever achieving it). Spinoza is talking of an Aristotelian real definition, which may be complex, and not a lexicographer's short verbal explication.
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8849
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Traditional foundationalism is radically internalist [Williams,M]
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Full Idea:
Traditional foundationalism is radically internalist. The justification-making factors for beliefs, basic and otherwise, are all open to view, and perhaps even actual objects of awareness. I am always in a position to know that I know.
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From:
Michael Williams (Without Immediate Justification [2005], §1)
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A reaction:
This is a helpful if one is trying to draw a map of the debate. An externalist foundationalism would have to terminate in the external fact which was the object of knowledge (via some reliable channel), but that is the truth, not the justification.
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8852
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In the context of scepticism, externalism does not seem to be an option [Williams,M]
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Full Idea:
In the peculiar context of the skeptical challenge, it is easy to persuade oneself that externalism is not an option.
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From:
Michael Williams (Without Immediate Justification [2005], §3)
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A reaction:
This is because externalism sees justification as largely non-conscious, but when faced with scepticism, the justifications need to be spelled out, and therefore internalised. So are sceptical discussions basic, or freakish anomalies?
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13073
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To understand the properties we must know the essence, as with a circle [Spinoza]
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Full Idea:
If a circle is defined as a figure in which lines from centre to circumference are equal, such definitions do not explain the essence of a circle, but only a property. The properties of a thing are not understood as long as their essences are not known.
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From:
Baruch de Spinoza (Improvement of Understanding [1675], §95), quoted by Cover,J/O'Leary-Hawthorne,J - Substance and Individuation in Leibniz 1.2.1
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A reaction:
This is the traditional Aristotelian view of essence, and the example of a circle is nice, though I am not sure what the essence of a circle might be. Presumably ALL the properties of a circle must flow from it.
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