14221
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Serious essentialism says everything has essences, they're not things, and they ground necessities [Shalkowski]
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Full Idea:
Serious essentialism is the position that a) everything has an essence, b) essences are not themselves things, and c) essences are the ground for metaphysical necessity and possibility.
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From:
Scott Shalkowski (Essence and Being [2008], 'Intro')
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A reaction:
If a house is being built, it might acquire an identity first, and only get an essence later. Essences can be physical, but if you extract them you destroy thing thing of which they were the essence. Does all of this apply to abstract 'things'.
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14222
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Essences are what it is to be that (kind of) thing - in fact, they are the thing's identity [Shalkowski]
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Full Idea:
The route into essentialism is, first, a recognition that the essence of a thing is "what it is to be" that (kind of) thing; the essence of a thing is just its identity.
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From:
Scott Shalkowski (Essence and Being [2008], 'Essent')
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A reaction:
The first half sounds right, and very Aristotelian. The second half is dramatically different, controversial, and far less plausible. Slipping in 'kind of' is also highly dubious. This remark shows, I think, some confusion about essences.
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14224
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Equilateral and equiangular aren't the same, as we have to prove their connection [Shalkowski]
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Full Idea:
That 'all and only equilateral triangles are equiangular' required proof, and not for mere curiosity, is grounds for thinking that being an equilateral triangle is not the same property as being an equiangular triangle.
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From:
Scott Shalkowski (Essence and Being [2008], 'Serious')
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A reaction:
If you start with equiangularity, does equilateralness then require proof? This famous example is of two concepts which seem to be coextensional, but seem to have a different intension. Does a dependence relation drive a wedge between them?
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16745
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No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R]
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Full Idea:
No one is so wise regarding the natural world as to know with certainty all the truths that concern the nature and properties of a single fly, or to know the proper causes of its color and why it has so many feet, neither more nor less.
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From:
Roger Bacon (Opus Maius (major works) [1254], I.10), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 23.6
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A reaction:
Pasnau quotes this in the context of 'occult' qualities. It is scientific essentialism, because Bacon clearly takes it that the explanation of these things would be found within the essence of the fly, if we could only get at it.
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