Combining Texts

Ideas for 'Brainstorms:Essays on Mind and Psychology', 'New Essays on Human Understanding' and 'Nature Without Essence'

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5 ideas

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / a. Scientific essentialism
Qualities should be predictable from the nature of the subject [Leibniz]
     Full Idea: Whenever we find some quality in a subject, we ought to believe that if we understood the nature of both the subject and the quality we would conceive how the quality could arise from it.
     From: Gottfried Leibniz (New Essays on Human Understanding [1704], Pref 66)
     A reaction: This is the idea that powers are prior to properties, which seems right to me. I take essence to be something like the best explanation of qualities.
Gold has a real essence, unknown to us, which produces its properties [Leibniz]
     Full Idea: The complex idea of gold includes its being something which has a real essence whose detailed constitution is unknown to us, except for the fact that such qualities as malleability depend upon it.
     From: Gottfried Leibniz (New Essays on Human Understanding [1704], 3.10)
     A reaction: This is precisely the view of modern scientific essentialism. The underlying idea I take to be the conception of essence as the thing which explains the properties.
Part of our idea of gold is its real essence, which is not known to us in detail [Leibniz]
     Full Idea: It is very true that it is part of the complex idea of gold that it is a thing which has a real essence, the constitution of which is not otherwise known to us in detail.
     From: Gottfried Leibniz (New Essays on Human Understanding [1704], 6.6.345), quoted by Nicholas Jolley - Leibniz and Locke on Essences p.201
     A reaction: See also Idea 12807. This is the clearest possible statement of Leibniz's clear-cut scientific essentialism, here presented in opposition to Locke (thought I take the latter to be only bothered by our inability to know the hidden constitution).
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / e. Anti scientific essentialism
Defining an essence comes no where near giving a thing's nature [Almog]
     Full Idea: The natures of things are neither exhausted nor even partially given by 'defining essences'.
     From: Joseph Almog (Nature Without Essence [2010], Intro)
     A reaction: A better criticism of essentialism. 'Natures' is a much vaguer word than 'essences', however, because the latter refers to what is stable and important, whereas natures could include any aspect. Being ticklish is in my nature, but not in my essence.
Essences promise to reveal reality, but actually drive us away from it [Almog]
     Full Idea: The essentialist line (one I trace to Aristotle, Descartes and Kripke) is driving us away from, not closer to, the real nature of things. It promised a sort of Hubble telescope - essences - able to reveal the deep structure of reality.
     From: Joseph Almog (Nature Without Essence [2010], Intro)
     A reaction: I suspect this is tilting at a straw man. No one thinks we should hunt for essences instead of doing normal science. 'Essence' just labels what you've got when you succeed.