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12177
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Human artefacts may have essences, in their purposes [Popper]
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Full Idea:
One might adopt the view that certain things of our own making, such as clocks, may well be said to have 'essences', viz. their 'purposes', and what makes them serve these purposes.
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From:
Karl Popper (Conjectures and Refutations [1963], 3.3 n17)
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A reaction:
This is from one of the arch-opponents of essentialism. Could we take him on a slippery slope into essences for evolved creatures, or their organs? His argument says admitting an essence for a clock prevents using it for another purpose.
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22489
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'Good' is an attributive adjective like 'large', not predicative like 'red' [Geach, by Foot]
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Full Idea:
Geach puts 'good' in the class of attributive adjectives, such as 'large' and 'small', contrasting such adjectives with 'predicative' adjectives such as 'red'.
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From:
report of Peter Geach (Good and Evil [1956]) by Philippa Foot - Natural Goodness Intro
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A reaction:
[In Analysis 17, and 'Theories of Ethics' ed Foot] Thus any object can simply be red, but something can only be large or small 'for a rat' or 'for a car'. Hence nothing is just good, but always a good so-and-so. This is Aristotelian, and Foot loves it.
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12175
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Galilean science aimed at true essences, as the ultimate explanations [Popper]
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Full Idea:
The third of the Galilean doctrines of science is that the best, the truly scientific theories, describe the 'essences' or the 'essential natures' of things - the realities which lie behind the appearances. They are ultimate explanations.
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From:
Karl Popper (Conjectures and Refutations [1963], 3.3)
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A reaction:
This seems to be the seventeenth century doctrine which was undermined by Humeanism, and hence despised by Popper, but is now making a comeback, with a new account of essence and necessity.
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