22450
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If moral systems can't judge other moral systems, then moral relativism is true [Williams,B, by Foot]
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Full Idea:
If some societies with divergent moral systems merely confront each other, having no use for the assertion that their own systems are true and the others false except to mark the system to which they adhere, then relativism is a true theory of morality.
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From:
report of Bernard Williams (The Truth in Relativism [1974]) by Philippa Foot - Moral Relativism p.3
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A reaction:
'Having no use for' an assertion is not the same as the assertion being impossible. Some liberal cultures refuse to criticise others because their highest value is tolerance, even when the target culture wholly contradicts the critics' other values.
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19673
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Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux]
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Full Idea:
Galileo conceives of movement in mathematical terms. ...In doing so, he uncovered, beyond the variations of position and speed, the mathematical invariant of movement - that is to say, acceleration.
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From:
report of Galileo Galilei (Two Chief World Systems [1632]) by Quentin Meillassoux - After Finitude; the necessity of contingency 5
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A reaction:
That is a very nice advert for the mathematical physics which replaced the Aristotelian substantial forms. ...And yet, is acceleration some deep fact about nature, or a concept which is only needed if you insist on being mathematical?
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