Combining Texts

All the ideas for 'The Value of Science', 'Letters to Leibniz' and 'That Politics may be reduced to a Science'

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5 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16519	No one can conceive of a possible substance, apart from those which God has created [Arnauld]
	Full Idea: I am much mistaken if there is anyone who dares to say that he can conceive of a purely possible substance, …for although one talks so much of them, one never conceives them except according to the notion of those which God has created.
	From: Antoine Arnauld (Letters to Leibniz [1686], 1686.05.13), quoted by David Wiggins - Sameness and Substance 4.2
	A reaction: This idea cashes out in the 'necessitism' of Tim Williamson, and views on the Barcan formulae in modal logic.

23. Ethics / C. Virtue Theory / 4. External Goods / d. Friendship

21093	Friendship without community spirit misses out on the main part of virtue [Hume]
	Full Idea: A man who is only susceptible of friendship, without public spirit or a regard to the community, is deficient in the most material part of virtue.
	From: David Hume (That Politics may be reduced to a Science [1750], p.21)
	A reaction: I think this is aimed at the epicureans. If the highest virtues are focused on one's friends that can easily lead to injustice, because it can tolerate prejudice against people who are very unlike one's friends.

24. Political Theory / B. Nature of a State / 3. Constitutions

21091	It would be absurd if even a free constitution did not impose restraints, for the public good [Hume]
	Full Idea: A republican and free form of government would be an obvious absurdity, if the particular checks and controls, provided by the constitution, had really no influence, and made it not the interest, even of bad men, to act for the public good.
	From: David Hume (That Politics may be reduced to a Science [1750], p.14)
	A reaction: Presumably if you attain absolute power you can write any old constitution you like (Clause 1: the presidency is for life). But there does seem much point in doing it - unless it is to facilitate the use of the law for persecutions.

24. Political Theory / C. Ruling a State / 2. Leaders / d. Elites

21092	Nobility either share in the power of the whole, or they compose the power of the whole [Hume]
	Full Idea: A nobility may possess power in two different ways. Either every nobleman shares the power as part of the whole body, or the whole body enjoys the power as composed of parts, which each have a distinct power and authority.
	From: David Hume (That Politics may be reduced to a Science [1750], p.15)
	A reaction: He says the first type is found in Venice, and is preferable to the second type, which is found in Poland. Presumably in the shared version there is some restraint on depraved nobles. The danger is each noble being an autocrat.

26. Natural Theory / D. Laws of Nature / 11. Against Laws of Nature

15877	The aim of science is just to create a comprehensive, elegant language to describe brute facts [Poincaré, by Harré]
	Full Idea: In Poincaré's view, we try to construct a language within which the brute facts of experience are expressed as comprehensively and as elegantly as possible. The job of science is the forging of a language precisely suited to that purpose.
	From: report of Henri Poincaré (The Value of Science [1906], Pt III) by Rom Harré - Laws of Nature 2
	A reaction: I'm often struck by how obscure and difficult our accounts of self-evident facts can be. Chairs are easy, and the metaphysics of chairs is hideous. Why is that? I'm a robust realist, but I like Poincaré's idea. He permits facts.