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Single Idea 6582

[filed under theme 10. Modality / C. Sources of Modality / 3. Necessity by Convention ]

Full Idea

Convention, to exist at all, must have a basis in something that is not conventional; conventions, to work, need something nonconventional to build upon and shape.

Gist of Idea

Conventions can only work if they are based on something non-conventional

Source

Robert Fogelin (Walking the Tightrope of Reason [2003], Ch.3)

Book Ref

Fogelin,Robert: 'Walking the Tightrope of Reason' [OUP 2004], p.75


A Reaction

Fogelin attributes his point to Hume. I agree entirely. No convention could ever possibly catch on in a society unless there were some point to it. If you can't see a point to a convention (like wearing ties) then start looking, because it's there.


The 11 ideas with the same theme [necessity comes from linguistic conventions]:

For each necessity in the world there is an arbitrary rule of language [Wittgenstein]
If natural necessity is used to include or exclude some predicate, the predicate is conceptually necessary [Harré/Madden]
Having a child is contingent for a 'man', necessary for a 'father'; the latter reflects a necessity of nature [Harré/Madden]
A key achievement of Kripke is showing that important modalities are not linguistic in source [Soames]
If necessity rests on linguistic conventions, those are contingent, so there is no necessity [Hale]
If truths are necessary 'by convention', that seems to make them contingent [Sider]
Conventionalism doesn't seem to apply to examples of the necessary a posteriori [Sider]
Necessary a posteriori is conventional for necessity and nonmodal for a posteriority [Sidelle, by Sider]
To know empirical necessities, we need empirical facts, plus conventions about which are necessary [Sidelle]
Conventions can only work if they are based on something non-conventional [Fogelin]
Modal Conventionalism says modality is analytic, not intrinsic to the world, and linguistic [Thomasson]