12185
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Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge]
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Full Idea:
Edgington's position is that logical necessity is an epistemic notion: epistemic necessity which, she claims, is the old notion of the a priori. Like Kripke, she thinks this is two-way independent of metaphysical necessity.
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From:
report of Dorothy Edgington (Epistemic and Metaphysical Possibility [1985]) by Ian McFetridge - Logical Necessity: Some Issues §1
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A reaction:
[her paper was unpublished] She hence thinks an argument can be logically valid, while metaphysically its conclusion may not follow. Dubious, though I think I favour the view that logical necessity is underwritten by metaphysical necessity.
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15251
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The attribution of necessity to causation is either primitive animism, or confusion with logical necessity [Ayer]
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Full Idea:
How are we to explain the word 'must' [about causation]? The answer is, I think, that it is either a relic of animism, or else reveals an inclination to treat causal connexion as if it were a form of logical necessity.
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From:
A.J. Ayer (The Foundations of Empirical Knowledge [1940], IV.18)
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A reaction:
The animism proposal just about makes sense (as a primitive feature of minds), but why would anyone, if they had the time and understanding, dream of treating a regular connection as a 'logical' necessity?
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