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21621 | We can't infer metaphysical necessities to be a priori knowable - or indeed knowable in any way [Williamson] |
Full Idea: The inference from metaphysical necessity to a priori knowlability is, as Kripke has emphasized, fallacious. Indeed, metaphysical necessities cannot be assumed knowable in any way at all. | |
From: Timothy Williamson (Vagueness [1994], 7.4) | |
A reaction: The second sentence sounds like common sense. He cites Goldbach's Conjecture. A nice case of the procedural rule of keeping your ontology firmly separated from your epistemology. How is it? is not How do we know it? |