Combining Philosophers

Ideas for Herodotus, Gabriel M.A. Segal and Ashvaghosha

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2 ideas

10. Modality / A. Necessity / 5. Metaphysical Necessity
Is 'Hesperus = Phosphorus' metaphysically necessary, but not logically or epistemologically necessary? [Segal]
     Full Idea: It is metaphysically necessary that Hesperus is Phosphorus, but not logically necessary, since logical deduction could not reveal its truth, and it is not epistemologically necessary, as the ancient Greeks didn't know the identity. (Natural necessity?)
     From: Gabriel M.A. Segal (A Slim Book about Narrow Content [2000], 1.6)
10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible
If claims of metaphysical necessity are based on conceivability, we should be cautious [Segal]
     Full Idea: Since conceivability is the chief method of assessing the claims of metaphysical necessity, I think such claims are incautious.
     From: Gabriel M.A. Segal (A Slim Book about Narrow Content [2000], 1.6)