Combining Philosophers

Ideas for Lynch,MP/Glasgow,JM, Mozi and Dorothy Edgington

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5 ideas

10. Modality / A. Necessity / 1. Types of Modality

12205

There are two families of modal notions, metaphysical and epistemic, of equal strength [Edgington]

10. Modality / A. Necessity / 5. Metaphysical Necessity

12207

Metaphysical possibility is discovered empirically, and is contrained by nature [Edgington]

10. Modality / A. Necessity / 6. Logical Necessity

12206

Broadly logical necessity (i.e. not necessarily formal logical necessity) is an epistemic notion [Edgington]

12185

Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge]

12208

An argument is only valid if it is epistemically (a priori) necessary [Edgington]