Combining Texts
Ideas for
'Protagoras', 'Mere Possibilities' and 'Two Kinds of Possibility'
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5 ideas
10. Modality / A. Necessity / 1. Types of Modality
12205
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There are two families of modal notions, metaphysical and epistemic, of equal strength [Edgington]
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10. Modality / A. Necessity / 3. Types of Necessity
16466
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Strong necessity is always true; weak necessity is cannot be false [Stalnaker]
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10. Modality / A. Necessity / 5. Metaphysical Necessity
12207
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Metaphysical possibility is discovered empirically, and is contrained by nature [Edgington]
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10. Modality / A. Necessity / 6. Logical Necessity
12206
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Broadly logical necessity (i.e. not necessarily formal logical necessity) is an epistemic notion [Edgington]
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12208
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An argument is only valid if it is epistemically (a priori) necessary [Edgington]
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