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Single Idea 14670

[from 'The Logic of What Might Have Been' by Nathan Salmon, in 4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic ]

Full Idea

Metaphysical modal logic concerns metaphysical (or alethic) necessity and metaphysical (alethic) possibility, or necessity and possibility tout court - as opposed to such other types of modality as physical necessity, epistemic necessity etc.

Clarification

'tout court' means 'simply'

Gist of Idea

Metaphysical (alethic) modal logic concerns simple necessity and possibility (not physical, epistemic..)

Source

Nathan Salmon (The Logic of What Might Have Been [1989], Intro n2)

Book Reference

Salmon,Nathan: 'Metaphysics, Mathematics and Meaning' [OUP 2005], p.130

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