Combining Philosophers

Ideas for William W. Tait, Gottfried Leibniz and Barbara Vetter

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16 ideas

10. Modality / B. Possibility / 1. Possibility
Possible worlds allow us to talk about degrees of possibility [Vetter]
Maybe possibility is constituted by potentiality [Vetter]
Possibilities are potentialities of actual things, but abstracted from their location [Vetter]
All possibility is anchored in the potentiality of individual objects [Vetter]
Possibility is a generalised abstraction from the potentiality of its bearer [Vetter]
There is a reason why not every possible thing exists [Leibniz]
How can things be incompatible, if all positive terms seem to be compatible? [Leibniz]
10. Modality / B. Possibility / 4. Potentiality
Potentialities may be too weak to count as 'dispositions' [Vetter]
There are potentialities 'to ...', but possibilities are 'that ....'. [Vetter]
Potentiality is the common genus of dispositions, abilities, and similar properties [Vetter]
Water has a potentiality to acquire a potentiality to break (by freezing) [Vetter]
A potentiality may not be a disposition, but dispositions are strong potentialities [Vetter, by Friend/Kimpton-Nye]
Potentiality does the explaining in metaphysics; we don't explain it away or reduce it [Vetter]
Potentiality logic is modal system T. Stronger systems collapse iterations, and necessitate potentials [Vetter]
10. Modality / B. Possibility / 5. Contingency
Necessary truths can be analysed into original truths; contingent truths are infinitely analysable [Leibniz]
A reason must be given why contingent beings should exist rather than not exist [Leibniz]