Place, U. T. (1997f). De re modality without possible worlds. Acta Analytica, 12(19), 131-145.
[Abstract]A distinction is drawn between de dicto modality which is a matter of which propositions can, cannot and must be true, given the laws of logic, and de re modality which is a matter of which situations (events or states of affairs) can, cannot and must exist, given the laws of nature. It is argued that Kripke's de re modality, defined in terms of what is true in some possible world, no possible world and all possible worlds, is an unsatisfactory amalgam of the two.
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Download: 1997f De Re Modality Without Possible Worlds.pdf