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On an adequate theory of modality, according to which possibility in principle is ontological as well as logical, "real" and "logical" possibility are correlative, every real possibility being also a logical possibility-and possibility—and vice versa.

But there remains the important distinction between being possible merely in principle and being possible also in fact. Why not express this distinction by further distinguishing "ontological possibility" from "ontic possibility"?

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Thus I understand:
by "logical possibility," "anything that makes coherent sense";
by "outological ontological possibility," "anything whose actuality is compatible with the nature of concrescence as such, as the indispensable referent of all coherent meaning"; and by "ontic possibility," "anything whose actuality is made possible by certain ontic, or factual, conditions that are not only possible but actual."

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