The Commens Dictionary
Quote from ‘Possibility, Impossibility, and Possible’
Metaphysical possibility ought to mean a possibility of existence, nearly a potentiality; but the phrase does not seem to be used in that sense, but rather in the sense of possibility by supernatural power.
DPP 2:315; CP 6.371
‘Metaphysical Possibility’ (pub. 11.08.17-10:01). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-possibility-impossibility-and-possible-0.