Mutual Indwelling

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8 Citations (Scopus)


Perichoresis, or “mutual indwelling,” is a crucial concept in Trinitarian theology. But the philosophical underpinnings of the concept are puzzling. According to ordinary conceptions of “indwelling” or “being in,” it is incoherent to think that two entities could be in each other. In this paper, I propose a mereological way of understanding “being in,” by analogy with standard examples in contemporary metaphysics. I argue that this proposal does not conflict with the doctrine of divine simplicity, but instead affirms it. I conclude by discussing how mutual indwelling relates to the concepts of unity (modal inseparability) and identity (qualitative indiscernibility).
Original languageEnglish
Pages (from-to)123-151
Number of pages29
JournalFaith and Philosophy
Issue number2
Early online date12 Apr 2017
Publication statusPublished - Apr 2017


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