I've recently been studying category theory (mathematics), in which the relations between objects are generalized to a very abstract level. I was wondering therefore if the relations between the Father, Son, and Holy Spirit could be expressed in terms of concepts from category theory.

The explanations and analogies for the Trinity are often inadequate / oversimplified, but due to the nature of category theory I thought there may be a way to express the Trinity in terms of category theory.

This question of course calls for some background knowledge in category theory, which not everyone may have, but I appreciate any answers anyone can provide!

  • 4
    People have difficultly explaining the Trinity with words. It would be orders of magnitude more difficult to do so without words.
    – curiousdannii
    Jun 22, 2022 at 3:54
  • Somewhat related: christianity.stackexchange.com/q/81045/50422. Probably of interest: philosophy.stackexchange.com/q/79273/48437
    – user50422
    Jun 22, 2022 at 5:26
  • 2
    The revelation of the Deity is in the sending of the Son. If individuals do not hear His word and believe on him, they will have no understanding of the Deity. Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son. 2 John 1:9.
    – Nigel J
    Jun 22, 2022 at 10:23
  • 1
    Would the answer be significantly different from the mathematics represented by the standard "is"/"is not" tetrahedron diagram ? Jun 22, 2022 at 14:10
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    Jun 22, 2022 at 15:04


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