I will try to show that there exists an initiatory theological-philosophical tradition, the acknowledgement of which entails a set of considerations that I believe can shed light on the debate, as framed by JL Mackie in The Subjectivity of Values, about the ontological status of moral entities and relations and the intuitive faculty by means of which they are known.

https://www.academia.edu/36291083/In_Defence_of_Moral_Realism

Millerman.teachable.com