"On the Ecclesiastical Distinction of 'Potentiality and in Actuality' ('δυνάμει και ενεργεία') in the Orthodox Church," by Nikolaos Mannis.
Part 1: Who First Used the Phrase "Potentially and in
Actuality"?
Part 2: "Potentially and in Actuality" and the
Necessity of Synodal Judgment
Part 3: The Misinterpretation of "Potentially and in
Actuality" as the Justification for Communion with Heretics and its
Refutation
https://drive.google.com/file/d/1VqPAOBugDE1CN82JWTK2NkBgu9HUh9tR/view?usp=sharing