Though Ohr is different from Maor in that it is a Metzius Nimtza, but it can’t (yet) be a Makor because A. That would make creating it a Peula (or: Hispaalus) in Atzmus and Shanisi, B. Creation wouldn’t be gradual, C. It wouldn’t be Ohr (MeAin HaMaor). Page 464-5. NEW SV p. 611-12.
