https://archive.org/details/saint-hilary-on-trinity_202109/page/n83/mode/2up St. Hilary wrote on the Arian belief system and why it was heresy. The link is set to Page 84 where Book V starts if you're interested in arguments against the 350s A.D. controversy. The whole book is interesting to me.
Thank you. Did you watch the video?
Partially, not done with it yet, I took a detour and went to the websites referenced in the youtube description to explore what resources might be there since the video was reading off of text and I wanted to see what all was available to read. The topic of Arianism is one that I read about several years ago when wandering through a library and I find it interesting since it is about the Trinity.
I looked up part 1 https://www.youtube.com/watch?v=0PQJ_PtV8eA, having finished part 3 video link you provided, but it was missing info part about Arianism, so 'circled back'
(post is archived)