S'mon said:
Anglicans are Catholic - officially, anyway, although the Anglican Church of Ireland is certainly seen as a Protestant church. However I thought Lewis was born Anglican & became Roman Catholic later?
The (Roman) Catholic view I learned in parochial school is that Anglicans (Episcopals in America) are like Orthodox, Coptic, and a few other really old Christian sects. That is, they are not technically "Catholic", but they are "real" anyhow, because their priests were ordained by priests who were ordained by our guys, who were ordained by Peter, who was "the rock (petra in Latin) upon which I build my church", according to Jesus, if you traced it back all the way back. So, they're sacriments count -- if, for some reason, you can't go a Catholic mass on Sunday, Anglican or Orthodox is OK, sort of like they're part of same Frequent Flier club.
That's the theology, at least from the Catholic POV as learned by a 12 year old.
From the practical/historical/political side, Anglicans are Protestants, but they're about as close to Catholic as Protestants get, with differences between High Church (Oxford influenced, Cavalier, almost "crypto-Catholic", with "the whiff of incense") and Low Church (more puritanical, Roundhead-supporting).
Hmmm, anyway to get that back to talking about Greyhawk?
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