And using your source:
"all these Eastern-Rite Catholics of course agrees in the same Catholic Faith"
Class dismissed!
Again, your own source says different!
you might try reading your own links for a change! LOL
1. Orthodox
The first of the Eastern Churches in size and importance is the great Orthodox Church. This is, after that of the Catholics, considerably the largest body in Christendom.
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Classed dismissed, and you flunked.