New Advent/Catholic Encyclopedia is not to be considered an official or entirely accurate source of Catholic teaching.......I sometimes use it for the references it provides and then go to them, but it's very verbose and does not take much care in accuracy of doctrine. For key terms and doctrine where you might find reason for debate,
This encyclopedia isn't good for this - so I go here and then I go there. That's man for you, always changing and adds confusion.
God's WORD ALWAYS WAS and ALWAYS WILL BE THE SAME! And that is what HIS CHURCH is built on.