[Rob Instigator]

the Catholic church holds that, technically, anyone baptised in any "christian" church is actually a member of the Catholic church. don;t know why or how.

This is just one tiny part of all the dogma the catholic chuirch holds as infallible. (read the rest here)

The Catholic Church

1. The Catholic Church was founded by the God-Man Jesus Christ.
2. Christ founded the Catholic Church in order to continue his work of redemption for all time.
3. Christ gave his Church a hierarchical constitution.
4. The powers bestowed on the Apostles have descended to the Bishops.
5. Christ appointed the Apostle Peter to be the first of all the Apostles and to be the visible Head of the whole Catholic Church, by appointing him immediately and personally to the primacy of jurisdiction.
6. According to Christ's ordinance, Peter is to have successors in his Primacy over the whole Catholic Church and for all time.
7. The successors of Peter in the Primacy are the Bishops of Rome.
8. The Pope possesses full and supreme power of jurisdiction over the whole Catholic Church, not merely in matters of faith and morals, but also in Church discipline and in the government of the Church.
9. The Pope is infallible when he speaks ex cathedra.
10. By virtue of Divine right, the bishops possess an ordinary power of government over their dioceses.
11. Christ founded the Catholic Church.
12. Christ is the Head of the Catholic Church.
13. In the final decision on doctrines concerning faith and morals, the Catholic Church is infallible.
14. The primary object of the Infallibility is the formally revealed truths of Christian Doctrine concerning faith and morals.
15. The totality of the Bishops is infallible, when they, either assembled in general council or scattered over the earth propose a teaching of faith or morals as one to he held by all the faithful.
16. The Church founded by Christ is unique and one.
17. The Church founded by Christ is holy.
18. The Church founded by Christ is catholic.
19. The Church founded by Christ is apostolic.
20. Membership of the Catholic Church is necessary for all men for salvation.(1)