When you consider the fatc that the early Church (i.e. first few centuries after Jesus died) followed Catholic Church practices and indesputably believed in the eucharist, had the pope as head of the church, had priests (presbyers), bishops etc, how can protestants claim that the catholic church is not the one true church?
I’ll assume that you would actually like an answer to your question. If so, I would suggest that you start by listening to the Protestant explanations (as opposed to listening to non-Protestants tell you why Protestants can be so ignorant as to not believe all that the Catholic Church claims for itself).
It is true that most Protestants are ignorant of early church history…but then, it is also true that most conservative Catholics are also ignorant of early church history. The difference is that most of those ignorant Protestants don’t particularly care about what an ECF in 300 AD believed and most of those ignorant Catholics think that they know what that ECF in 300 AD believed b/c they have read (sometimes even copied and pasted) a view quotes from that ECF.
One of the greatest dividing lines is the attitude one has for the ECFs. The Catholic tends to think that (typically) if an ECF taught (X) in 300 AD, then (X) must have been believed in 150 AD and if (X) was believed in 150 AD then it must have been taught by the apostles themselves in 75 AD. Thus, amongst Catholics there tends to be an attitude that an ECF would not dream of introducing a true novelty and that if one ECF so strayed, then the other ECFs would collectively dismiss and eliminate that novelty. Further, there is a belief in Catholicism that the Catholic church is the one true church and that a certain promise by Christ must be interpreted to mean that the one true church can not officially teach error. (The “officially” qualifier is needed b/c history gives examples where Catholic leaders taught error.)
In contrast, this Protestant tends think that if an ECF taught (X) in 300 AD, then it is far from certain that (X) was believed in 150 AD and even if (X) was believed in 150 AD, then it is still far from certain that (X) was taught by the apostles themselves in 75 AD. I do believe that the ECFs did introduce true novelties and that, on occasion, the ECFs grabbed onto such novelties and expanded upon them. Further, since I do not believe that the CC is the one true church, the alleged promise by Christ (to keep the one true church from officially teaching error) would not apply to he CC (if I held to that interpretation of the promise, which I don’t).
…indesputably believed in the eucharist,…
Indisputably believed what about the Eucharist? A Catholic author by the name of J T O’Connor, wrote a book on the Eucharist called “The Hidden Manna”. That book seems rather respected in catholic circles. O’Connor, a fellow that believes that Augustine held to a real presence, felt that he had to acknowledge that van der Meer, the author of a renowned work on Augustine, concluded that with respect to Augustine: “It is perfectly true, however, that there is nowhere any indication of any awareness of the Real Presence of Christ in the Sacrament, or that he thought very much about this subject or made it the object of devotion; that was alien to the people of that age – at any rate in the West.” That is what a renowned (O’Connor’s word) expert on Augustine concluded…yet you feel qualified to say that the early belief in the Eucharist was indisputably Catholic? How so?
…had the pope as head of the church,…
A rather famous Catholic historian by the name of Garry Wills doesn’t believe this claim (except wrt Peter being a focal point for unity)…and if you read his books
Papal Sin and
Why I am Still Catholic you would get a glimpse of some of the historical evidence that causes some historians to reject your claim that papal supremacy was taught from the outset. Your claim is far from indisputable…and from what I can tell, losing ground in historical circles.
…had priests (presbyers), bishops etc, how can protestants claim that the catholic church is not the one true church?
As one goes down your list, Protestants tend to conclude that your listed items (plus, of course, the Marian doctrines and indulgences) are things that have been added to the original “Rule of Faith” and have now become mandatory beliefs. Therefore, the modern CC has a set of mandatory beliefs that is different from the original set of mandatory beliefs that was held by the true apostolic church(es). A different set of mandatory beliefs means that it is a different church…and if it is a different church, then it is not the one true church.
That is the Reader’s Digest Condensed version. I hope that it helped you understand a different perspective.