Yes it is. Catholic dogma dictates that the Pope is the true representative of God and that he functions as the literal mouthpiece of God. Schisms might be true but, according to Catholicism, there can’t be a mistake when it comes to the Pope and what he says when speaking on doctrine. It’s called Papal Infallibility.
Accordingly, that means any schisms from Catholicism, by definition, aren’t Catholic because they break the promise Jesus made to Peter.
No it doesn’t. It leans on Catholic dogma being defined by Catholics. Papal infallibility comes from Jesus’ promise to Peter that whoever leads the Church will always be guided by God. Since it comes directly from Jesus, the figurehead of Catholicism, the only “truth” that needs to be accepted is that Jesus + Pope (Peter) is Catholicism. There’s no question of truth or victory. The very foundation of the idea of Catholicism relies on the idea that the Pope is never wrong on issues of doctrine and dogma.
That doesn't change the fact that Palmerians consider themselves the one true catholic church and that they consider their members catholic. They would claim their anti-pope is the infallible one, not Pope Francis.
It doesn’t matter what they consider themselves, though. That’s the point. If the Pope is the mouthpiece of god and is infallible, then their sect (and by extension their anti-pope) cannot be Catholics since dogma and doctrine dictate that the actual Pope is infallible and beyond contestation.
If both churches consider themselves with infallible popes declaring gods will on earth, who is right? Do you see the dilemma? Neither can say that the other sect are true Catholics.
So if someone claims to be catholic but doesn't accept Pope Francis that doesn't make them not a catholic, it just means they don't think Pope Francis is the legitimate pope. They would consider him an antipope and his statements ex cathedra are therefore fallible since they aren't really statements ex cathedra in their minds.
No. You're wrong. The original Catholic dogma, directly from St. Peter and promised by Jesus, states that the Pope will forever be the mouthpiece of god. To directly contradict that at a point in the future after the founding of the church when the lineage of the church is unbroken is to become, by definition, something other than a Catholic. Otherwise, you're saying that Jesus lied or that the Pope is wrong, both ideas that go completely against the central tenets of the religion.
Whether or not both churches consider themselves anything is irrelevant. One side can say that they are the true Catholics if they were the ones to create the belief system, dogma, and tenets. The other side can't say that the actual Catholics aren't true Catholics because Catholic belief is defined by the infallibility of the leader of the organization. By direct influence of their god, he is perfect in all matters of dogma, religion, and definition. In order to defy that, you're defying the god upon which the religion is founded which makes their beliefs heresy and hypocrisy.
I can't even believe this is being debated right now, especially like this.