17 Jun '18 13:34>
Originally posted by @fmfTheological justification for anything is found in the scriptures.
I am not asking you whether you reckon the question is "moot". For what theological reasons do some Christians believe that Catholics will not be "saved"? Some go further and view the Catholic Church as a "Satanic" cult. What are their theological justifications for such a view?
Let me put it to you this way, as an attempt to provide a substantive answer to your question; when a believer goes to heaven and God asks them why He should let him in, and the believer answers that they went to a particular denominational church, God will more than likely say, "never heard of it".
The issue of interdenominational strife is far to broad a subject to squabble over in this format. It simply boils down to God's perspective.
But since you don't hold to that ideological perspective you will insist on holding a discussion where you define the terms.