As a Protestant what has convinced you that Catholics are not Christians?
I’d prefer not to hear the arguments like: (1) they worship Mary and commit idolatry; (2)prayers for the dead is sinful (3) they add to faith the OT works of the law, and so forth…
What kind of home are you raised in? What’s your denomination? Who told you Catholics are not Christians?
Is the creed shared earlier (I can’t remember who) not evidence enough that they are of the same faith as any confessing Protestant?