Can anyone point me to a scholarly article or book that clearly, definitively, and authoritatively defines what qualifies a person or denomination as "reformed"? I've heard Presbyterians claim that they are the only true reformed denomination; if this is the case, what authority is this based on, and why is it not just referred to either Presbyterianism (Presbyterian Theology) or Reformed Theology? For example, I consider myself a reformed, covenantal Calvinist (pretty much a non-denominational Calvinist), but since I believe in credo vs. paedobaptism, I've been told I am not reformed.

closed as primarily opinion-based by curiousdannii, KorvinStarmast, Matt Gutting, bradimus, David Stratton Nov 23 '17 at 0:31

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    Sorry, but there is no authority. If someone wants to use some unusual or eclectic definition, no one can stop them. – curiousdannii Nov 19 '17 at 6:36
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    It’s kind of like the whole discussion as to what constitutes a Christian. Every "reformed" tradition has its own definition of "reformed," so the only reliable way to determine if a theology is truly "reformed" is whether or not it identifies as such. Self-identification is the only defining criterion that can possibly be anywhere near acceptable to everyone. – Zenon Nov 19 '17 at 8:04