“It’s not my mere opinion that there is no valid phoneme combination in Hebrew with which to pronounce, “YHWH.” A fact is either true or false.”
No, a “fact” (really an assertion) can be true, false, or we could lack the necessary information to make a determination. In this case, from a purely scholarly viewpoint, the third option is the most sensible conclusion.
You see, there are no ancient Hebrew speakers who we can ask this question to and get a definitive answer. We have modern Hebrew speakers, and ancient Hebrew linguists, but neither of them are in a position to make such a definitive statement. The best they can say is that they don’t think there was any such combination. They really can’t know.
Now, we may not be able to say definitively if there was such a combination, but the best evidence we have of ancient Hebrew usage is undoubtedly the Bible, which, in the text, demonstrates that the name was in fact spoken, inferring strongly that it was pronounceable.
If you are a Christian, then the textual evidence is more than an inference, it is inspired Scripture. So, in that case, the option that our current understanding of ancient Hebrew is correct, and the text is wrong, is out the window. The logical conclusion is that our current understanding of ancient Hebrew is incomplete. Of course, we already know that from many other evidences besides this one.
Are you suggesting that there is textual evidence for a pronunciation of “YHWH”? That the Jews and ancients somehow missed? That when the texts were copied over by ancient Christians for public reading, the needlessly substituted “Kyrie” (”LORD”) for “YHWH” because the simply didn’t pick up on something which told them how to pronounce it?
Oh, and your point about assertions being true, false, or unknownable is well-taken; but then use the word, “assertion” instead of “opinion.” An opinion, by nature, is unable to be proven.