Even if they wanted to assume that it was not prophecied, they would still have to get around the fact that it happened.
Secondly, I have never been convinced that alma means "young maiden who has had sexual intercourse" rather than Virgin. I point out that every time the word is mentioned it is speaking of a lady who has her virginity.

I will get around to your specific question later, this is just food for thought for the moment.

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J. B. Atken
John Knox PCA
Layman, M.A. student at Louisiana College