> if I'm reading it properly. And now I'm not sure I'm not the one who isn't reading things properly. (And that sentence probably doesn't help matters.) I'll

> if I'm reading it properly. And now I'm not sure I'm not the one who isn't reading things properly. (And that sentence probably doesn't help matters.) I'll point to (the "only if" part of) https://en.wikipedia.org/wiki/If_and_only_if#Distinction_from_"if"_and_"only_if" https://en.wikipedia.org/wiki/If_and_only_if#Distinction_fro..., which I think agrees with me and disagrees with you, assuming I'm not misreading one or both.