I meant to add that it is possible to utter perfectly formulated logical statements in which each premise is undeniably true, and still reach a conclusion that conflicts with reality. That is a problem with language.
Usually it is easy to find some obvious fallacy or misuse of language, but not always.
Right. And it is a problem with the nature of human thought. Ol' Parmenides slipped out the back when he claimed the equivalence of thinking and being.