A person may believe that a proposition is true even though it is not true, and a proposition may be true though neither he nor anyone else believes it. "The earth is flat" was once universally believed to be true, although it is false. The truth or falsity of propositions is not influenced by our beliefs about them. To be true, our beliefs must accord with the facts of reality; the facts of reality do not accommodate themselves to our beliefs These points may seem obvious, but people occasionally utterance that show that they are confused about them or have forgotten them t's proved true" and "A proposition