Idiolectal Error

<jats:p>A linguistic theory is correct exactly to the extent that it is the explicit statement of a body of knowledge possessed by a designated language‐user. This popular psychological conception of the goal of linguistic theorizing is commonly paired with a preference for idiolectal over social languages, where it seems to be in the nature of idiolects that the beliefs one holds about one's own are <jats:italic>ipso facto</jats:italic> correct. Unfortunately, it is also plausible that the correctness of a genuine belief cannot consist merely in that belief's being held. This paper considers how best to eliminate this tension.</jats:p>