Jones’s argument is similar, but not identical, to Frege’s. She argues that a theory that assimilates all assertion to A is A must fail to account for cases of significant assertion—cases in which we go beyond “pure tautology”. Frege’s argument is more sophisticated, making implicit appeal to a principle of compositionality, and considering alternative theories of the semantic contents of singular terms. Still, both are concerned to correct a similar—perhaps the same—mistake. Indeed, Jones’s and