This Element provides clear and concise explanations of Wittgenstein's early criticisms of Russell's theory of judgment, which led to central features of Wittgenstein's Tractatus. It provides unfamiliar students with these…

Philosophers since Aristotle have traditionally held that impossibilities make up the nature of logic. Sanford Shieh investigates an important but underexplored break with this tradition: Frege and Russell questioned whether…