Introduction / John Hyman, Hans-Johann Glock -- Ludwig Wittgenstein / Ray Monk -- Introductory. Wittgenstein's Philosophical Development / Wolfgang Kienzler -- Wittgenstein's Texts and Style / David G Stern -- Influences. Wittgenstein and Schopenhauer / Dale Jacquette -- Wittgenstein and Frege / Michael Beaney -- Wittgenstein and Russell / Graham Stevens -- Wittgenstein, Hertz, and Boltzmann / John M Preston -- Early Philosophy. Logical Atomism / Leo KC Cheung -- The Picture Theory / Colin Johnston -- Wittgenstein on Solipsism / Ernst Michael Lange -- Resolute Readings of the Tractatus / James Conant, Silver Bronzo -- Ineffability and Nonsense in the Tractatus / Leo KC Cheung -- Metaphysics / PMS Hacker -- Philosophy and Grammar. Philosophy and Philosophical Method / Hans-Johann Glock -- Grammar and Grammatical Statements / Severin Schroeder -- The Autonomy of Grammar / Michael N Forster -- Surveyability / Joachim Schulte -- Logic and Mathematics. Logic and the Tractatus / Roger M White -- Wittgenstein's Early Philosophy of Mathematics / Pasquale Frascolla -- Wittgenstein's Later Philosophy of Mathematics / AW Moore -- Wittgenstein and Antirealism / Mathieu Marion -- Necessity and Apriority / Eric Loomis -- Language. Names and Ostensive Definitions / Kai Büttner -- Meaning and Understanding / Jason Bridges -- Rules and Rule-Following / Gary Ebbs -- Vagueness and Family Resemblance / Hanoch Ben-Yami -- Languages, Language-Games, and Forms of Life / Daniel Whiting -- Wittgenstein on Truth / David Dolby -- Mind and Action. Privacy and Private Language / Edward Kanterian -- The Inner and the Outer / William Child -- Wittgenstein on "I" and the Self / Maximilian Gaynesford -- Wittgenstein on Action and the Will / Maria Alvarez -- Wittgenstein on Intentionality / Stefan Brandt -- Wittgenstein on Seeing Aspects / Arif Ahmed -- Wittgenstein on Color / Jonathan Westphal -- Epistemology. Wittgenstein on Knowledge and Certainty / Danièle Moyal-Sharrock -- Wittgenstein on Skepticism / Duncan Pritchard -- Wittgenstein on Causation and Induction / Constantine Sandis, Chon Tejedor -- Wittgenstein and Philosophy of Science / Vasso Kindi -- Ethics, Aesthetics, and Religion. Wittgenstein and Ethics / Robert L Arrington -- Wittgenstein and Aesthetics / Severin Schroeder -- Wittgenstein and Anthropology / Brian R Clack -- Wittgenstein and Philosophy of Religion / John Cottingham -- Wittgenstein and Psychoanalysis / Edward Harcourt -- Philosophical Schools and Traditions. Wittgenstein and the Aristotelian Tradition / Roger Pouivet -- Wittgenstein and Kantianism / Robert Hanna -- Wittgenstein and the Vienna Circle / Thomas Uebel -- Wittgenstein and Ordinary Language Philosophy / Anita Avramides -- Wittgenstein and Pragmatism / David Bakhurst, Cheryl Misak -- Wittgenstein and Naturalism / Christopher Hookway -- Wittgenstein and Continental Philosophy / Stephen Mulhall.