Example image of eyePlorer eyePlorer map for 'Philosophical Investigations': Ludwig Wittgenstein Tractatus Logico-Philosophicus Logic Philosophy of mathematics Philosophy of mind Semantics Philosophy G. E. M. Anscombe Maieutics Socrates Thought experiment Gottlob Frege Platonic realism Sense and reference Fly-killing device Definition Chess Duck, duck, goose Solitaire Ostensive definition Olympic Games Language-game Wittgenstein's Beetle (and other classic thought experiments) Saul Kripke Colin McGinn Gordon Park Baker John McDowell Peter Hacker Wittgenstein on Rules and Private Language Philosophical zombie Behaviorism Fiction Grammar Cognitivism (psychology) Phenomenology (philosophy) Linguistics Bertrand Russell Logical atomism Formal system Contextualism Indexicality New Wittgenstein Private language argument Family resemblance Rush Rhees Cora Diamond Dogg's Hamlet, Cahoot's Macbeth Peter Schlemiel Game Gareth Matthews