In his later work, Wittgenstein rejected the idea that language has a single essence. Instead, he argued that 'meaning is use'—different words and sentences function differently in different contexts (language-games), like the different roles chess pieces play. Understanding a word means mastering the rules of its use within a form of life. Meaning is not fixed by reference or structure but by practice.
Study concrete examples of different uses (naming, questioning, joking, cursing, greeting) to see that 'meaning is use' isn't a slogan but an observation about linguistic practice. Compare with earlier semantic theories.
Language-games are just examples Wittgenstein used—the concept is central to his philosophical method. Meaning is purely subjective—meaning is rule-governed and public, embedded in shared forms of life.
From the *Tractatus*, you know Wittgenstein's early picture: language works by picturing facts — elementary propositions map onto atomic states of affairs, and the logical structure of language mirrors the logical structure of the world. This is a grand unified theory of meaning. Every meaningful sentence has a determinate logical form, and meaning is a matter of correspondence between linguistic structure and worldly structure. The later Wittgenstein's repudiation of this view begins with a simple observation: language doesn't actually work this way. Consider all the things we do with language — greeting someone, telling a joke, giving an order, praying, cursing, playing word games, describing a dream. None of these obviously fit the picture-fact model.
The concept of language-games captures this plurality. A language-game is a complete practice — a form of activity in which particular words and sentences have their use. The word "pain" functions differently in a medical interview, in a poem, in a complaint to a friend, and in a philosophical seminar. These are different language-games, and "pain" does not have a single underlying essence that unifies all these uses; rather, its meaning in each context is determined by the rules and practices of that context. This is what Wittgenstein means by "meaning is use" — not a slogan, but an observation that the meaning of an expression is exhausted by its correct use in a practice. There is nothing hidden behind the use, no mental image or abstract object that the use refers to.
A related concept is family resemblance. Wittgenstein asks: what is common to all games? Board games, card games, athletic competitions, ring-around-the-rosie? There is no single property they all share — instead, they form a family with overlapping and criss-crossing similarities, like the resemblances among family members (same nose, same laugh, but no single feature everyone has). The same is true of most concepts. Searching for the essence of "game" or "language" — a set of necessary and sufficient conditions — is the wrong methodology. Meaning is not essence; it is use in a form of life.
The concept of a form of life (*Lebensform*) is what anchors language-games in practice. Language-games are not free-floating abstract systems; they are embedded in the ways human beings actually live — our biological needs, social institutions, shared reactions, and background practices. The rules of a language-game have their life only within this broader background. This is why Wittgenstein's view resists the idea that meaning is purely subjective: if meaning were a private mental event, it would be impossible to follow rules (or misfollow them) and impossible for others to correct you. Meaning is normative and public — there is a difference between thinking you are following a rule and actually following it, and that difference is settled by shared practice, not by introspection. This sets up the private language argument that follows: if meaning requires public criteria and shared use, then the idea of a language that only one person could in principle understand is incoherent.
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