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Wittgenstein wrote the ''Tractatus Logico-Philosophicus'' (1922) and ''Philosophical Investigations'' (1953) amongst other things; both concerned with the intersection of [[logic]] and [[language]] (Analytic philosophy).

Wittgenstein wrote the ''Tractatus Logico-Philosophicus'' (1922) and ''Philosophical Investigations'' (1953) amongst other things; both concerned with the intersection of [[logic]] and [[language]] (Analytic philosophy).

Philosophers often refer to an "early" and "late" Wittgenstein as a result of the dichotomy between the views presented in the two works.  The ''Tractatus'' put forward a view akin to [[Logical positivism|Logical Positivism]] of complex propostions being constructed from basic "atomic" facts by the operation of logic.  The Wittgenstein in the ''Tractatus'' attempted to get people to stop doing philosophy as such.  He felt that since one cannot properly discuss the disciplines of metaphysics, theology, or anything predicated upon them, in the language of atomic facts and logical operators, one ought not discuss them at all.  He concludes his ''Tractatus,'' thusly, " 6.54, My propositions are elucidatory in this way: he who understands me finally recognizes them as senseless, when he has climbed out through them, on them, over them. (He must so to speak throw away the ladder, after he has climbed up on it.)  He must surmount these propositions; then he sees the world rightly. 7, Whereof one cannot speak, thereof one must be silent."[http://www.kfs.org/~jonathan/witt/tlph.html]

Philosophers often refer to an "early" and "late" Wittgenstein as a result of the dichotomy between the views presented in the two works.  The ''Tractatus'' put forward a view akin to [[Logical positivism|Logical Positivism]] of complex propositions being constructed from basic "atomic" facts by the operation of logic.  The Wittgenstein in the ''Tractatus'' attempted to get people to stop doing philosophy as such.  He felt that since one cannot properly discuss the disciplines of metaphysics, theology, or anything predicated upon them, in the language of atomic facts and logical operators, one ought not discuss them at all.  He concludes his ''Tractatus,'' thusly, " 6.54, My propositions are elucidatory in this way: he who understands me finally recognizes them as senseless, when he has climbed out through them, on them, over them. (He must so to speak throw away the ladder, after he has climbed up on it.)  He must surmount these propositions; then he sees the world rightly. 7, Whereof one cannot speak, thereof one must be silent."[http://www.kfs.org/~jonathan/witt/tlph.html]