# Tractatus Logico-Philosophicus

By Ludwig Wittgenstein.

"Tractatus Logico-Philosophicus" by Ludwig Wittgenstein is a philosophical work written during World War I and published in 1921. This austere book seeks to define the relationship between language and reality and establish the limits of science. Composed of 525 hierarchically numbered declarative statements, it presents seven main propositions without traditional arguments. The work profoundly influenced twentieth-century philosophy, particularly logical positivism, though Wittgenstein later criticized many of its ideas. Its famous closing statement addresses the boundaries of meaningful expression. (Summary by Project Gutenberg, written by machine.)

- Language: German, English
- Contributor: Bertrand Russell
- Translator: C. K. Ogden
- Subjects: Logic, Symbolic and mathematical; Language and languages -- Philosophy

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From Project Gutenberg. Public domain in the United States.