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Tractatus Logico-Philosophicus · Chapter

6.31 explained

Wittgenstein argues that the so-called law of induction is not a logical law because it is a significant proposition, and therefore cannot be an a priori law either.

What happens

Wittgenstein argues that the so-called law of induction is not a logical law because it is a significant proposition, and therefore cannot be an a priori law either.

Themes in this chapter

  • Logic and Tautology

    Distinguishes logical laws from significant propositions

  • Nonsense and Meaning

    Highlights that significant propositions are not a priori logical truths

Characters to notice

Key passages

  • The so-called law of induction cannot in any case be a logical law, for it is obviously a significant proposition.⁠—And therefore it cannot be a law a priori either.

    The principle of induction is not a law of logic because it conveys factual content, so it cannot be known independently of experience.

    Clarifies Wittgenstein's rejection of induction as a logical or a priori principle