All chapters

Tractatus Logico-Philosophicus · Chapter

4.4 explained

Wittgenstein defines a proposition as the expression of agreement and disagreement with the truth-possibilities of elementary propositions, establishing the logical relationship between complex propositions and their atomic constituents.

What happens

Wittgenstein defines a proposition as the expression of agreement and disagreement with the truth-possibilities of elementary propositions, establishing the logical relationship between complex propositions and their atomic constituents.

Themes in this chapter

  • Logical Atomism

    The proposition is analyzed in terms of agreement and disagreement with truth-possibilities of elementary propositions, reflecting the atomistic structure of language and reality.

  • Logic and Tautology

    The notion of truth-possibilities underpins the logical calculus of propositions, including tautologies and contradictions.

Characters to notice

  • Mr. Wittgenstein

    Author of the Tractatus, presenting the logical structure of propositions.

Key passages

  • A proposition is the expression of agreement and disagreement with the truth-possibilities of the elementary propositions.

    A proposition articulates which combinations of true or false elementary propositions it aligns with or opposes.

    This defines the proposition as a truth-function of elementary propositions.