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Tractatus Logico-Philosophicus · Chapter

4.43 explained

Wittgenstein explains that agreement with truth-possibilities is expressed by coordinating the mark 'T' (true) in the schema, while its absence indicates disagreement.

What happens

Wittgenstein explains that agreement with truth-possibilities is expressed by coordinating the mark 'T' (true) in the schema, while its absence indicates disagreement.

Themes in this chapter

  • Logic and Tautology

    The use of the 'T' mark to express agreement with truth-possibilities relates to the logical structure of propositions.

Characters to notice

Key passages

  • Agreement with the truth-possibilities can be expressed by coordinating with them in the schema the mark “T” (true). Absence of this mark means disagreement.

    We can show that a proposition agrees with the possible truth values by placing a 'T' next to them in the truth table; if there is no 'T', it indicates disagreement.

    Clarifies the notation for truth-conditions in the Tractatus.