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Tractatus Logico-Philosophicus · Chapter
5.141 explained
Wittgenstein states that if two propositions mutually imply each other, they are identical.
What happens
Wittgenstein states that if two propositions mutually imply each other, they are identical.
Themes in this chapter
Logic and Tautology
Mutual implication defines propositional identity within logical structure
Characters to notice
- Mr. Wittgenstein
Author of the proposition
Key passages
“If p follows from q and q from p then they are one and the same proposition.”
If two propositions entail each other, they are identical.
Logical equivalence entails identity