Quote #22
Propositions are truth-functions of elementary propositions. (An elementary proposition is a truth-function of itself.) (5)
More from Ludwig Wittgenstein
- A tautology's truth is certain, a proposition's possible, a contradiction's impossible. (Certain, possible, impossible: here we have the fi…
- If I cannot say a priori what elementary propositions there are, then the attempt to do so must lead to obvious nonsense. (5.5571)
- It is quite impossible for a proposition to state that it itself is true. (4.442)
- The limits of my language mean the limits of my world. (5.6)
- Philosophy aims at the logical clarification of thoughts. Philosophy is not a body of doctrine but an activity. A philosophical work consis…
- Logic pervades the world: the limits of the world are also its limits. So we cannot say in logic, 'The world has this in it, and this, but …
- The thought is the significant proposition. (4)
- This remark provides the key to the problem, how much truth there is in solipsism. For what the solipsist means is quite correct; only it c…