If I cannot say a priori what elementary propositions there are, then the attempt to do so must lead to… — Ludwig Wittgenstein
If I cannot say a priori what elementary propositions there are, then the attempt to do so must lead to obvious nonsense.
Wenn ich die Elementarsätze nicht a priori angeben kann, dann muss es zu offenbarem Unsinn führen, sie angeben zu wollen.
Source: Wikiquote · CC BY-SA 4.0
More from this book
A tautology's truth is certain, a 's possible, a contradiction's impossible. (Certain, possible, impossible: here we have the first indication of the scale that we need in the theory of probability.)
The world and life are one.
Propositions are truth-functions of elementary propositions. (An elementary proposition is a truth-function of itself.)

