7.
[p, ξ, N(ξ)]
LED Matrix with stainless steel box, 180 cm × 26 cm × 6 cm
IX, 2025
1. The world is all that is the case.
2. What is the case—a fact—is the existence of states of affairs.
3. A logical picture of facts is a thought.
4. A thought is a proposition with sense.
5. A proposition is a truth-function of elementary propositions.
6. The general form of a truth-function is [p, ξ, N(ξ)].
7.
“He who understands me finally recognizes my propositions as senseless,
when he has climbed out through them, on them, over them.
(He must, so to speak, throw away the ladder, after he has climbed up it.)”
— Tractatus Logico-Philosophicus, 6.54