1. The world is everything 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 t… - Ludwig Wittgenstein

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1. The world is everything 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 a sense.
5. A proposition is a truth-function of elementary propositions. (An elementary proposition is a truth-function of itself.)
6. The general form of a proposition is the general form of a truth function, which is: [p, E, N(E)]. This is the general form of a proposition.
7. Whereof one cannot speak, thereof one must be silent.