• A propositional sign, applied and thought out, is a thought. A thought is a proposition with a sense.

    Ludwig Wittgenstein: A propositional sign, applied and thought out, is a thought. A thought is a proposition with a sense.
    Ludwig Wittgenstein, David Francis Pears, Brian McGuinness (2001). “Tractatus Logico-philosophicus”, p.22, Psychology Press