The important sense of || point about || of Frege's mark of assertion || assertion sign is put perhaps || perhaps put best if we say: || by saying: it indicates clearly the beginning of the sentence. – That || This is important: because || for our philosophical difficulties concerning the nature of “ || ‘negation” || ’ and of “ || ‘thinking” || ’, originate || spring in a sense from || in a sense, are due to the fact that we don't see || realise that a sentence || an assertion “⊢ not p”, or “⊢ I believe p”, and the sentence || assertion “⊢ p” have “p” in common, but not “⊢ p”. (For if I hear someone say, || the words “it's raining”, then I don't know what he has said if I don't know

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(2015–) Wittgenstein Source Bergen Nachlass Edition (WS-BNE). Edited by the Wittgenstein Archives at the University of Bergen under the direction of Alois Pichler. In: Wittgenstein Source, curated by Alois Pichler (2009–) and Joseph Wang-Kathrein (2020–). (N) Bergen: WAB.