6.1 The propositions of logic are tautologies. 6.2 Mathematics is a logical method. The propositions of mathematics are equations, and therefore pseu… - Ludwig Wittgenstein

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6.1 The propositions of logic are tautologies.
6.2 Mathematics is a logical method. The propositions of mathematics are equations, and therefore pseudo-propositions.
6.3 The exploration of logic means the exploration of everything that is subject to law. And outside logic everything is accidental.
6.4 All propositions are of equal value.
6.5 When the answer cannot be put into words, neither can the question be put into words. The riddle does not exist. If a question can be framed at all, it is also possible to answer it.

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About Ludwig Wittgenstein

Ludwig Wittgenstein (26 April 1889 – 29 April 1951) was an Austrian-born philosopher who spent much of his life in England.

Biography information from Wikiquote

Also Known As

Native Name: Ludwig Josef Johann Wittgenstein
Alternative Names: Ludwig Joseph Johann Wittgenstein Wittgenstein
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Additional quotes by Ludwig Wittgenstein

And nothing is more wrong-headed than calling meaning a mental activity! Unless, that is, one is setting out to produce confusion. (It would also be possible to speak of an activity of butter when it rises in price, and if no problems are produced by this it is harmless.)

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"Tell me," Wittgenstein's asked a friend, "why do people always say, it was natural for man to assume that the sun went round the earth rather than that the earth was rotating?" His friend replied, "Well, obviously because it just looks as though the Sun is going round the Earth." Wittgenstein replied, "Well, what would it have looked like if it had looked as though the Earth was rotating?"

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