Ludwig Wittgenstein Quotes About Logic

Quotes about: Logic

• There can never be surprises in logic.

  Ludwig Wittgenstein

  Math, Logic, Surprise

  Ludwig Wittgenstein (2016). “Tractatus Logico Philosophicus”, p.28, Clube de Autores

• What we cannot speak about we must pass over in silence.

  Ludwig Wittgenstein

  Silence, Logic, Speak

  Tractatus Logico-Philosophicus Proposition 7 (1922)

• Logic must look after itself. In a certain sense, we cannot make mistakes in logic.

  Ludwig Wittgenstein

  Mistake, Philosophical, Looks

  Ludwig Wittgenstein (2016). “Tractatus Logico Philosophicus”, p.21, Clube de Autores

• It is not humanly possible to gather immediately from it what the logic of language is. Language disguises thought.

  Ludwig Wittgenstein

  Logic, Language, Disguise

  Ludwig Wittgenstein (2016). “Tractatus Logico Philosophicus”, p.8, Clube de Autores

• My day passes between logic, whistling, going for walks, and being depressed. I wish to God that I were more intelligent and everything would finally become clear to me - or else that I needn't live much longer.

  Ludwig Wittgenstein

  Intelligent, Wish, Logic

  Ludwig Wittgenstein, Brian McGuinness (2012). “Wittgenstein in Cambridge: Letters and Documents 1911-1951”, p.61, John Wiley & Sons

• Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.

  Ludwig Wittgenstein

  Philosophical, Reality, Mirrors

  Ludwig Wittgenstein (2016). “Tractatus Logico Philosophicus”, p.28, Clube de Autores

• Logic takes care of itself; all we have to do is to look and see how it does it.

  Ludwig Wittgenstein

  Philosophical, Math, Reality

  Ludwig Wittgenstein (1984). “Notebooks, 1914-1916”, p.26, University of Chicago Press

• The logic of the world is prior to all truth and falsehood.

  Ludwig Wittgenstein

  Truth, Philosophical, World

  Ludwig Wittgenstein (1984). “Notebooks, 1914-1916”, p.32, University of Chicago Press

• A picture whose pictorial form is logical form is called a logical picture.

  Ludwig Wittgenstein

  Logic, Language, Form

  Ludwig Wittgenstein, David Francis Pears, Brian McGuinness (2001). “Tractatus Logico-philosophicus”, p.11, Psychology Press

• It is possible--indeed possible even according to the old conception of logic--to give in advance a description of all 'true' logical propositions. Hence there can never be surprises in logic.

  Ludwig Wittgenstein

  Philosophical, Giving, Logic

  Ludwig Wittgenstein, David Francis Pears, Brian McGuinness (2001). “Tractatus Logico-philosophicus”, p.76, Psychology Press

• The so-called law of induction cannot possibly be a law of logic, since it is obviously a proposition with a sense.--Nor, therefore, can it be an a priori law.

  Ludwig Wittgenstein

  Law, Logic, Propositions

  Ludwig Wittgenstein (1961). “Tractatus Logico-philosophicus: The German Text of Ludwig Wittgenstein's Logisch-philosophische Abhandlung”, p.116, Linkgua digital

• Russell's books should be bound in two colours, those dealing with mathematical logic in red - and all students of philosophy should read them; those dealing with ethics and politics in blue - and no one should be allowed to read them.

  Ludwig Wittgenstein

  Philosophy, Book, Mathematical Logic

  "Recollections of Wittgenstein". Book by Rush Rhees, 1984.

• Logic pervades the world; the limits of the world are also the limits of logic.

  Ludwig Wittgenstein

  Decision, World, Limits

• If you use a trick in logic, whom can you be tricking other than yourself?

  Ludwig Wittgenstein

  Use, Logic, Tricks

  "Culture and Value" by Ludwig Wittgenstein, translated by Peter Winch, (p. 24e), 1980.

• Elementary propositions consist of names.

  Ludwig Wittgenstein

  Names, Logic, Language

  Ludwig Wittgenstein (2014). “Tractatus Logico-Philosophicus: German and English”, p.89, Routledge

• All propositions are of equal value.

  Ludwig Wittgenstein

  Logic, Language, Equal

  Ludwig Wittgenstein (2012). “Tractatus Logico-Philosophicus”, p.105, Courier Corporation

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