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Ludwig Wittgenstein
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1. Ludwig Wittgenstein
Ludwig Wittgenstein (Austrian-British philosopher) was an Austrian-British philosopher who worked in logic, the philosophy of mathematics, the mind and language.

2. Wittgenstein on color
Goethe's theory of the constitution of colours of the spectrum has not proved to be an unsatisfactory theory, rather it really isn't a theory at all. Nothing can be predicted with it. It is, rather a vague schematic outline of the sort we find in James's psychology. Nor is there any experimentum crucis which could decide for or against the theory. Ludwig Wittgenstein, Remarks on Colour, paragraphs 70 Wikipedia

3. The baby
The German word "das Kind""the baby" which is neuter. Thus, someone coming from German (or Greek, etc.) might say something like the following using a quote fragment from Ludwig Wittgenstein (Austrian-British philosopher) . Book of quotes: Ludvig Wittgenstein: On certainty. 1969. (translation).

In English, some people can get upset by hearing a baby referred to as an "it".

4. Language limits
The limits of my language mean the limits of my world. Ludwig Wittgenstein (Austrian-British philosopher)

5. Silence
What can be said at all can be said clearly; and whereof one cannot speak thereof one must be silent. Ludwig Wittgenstein (Austrian-British philosopher)

6. Remarks
One often makes a remark and only later sees how true it is. Ludwig Wittgenstein (Austrian-British philosopher)

7. Logic
Logic takes care of itself; all we have to do is to look and see how it does it. Ludwig Wittgenstein (Austrian-British philosopher)

8. Facts and the world
The world is the totality of facts, not things. Ludwig Wittgenstein (Austrian-British philosopher)

9. Propositions
It is quite impossible for a proposition to state that it itself is true. Ludwig Wittgenstein (Austrian-British philosopher)

10. Tautologies
A tautology's truth is certain, a proposition's possible, a contradiction's impossible. Ludwig Wittgenstein (Austrian-British philosopher)

11. World and life
The world and life are one. Ludwig Wittgenstein (Austrian-British philosopher)

12. Joy
I don't know why we are here, but I'm pretty sure that it is not in order to enjoy ourselves. Ludwig Wittgenstein (Austrian-British philosopher)

13. Wittgenstein and logical operations
Here is the table from Wittgenstein's Tractatus Logico-Philosophicus, 5.101. This is often cited as TLP (Tractatus Logico-Philosophicus). He completed it in 1918 (as a soldier in World War I) and published it in 1921. An English translation and Latin title was published in 1922.
I created my own table of these operations in graduate school. It was many years until I found out that it had been done long before.

Information sign More: Binary logical operations


14. Revelation 1:19 After these things
Verse routeRevelation 1:19 Write the things which thou hast seen, and the things which are, and the things which shall be hereafter; [kjv]
Verse routeγραψον ουν α ειδες και α εισιν και α μελλει γινεσθαι μετα ταυτα [gnt]

The ancient Greek phrase "μετά ταύτα""after these things" appears 111 times in the GNT (Greek New Testament) and LXX (Septuagint). John uses the phrase 10 times in Revelation.

The English word "tautology" comes from Latin "tautologia""tautology" which comes from the ancient Greek word "ταὐτολογῐ́ᾱ""tautology" and which means, literally, "same/identical reasoning/logic". This word was first applied to (propositional) logic by Ludwig Wittgenstein in 1921, being borrowed from rhetoric where an idea is repeated as in using the "same reasoning".

The modern Greek word "ταυτολογία" (tav-to-lo-Y-a) ≈ "tautology",

Information sign More: Think after what you heard and repent

15. End of page

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