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k.stm

I'm a student of mathematics in Germany.

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85 Proof of triangle inequality Feb 18 '13
29 Meaning of the backslash operator on sets Dec 25 '14
21 If Gal(K,Q) is abelian then |Gal(K,Q)|=n Feb 8 '14
19 How to interpret material conditional and explain it to freshmen? Nov 7 '12
17 How to prove the continuity of the metric function? Jan 26 '13
16 Is every element in a set also an element of the powerset? Jun 21 '13
16 Taylor expansion of $(1+x)^α$ to binomial series – why does the remainder term converge? May 26 '13
15 Embeddings $A → B → A$, but $A \not\cong B$? May 20 '14
15 What is the rule for something divided by itself equaling 1? May 5 '16
13 Example of a non-splitting exact sequence $0 → M → M\oplus N → N → 0$ Dec 27 '14
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