List questions from proof-explanation

Published on 11 May 2026 - 5:16

98

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Embedding of ordered sets?

Published on 10 Apr 2026 - 2:26

759

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Show that all the orbits have the cardinality $[N:N \cap \text{Stab } a]$ for some $a \in O_1$

Published on 17 Apr 2026 - 12:26

452

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Help with Epsilon-Delta proof for limits

Published on 11 Apr 2026 - 19:43

381

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Help with my proof of : Show that the projection map $\pi: X \times Y \to X$ on the product topology is an open map.

Published on 14 Apr 2026 - 5:46

135

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Explanation on the Proof that every integer greater than one may be used as a base

Published on 10 Apr 2026 - 2:32

3.5k

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Nonzero nilpotent elements in Zn

Published on 11 Apr 2026 - 23:02

4.7k

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What is backward reasoning in logic proofs?

Published on 09 Apr 2026 - 8:17

9.3k

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If $F$ is a field, then $F[x]$ is a principal ideal domain proof question

Published on 11 Apr 2026 - 17:32

3.7k

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Showing that $\Bbb R[x] / \langle x^2 + 1 \rangle$ is isomorphic to $\Bbb C$ question

Published on 16 Apr 2026 - 12:49

74

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Proof of one of the operations on Random Variables

Published on 14 Apr 2026 - 5:15

53

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Proving nth difference of squares

Published on 14 Apr 2026 - 13:46

134

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Question about determining $[\Bbb Q(\sqrt[3]2, \sqrt[4]3) : \Bbb Q]$

Published on 16 Apr 2026 - 10:08

6.2k

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Jensen's inequality proof explanation

Published on 25 Mar 2026 - 21:45

1k

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Understanding proof that connected graph with $V=E+1$ is acyclic

Published on 15 Apr 2026 - 14:22

List Question

Number Theory - Method of Proof explanation

Embedding of ordered sets?

Show that all the orbits have the cardinality $[N:N \cap \text{Stab } a]$ for some $a \in O_1$

Help with Epsilon-Delta proof for limits

Help with my proof of : Show that the projection map $\pi: X \times Y \to X$ on the product topology is an open map.

Explanation on the Proof that every integer greater than one may be used as a base

Nonzero nilpotent elements in Zn

What is backward reasoning in logic proofs?

If $F$ is a field, then $F[x]$ is a principal ideal domain proof question

Showing that $\Bbb R[x] / \langle x^2 + 1 \rangle$ is isomorphic to $\Bbb C$ question

Proof of one of the operations on Random Variables

Proving nth difference of squares

Question about determining $[\Bbb Q(\sqrt[3]2, \sqrt[4]3) : \Bbb Q]$

Jensen's inequality proof explanation

Understanding proof that connected graph with $V=E+1$ is acyclic

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