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Question about the proof of the Cauchy Binet Formula

score 186 · Answer 1 · 2026-04-10 03:45:30

186

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Question about the proof of the Cauchy Binet Formula

Published on 10 Apr 2026 - 3:45

score 1.8k · Answer 2 · 2026-04-13 06:18:41

1.8k

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Proof by contradiction to show two equations are not equal

Published on 13 Apr 2026 - 6:18

score 54 · Answer 3 · 2026-04-12 21:16:08

54

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Proof check and help: Stable equilibrium and maximal solution of a non-linear system

Published on 12 Apr 2026 - 21:16

score 128 · Answer 4 · 2026-04-14 05:49:46

128

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Show that if $X \subset R$ is bounded above, then $\overline{X}$ is also bounded above.

Published on 14 Apr 2026 - 5:49

score 33 · Answer 5 · 2026-04-17 05:35:06

33

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Show that $\Gamma \vDash_{taut} B \leftrightarrow \Gamma \cup \{\lnot B\}$ is unsatisfiable.

Published on 17 Apr 2026 - 5:35

score 34 · Answer 6 · 2026-04-11 04:19:55

34

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Question on proofs of limits

Published on 11 Apr 2026 - 4:19

score 563 · Answer 7 · 2026-05-10 23:31:37

563

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Let $I$ be an ideal of a ring $(R,+,\cdot)$. Prove that the quotient homomorphism $\varphi : R \rightarrow R / I$ is a ring homomorphism

Published on 10 May 2026 - 23:31

score 1.2k · Answer 8 · 2026-04-13 15:37:44

1.2k

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A formal epsilon-delta proof for the Continuity Law for Composition

Published on 13 Apr 2026 - 15:37

score 62 · Answer 9 · 2026-05-10 23:27:53

62

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Some inequalities similar to Lagarias inequality

Published on 10 May 2026 - 23:27

score 1.3k · Answer 10 · 2026-05-16 09:27:57

1.3k

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Show that every ordered set with the well ordering has the least upper bound property

Published on 16 May 2026 - 9:27

score 118 · Answer 11 · 2026-05-15 02:08:11

118

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Find minimum value of $P=17x^2+17y^2+16xy$

Published on 15 May 2026 - 2:08

score 2.5k · Answer 12 · 2026-04-11 05:13:34

2.5k

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A characterization of Weak Convergence in $L^p$ spaces

Published on 11 Apr 2026 - 5:13

score 77 · Answer 13 · 2026-04-15 03:23:54

77

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Prove that $\limsup_{n\ge 1}x_n$ can also be expressed as the $\inf$ of a certain set.

Published on 15 Apr 2026 - 3:23

score 860 · Answer 14 · 2026-05-10 21:26:57

860

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Is it true that for some datasets certain percentiles don't exist?

Published on 10 May 2026 - 21:26

score 180 · Answer 15 · 2026-04-14 10:26:35

180

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Showing that an arbitrary intersection of compact sets is compact in $\mathbb{R}$

Published on 14 Apr 2026 - 10:26

List Question

Question about the proof of the Cauchy Binet Formula

Proof by contradiction to show two equations are not equal

Proof check and help: Stable equilibrium and maximal solution of a non-linear system

Show that if $X \subset R$ is bounded above, then $\overline{X}$ is also bounded above.

Show that $\Gamma \vDash_{taut} B \leftrightarrow \Gamma \cup \{\lnot B\}$ is unsatisfiable.

Question on proofs of limits

Let $I$ be an ideal of a ring $(R,+,\cdot)$. Prove that the quotient homomorphism $\varphi : R \rightarrow R / I$ is a ring homomorphism

A formal epsilon-delta proof for the Continuity Law for Composition

Some inequalities similar to Lagarias inequality

Show that every ordered set with the well ordering has the least upper bound property

Find minimum value of $P=17x^2+17y^2+16xy$

A characterization of Weak Convergence in $L^p$ spaces

Prove that $\limsup_{n\ge 1}x_n$ can also be expressed as the $\inf$ of a certain set.

Is it true that for some datasets certain percentiles don't exist?

Showing that an arbitrary intersection of compact sets is compact in $\mathbb{R}$

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