Question

Improving clarity and argumentation with hard-to-describe combinatorial proof

score 128 · Answer 1 · 2026-04-12 18:44:29

128

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Improving clarity and argumentation with hard-to-describe combinatorial proof

Published on 12 Apr 2026 - 18:44

score 53 · Answer 2 · 2026-03-30 23:15:33

53

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How to negate $\forall\epsilon > 0,\; \exists n_0=n_0(\epsilon)\in \Bbb{N},\ni |a_n-a^{*}| <\epsilon,\;\;n\geq n_0$

Published on 30 Mar 2026 - 23:15

score 582 · Answer 3 · 2026-04-09 03:13:22

582

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Floor function proof using division algorithm

Published on 09 Apr 2026 - 3:13

score 242 · Answer 4 · 2026-04-11 12:41:01

242

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A combinatorial proof of Wilson's theorem [Proof Verification]

Published on 11 Apr 2026 - 12:41

score 395 · Answer 5 · 2026-04-06 15:39:23

395

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If $n = km$ is a Descartes number with quasi-Euler prime $m$, then $m < k$.

Published on 06 Apr 2026 - 15:39

score 190 · Answer 6 · 2026-03-25 09:29:51

190

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If $\operatorname{Ran} R \subset \operatorname{Dom }S$. Prove $ \operatorname{Dom} (R) \subset\operatorname{Dom}(S \circ R ) $

Published on 25 Mar 2026 - 9:29

score 58 · Answer 7 · 2018-04-19 11:09:03

58

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Prove that the least upper bound property cannot be derived from the nested interval property without the archimedean property.

Published on 19 Apr 2018 - 11:09

score 3.9k · Answer 8 · 2026-03-27 14:28:40

3.9k

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Does this prove that no sequential squares have a ratio of 2?

Published on 27 Mar 2026 - 14:28

score 89 · Answer 9 · 2026-04-11 18:48:39

89

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Projections from flag varieties

Published on 11 Apr 2026 - 18:48

score 95 · Answer 10 · 2026-04-12 23:35:54

95

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proof explanation of $\sqrt{\frac{n}{n+1}}\notin \mathbb{Q}$

Published on 12 Apr 2026 - 23:35

score 61 · Answer 11 · 2026-04-12 00:04:43

61

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Epsilon Delta Proof help

Published on 12 Apr 2026 - 0:04

score 183 · Answer 12 · 2026-03-28 07:53:39

183

Views

meaning of "if part of $A$ iff $B$"?

Published on 28 Mar 2026 - 7:53

score 264 · Answer 13 · 2026-04-13 00:29:45

264

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Prove that $6$ is a divisor of $n^3 - n$ for all natural numbers.

Published on 13 Apr 2026 - 0:29

score 22 · Answer 14 · 2026-04-04 15:12:10

22

Views

let a, b, and n be integers. Prove that, if n is a divisor of a - b, then a REM n = b REM n.

Published on 04 Apr 2026 - 15:12

score 28 · Answer 15 · 2026-04-04 15:09:50

28

Views

Prove that, if n is an integer and n REM 4 = 2, then is not a perfect square

Published on 04 Apr 2026 - 15:09

List Question

Improving clarity and argumentation with hard-to-describe combinatorial proof

How to negate $\forall\epsilon > 0,\; \exists n_0=n_0(\epsilon)\in \Bbb{N},\ni |a_n-a^{*}| <\epsilon,\;\;n\geq n_0$

Floor function proof using division algorithm

A combinatorial proof of Wilson's theorem [Proof Verification]

If $n = km$ is a Descartes number with quasi-Euler prime $m$, then $m < k$.

If $\operatorname{Ran} R \subset \operatorname{Dom }S$. Prove $ \operatorname{Dom} (R) \subset\operatorname{Dom}(S \circ R ) $

Prove that the least upper bound property cannot be derived from the nested interval property without the archimedean property.

Does this prove that no sequential squares have a ratio of 2?

Projections from flag varieties

proof explanation of $\sqrt{\frac{n}{n+1}}\notin \mathbb{Q}$

Epsilon Delta Proof help

meaning of "if part of $A$ iff $B$"?

Prove that $6$ is a divisor of $n^3 - n$ for all natural numbers.

let a, b, and n be integers. Prove that, if n is a divisor of a - b, then a REM n = b REM n.

Prove that, if n is an integer and n REM 4 = 2, then is not a perfect square

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