Question

Principle of induction proof ...

score 45 · Answer 1 · 2018-02-11 21:09:31

45

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Principle of induction proof ...

Published on 11 Feb 2018 - 21:09

score 55 · Answer 2 · 2018-02-11 21:46:13

55

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Let $e$ and $f$ be in group $G$. Prove $(ef)^n=e(fe)^{n-1}f$

Published on 11 Feb 2018 - 21:46

score 2.1k · Answer 3 · 2026-03-25 14:18:27

2.1k

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Proof on String Reverse

Published on 25 Mar 2026 - 14:18

score 299 · Answer 4 · 2026-03-25 13:02:28

299

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By replacing proposition variables by its negation and flipping the truth values of all prop. variables, show $v(\phi)=v^(\phi^)$

Published on 25 Mar 2026 - 13:02

score 169 · Answer 5 · 2018-02-13 05:15:57

169

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Any suggestions on using induction to prove this inequality?

Published on 13 Feb 2018 - 5:15

score 422 · Answer 6 · 2018-02-13 05:48:54

422

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2 Variable induction on a summation

Published on 13 Feb 2018 - 5:48

score 94 · Answer 7 · 2018-02-13 08:43:59

94

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Problem with a proof by induction

Published on 13 Feb 2018 - 8:43

score 363 · Answer 8 · 2018-02-13 19:44:07

363

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Cartesian Product is Countably Infinite by Induction

Published on 13 Feb 2018 - 19:44

score 179 · Answer 9 · 2026-03-25 07:46:11

Prove that every natural number $n >6$ can be written as a sum $a+b$ where $a, b∈\mathbb N\setminus\{1\}$ and$ \gcd(a, b) = 1$

score 114 · Answer 10 · 2018-02-14 01:51:26

114

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Prove by induction that $1+2^{2^n}+2^{2^{n+1}}$ is divisible by $7$

Published on 14 Feb 2018 - 1:51

score 234 · Answer 11 · 2018-02-14 02:00:42

234

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proof by induction to prove $E[X^{2n}]=(2n-1)(2n-3) . . . 5.3.1$

Published on 14 Feb 2018 - 2:00

score 685 · Answer 12 · 2026-03-25 09:49:31

685

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Induction on cartesian products of well-ordered sets (varying cardinality)

Published on 25 Mar 2026 - 9:49

score 124 · Answer 13 · 2018-02-14 13:17:30

124

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Is this Strong Induction approach?

Published on 14 Feb 2018 - 13:17

score 276 · Answer 14 · 2018-02-14 13:32:57

276

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Is there any way to prove $ \frac{1}{1^2}+\frac{1}{2^2}+\frac{1}{3^2}+...+\frac{1}{n^2} \leq \frac{\pi^2}{6} $ by induction

Published on 14 Feb 2018 - 13:32

score 668 · Answer 15 · 2018-02-15 17:34:34

668

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Prove by induction that $n^2>7n+1$ for all $n \ge 8$

Published on 15 Feb 2018 - 17:34

List Question

Principle of induction proof ...

Let $e$ and $f$ be in group $G$. Prove $(ef)^n=e(fe)^{n-1}f$

Proof on String Reverse

By replacing proposition variables by its negation and flipping the truth values of all prop. variables, show $v(\phi)=v^(\phi^)$

Any suggestions on using induction to prove this inequality?

2 Variable induction on a summation

Problem with a proof by induction

Cartesian Product is Countably Infinite by Induction

Prove that every natural number $n >6$ can be written as a sum $a+b$ where $a, b∈\mathbb N\setminus\{1\}$ and$ \gcd(a, b) = 1$

Prove by induction that $1+2^{2^n}+2^{2^{n+1}}$ is divisible by $7$

proof by induction to prove $E[X^{2n}]=(2n-1)(2n-3) . . . 5.3.1$

Induction on cartesian products of well-ordered sets (varying cardinality)

Is this Strong Induction approach?

Is there any way to prove $ \frac{1}{1^2}+\frac{1}{2^2}+\frac{1}{3^2}+...+\frac{1}{n^2} \leq \frac{\pi^2}{6} $ by induction

Prove by induction that $n^2>7n+1$ for all $n \ge 8$

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