List questions from natural-numbers

Published on 06 May 2019 - 15:38

497

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Why is the definition of inductive set well defined?

Published on 13 May 2019 - 18:37

41

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Equalities with sum of squares

Published on 14 May 2019 - 0:17

56

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Let : $A=\frac{2^{4n+2}+1}{5}$ , $n>1$

Published on 14 May 2019 - 2:03

80

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prove that $2^{n}+1$ is divisible by $n=3^k$ for $k≥1$

Published on 14 May 2019 - 17:47

112

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If $a,b,c$ and $d$ non-zero natural number such that $ab=cd$

Published on 16 May 2019 - 2:59

353

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Supremum equals maximum on a subset of natural numbers

Published on 21 May 2019 - 13:43

76

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Does this equation yield only primes?

Published on 22 May 2019 - 14:14

51

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Do such unique representations of positive integers exist?

Published on 23 May 2019 - 11:39

504

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Proof that order is reflexive

Published on 24 May 2019 - 15:52

95

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Inverse of a bijective function involving cases

Published on 24 May 2019 - 18:14

158

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Proof that $a < b$ if and only if $a{+\!+} ≤ b$

Published on 25 May 2019 - 16:15

258

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Proving commutativity of multiplication

Published on 27 May 2019 - 20:44

82

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Is the NNO in Cat isomorphic to $\mathbb {N}$ viewed as a discrete, skeletal category?

Published on 29 May 2019 - 18:25

43

Views

Question about singleton & inclusion

Published on 30 May 2019 - 20:10

List Question

Can even/odd classes be applied in triples, quadruples, etc., and have any uses?

Why is the definition of inductive set well defined?

Equalities with sum of squares

Let : $A=\frac{2^{4n+2}+1}{5}$ , $n>1$

prove that $2^{n}+1$ is divisible by $n=3^k$ for $k≥1$

If $a,b,c$ and $d$ non-zero natural number such that $ab=cd$

Supremum equals maximum on a subset of natural numbers

Does this equation yield only primes?

Do such unique representations of positive integers exist?

Proof that order is reflexive

Inverse of a bijective function involving cases

Proof that $a < b$ if and only if $a{+\!+} ≤ b$

Proving commutativity of multiplication

Is the NNO in Cat isomorphic to $\mathbb {N}$ viewed as a discrete, skeletal category?

Question about singleton & inclusion

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