Question

How does $K\notin I$ imply $\lim_{n\rightarrow \infty} \phi(k\backslash [1,n])\neq 0$

score 53 · Answer 1 · 2026-04-15 09:45:52

53

Views

How does $K\notin I$ imply $\lim_{n\rightarrow \infty} \phi(k\backslash [1,n])\neq 0$

Published on 15 Apr 2026 - 9:45

score 3.2k · Answer 2 · 2026-04-10 04:24:53

3.2k

Views

Understanding a proof that $2x + 3y$ is divisible by $17$ iff $9x + 5y$ is divisible by $17$

Published on 10 Apr 2026 - 4:24

score 108 · Answer 3 · 2026-04-12 06:45:32

108

Views

Proof of |x · y| = |x| · |y| using axioms of real numbers

Published on 12 Apr 2026 - 6:45

score 87 · Answer 4 · 2026-04-15 11:54:41

87

Views

How can $\lim \phi(C_j)$ be equal to $\lim \sum_{j\in D_i} \phi(C_j) \ ?$

Published on 15 Apr 2026 - 11:54

score 52 · Answer 5 · 2026-04-09 07:55:46

52

Views

Proof for Geometric Sequences

Published on 09 Apr 2026 - 7:55

score 52 · Answer 6 · 2026-04-15 13:13:29

52

Views

Strong Induction: Choosing values for the ranges[Q]

Published on 15 Apr 2026 - 13:13

score 4.2k · Answer 7 · 2026-04-16 05:34:16

4.2k

Views

Prove that a ring R having the property that every ﬁnitely generated R-module is free is either a ﬁeld or the zero ring.

Published on 16 Apr 2026 - 5:34

score 215 · Answer 8 · 2026-04-15 07:38:39

215

Views

Proof involving preimage of a set

Published on 15 Apr 2026 - 7:38

score 200 · Answer 9 · 2026-04-17 11:28:01

200

Views

What would be the induction hypothesis in my proof?

Published on 17 Apr 2026 - 11:28

score 193 · Answer 10 · 2026-04-16 10:48:56

193

Views

Big-O proof showing that t(n) is O(1)

Published on 16 Apr 2026 - 10:48

score 2.1k · Answer 11 · 2026-04-08 21:07:51

2.1k

Views

Proof Of Uniqueness of Division Theorem for Polynomials

Published on 08 Apr 2026 - 21:07

score 60 · Answer 12 · 2026-04-15 13:42:55

60

Views

Computing differentials of a quotient (product) of differential functions

Published on 15 Apr 2026 - 13:42

score 153 · Answer 13 · 2026-04-12 18:59:24

153

Views

What does "Leibniz" mean as a step in a proof?

Published on 12 Apr 2026 - 18:59

score 83 · Answer 14 · 2026-04-15 18:30:55

How construct homeomorphism from $R^2$-{$(x,y)$ : $x,y$ : integers} to $R^2$-{$(x,y)$ : there are integers n,m such that $(x-n)^2+(y-m)^2<1/10$}

score 42 · Answer 15 · 2026-04-15 18:45:30

42

Views

Solve the recurrence of t(n) = t(n/2) + log_2n such that t(1) = 0 and verify using mathematical induction

Published on 15 Apr 2026 - 18:45

List Question

How does $K\notin I$ imply $\lim_{n\rightarrow \infty} \phi(k\backslash [1,n])\neq 0$

Understanding a proof that $2x + 3y$ is divisible by $17$ iff $9x + 5y$ is divisible by $17$

Proof of |x · y| = |x| · |y| using axioms of real numbers

How can $\lim \phi(C_j)$ be equal to $\lim \sum_{j\in D_i} \phi(C_j) \ ?$

Proof for Geometric Sequences

Strong Induction: Choosing values for the ranges[Q]

Prove that a ring R having the property that every ﬁnitely generated R-module is free is either a ﬁeld or the zero ring.

Proof involving preimage of a set

What would be the induction hypothesis in my proof?

Big-O proof showing that t(n) is O(1)

Proof Of Uniqueness of Division Theorem for Polynomials

Computing differentials of a quotient (product) of differential functions

What does "Leibniz" mean as a step in a proof?

How construct homeomorphism from $R^2$-{$(x,y)$ : $x,y$ : integers} to $R^2$-{$(x,y)$ : there are integers n,m such that $(x-n)^2+(y-m)^2<1/10$}

Solve the recurrence of t(n) = t(n/2) + log_2n such that t(1) = 0 and verify using mathematical induction

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