Question

Prove that every connected graph with at least 3 vertices that contains a cycle has at least |V | edges.

score 532 · Answer 1 · 2026-04-15 11:37:48

532

Views

Prove that every connected graph with at least 3 vertices that contains a cycle has at least |V | edges.

Published on 15 Apr 2026 - 11:37

score 59 · Answer 2 · 2026-04-16 08:48:46

59

Views

Proving limit of absolute convergent sequence is larger than limit of convergent sequence

Published on 16 Apr 2026 - 8:48

score 105 · Answer 3 · 2026-04-15 16:38:19

105

Views

compactness of a set where am I going wrong

Published on 15 Apr 2026 - 16:38

score 73 · Answer 4 · 2026-04-16 12:08:37

73

Views

Image of intersection of collection of sets - Proof and example

Published on 16 Apr 2026 - 12:08

score 819 · Answer 5 · 2026-04-15 11:13:54

819

Views

If a sequence is non-decreasing and bounded above then it is convergent

Published on 15 Apr 2026 - 11:13

score 41 · Answer 6 · 2026-05-11 03:44:16

41

Views

Line integral path independence proof check

Published on 11 May 2026 - 3:44

score 309 · Answer 7 · 2026-04-13 03:20:40

309

Views

Verification for a Proof By Contradiction concerning a 5-root being irrational

Published on 13 Apr 2026 - 3:20

score 68 · Answer 8 · 2026-04-14 01:19:36

68

Views

Prove $A \cap B \subseteq A $

Published on 14 Apr 2026 - 1:19

score 44 · Answer 9 · 2026-04-15 15:45:58

44

Views

If $\mathcal D(\overline A)$ is dense, are we able to conclude that $\mathcal D(A)$ is dense?

Published on 15 Apr 2026 - 15:45

score 45 · Answer 10 · 2026-04-29 21:16:44

45

Views

Help save proof about existence of open sets $x \in U$, $K \subset V \subset Y: \| f(u,v) - f(x,v)\| < r$, where $f: U \times V \to E$, $K$ compact

Published on 29 Apr 2026 - 21:16

score 891 · Answer 11 · 2026-05-10 14:49:46

891

Views

Idempotent and commutative Latin squares of even order.

Published on 10 May 2026 - 14:49

score 66 · Answer 12 · 2026-04-10 11:33:29

66

Views

Direct proof of Universal Set [discrete mathematics]

Published on 10 Apr 2026 - 11:33

score 82 · Answer 13 · 2026-04-17 07:59:08

Fix $k\in \mathbb{Z}$ and $g\in G$, a group. The equation $x^k=g$ has the same number of solutions in $G$ as does $y^k=\phi(g)$ in $G^\prime$

score 303 · Answer 14 · 2026-04-14 22:14:06

303

Views

Draw a pentagon with any 2 angle sums being less than $216^o$

Published on 14 Apr 2026 - 22:14

score 654 · Answer 15 · 2026-04-16 02:28:36

654

Views

A real vector space $V$ is the union of three subspaces $P$, $Q$, $R$ of $V$. Prove that one of $P$,$Q$, $R$ is $V$

Published on 16 Apr 2026 - 2:28

List Question

Prove that every connected graph with at least 3 vertices that contains a cycle has at least |V | edges.

Proving limit of absolute convergent sequence is larger than limit of convergent sequence

compactness of a set where am I going wrong

Image of intersection of collection of sets - Proof and example

If a sequence is non-decreasing and bounded above then it is convergent

Line integral path independence proof check

Verification for a Proof By Contradiction concerning a 5-root being irrational

Prove $A \cap B \subseteq A $

If $\mathcal D(\overline A)$ is dense, are we able to conclude that $\mathcal D(A)$ is dense?

Help save proof about existence of open sets $x \in U$, $K \subset V \subset Y: \| f(u,v) - f(x,v)\| < r$, where $f: U \times V \to E$, $K$ compact

Idempotent and commutative Latin squares of even order.

Direct proof of Universal Set [discrete mathematics]

Fix $k\in \mathbb{Z}$ and $g\in G$, a group. The equation $x^k=g$ has the same number of solutions in $G$ as does $y^k=\phi(g)$ in $G^\prime$

Draw a pentagon with any 2 angle sums being less than $216^o$

A real vector space $V$ is the union of three subspaces $P$, $Q$, $R$ of $V$. Prove that one of $P$,$Q$, $R$ is $V$

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