Question

N toys distribution among N children.

score 159 · Answer 1 · 2026-04-12 00:18:07

159

Views

N toys distribution among N children.

Published on 12 Apr 2026 - 0:18

score 288 · Answer 2 · 2026-03-27 03:44:33

288

Views

Show that: If $A \circ B =0$ but $A \neq 0$ and $B\neq 0$ then you have that $\det(A)=0=\det(B)$

Published on 27 Mar 2026 - 3:44

score 870 · Answer 3 · 2026-04-13 04:53:27

Does there exist a formal language capable of expressing any mathematical proof without resorting to drawings or natural language sentences?

score 100 · Answer 4 · 2026-04-09 01:12:31

100

Views

Proving $x^2-y^2 = 2xyz$ has no integer solutions greater than 0.

Published on 09 Apr 2026 - 1:12

score 508 · Answer 5 · 2026-04-11 10:35:19

508

Views

Prove that every finite non empty set has an smallest element

Published on 11 Apr 2026 - 10:35

score 9.5k · Answer 6 · 2026-04-13 10:41:00

9.5k

Views

Proving or disproving product of two stochastic matrices is stochastic

Published on 13 Apr 2026 - 10:41

score 63 · Answer 7 · 2026-04-09 19:44:27

63

Views

Simplify expression involving sets

Published on 09 Apr 2026 - 19:44

score 90 · Answer 8 · 2026-03-30 00:21:31

90

Views

$G$ either has a $K_4$ or an independent set of size $3$

Published on 30 Mar 2026 - 0:21

score 1.7k · Answer 9 · 2026-04-09 05:12:45

1.7k

Views

Proving product of two column stochastic matrices is column stochastic (Proof verification)

Published on 09 Apr 2026 - 5:12

score 156 · Answer 10 · 2026-04-12 09:42:13

156

Views

Parallel property of $LK$ and $OM$ where $L$, $M$ are points on the median $AM$ of $\Delta{ABC}$

Published on 12 Apr 2026 - 9:42

score 68 · Answer 11 · 2026-03-25 04:44:19

68

Views

Induction and Recursion: $F(1) = 2$ and $F(n) = F(n - 1) + F(n - 2) + \dotsb + F(1) + 2$, $n \ge 2$

Published on 25 Mar 2026 - 4:44

score 220 · Answer 12 · 2026-04-12 19:50:19

220

Views

Counting subsets of a set with $n$ elements

Published on 12 Apr 2026 - 19:50

score 691 · Answer 13 · 2018-05-10 22:58:16

691

Views

Proving that the dot product function is surjective?

Published on 10 May 2018 - 22:58

score 3.4k · Answer 14 · 2026-04-12 08:30:28

3.4k

Views

Use the well-ordering principle to prove that every integer $n\ge2$ has a prime factor.

Published on 12 Apr 2026 - 8:30

score 100 · Answer 15 · 2026-03-24 22:07:35

100

Views

Suppose $a,b,c,$ and $d$ are real numbers, $0 \lt a \lt b $, and $d \gt 0$. Prove that if $ac \ge bd$ then $c \gt d$

Published on 24 Mar 2026 - 22:07

List Question

N toys distribution among N children.

Show that: If $A \circ B =0$ but $A \neq 0$ and $B\neq 0$ then you have that $\det(A)=0=\det(B)$

Does there exist a formal language capable of expressing any mathematical proof without resorting to drawings or natural language sentences?

Proving $x^2-y^2 = 2xyz$ has no integer solutions greater than 0.

Prove that every finite non empty set has an smallest element

Proving or disproving product of two stochastic matrices is stochastic

Simplify expression involving sets

$G$ either has a $K_4$ or an independent set of size $3$

Proving product of two column stochastic matrices is column stochastic (Proof verification)

Parallel property of $LK$ and $OM$ where $L$, $M$ are points on the median $AM$ of $\Delta{ABC}$

Induction and Recursion: $F(1) = 2$ and $F(n) = F(n - 1) + F(n - 2) + \dotsb + F(1) + 2$, $n \ge 2$

Counting subsets of a set with $n$ elements

Proving that the dot product function is surjective?

Use the well-ordering principle to prove that every integer $n\ge2$ has a prime factor.

Suppose $a,b,c,$ and $d$ are real numbers, $0 \lt a \lt b $, and $d \gt 0$. Prove that if $ac \ge bd$ then $c \gt d$

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