Question

Natural Deduction Problem formula

score 64 · Answer 1 · 2026-04-08 19:17:17

64

Views

Natural Deduction Problem formula

Published on 08 Apr 2026 - 19:17

score 180 · Answer 2 · 2026-04-10 23:57:20

180

Views

Does projection of a simplicial subdivision of a simplex onto a lower-dimensional face generate a subdivision of that face?

Published on 10 Apr 2026 - 23:57

score 56 · Answer 3 · 2026-04-13 23:30:45

56

Views

Combinatorics Question - Combinations

Published on 13 Apr 2026 - 23:30

score 171 · Answer 4 · 2026-04-22 21:34:01

171

Views

Probability of a sequence of thirty heads when flipping a fair coin fifty times?

Published on 22 Apr 2026 - 21:34

score 14k · Answer 5 · 2026-04-12 12:28:59

14k

Views

In how many ways can ten people be seated in a row so that a certain two of them are not next to each other?

Published on 12 Apr 2026 - 12:28

score 393 · Answer 6 · 2026-04-10 22:56:30

393

Views

Another socks in drawers problem

Published on 10 Apr 2026 - 22:56

score 227 · Answer 7 · 2026-04-25 10:12:33

227

Views

unique bracelets from 6 beads, where 1 bead is a fixed color

Published on 25 Apr 2026 - 10:12

score 214 · Answer 8 · 2026-04-13 01:58:06

214

Views

Ensemble average of a sum of cosine functions

Published on 13 Apr 2026 - 1:58

score 130 · Answer 9 · 2026-04-16 02:49:20

130

Views

Combinatorial proof of $\sum\limits_{k=1}^n k^2 {n \choose k} = n(n+1)2^{n-2}$

Published on 16 Apr 2026 - 2:49

score 25 · Answer 10 · 2026-04-16 02:06:02

25

Views

Sequences under an alternation constraint

Published on 16 Apr 2026 - 2:06

score 31 · Answer 11 · 2026-04-15 00:38:21

31

Views

Probability in a deck of cards

Published on 15 Apr 2026 - 0:38

score 127 · Answer 12 · 2026-04-14 20:16:32

127

Views

Combinatorics - Standard 52-card deck

Published on 14 Apr 2026 - 20:16

score 537 · Answer 13 · 2026-04-15 15:42:14

537

Views

number of self-conjugate partitions of n (with all parts even)

Published on 15 Apr 2026 - 15:42

score 50 · Answer 14 · 2026-04-14 12:24:52

50

Views

What is the maximal number of such vectors?

Published on 14 Apr 2026 - 12:24

score 1.8k · Answer 15 · 2026-04-15 09:47:48

1.8k

Views

How many groups of 5 with a given group leader can be selected from 12 people?

Published on 15 Apr 2026 - 9:47

List Question

Natural Deduction Problem formula

Does projection of a simplicial subdivision of a simplex onto a lower-dimensional face generate a subdivision of that face?

Combinatorics Question - Combinations

Probability of a sequence of thirty heads when flipping a fair coin fifty times?

In how many ways can ten people be seated in a row so that a certain two of them are not next to each other?

Another socks in drawers problem

unique bracelets from 6 beads, where 1 bead is a fixed color

Ensemble average of a sum of cosine functions

Combinatorial proof of $\sum\limits_{k=1}^n k^2 {n \choose k} = n(n+1)2^{n-2}$

Sequences under an alternation constraint

Probability in a deck of cards

Combinatorics - Standard 52-card deck

number of self-conjugate partitions of n (with all parts even)

What is the maximal number of such vectors?

How many groups of 5 with a given group leader can be selected from 12 people?

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