Question

Suppose $A \subseteq P(A)$. Prove that $P(A)\subseteq P(P(A))$

score 332 · Answer 1 · 2026-04-16 05:29:42

332

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Suppose $A \subseteq P(A)$. Prove that $P(A)\subseteq P(P(A))$

Published on 16 Apr 2026 - 5:29

score 34 · Answer 2 · 2026-03-26 19:15:46

34

Views

Strongly Dependent-type languages (running on windows)

Published on 26 Mar 2026 - 19:15

score 44 · Answer 3 · 2026-04-10 09:33:34

44

Views

Proof verification of probability exercises.

Published on 10 Apr 2026 - 9:33

score 411 · Answer 4 · 2026-04-12 16:19:43

411

Views

Show that $f^{-1}(B)=A$

Published on 12 Apr 2026 - 16:19

score 255 · Answer 5 · 2026-04-14 13:31:27

255

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Exercise 3.4.7 from Tao Analysis I (Set of all partial functions)

Published on 14 Apr 2026 - 13:31

score 76 · Answer 6 · 2026-04-14 05:59:37

76

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Number of spanning trees with $2n$ vertex where exactly $n$ of them are leafs

Published on 14 Apr 2026 - 5:59

score 67 · Answer 7 · 2026-04-16 02:13:35

67

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How many non-negative integer solutions are there for $x_1+x_2+...+x_5 = 20$ when $x_1 = 2x_2$

Published on 16 Apr 2026 - 2:13

score 50 · Answer 8 · 2026-04-13 21:49:00

50

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Let R = $\{ (n+4,n) \mid n \in \Bbb Z^+\}$, Find $R^2$

Published on 13 Apr 2026 - 21:49

score 171 · Answer 9 · 2026-04-16 19:43:35

171

Views

Let $f_n(x):\mathbb R \to \mathbb R$ be defined by $f_n(x)=\frac{x}{1+nx^2}$. Which of the following statements are correct?

Published on 16 Apr 2026 - 19:43

score 266 · Answer 10 · 2026-04-16 07:18:08

266

Views

How to show that the "trace" of a linear map valued in a tensor product is basis independent

Published on 16 Apr 2026 - 7:18

score 49 · Answer 11 · 2026-04-13 22:30:34

49

Views

Cauchy sequence in operator theory.

Published on 13 Apr 2026 - 22:30

score 220 · Answer 12 · 2026-04-14 17:58:37

220

Views

Ice Cream Flavors Probability Problem(Need to check my answer)

Published on 14 Apr 2026 - 17:58

score 153 · Answer 13 · 2026-04-16 20:35:00

153

Views

A path to combinatorics: proving that there are at least 2 people who have same number of people between them

Published on 16 Apr 2026 - 20:35

score 931 · Answer 14 · 2026-04-12 22:32:03

931

Views

Prove the Alternating Series Test using Cauchy Criterion.

Published on 12 Apr 2026 - 22:32

score 31 · Answer 15 · 2026-04-17 06:26:07

31

Views

Find domain of the function $f(x) =\sqrt{\log_{\sin x +\cos x}|\cos x| +\cos x}$ in $[0,\pi]$

Published on 17 Apr 2026 - 6:26

List Question

Suppose $A \subseteq P(A)$. Prove that $P(A)\subseteq P(P(A))$

Strongly Dependent-type languages (running on windows)

Proof verification of probability exercises.

Show that $f^{-1}(B)=A$

Exercise 3.4.7 from Tao Analysis I (Set of all partial functions)

Number of spanning trees with $2n$ vertex where exactly $n$ of them are leafs

How many non-negative integer solutions are there for $x_1+x_2+...+x_5 = 20$ when $x_1 = 2x_2$

Let R = $\{ (n+4,n) \mid n \in \Bbb Z^+\}$, Find $R^2$

Let $f_n(x):\mathbb R \to \mathbb R$ be defined by $f_n(x)=\frac{x}{1+nx^2}$. Which of the following statements are correct?

How to show that the "trace" of a linear map valued in a tensor product is basis independent

Cauchy sequence in operator theory.

Ice Cream Flavors Probability Problem(Need to check my answer)

A path to combinatorics: proving that there are at least 2 people who have same number of people between them

Prove the Alternating Series Test using Cauchy Criterion.

Find domain of the function $f(x) =\sqrt{\log_{\sin x +\cos x}|\cos x| +\cos x}$ in $[0,\pi]$

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