Question

Is the transitivity of subset proof incomplete everywere?

score 101 · Answer 1 · 2026-03-25 03:20:42

101

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Is the transitivity of subset proof incomplete everywere?

Published on 25 Mar 2026 - 3:20

score 154 · Answer 2 · 2018-09-10 20:00:54

154

Views

Understanding the closure operation in the topology generated by $\{(a,\infty),a \in \mathbb{R}\}$

Published on 10 Sep 2018 - 20:00

score 1.2k · Answer 3 · 2026-03-31 05:41:43

1.2k

Views

How to prove a particular set of differentiable functions is a subspace?

Published on 31 Mar 2026 - 5:41

score 85 · Answer 4 · 2018-09-11 02:42:18

85

Views

Can anyone explain the intuition behind this proof that a rational number exists between any two real numbers?

Published on 11 Sep 2018 - 2:42

score 45 · Answer 5 · 2026-03-27 05:05:53

45

Views

Write the composition $dx^i (\frac{\partial}{\partial x_j})$ as a tensor product?

Published on 27 Mar 2026 - 5:05

score 86 · Answer 6 · 2018-09-11 12:05:12

86

Views

How to prove $b \ll a (a^{2}b^2)^{2.1/k} $

Published on 11 Sep 2018 - 12:05

score 29 · Answer 7 · 2018-09-11 18:36:48

29

Views

Help with Logic proof writing?

Published on 11 Sep 2018 - 18:36

score 68 · Answer 8 · 2026-03-25 04:38:20

68

Views

Quantum mechanics: First order perturbation to eigenstates

Published on 25 Mar 2026 - 4:38

score 55 · Answer 9 · 2018-09-12 01:57:28

55

Views

Rigorous proof that the complex integral converges over a varying contour

Published on 12 Sep 2018 - 1:57

score 98 · Answer 10 · 2026-03-25 14:21:30

98

Views

Can A be proved using B when B was proved using A?

Published on 25 Mar 2026 - 14:21

score 893 · Answer 11 · 2018-09-12 08:47:25

Let $ f $ be a continuous function of $[0, 1]$ into itself, prove that there exists c, an element of $[0, 1]$ such that $f(c)$ = $c^2$

score 28 · Answer 12 · 2018-09-12 13:16:19

28

Views

Proof: identitiy of $f_1(t)$, $f_2(t)$ for $t\in(0,1)$

Published on 12 Sep 2018 - 13:16

score 160 · Answer 13 · 2026-03-27 14:53:58

160

Views

Is proving completeness of a logic system the same as showing a set of operators is complete?

Published on 27 Mar 2026 - 14:53

score 131 · Answer 14 · 2026-03-25 11:19:15

131

Views

Understanding example 22 of duality from Hoffman and Kunze's Linear Algebra

Published on 25 Mar 2026 - 11:19

score 31 · Answer 15 · 2026-03-28 10:56:19

31

Views

If k is the least element of S={n∈N∣¬P(n)}, how does P(1) being true mean k is not 1?

Published on 28 Mar 2026 - 10:56

List Question

Is the transitivity of subset proof incomplete everywere?

Understanding the closure operation in the topology generated by $\{(a,\infty),a \in \mathbb{R}\}$

How to prove a particular set of differentiable functions is a subspace?

Can anyone explain the intuition behind this proof that a rational number exists between any two real numbers?

Write the composition $dx^i (\frac{\partial}{\partial x_j})$ as a tensor product?

How to prove $b \ll a (a^{2}b^2)^{2.1/k} $

Help with Logic proof writing?

Quantum mechanics: First order perturbation to eigenstates

Rigorous proof that the complex integral converges over a varying contour

Can A be proved using B when B was proved using A?

Let $ f $ be a continuous function of $[0, 1]$ into itself, prove that there exists c, an element of $[0, 1]$ such that $f(c)$ = $c^2$

Proof: identitiy of $f_1(t)$, $f_2(t)$ for $t\in(0,1)$

Is proving completeness of a logic system the same as showing a set of operators is complete?

Understanding example 22 of duality from Hoffman and Kunze's Linear Algebra

If k is the least element of S={n∈N∣¬P(n)}, how does P(1) being true mean k is not 1?

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