Question

$x(A)=\cup_{y} x\left(A \cap W_{y}\right)$ where $y: W_{y} \rightarrow M $, what does the $\cup_{y}$ mean?

score 36 · Answer 1 · 2019-10-03 01:32:53

36

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$x(A)=\cup_{y} x\left(A \cap W_{y}\right)$ where $y: W_{y} \rightarrow M $, what does the $\cup_{y}$ mean?

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999

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94

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126

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score 84 · Answer 8 · 2019-10-05 21:39:18

84

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326

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135

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149

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score 156 · Answer 14 · 2019-10-06 21:59:52

156

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score 121 · Answer 15 · 2019-10-07 02:14:27

121

Views

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List Question

$x(A)=\cup_{y} x\left(A \cap W_{y}\right)$ where $y: W_{y} \rightarrow M $, what does the $\cup_{y}$ mean?

How would one denote a set that contains all elements in all subsets of another set?

What does $[0, B]^n$ mean?

Summing over multiple lines with }/+

Family indexed by $\mathbb{N}$ vs sequence

What is this notation saying?

What is signified by the use of a "big" integral sign? [photo example]

Do either of $c\cdot I_n-A$ or $A-c\cdot I_n$ have a name?

Knuth arrow notation and transfinite arithmetic

Why didn't multiplicative functions in number theory get called "homomorphism" (with possible qualifiers)?

Is there a standard notation for the set of roots of a polynomial?

Can I use set builder notation to define indicies of a matrix?

Notation for nested sums of arbitrary degree?

Correct way of referring to the subspace of $\mathbb{R}^3$ that spans the $x$-axis?

what does this notation mean: $f^{(1,0)}(x,t)$?

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