what does it mean when there are two brackets in a set
141313
Inline elements denoted by {{}}? Cartesian product of these inline elements?
146668
What does square bracket [] mean in the below code?
20163
Usage of brackets/parentheses
25358
What is the differences between &> and 2>&1
858
Is $\{\emptyset\}$ a subset of $\{\{\emptyset\}\}$?
138938
What is the difference between `a[bc]d` (brackets) and `a{b,c}d` (braces)?
13282
In the category $\mathbf{Set}$ is "the product of an empty set of sets a one-element set"?
11651
What does curly brackets in the `var { ... } = ...` statements do?
78084
What does the number in brackets after a command in the manpages mean?
44285
What does this notation mean? F|U
46446
What's the difference between dot syntax and square bracket syntax?
93501
Order of precedence of set operators
39457
Why is \[ ... \] preferable to $$ ... $$?
48894
What does "\" mean in math
22482
How can an ordered pair be expressed as a set?
58065
Square brackets in in the `description' of the theorem environment
24458
What do ">>" and "<<" mean in Javascript?