kit
usepackage{amsmath,amssymb}
Set of curly brackets: \{ ... }\\
|" in set: \mid
Filed under: \in
Not a part of: \not\in
A is contained in B: A\subset B
A is truly contained in B: A\subsetneqq B
A contains B: A\supset B
A true contains B: A\supsetneqq B
A is not contained in B: A\not\subset B
A to B: A\cap B
A and B: A\cup B
Closure of A: \overline{A}
A minus B: A\setminus B
Set of real numbers: \mathbb{R}
Empty set: \emptyset
usepackage{amsmath,amssymb}
Set of curly brackets: \{ ... }\\
|" in set: \mid
Filed under: \in
Not a part of: \not\in
A is contained in B: A\subset B
A is truly contained in B: A\subsetneqq B
A contains B: A\supset B
A true contains B: A\supsetneqq B
A is not contained in B: A\not\subset B
A to B: A\cap B
A and B: A\cup B
Closure of A: \overline{A}
A minus B: A\setminus B
Set of real numbers: \mathbb{R}
Empty set: \emptyset