natural numbers latex code example
Example 1: natural numbers latex
\usepackage{amssymb}
$\mathbb{N}$
Example 2: integer number latex
\usepackage{amssymb}
$\mathbb{Z}$
Example 3: complex numbers latex
\usepackage{amssymb}
$\mathbb{C}$
Example 4: llatex element of
A\in B % one stroke in middle