# 📝Math notation

$\exists!$ is “exists unique”

$\ni$ is “such that”

$=$ is “is equal to”

$\equiv$ is “is identically equivalent to”

$\cong$ is “is isomorphic to”

## Backlinks

- 📝 § Math

$\exists!$ is “exists unique”

$\ni$ is “such that”

$=$ is “is equal to”

$\equiv$ is “is identically equivalent to”

$\cong$ is “is isomorphic to”

- 📝 § Math