# 📝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”

- $\exists!$ is “exists unique”
- $\ni$ is “such that”
- $=$ is “is equal to”
- $\equiv$ is “is identically equivalent to”
- $\cong$ is “is isomorphic to”