Exists (∃) symbol in LaTeX

You need to use the \exists command to print the Exists symbol in a latex document.

\documentclass{article}
\begin{document}
    $$ \exists_x \in F $$
    $$ (y) \exists (x)  $$
    $$ \exists_y (x-y=0) $$
\end{document}

Output :

• Does not exist(∄) symbol in LaTeX