<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02203";
}
</style>
</head>
<body>
<p>Exists using Hexa Decimal: ∃</p>
<p>Exists using HTML Code: ∃</p>
<p>Exists using HTML Entity: ∃</p>
<p id="point">Exists using CSS Entity: </p> </body>
</html>