∝

Proportional

Proportional to

Math

Named Entity

&prop;

Numeric Code

&#8733;

HTML Example (Named Entity)

<p>This is the Proportional: &prop;</p>

Output: This is the Proportional: ∝

HTML Example (Numeric Code)

<p>This is the Proportional: &#8733;</p>

Output: This is the Proportional: ∝

JavaScript Example

const char = "&prop;";
console.log(char); // ∝

Mathematical symbols should use entity codes for proper display in HTML, especially in scientific or technical content.

For all (universal quantifier)

There exists (existential quantifier)

Empty set