HTML Entity for Superset Of (⊃)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2283

What You'll Learn

How to display the Superset Of symbol (⊃) in HTML using hexadecimal, decimal, named entity, and CSS escape methods. This character is U+2283 (SUPERSET OF) in the Mathematical Operators block (U+2200–U+22FF)—the standard notation for a superset relationship in set theory.

Render it with ⊃, ⊃, the named entity ⊃, or CSS escape \2283. For example, AB means every element of B is in A. Do not confuse ⊃ with ⊇ (superset or equal to) or ⊅ (not a superset of).

⚡ Quick Reference — Superset Of

Unicode U+2283

Mathematical Operators

Hex Code ⊃

Hexadecimal reference

HTML Code ⊃

Decimal reference

Named Entity ⊃

Most readable option

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2283
Hex code       ⊃
HTML code      ⊃
Named entity   ⊃
CSS code       \2283
Block          Mathematical Operators (U+2200–U+22FF)
Related        U+2287 = Superset or equal to (⊇)
1

Complete HTML Example

This example demonstrates the Superset Of symbol (⊃) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\2283";
  }
 </style>
</head>
<body>
<p>Superset Of using Hexadecimal: &#x2283;</p>
<p>Superset Of using HTML Code: &#8835;</p>
<p>Superset Of using Named Entity: &sup;</p>
<p id="point">Superset Of using CSS Entity: </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Superset Of entity is universally supported in all modern browsers:

Chrome 1+
Firefox 1+
Safari 1+
Edge 12+
Opera 4+
Android 4.4+
iOS Safari 1+

👀 Live Preview

See the Superset Of symbol (⊃) rendered in different contexts:

Set relation ABA is a superset of B
Large glyph
vs related ⊃ superset   ⊇ superset or equal   ⊅ not superset
Monospace &#x2283; &#8835; &sup; \2283
Named entity &sup; → ⊃

🧠 How It Works

1

Hexadecimal Code

&#x2283; uses the Unicode hexadecimal value 2283 to display the Superset Of symbol. The x prefix indicates hexadecimal format.

HTML markup
2

Decimal HTML Code

&#8835; uses the decimal Unicode value 8835 to display the same character. This is one of the most commonly used methods.

HTML markup
3

Named Entity

&sup; is the semantic named entity — the easiest to read in source HTML and the most self-descriptive option.

HTML markup
4

CSS Entity

\2283 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All four methods produce the glyph: . Unicode U+2283 in the Mathematical Operators block (U+2200–U+22FF).

Use Cases

The Superset Of symbol (⊃) commonly appears in:

📐 Math Expressions

Equations like AB in formulas and proofs.

🗃 Set Theory

Textbooks, papers, and lectures on sets and relations.

📚 Academic Content

Research papers, proofs, and scholarly articles.

📄 Scientific Docs

Technical documentation and math web applications.

🎓 Education

Online courses and tutorials on mathematics and set theory.

💻 Math Software

Calculator interfaces and computational tool UIs.

📝 Research Papers

Conference proceedings and mathematical journals.

💡 Best Practices

Do

  • Use &sup; for readable source markup
  • Pick one style (hex / decimal / named) per project
  • Add aria-label for standalone symbols in math content
  • Test the glyph across browsers and fonts
  • Pair ⊃ with plain text on first use (e.g. “A superset B”)

Don’t

  • Confuse ⊃ (superset) with ⊇ (superset or equal) or ⊂ (subset)
  • Mix entity styles randomly in one file
  • Use CSS escape \2283 inside HTML text nodes
  • Use HTML entities in JS (use \u2283 instead)
  • Assume all fonts render ⊃ clearly at small sizes

Key Takeaways

1

Three HTML references all render ⊃

&#x2283; &#8835; &sup;
2

For CSS stylesheets, use the escape in the content property

\2283
3

Unicode U+2283 — SUPERSET OF

4

Prefer &sup; for readability—it’s the most self-descriptive named entity

5

Dual symbol: ⊂ (subset of) with named entity &sub;

❓ Frequently Asked Questions

Use &#x2283; (hex), &#8835; (decimal), &sup; (named), or \2283 in CSS content. All produce ⊃.
U+2283 (SUPERSET OF). Mathematical Operators block (U+2200–U+22FF). Hex 2283, decimal 8835.
In mathematical expressions, set theory notation, academic content, scientific documentation, educational materials, research papers, and any content representing superset relationships.
HTML entities (&#8835;, &#x2283;, or &sup;) go directly in markup. The CSS escape \2283 is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.
It indicates that one set is a superset of another—every element of the second set is contained in the first. It is fundamental notation in set theory (e.g. AB).

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
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I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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