Math symbol reference

Subset / Proper Subset

Often denotes a proper subset, although conventions vary between textbooks.

UnicodeU+2282
LaTeX\subset
HTML entity⊂
HTML decimal⊂
MathML<mo>⊂</mo>

Semantic identity and intent

Semantic type

operator

An operator, relation, connective, or notation mark whose meaning depends on its operands and context.

Primary search task

understand the operation or relation, see a valid example, and copy the correct notation

Set Theory Symbols

MathML token

<mo>

Use ⊂ with the operand structure shown in the examples. Preserve grouping, limits, spacing, and evaluation order when converting between formats.

Characters to distinguish

  • ⊆ — Subset or Equal To
  • ∈ — Element Of

Use ⊂ in the right format

Meaning and usage

Often denotes a proper subset, although conventions vary between textbooks.

Check local convention; use ⊆ when inclusion may allow equality.

Pronunciation: subset / proper subset

Formula examples

A\subset B

How to type Subset / Proper Subset

Windows
Use Character Map or enter U+2282 in a Unicode-aware app.
macOS
Open Character Viewer with Control–Command–Space and search by name.
Microsoft Word
Type \subset in an equation and press Space.
iPhone and iPad
Copy and paste ⊂, or use a math/LaTeX app. The standard iOS keyboard may not expose every mathematical symbol.
Android
Copy and paste ⊂, or use a math keyboard or LaTeX editor. Keyboard layouts vary by device and app.
Google Docs
For plain text, paste ⊂ or use Insert → Special characters. For structured math, use the equation editor and verify \subset.
Excel
Paste ⊂ into a cell or use Insert → Symbol when available. Ordinary cells preserve the character but do not interpret LaTeX commands.

Common mistakes

  • Check whether ⊂ allows equality in the convention you are using; strict and non-strict subset symbols are not interchangeable.
  • For plain text, copy ⊂ as U+2282; for structured equations, use \subset in math mode. A look-alike glyph or image can break search, accessibility, or parsing when the intended character is Subset / Proper Subset.

When to use ⊂

  • Use ⊂ in plain text when a Unicode character is appropriate and the destination preserves U+2282.
  • Use \subset in an equation editor when mathematical spacing or structure matters.
  • Define the local meaning when Subset / Proper Subset is used in set theory with a field-specific convention.

Look-alikes and related characters

  • ⊆ — Subset or Equal To
  • ∈ — Element Of

Font and compatibility notes

Glyph shape can vary by font. Verify the code point after copying, and prefer LaTeX or MathML for structured equations.

Continue the workflow

From Subset / Proper Subset to a finished equation

  1. Copy the characterUse ⊂ in plain text when Unicode is accepted.
  2. Choose a structured formatUse \subset for LaTeX or the MathML snippet for accessible web equations.
  3. Edit or convertOpen the value in the editor or converter without retyping it.

Review and source notes

Quality tier: core

Last reviewed: 2026-07-26

Review method: Checked Subset / Proper Subset against its Unicode identity, LaTeX representation, HTML serialization, MathML token, and copy-and-paste behavior.

Verified against: Unicode Standard, Unicode mathematical notation guidance, and established LaTeX/MathML syntax.

Reference sources

Frequently asked questions

What does the Subset / Proper Subset symbol mean?

Often denotes a proper subset, although conventions vary between textbooks.

What is the LaTeX command for ⊂?

Use \subset in a compatible math environment.

Can I copy ⊂ as Unicode?

Yes. Use the copy button above to copy the Unicode character directly.

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