Does Not Contain As Member Symbol
∌ means “does not contain as a member” in mathematical and logical notation.
U+220C
The symbol ∌ is a mathematical relation used to express that an element is not a member of a set. It’s often seen in logic, set theory, and formal writing. Use the copy options below to paste it into text, documents, or code.
Does Not Contain As Member Symbol Meaning
∌ (Unicode U+220C) is pronounced as “does not contain as a member.” In set-theory-style notation, it expresses that a given object is not an element of a particular set. For example, it can be used to state that x ∉ A, but with ∌ specifically indicating the “not a member of” relationship in a symbol form. This character is primarily technical and appears in mathematical expressions rather than everyday writing. If you’re typesetting logic, proofs, or formal definitions, ∌ can help you convey the exact “non-membership” relation unambiguously.
Common uses
- •Typesetting non-membership statements in set theory
- •Writing logic and formal proofs where an element must not belong to a set
- •Labeling constraints or conditions in mathematical documents
- •Replacing verbose phrases like “does not contain as a member” in equations
- •Character-level notation in software documentation or math-related content
Examples
∌ Does Not Contain as Member
- ∌x ∌ A
- ∌y ∌ B
- ∌n ∌ ℕ
- ∌S ∌ T
- ∌a ∌ M
Variations
Ready to copy
Technical codes
| Unicode | U+220C | |
| HTML Entity | ∌ | |
| HTML Code | ∌ | |
| CSS | \220C | |
| Alt Code | Alt + 8716 | |
| Decimal | 8716 |
How to type Does Not Contain As Member Symbol (∌)
On Windows
Hold Alt and type 8716 on the numeric keypad. In Word, type 220C then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 220C. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 220c, then press Enter or Space.
Anywhere
Copy ∌ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the symbol ∌ mean?
∌ means “does not contain as a member,” commonly used to express that an element is not a member of a set.
What is the Unicode code point for ∌?
The symbol ∌ is Unicode U+220C (named “DOES NOT CONTAIN AS MEMBER”).
How can I copy ∌ for use in documents or chat?
Copy the character directly from this page. You can also use the HTML entity form (∌) or the CSS escape (\220C).
Is ∌ the same as ∉?
They are closely related in meaning (non-membership), but they are different symbols. Use ∌ when you specifically want the “does not contain as member” character (U+220C).