Z Notation Schema Projection Symbol
⨡ (Z Notation Schema Projection) is a mathematical symbol used in formal specification contexts.
U+2A21
⨡ is the Unicode symbol named “Z Notation Schema Projection” (U+2A21). It’s used when working with schema-related constructs in Z notation. Below you’ll find copy options, formatting, and common ways people reference it.
Z Notation Schema Projection Symbol Meaning
The symbol ⨡, named “Z Notation Schema Projection” (U+2A21), is used in Z notation to express a projection operation over a schema. In practical terms, projection selects or focuses on a subset of information from a schema, often corresponding to particular components or variables of interest. Because Z notation is a formal method language, this symbol typically appears in technical documents, specifications, and educational material about schema-based modeling. When writing or typesetting, it’s mainly used as a distinct, recognizable operator in mathematical and specification text rather than as decorative punctuation.
Common uses
- •Writing Z notation expressions in documentation and specifications
- •Annotating formal-methods notes where schema fields are selected
- •Creating teaching materials about projection in schema-based modeling
- •Using the symbol in LaTeX-like or Unicode-friendly math layouts
- •Referencing the operator in code comments and developer documentation
Examples
⨡ Z Notation Schema Projection Symbol
- ⨡In Z, schema projection can be written using ⨡.
- ⨡We apply ⨡ to select the relevant components of the schema.
- ⨡The expression X ⨡ S shows projecting S onto X.
- ⨡Refer to ⨡ when defining how a schema’s variables are filtered.
- ⨡This section formalizes projection using the ⨡ operator.
Variations
Ready to copy
Technical codes
| Unicode | U+2A21 | |
| HTML Entity | ⨡ | |
| HTML Code | ⨡ | |
| CSS | \2A21 | |
| Alt Code | Alt + 10785 | |
| Decimal | 10785 |
How to type Z Notation Schema Projection Symbol (⨡)
On Windows
Hold Alt and type 10785 on the numeric keypad. In Word, type 2A21 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 2A21. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 2a21, 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 Z Notation Schema Projection symbol mean?
The symbol ⨡, named “Z Notation Schema Projection” (U+2A21), is used in Z notation to express a projection operation over a schema. In practical terms, projection selects or focuses on a subset of information from a schema, often corresponding to particular components or variables of interest. Because Z notation is a formal method language, this symbol typically appears in technical documents, specifications, and educational material about schema-based modeling. When writing or typesetting, it’s mainly used as a distinct, recognizable operator in mathematical and specification text rather than as decorative punctuation.
What is the Unicode name of ⨡?
The Unicode name is “Z NOTATION SCHEMA PROJECTION”.
What is the Unicode code point for ⨡?
Its code point is U+2A21.
How can I copy ⨡ into HTML?
Use the HTML entity: ⨡.
How do I include ⨡ in CSS or JavaScript strings?
CSS escape: \\2A21. JavaScript escape: \\u{2A21}.