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Z Notation Type Colon Symbol

⦂ is the Z Notation type colon symbol used to indicate a type in formal specification text.

U+2982

⦂ is a typographic symbol from the Z notation family used in formal specification writing. It looks like a colon with a top marker and is specifically named “Z NOTATION TYPE COLON”. This page helps you copy the character and use the correct Unicode representation.

Z Notation Type Colon Symbol Meaning

⦂ (Unicode U+2982) is called the “Z NOTATION TYPE COLON”. In Z notation contexts, it denotes a type assignment or type annotation, helping distinguish type information from ordinary punctuation like a standard colon. Unlike the regular colon “:”, this character is a dedicated symbol intended for formal, typeset specification documents. When you need clear, standards-aligned markup in documents, source code text, or technical diagrams that reference Z notation, using ⦂ instead of a plain colon can improve readability and reduce ambiguity. It’s also useful when you want consistent symbol rendering across platforms through Unicode.

Common uses

  • Annotating variables or expressions with their types in Z notation specifications
  • Writing formal documents where type information must be visually distinct from punctuation
  • Editing or reviewing specification text that already uses the Z type-colon character
  • Creating technical documentation or diagrams referencing Z notation syntax
  • Using Unicode-correct symbols in markdown, plain text, or content management systems

Examples

⦂ — Z Notation Type Colon

  • x ⦂ T
  • a ⦂ AType
  • value ⦂ ℕ
  • s ⦂ STRING
  • expr ⦂ ExprType

Variations

Ready to copy

Technical codes

UnicodeU+2982
HTML Entity⦂
HTML Code⦂
CSS\2982

FAQ

What does the Z Notation Type Colon symbol mean?

⦂ (Unicode U+2982) is called the “Z NOTATION TYPE COLON”. In Z notation contexts, it denotes a type assignment or type annotation, helping distinguish type information from ordinary punctuation like a standard colon. Unlike the regular colon “:”, this character is a dedicated symbol intended for formal, typeset specification documents. When you need clear, standards-aligned markup in documents, source code text, or technical diagrams that reference Z notation, using ⦂ instead of a plain colon can improve readability and reduce ambiguity. It’s also useful when you want consistent symbol rendering across platforms through Unicode.

What is the Unicode code point for ⦂?

The symbol ⦂ is Unicode U+2982.

How do I type or insert ⦂ in software?

You can insert it directly as the character ⦂, or use the Unicode escapes: HTML entity ⦂, CSS escape \\2982, or JavaScript escape \\u{2982}.

Is ⦂ the same as the normal colon ':'?

No. ⦂ is a distinct character called the Z Notation Type Colon. It’s meant for type annotations in formal specification text, unlike the standard colon ':'.

Where is ⦂ commonly used?

It’s used in Z notation contexts to indicate type information, especially in formal specifications, technical documentation, and related examples.

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