Mathematical Double-struck Capital B Symbol
๐น is a mathematical double-struck capital B used to distinguish special sets, constants, or objects.
U+1D539
๐น (U+1D539) is a Unicode math symbol: MATHEMATICAL DOUBLE-STRUCK CAPITAL B. Itโs often used in mathematical notation where double-struck letters carry a specific meaning. Use it anywhere you need a styled, standards-based โBโ character.
Mathematical Double-struck Capital B Symbol Meaning
๐น is the Unicode character named MATHEMATICAL DOUBLE-STRUCK CAPITAL B (U+1D539). In mathematics, double-struck letters commonly indicate a specific kind of set or number system (for example, variants used for number systems or standard algebraic objects), distinct from a regular italic or bold โBโ. The exact interpretation depends on the surrounding notation in a document or worksheet. As a typographic symbol, it also helps visually signal that the โBโ is intended to represent a particular mathematical entity rather than a generic variable.
Common uses
- โขWriting math expressions where a special โBโ set/object must be clearly distinguished
- โขLabeling in academic notes, lecture slides, and homework where โBโ needs double-struck styling
- โขTypesetting character placeholders in documentation or textbook-style examples
- โขDesigning math-themed graphics or UI elements that reference specific mathematical notation
- โขEmbedding in software-generated math text where a dedicated Unicode character is preferred over styling
Examples
๐น โ Mathematical Double-Struck Capital B
- ๐นLet ๐น be a collection of subsets.
- ๐นAssume ๐น โ ๐ซ(X).
- ๐นWe denote the space by ๐น and study its properties.
- ๐นFor objects in ๐น, the following condition holds.
- ๐นDefine a map from ๐น to another structure.
Variations
Ready to copy
Technical codes
| Unicode | U+1D539 | |
| HTML Entity | 𝔹 | |
| HTML Code | 𝔹 | |
| CSS | \1D539 |
FAQ
What does the Mathematical Double-struck Capital B symbol mean?
๐น is the Unicode character named MATHEMATICAL DOUBLE-STRUCK CAPITAL B (U+1D539). In mathematics, double-struck letters commonly indicate a specific kind of set or number system (for example, variants used for number systems or standard algebraic objects), distinct from a regular italic or bold โBโ. The exact interpretation depends on the surrounding notation in a document or worksheet. As a typographic symbol, it also helps visually signal that the โBโ is intended to represent a particular mathematical entity rather than a generic variable.
What Unicode character is ๐น?
๐น is MATHEMATICAL DOUBLE-STRUCK CAPITAL B, Unicode code point U+1D539.
How do I copy ๐น correctly in HTML?
You can use the HTML entity: 𝔹.
What CSS escape or JavaScript escape can I use?
CSS escape: \\1D539. JavaScript (Unicode code point escape): \\u{1D539}.
Does ๐น always mean the same thing in math?
Not alwaysโits exact meaning depends on the context and notation being used. It primarily signals a special double-struck โBโ entity.