U+2286 Subset of Or Equal To
U+2286 was added in Unicode version 1.1 in 1993. It belongs to the block Mathematical Operators in the Basic Multilingual Plane.
This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Superset of Or Equal To. If its East Asian Width is “narrow”, U+2286 forms a word with similar characters, which prevents a line break inside it. Otherwise it allows line breaks around it, except in some numeric contexts.
The CLDR project calls this character “subset equal” for use in screen reading software.
The Wikipedia has the following information about this codepoint:
In mathematics, a set A is a subset of a set B if all elements of A are also elements of B; B is then a superset of A. It is possible for A and B to be equal; if they are unequal, then A is a proper subset of B. The relationship of one set being a subset of another is called inclusion (or sometimes containment). A is a subset of B may also be expressed as B includes (or contains) A or A is included (or contained) in B. A k-subset is a subset with k elements.
The subset relation defines a partial order on sets. In fact, the subsets of a given set form a Boolean algebra under the subset relation, in which the join and meet are given by intersection and union, and the subset relation itself is the Boolean inclusion relation.
Representations
| System | Representation |
|---|---|
| Nº | 8838 |
| UTF-8 | E2 8A 86 |
| UTF-16 | 22 86 |
| UTF-32 | 00 00 22 86 |
| URL-Quoted | %E2%8A%86 |
| HTML hex reference | ⊆ |
| Wrong windows-1252 Mojibake | ⊆ |
| HTML named entity | ⊆ |
| HTML named entity | ⊆ |
| HTML named entity | ⊆ |
| Encoding: EUC-KR (hex bytes) | A1 F6 |
| Encoding: JIS0208 (hex bytes) | A2 BC |
| LATEX | \subseteq |
| Adobe Glyph List | reflexsubset |
| Adobe Glyph List | subsetorequal |
| digraph | (_ |
Related Characters
Elsewhere
Complete Record
| Property | Value |
|---|---|
| 1.1 (1993) | |
| SUBSET OF OR EQUAL TO | |
| — | |
| Mathematical Operators | |
| Math Symbol | |
| Common | |
| Other Neutral | |
| Not Reordered | |
| none | |
| Subset of Or Equal To | |
| ✘ | |
| Subset of Or Equal To | |
| Subset of Or Equal To | |
| ✘ | |
| Subset of Or Equal To | |
| Subset of Or Equal To | |
| Subset of Or Equal To | |
| Subset of Or Equal To | |
| Subset of Or Equal To | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Subset of Or Equal To | |
| Any | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| 0 | |
| 0 | |
| 0 | |
| ✘ | |
| None | |
| — | |
| NA | |
| Other | |
| — | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| Yes | |
| Yes | |
| Subset of Or Equal To | |
| Yes | |
| Subset of Or Equal To | |
| Yes | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✔ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Other | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| ✘ | |
| Superset of Or Equal To | |
| Subset of Or Equal To | |
| None | |
| ambiguous | |
| Not Applicable | |
| — | |
| No_Joining_Group | |
| Non Joining | |
| Ambiguous (Alphabetic or Ideographic) | |
| none | |
| not a number | |
| Subset of Or Equal To | |
| R |