Home: go to the homepage U+2200 to U+22FF Mathematical Operators
Glyph for U+2282
Source: Noto Sans Math

U+2282 Subset Of

U+2282 was added in Unicode version 1.1 in 1993. It belongs to the block U+2200 to U+22FF Mathematical Operators in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Math Symbol and is commonly used, that is, in no specific script. The character is also known as included in set.

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 Glyph for U+2283 Superset Of. If its East Asian Width is “narrow”, U+2282 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 glyph can be confused with one other glyph.

The CLDR project calls this character “subset of” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: of, set, subset.

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.

When quantified, A B is represented as x ( x A x B ) .

One can prove the statement A B by applying a proof technique known as the element argument:

Let sets A and B be given. To prove that A B ,

  1. suppose that a is a particular but arbitrarily chosen element of A
  2. show that a is an element of B.

The validity of this technique can be seen as a consequence of universal generalization: the technique shows ( c A ) ( c B ) for an arbitrarily chosen element c. Universal generalisation then implies x ( x A x B ) , which is equivalent to A B , as stated above.

Representations

System Representation
8834
UTF-8 E2 8A 82
UTF-16 22 82
UTF-32 00 00 22 82
URL-Quoted %E2%8A%82
HTML hex reference ⊂
Wrong windows-1252 Mojibake ⊂
HTML named entity ⊂
HTML named entity ⊂
alias included in set
Encoding: CP932 (hex bytes) 81 BC
Encoding: CP949 (hex bytes) A1 F8
Encoding: EUC_JP (hex bytes) A2 BE
Encoding: EUC_JIS_2004 (hex bytes) A2 BE
Encoding: EUC_JISX0213 (hex bytes) A2 BE
Encoding: EUC_KR (hex bytes) A1 F8
Encoding: GB18030 (hex bytes) 81 36 DB 33
Encoding: ISO2022_JP (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes) 1B 24 42 22 3E 1B 28 42
Encoding: ISO2022_KR (hex bytes) 1B 24 29 43 0E 21 78 0F
Encoding: JOHAB (hex bytes) D9 9A
Encoding: SHIFT_JIS (hex bytes) 81 BC
Encoding: SHIFT_JIS_2004 (hex bytes) 81 BC
Encoding: SHIFT_JISX0213 (hex bytes) 81 BC
LATEX \subset
Adobe Glyph List propersubset
Adobe Glyph List subset
digraph (C

Related Characters

Confusables

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) SUBSET OF
Unicode 1 Name (na1)
Block (blk) Mathematical Operators
General Category (gc) Math Symbol
Script (sc) Common
Bidirectional Category (bc) Other Neutral
Combining Class (ccc) Not Reordered
Decomposition Type (dt) none
Decomposition Mapping (dm) Glyph for U+2282 Subset Of
Lowercase (Lower)
Simple Lowercase Mapping (slc) Glyph for U+2282 Subset Of
Lowercase Mapping (lc) Glyph for U+2282 Subset Of
Uppercase (Upper)
Simple Uppercase Mapping (suc) Glyph for U+2282 Subset Of
Uppercase Mapping (uc) Glyph for U+2282 Subset Of
Simple Titlecase Mapping (stc) Glyph for U+2282 Subset Of
Titlecase Mapping (tc) Glyph for U+2282 Subset Of
Case Folding (cf) Glyph for U+2282 Subset Of
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Composition Exclusion (CE)
Case Ignorable (CI)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Cased (Cased)
Full Composition Exclusion (Comp_Ex)
Default Ignorable Code Point (DI)
Dash (Dash)
Deprecated (Dep)
Diacritic (Dia)
Emoji Modifier Base (EBase)
Emoji Component (EComp)
Emoji Modifier (EMod)
Emoji Presentation (EPres)
Emoji (Emoji)
Extender (Ext)
Extended Pictographic (ExtPict)
FC NFKC Closure (FC_NFKC) Glyph for U+2282 Subset Of
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Grapheme Link (Gr_Link)
Hex Digit (Hex)
Hyphen (Hyphen)
ID Continue (IDC)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
IDSU (IDSU) 0
ID_Compat_Math_Continue (ID_Compat_Math_Continue) 0
ID_Compat_Math_Start (ID_Compat_Math_Start) 0
Ideographic (Ideo)
InCB (InCB) None
Indic Mantra Category (InMC)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
Jamo Short Name (JSN)
Join Control (Join_C)
Logical Order Exception (LOE)
Modifier Combining Mark (MCM)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) Glyph for U+2282 Subset Of
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+2282 Subset Of
NFKD Quick Check (NFKD_QC) Yes
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Prepended Concatenation Mark (PCM)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Regional Indicator (RI)
Radical (Radical)
Sentence Break (SB) Other
Soft Dotted (SD)
Sentence Terminal (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)
Bidi Mirrored Glyph (bmg) Glyph for U+2283 Superset Of
Bidi Paired Bracket (bpb) Glyph for U+2282 Subset Of
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) ambiguous
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Ambiguous (Alphabetic or Ideographic)
Numeric Type (nt) none
Numeric Value (nv) not a number
Simple Case Folding (scf) Glyph for U+2282 Subset Of
Script Extension (scx)
Vertical Orientation (vo) R