U+2209 NOT AN ELEMENT OF: ∉ – Unicode

U+2209 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 glyph is a canonical composition of the glyphs Element Of, Combining Long Solidus Overlay. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Does Not Contain As Member. The word that U+2209 forms with similar adjacent characters prevents a line break inside it.

The CLDR project calls this character “not an element” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: an, element, not.

The Wikipedia has the following information about this codepoint:

In mathematics, an element (or member) of a set is any one of the distinct objects that belong to that set. For example, given a set called A containing the first four positive integers ( $A = {1, 2, 3, 4}$ ), one could say that "3 is an element of A", expressed notationally as $3 \in A$ .

Representations

System	Representation (click value to copy)
Nº	8713
UTF-8	E2 88 89
UTF-16	22 09
UTF-32	00 00 22 09
URL-Quoted	%E2%88%89
HTML hex reference	∉
Wrong windows-1252 Mojibake	âˆ‰
HTML named entity	&NotElement;
HTML named entity	∉
HTML named entity	&notinva;
Encoding: EUC_JIS_2004 (hex bytes)	A2 C6
Encoding: EUC_JISX0213 (hex bytes)	A2 C6
Encoding: GB18030 (hex bytes)	81 36 D2 34
Encoding: ISO2022_JP_2004 (hex bytes)	1B 24 28 51 22 46 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)	1B 24 28 4F 22 46 1B 28 42
Encoding: SHIFT_JIS_2004 (hex bytes)	81 C4
Encoding: SHIFT_JISX0213 (hex bytes)	81 C4
LATEX	\not\in
Adobe Glyph List	notelement
Adobe Glyph List	notelementof
RFC 5137	\u'2209'
Bash and Zsh inside `echo -e`	\u2209
C and C++	\u2209
C#	\u2209
CSS	\002209
Excel	=UNICHAR(8713)
Go	\u2209
JavaScript	\u2209
Modern JavaScript since ES6	\u{2209}
JSON	\u2209
Java	\u2209
Lua	\u{2209}
Matlab	char(8713)
Perl	"\x{2209}"
PHP	\u{2209}
PostgreSQL	U&'\2209'
PowerShell	`u{2209}
Python	\u2209
Ruby	\u{2209}
Rust	\u{2209}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)

Related Characters

Does Not Contain As Member

Elsewhere

Complete Record

Property	Value
Age (age)	1.1 (1993)
Unicode Name (na)	NOT AN ELEMENT 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)	canonical
Decomposition Mapping (dm)	Element Of Combining Long Solidus Overlay
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Not An Element Of
Lowercase Mapping (lc)	Not An Element Of
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Not An Element Of
Uppercase Mapping (uc)	Not An Element Of
Simple Titlecase Mapping (stc)	Not An Element Of
Titlecase Mapping (tc)	Not An Element Of
Case Folding (cf)	Not An Element 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)	Not An Element 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)	No
NFKC Casefold (NFKC_CF)	Not An Element Of
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Not An Element Of
NFKD Quick Check (NFKD_QC)	No
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)	Does Not Contain As Member
Bidi Paired Bracket (bpb)	Not An Element Of
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	neutral
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Alphabetic
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Not An Element Of
Script Extension (scx)
Vertical Orientation (vo)	R

U+2209 Not An Element Of

Representations

Related Characters

Elsewhere

Complete Record