Source: Noto Sans Math

U+21F9 Left Right Arrow with Vertical Stroke

U+21F9 was added in Unicode version 3.2 in 2002. It belongs to the block U+2190 to U+21FF Arrows 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. Znak jest również znany jako z notation partial relation.

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+21F9 forms with similar adjacent characters prevents a line break inside it.

Wikipedia ma następujące informacje na temat tej współrzędnej kodowej:

In mathematics, a partial equivalence relation (often abbreviated as PER, in older literature also called restricted equivalence relation) is a homogeneous binary relation that is symmetric and transitive. If the relation is also reflexive, then the relation is an equivalence relation.

Reprezentacje

System	Reprezentacje
Nº	8697
UTF-8	E2 87 B9
UTF-16	21 F9
UTF-32	00 00 21 F9
Adres URL cytowany	%E2%87%B9
HTML hex reference	⇹
Błędne windows-1252 Mojibake	â‡¹
alias	z notation partial relation

Gdzie indziej

Kompletny opis

Właściwość	Wartość
Age (age)	3.2 (2002)
Unicode Name (na)	LEFT RIGHT ARROW WITH VERTICAL STROKE
Unicode 1 Name (na1)	—
Block (blk)	Arrows
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)	Left Right Arrow with Vertical Stroke
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Left Right Arrow with Vertical Stroke
Lowercase Mapping (lc)	Left Right Arrow with Vertical Stroke
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Left Right Arrow with Vertical Stroke
Uppercase Mapping (uc)	Left Right Arrow with Vertical Stroke
Simple Titlecase Mapping (stc)	Left Right Arrow with Vertical Stroke
Titlecase Mapping (tc)	Left Right Arrow with Vertical Stroke
Case Folding (cf)	Left Right Arrow with Vertical Stroke
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)	Left Right Arrow with Vertical Stroke
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)	✘
Math (Math)	✔
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Yes
NFD Quick Check (NFD_QC)	Yes
NFKC Casefold (NFKC_CF)	Left Right Arrow with Vertical Stroke
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Left Right Arrow with Vertical Stroke
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 Paired Bracket (bpb)	Left Right Arrow with Vertical Stroke
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
Wartość liczbowa (nv)	not a number
Simple Case Folding (scf)	Left Right Arrow with Vertical Stroke
Script Extension (scx)
Vertical Orientation (vo)	R