Inicio U+2980 para U+29FF Miscellaneous Mathematical Symbols-B
Glifo para U+29B0
Fuente: Noto Sans Math

U+29B0 Reversed Empty Set

U+29B0 was added in Unicode version 3.2 in 2002. It belongs to the block U+2980 para U+29FF Miscellaneous Mathematical Symbols-B in the U+0000 para U+FFFF Basic Multilingual Plane.

This character is a Puntuación matemática and is commonly used, that is, in no specific script.

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+29B0 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.

El Wikipedia tiene la siguiente información acerca de este punto de código:

In mathematics, the empty set or void set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero. Some axiomatic set theories ensure that the empty set exists by including an axiom of empty set, while in other theories, its existence can be deduced. Many possible properties of sets are vacuously true for the empty set.

Any set other than the empty set is called non-empty.

In some textbooks and popularizations, the empty set is referred to as the "null set". However, null set is a distinct notion within the context of measure theory, in which it describes a set of measure zero (which is not necessarily empty).

Representaciones

Sistema Representación
N.º 10672
UTF-8 E2 A6 B0
UTF-16 29 B0
UTF-32 00 00 29 B0
URL-Quoted %E2%A6%B0
HTML hex reference ⦰
Mojibake mal de windows-1252 ⦰
HTML named entity ⦰
Codificación: GB18030 (hexadecimales bytes) 81 38 82 36

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Registro completo

Propiedad Valor
Antigüedad (age) 3.2 (2002)
Nombre Unicode (na) REVERSED EMPTY SET
Nombre Unicode 1 (na1) —
Block (blk) Miscellaneous Symbols
Categoría general (gc) Puntuación matemática
Script (sc) Common
Categoría de bidireccionalidad (bc) Other Neutral
Combining Class (ccc) Not Reordered
Tipo de descomposición (dt) none
Decomposition Mapping (dm) Glifo para U+29B0 Reversed Empty Set
Minúscula (Lower) ✘
Simple Lowercase Mapping (slc) Glifo para U+29B0 Reversed Empty Set
Lowercase Mapping (lc) Glifo para U+29B0 Reversed Empty Set
Mayúscula (Upper) ✘
Simple Uppercase Mapping (suc) Glifo para U+29B0 Reversed Empty Set
Uppercase Mapping (uc) Glifo para U+29B0 Reversed Empty Set
Simple Titlecase Mapping (stc) Glifo para U+29B0 Reversed Empty Set
Titlecase Mapping (tc) Glifo para U+29B0 Reversed Empty Set
Case Folding (cf) Glifo para U+29B0 Reversed Empty Set
ASCII Hex Digit (AHex) ✘
Alphabetic (Alpha) ✘
Bidi Control (Bidi_C) ✘
Bidi Mirrored (Bidi_M) ✘
Exclusión de descomposición (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) ✘
Exclusión de composición completa (Comp_Ex) ✘
Default Ignorable Code Point (DI) ✘
Raya (Dash) ✘
Deprecated (Dep) ✘
Diacrítico (Dia) ✘
Base de modificador de emoyi (EBase) ✘
Componente de emoyi (EComp) ✘
Modificador de emoyi (EMod) ✘
Presentación de emoyi (EPres) ✘
Emoyi (Emoji) ✘
Extender (Ext) ✘
Extended Pictographic (ExtPict) ✘
FC NFKC Closure (FC_NFKC) Glifo para U+29B0 Reversed Empty Set
Grapheme Cluster Break (GCB) Any
Base de grafema (Gr_Base) ✔
Extensión de grafema (Gr_Ext) ✘
Enlace de grafema (Gr_Link) ✘
Hex Digit (Hex) ✘
Guion (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) Sí
NFD Quick Check (NFD_QC) Sí
NFKC Casefold (NFKC_CF) Glifo para U+29B0 Reversed Empty Set
NFKC Quick Check (NFKC_QC) Sí
NFKC_SCF (NFKC_SCF) Glifo para U+29B0 Reversed Empty Set
NFKD Quick Check (NFKD_QC) Sí
Other Alphabetic (OAlpha) ✘
Other Default Ignorable Code Point (ODI) ✘
Otra extensión de grafema (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) ✘
Comilla (QMark) ✘
Indicador regional (RI) ✘
Radical (Radical) ✘
Salto de oración (SB) Other
Soft Dotted (SD) ✘
Sentence Terminal (STerm) ✘
Terminal Punctuation (Term) ✘
Ideograma unificado (UIdeo) ✘
Selector de variación (VS) ✘
Salto de palabra (WB) Other
Espacio en blanco (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) Glifo para U+29B0 Reversed Empty Set
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
Valor numérico (nv) not a number
Simple Case Folding (scf) Glifo para U+29B0 Reversed Empty Set
Script Extension (scx)
Orientación vertical (vo) R