| <!-- ...................................................................... --> |
| <!-- ISO Math, Greek and Symbolic Character Entity Set for XHTML .......... --> |
| <!-- file: xhtml-symbol.ent |
| |
| Typical invocation: |
| |
| <!ENTITY % xhtml-symbol |
| PUBLIC "-//W3C//ENTITIES Symbols for XHTML//EN" |
| "xhtml-symbol.ent" > |
| %xhtml-symbol; |
| |
| This DTD module is identified by the PUBLIC and SYSTEM identifiers: |
| |
| PUBLIC "-//W3C//ENTITIES Symbols for XHTML//EN" |
| SYSTEM "http://www.w3.org/TR/MarkUp/DTD/xhtml-symbol.ent" |
| |
| Revision: $Id: xhtml-symbol.ent,v 4.1 2001/04/10 09:34:14 altheim Exp $ SMI |
| |
| Portions (C) International Organization for Standardization 1986: |
| Permission to copy in any form is granted for use with conforming |
| SGML systems and applications as defined in ISO 8879, provided |
| this notice is included in all copies. |
| --> |
| |
| <!-- Relevant ISO entity set is given unless names are newly introduced. |
| New names (i.e., not in ISO 8879 [SGML] list) do not clash with |
| any existing ISO 8879 entity names. ISO 10646 [ISO10646] character |
| numbers are given for each character, in hex. Entity values are |
| decimal conversions of the ISO 10646 values and refer to the |
| document character set. Names are Unicode [UNICODE] names. |
| --> |
| |
| <!-- Latin Extended-B --> |
| <!ENTITY fnof "ƒ" ><!-- latin small f with hook = function |
| = florin, U+0192 ISOtech --> |
| |
| <!-- Greek --> |
| <!ENTITY Alpha "Α" ><!-- greek capital letter alpha, U+0391 --> |
| <!ENTITY Beta "Β" ><!-- greek capital letter beta, U+0392 --> |
| <!ENTITY Gamma "Γ" ><!-- greek capital letter gamma, U+0393 ISOgrk3 --> |
| <!ENTITY Delta "Δ" ><!-- greek capital letter delta, U+0394 ISOgrk3 --> |
| <!ENTITY Epsilon "Ε" ><!-- greek capital letter epsilon, U+0395 --> |
| <!ENTITY Zeta "Ζ" ><!-- greek capital letter zeta, U+0396 --> |
| <!ENTITY Eta "Η" ><!-- greek capital letter eta, U+0397 --> |
| <!ENTITY Theta "Θ" ><!-- greek capital letter theta, U+0398 ISOgrk3 --> |
| <!ENTITY Iota "Ι" ><!-- greek capital letter iota, U+0399 --> |
| <!ENTITY Kappa "Κ" ><!-- greek capital letter kappa, U+039A --> |
| <!ENTITY Lambda "Λ" ><!-- greek capital letter lambda, U+039B ISOgrk3 --> |
| <!ENTITY Mu "Μ" ><!-- greek capital letter mu, U+039C --> |
| <!ENTITY Nu "Ν" ><!-- greek capital letter nu, U+039D --> |
| <!ENTITY Xi "Ξ" ><!-- greek capital letter xi, U+039E ISOgrk3 --> |
| <!ENTITY Omicron "Ο" ><!-- greek capital letter omicron, U+039F --> |
| <!ENTITY Pi "Π" ><!-- greek capital letter pi, U+03A0 ISOgrk3 --> |
| <!ENTITY Rho "Ρ" ><!-- greek capital letter rho, U+03A1 --> |
| <!-- there is no Sigmaf, and no U+03A2 character either --> |
| <!ENTITY Sigma "Σ" ><!-- greek capital letter sigma, U+03A3 ISOgrk3 --> |
| <!ENTITY Tau "Τ" ><!-- greek capital letter tau, U+03A4 --> |
| <!ENTITY Upsilon "Υ" ><!-- greek capital letter upsilon, |
| U+03A5 ISOgrk3 --> |
| <!ENTITY Phi "Φ" ><!-- greek capital letter phi, U+03A6 ISOgrk3 --> |
| <!ENTITY Chi "Χ" ><!-- greek capital letter chi, U+03A7 --> |
| <!ENTITY Psi "Ψ" ><!-- greek capital letter psi, U+03A8 ISOgrk3 --> |
| <!ENTITY Omega "Ω" ><!-- greek capital letter omega, U+03A9 ISOgrk3 --> |
| <!ENTITY alpha "α" ><!-- greek small letter alpha, U+03B1 ISOgrk3 --> |
| <!ENTITY beta "β" ><!-- greek small letter beta, U+03B2 ISOgrk3 --> |
| <!ENTITY gamma "γ" ><!-- greek small letter gamma, U+03B3 ISOgrk3 --> |
| <!ENTITY delta "δ" ><!-- greek small letter delta, U+03B4 ISOgrk3 --> |
| <!ENTITY epsilon "ε" ><!-- greek small letter epsilon, U+03B5 ISOgrk3 --> |
| <!ENTITY zeta "ζ" ><!-- greek small letter zeta, U+03B6 ISOgrk3 --> |
| <!ENTITY eta "η" ><!-- greek small letter eta, U+03B7 ISOgrk3 --> |
| <!ENTITY theta "θ" ><!-- greek small letter theta, U+03B8 ISOgrk3 --> |
| <!ENTITY iota "ι" ><!-- greek small letter iota, U+03B9 ISOgrk3 --> |
| <!ENTITY kappa "κ" ><!-- greek small letter kappa, U+03BA ISOgrk3 --> |
| <!ENTITY lambda "λ" ><!-- greek small letter lambda, U+03BB ISOgrk3 --> |
| <!ENTITY mu "μ" ><!-- greek small letter mu, U+03BC ISOgrk3 --> |
| <!ENTITY nu "ν" ><!-- greek small letter nu, U+03BD ISOgrk3 --> |
| <!ENTITY xi "ξ" ><!-- greek small letter xi, U+03BE ISOgrk3 --> |
| <!ENTITY omicron "ο" ><!-- greek small letter omicron, U+03BF NEW --> |
| <!ENTITY pi "π" ><!-- greek small letter pi, U+03C0 ISOgrk3 --> |
| <!ENTITY rho "ρ" ><!-- greek small letter rho, U+03C1 ISOgrk3 --> |
| <!ENTITY sigmaf "ς" ><!-- greek small letter final sigma, U+03C2 ISOgrk3 --> |
| <!ENTITY sigma "σ" ><!-- greek small letter sigma, U+03C3 ISOgrk3 --> |
| <!ENTITY tau "τ" ><!-- greek small letter tau, U+03C4 ISOgrk3 --> |
| <!ENTITY upsilon "υ" ><!-- greek small letter upsilon, U+03C5 ISOgrk3 --> |
| <!ENTITY phi "φ" ><!-- greek small letter phi, U+03C6 ISOgrk3 --> |
| <!ENTITY chi "χ" ><!-- greek small letter chi, U+03C7 ISOgrk3 --> |
| <!ENTITY psi "ψ" ><!-- greek small letter psi, U+03C8 ISOgrk3 --> |
| <!ENTITY omega "ω" ><!-- greek small letter omega, U+03C9 ISOgrk3 --> |
| <!ENTITY thetasym "ϑ" ><!-- greek small letter theta symbol, U+03D1 NEW --> |
| <!ENTITY upsih "ϒ" ><!-- greek upsilon with hook symbol, U+03D2 NEW --> |
| <!ENTITY piv "ϖ" ><!-- greek pi symbol, U+03D6 ISOgrk3 --> |
| |
| <!-- General Punctuation --> |
| <!ENTITY bull "•" ><!-- bullet = black small circle, U+2022 ISOpub --> |
| <!-- bullet is NOT the same as bullet operator, U+2219 --> |
| <!ENTITY hellip "…" ><!-- horizontal ellipsis = three dot leader, U+2026 ISOpub --> |
| <!ENTITY prime "′" ><!-- prime = minutes = feet, U+2032 ISOtech --> |
| <!ENTITY Prime "″" ><!-- double prime = seconds = inches, U+2033 ISOtech --> |
| <!ENTITY oline "‾" ><!-- overline = spacing overscore, U+203E NEW --> |
| <!ENTITY frasl "⁄" ><!-- fraction slash, U+2044 NEW --> |
| |
| <!-- Letterlike Symbols --> |
| <!ENTITY weierp "℘" ><!-- script capital P = power set = Weierstrass p, U+2118 ISOamso --> |
| <!ENTITY image "ℑ" ><!-- blackletter capital I = imaginary part, U+2111 ISOamso --> |
| <!ENTITY real "ℜ" ><!-- blackletter capital R = real part symbol, U+211C ISOamso --> |
| <!ENTITY trade "™" ><!-- trade mark sign, U+2122 ISOnum --> |
| <!ENTITY alefsym "ℵ" ><!-- alef symbol = first transfinite cardinal, U+2135 NEW --> |
| <!-- alef symbol is NOT the same as hebrew letter alef, U+05D0 although |
| the same glyph could be used to depict both characters --> |
| |
| <!-- Arrows --> |
| <!ENTITY larr "←" ><!-- leftwards arrow, U+2190 ISOnum --> |
| <!ENTITY uarr "↑" ><!-- upwards arrow, U+2191 ISOnum--> |
| <!ENTITY rarr "→" ><!-- rightwards arrow, U+2192 ISOnum --> |
| <!ENTITY darr "↓" ><!-- downwards arrow, U+2193 ISOnum --> |
| <!ENTITY harr "↔" ><!-- left right arrow, U+2194 ISOamsa --> |
| <!ENTITY crarr "↵" ><!-- downwards arrow with corner leftwards |
| = carriage return, U+21B5 NEW --> |
| <!ENTITY lArr "⇐" ><!-- leftwards double arrow, U+21D0 ISOtech --> |
| <!-- Unicode does not say that lArr is the same as the 'is implied by' arrow |
| but also does not have any other character for that function. So ? lArr can |
| be used for 'is implied by' as ISOtech suggests --> |
| <!ENTITY uArr "⇑" ><!-- upwards double arrow, U+21D1 ISOamsa --> |
| <!ENTITY rArr "⇒" ><!-- rightwards double arrow, U+21D2 ISOtech --> |
| <!-- Unicode does not say this is the 'implies' character but does not have |
| another character with this function so ? |
| rArr can be used for 'implies' as ISOtech suggests --> |
| <!ENTITY dArr "⇓" ><!-- downwards double arrow, U+21D3 ISOamsa --> |
| <!ENTITY hArr "⇔" ><!-- left right double arrow, U+21D4 ISOamsa --> |
| |
| <!-- Mathematical Operators --> |
| <!ENTITY forall "∀" ><!-- for all, U+2200 ISOtech --> |
| <!ENTITY part "∂" ><!-- partial differential, U+2202 ISOtech --> |
| <!ENTITY exist "∃" ><!-- there exists, U+2203 ISOtech --> |
| <!ENTITY empty "∅" ><!-- empty set = null set, U+2205 ISOamso --> |
| <!ENTITY nabla "∇" ><!-- nabla = backward difference, U+2207 ISOtech --> |
| <!ENTITY isin "∈" ><!-- element of, U+2208 ISOtech --> |
| <!ENTITY notin "∉" ><!-- not an element of, U+2209 ISOtech --> |
| <!ENTITY ni "∋" ><!-- contains as member, U+220B ISOtech --> |
| <!-- should there be a more memorable name than 'ni'? --> |
| <!ENTITY prod "∏" ><!-- n-ary product = product sign, U+220F ISOamsb --> |
| <!-- prod is NOT the same character as U+03A0 'greek capital letter pi' though |
| the same glyph might be used for both --> |
| <!ENTITY sum "∑" ><!-- n-ary sumation, U+2211 ISOamsb --> |
| <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma' |
| though the same glyph might be used for both --> |
| <!ENTITY minus "−" ><!-- minus sign, U+2212 ISOtech --> |
| <!ENTITY lowast "∗" ><!-- asterisk operator, U+2217 ISOtech --> |
| <!ENTITY radic "√" ><!-- square root = radical sign, U+221A ISOtech --> |
| <!ENTITY prop "∝" ><!-- proportional to, U+221D ISOtech --> |
| <!ENTITY infin "∞" ><!-- infinity, U+221E ISOtech --> |
| <!ENTITY ang "∠" ><!-- angle, U+2220 ISOamso --> |
| <!ENTITY and "∧" ><!-- logical and = wedge, U+2227 ISOtech --> |
| <!ENTITY or "∨" ><!-- logical or = vee, U+2228 ISOtech --> |
| <!ENTITY cap "∩" ><!-- intersection = cap, U+2229 ISOtech --> |
| <!ENTITY cup "∪" ><!-- union = cup, U+222A ISOtech --> |
| <!ENTITY int "∫" ><!-- integral, U+222B ISOtech --> |
| <!ENTITY there4 "∴" ><!-- therefore, U+2234 ISOtech --> |
| <!ENTITY sim "∼" ><!-- tilde operator = varies with = similar to, U+223C ISOtech --> |
| <!-- tilde operator is NOT the same character as the tilde, U+007E, |
| although the same glyph might be used to represent both --> |
| <!ENTITY cong "≅" ><!-- approximately equal to, U+2245 ISOtech --> |
| <!ENTITY asymp "≈" ><!-- almost equal to = asymptotic to, U+2248 ISOamsr --> |
| <!ENTITY ne "≠" ><!-- not equal to, U+2260 ISOtech --> |
| <!ENTITY equiv "≡" ><!-- identical to, U+2261 ISOtech --> |
| <!ENTITY le "≤" ><!-- less-than or equal to, U+2264 ISOtech --> |
| <!ENTITY ge "≥" ><!-- greater-than or equal to, U+2265 ISOtech --> |
| <!ENTITY sub "⊂" ><!-- subset of, U+2282 ISOtech --> |
| <!ENTITY sup "⊃" ><!-- superset of, U+2283 ISOtech --> |
| <!-- note that nsup, 'not a superset of, U+2283' is not covered by the Symbol |
| font encoding and is not included. Should it be, for symmetry? |
| It is in ISOamsn --> |
| <!ENTITY nsub "⊄" ><!-- not a subset of, U+2284 ISOamsn --> |
| <!ENTITY sube "⊆" ><!-- subset of or equal to, U+2286 ISOtech --> |
| <!ENTITY supe "⊇" ><!-- superset of or equal to, U+2287 ISOtech --> |
| <!ENTITY oplus "⊕" ><!-- circled plus = direct sum, U+2295 ISOamsb --> |
| <!ENTITY otimes "⊗" ><!-- circled times = vector product, U+2297 ISOamsb --> |
| <!ENTITY perp "⊥" ><!-- up tack = orthogonal to = perpendicular, U+22A5 ISOtech --> |
| <!ENTITY sdot "⋅" ><!-- dot operator, U+22C5 ISOamsb --> |
| <!-- dot operator is NOT the same character as U+00B7 middle dot --> |
| |
| <!-- Miscellaneous Technical --> |
| <!ENTITY lceil "⌈" ><!-- left ceiling = apl upstile, U+2308 ISOamsc --> |
| <!ENTITY rceil "⌉" ><!-- right ceiling, U+2309 ISOamsc --> |
| <!ENTITY lfloor "⌊" ><!-- left floor = apl downstile, U+230A ISOamsc --> |
| <!ENTITY rfloor "⌋" ><!-- right floor, U+230B ISOamsc --> |
| <!ENTITY lang "〈" ><!-- left-pointing angle bracket = bra, U+2329 ISOtech --> |
| <!-- lang is NOT the same character as U+003C 'less than' |
| or U+2039 'single left-pointing angle quotation mark' --> |
| <!ENTITY rang "〉" ><!-- right-pointing angle bracket = ket, U+232A ISOtech --> |
| <!-- rang is NOT the same character as U+003E 'greater than' |
| or U+203A 'single right-pointing angle quotation mark' --> |
| |
| <!-- Geometric Shapes --> |
| <!ENTITY loz "◊" ><!-- lozenge, U+25CA ISOpub --> |
| |
| <!-- Miscellaneous Symbols --> |
| <!ENTITY spades "♠" ><!-- black spade suit, U+2660 ISOpub --> |
| <!-- black here seems to mean filled as opposed to hollow --> |
| <!ENTITY clubs "♣" ><!-- black club suit = shamrock, U+2663 ISOpub --> |
| <!ENTITY hearts "♥" ><!-- black heart suit = valentine, U+2665 ISOpub --> |
| <!ENTITY diams "♦" ><!-- black diamond suit, U+2666 ISOpub --> |
| |
| <!-- end of xhtml-symbol.ent --> |
