adam@1592: <!-- Mathematical, Greek and Symbolic characters for XHTML -->
adam@1592: 
adam@1592: <!-- Character entity set. Typical invocation:
adam@1592:      <!ENTITY % HTMLsymbol PUBLIC
adam@1592:         "-//W3C//ENTITIES Symbols for XHTML//EN"
adam@1592:         "http://www.w3.org/TR/xhtml1/DTD/xhtml-symbol.ent">
adam@1592:      %HTMLsymbol;
adam@1592: -->
adam@1592: 
adam@1592: <!-- Portions (C) International Organization for Standardization 1986:
adam@1592:      Permission to copy in any form is granted for use with
adam@1592:      conforming SGML systems and applications as defined in
adam@1592:      ISO 8879, provided this notice is included in all copies.
adam@1592: -->
adam@1592: 
adam@1592: <!-- Relevant ISO entity set is given unless names are newly introduced.
adam@1592:      New names (i.e., not in ISO 8879 list) do not clash with any
adam@1592:      existing ISO 8879 entity names. ISO 10646 character numbers
adam@1592:      are given for each character, in hex. values are decimal
adam@1592:      conversions of the ISO 10646 values and refer to the document
adam@1592:      character set. Names are Unicode names. 
adam@1592: -->
adam@1592: 
adam@1592: <!-- Latin Extended-B -->
adam@1592: <!ENTITY fnof     "&#402;"> <!-- latin small letter f with hook = function
adam@1592:                                     = florin, U+0192 ISOtech -->
adam@1592: 
adam@1592: <!-- Greek -->
adam@1592: <!ENTITY Alpha    "&#913;"> <!-- greek capital letter alpha, U+0391 -->
adam@1592: <!ENTITY Beta     "&#914;"> <!-- greek capital letter beta, U+0392 -->
adam@1592: <!ENTITY Gamma    "&#915;"> <!-- greek capital letter gamma,
adam@1592:                                     U+0393 ISOgrk3 -->
adam@1592: <!ENTITY Delta    "&#916;"> <!-- greek capital letter delta,
adam@1592:                                     U+0394 ISOgrk3 -->
adam@1592: <!ENTITY Epsilon  "&#917;"> <!-- greek capital letter epsilon, U+0395 -->
adam@1592: <!ENTITY Zeta     "&#918;"> <!-- greek capital letter zeta, U+0396 -->
adam@1592: <!ENTITY Eta      "&#919;"> <!-- greek capital letter eta, U+0397 -->
adam@1592: <!ENTITY Theta    "&#920;"> <!-- greek capital letter theta,
adam@1592:                                     U+0398 ISOgrk3 -->
adam@1592: <!ENTITY Iota     "&#921;"> <!-- greek capital letter iota, U+0399 -->
adam@1592: <!ENTITY Kappa    "&#922;"> <!-- greek capital letter kappa, U+039A -->
adam@1592: <!ENTITY Lambda   "&#923;"> <!-- greek capital letter lamda,
adam@1592:                                     U+039B ISOgrk3 -->
adam@1592: <!ENTITY Mu       "&#924;"> <!-- greek capital letter mu, U+039C -->
adam@1592: <!ENTITY Nu       "&#925;"> <!-- greek capital letter nu, U+039D -->
adam@1592: <!ENTITY Xi       "&#926;"> <!-- greek capital letter xi, U+039E ISOgrk3 -->
adam@1592: <!ENTITY Omicron  "&#927;"> <!-- greek capital letter omicron, U+039F -->
adam@1592: <!ENTITY Pi       "&#928;"> <!-- greek capital letter pi, U+03A0 ISOgrk3 -->
adam@1592: <!ENTITY Rho      "&#929;"> <!-- greek capital letter rho, U+03A1 -->
adam@1592: <!-- there is no Sigmaf, and no U+03A2 character either -->
adam@1592: <!ENTITY Sigma    "&#931;"> <!-- greek capital letter sigma,
adam@1592:                                     U+03A3 ISOgrk3 -->
adam@1592: <!ENTITY Tau      "&#932;"> <!-- greek capital letter tau, U+03A4 -->
adam@1592: <!ENTITY Upsilon  "&#933;"> <!-- greek capital letter upsilon,
adam@1592:                                     U+03A5 ISOgrk3 -->
adam@1592: <!ENTITY Phi      "&#934;"> <!-- greek capital letter phi,
adam@1592:                                     U+03A6 ISOgrk3 -->
adam@1592: <!ENTITY Chi      "&#935;"> <!-- greek capital letter chi, U+03A7 -->
adam@1592: <!ENTITY Psi      "&#936;"> <!-- greek capital letter psi,
adam@1592:                                     U+03A8 ISOgrk3 -->
adam@1592: <!ENTITY Omega    "&#937;"> <!-- greek capital letter omega,
adam@1592:                                     U+03A9 ISOgrk3 -->
adam@1592: 
adam@1592: <!ENTITY alpha    "&#945;"> <!-- greek small letter alpha,
adam@1592:                                     U+03B1 ISOgrk3 -->
adam@1592: <!ENTITY beta     "&#946;"> <!-- greek small letter beta, U+03B2 ISOgrk3 -->
adam@1592: <!ENTITY gamma    "&#947;"> <!-- greek small letter gamma,
adam@1592:                                     U+03B3 ISOgrk3 -->
adam@1592: <!ENTITY delta    "&#948;"> <!-- greek small letter delta,
adam@1592:                                     U+03B4 ISOgrk3 -->
adam@1592: <!ENTITY epsilon  "&#949;"> <!-- greek small letter epsilon,
adam@1592:                                     U+03B5 ISOgrk3 -->
adam@1592: <!ENTITY zeta     "&#950;"> <!-- greek small letter zeta, U+03B6 ISOgrk3 -->
adam@1592: <!ENTITY eta      "&#951;"> <!-- greek small letter eta, U+03B7 ISOgrk3 -->
adam@1592: <!ENTITY theta    "&#952;"> <!-- greek small letter theta,
adam@1592:                                     U+03B8 ISOgrk3 -->
adam@1592: <!ENTITY iota     "&#953;"> <!-- greek small letter iota, U+03B9 ISOgrk3 -->
adam@1592: <!ENTITY kappa    "&#954;"> <!-- greek small letter kappa,
adam@1592:                                     U+03BA ISOgrk3 -->
adam@1592: <!ENTITY lambda   "&#955;"> <!-- greek small letter lamda,
adam@1592:                                     U+03BB ISOgrk3 -->
adam@1592: <!ENTITY mu       "&#956;"> <!-- greek small letter mu, U+03BC ISOgrk3 -->
adam@1592: <!ENTITY nu       "&#957;"> <!-- greek small letter nu, U+03BD ISOgrk3 -->
adam@1592: <!ENTITY xi       "&#958;"> <!-- greek small letter xi, U+03BE ISOgrk3 -->
adam@1592: <!ENTITY omicron  "&#959;"> <!-- greek small letter omicron, U+03BF NEW -->
adam@1592: <!ENTITY pi       "&#960;"> <!-- greek small letter pi, U+03C0 ISOgrk3 -->
adam@1592: <!ENTITY rho      "&#961;"> <!-- greek small letter rho, U+03C1 ISOgrk3 -->
adam@1592: <!ENTITY sigmaf   "&#962;"> <!-- greek small letter final sigma,
adam@1592:                                     U+03C2 ISOgrk3 -->
adam@1592: <!ENTITY sigma    "&#963;"> <!-- greek small letter sigma,
adam@1592:                                     U+03C3 ISOgrk3 -->
adam@1592: <!ENTITY tau      "&#964;"> <!-- greek small letter tau, U+03C4 ISOgrk3 -->
adam@1592: <!ENTITY upsilon  "&#965;"> <!-- greek small letter upsilon,
adam@1592:                                     U+03C5 ISOgrk3 -->
adam@1592: <!ENTITY phi      "&#966;"> <!-- greek small letter phi, U+03C6 ISOgrk3 -->
adam@1592: <!ENTITY chi      "&#967;"> <!-- greek small letter chi, U+03C7 ISOgrk3 -->
adam@1592: <!ENTITY psi      "&#968;"> <!-- greek small letter psi, U+03C8 ISOgrk3 -->
adam@1592: <!ENTITY omega    "&#969;"> <!-- greek small letter omega,
adam@1592:                                     U+03C9 ISOgrk3 -->
adam@1592: <!ENTITY thetasym "&#977;"> <!-- greek theta symbol,
adam@1592:                                     U+03D1 NEW -->
adam@1592: <!ENTITY upsih    "&#978;"> <!-- greek upsilon with hook symbol,
adam@1592:                                     U+03D2 NEW -->
adam@1592: <!ENTITY piv      "&#982;"> <!-- greek pi symbol, U+03D6 ISOgrk3 -->
adam@1592: 
adam@1592: <!-- General Punctuation -->
adam@1592: <!ENTITY bull     "&#8226;"> <!-- bullet = black small circle,
adam@1592:                                      U+2022 ISOpub  -->
adam@1592: <!-- bullet is NOT the same as bullet operator, U+2219 -->
adam@1592: <!ENTITY hellip   "&#8230;"> <!-- horizontal ellipsis = three dot leader,
adam@1592:                                      U+2026 ISOpub  -->
adam@1592: <!ENTITY prime    "&#8242;"> <!-- prime = minutes = feet, U+2032 ISOtech -->
adam@1592: <!ENTITY Prime    "&#8243;"> <!-- double prime = seconds = inches,
adam@1592:                                      U+2033 ISOtech -->
adam@1592: <!ENTITY oline    "&#8254;"> <!-- overline = spacing overscore,
adam@1592:                                      U+203E NEW -->
adam@1592: <!ENTITY frasl    "&#8260;"> <!-- fraction slash, U+2044 NEW -->
adam@1592: 
adam@1592: <!-- Letterlike Symbols -->
adam@1592: <!ENTITY weierp   "&#8472;"> <!-- script capital P = power set
adam@1592:                                      = Weierstrass p, U+2118 ISOamso -->
adam@1592: <!ENTITY image    "&#8465;"> <!-- black-letter capital I = imaginary part,
adam@1592:                                      U+2111 ISOamso -->
adam@1592: <!ENTITY real     "&#8476;"> <!-- black-letter capital R = real part symbol,
adam@1592:                                      U+211C ISOamso -->
adam@1592: <!ENTITY trade    "&#8482;"> <!-- trade mark sign, U+2122 ISOnum -->
adam@1592: <!ENTITY alefsym  "&#8501;"> <!-- alef symbol = first transfinite cardinal,
adam@1592:                                      U+2135 NEW -->
adam@1592: <!-- alef symbol is NOT the same as hebrew letter alef,
adam@1592:      U+05D0 although the same glyph could be used to depict both characters -->
adam@1592: 
adam@1592: <!-- Arrows -->
adam@1592: <!ENTITY larr     "&#8592;"> <!-- leftwards arrow, U+2190 ISOnum -->
adam@1592: <!ENTITY uarr     "&#8593;"> <!-- upwards arrow, U+2191 ISOnum-->
adam@1592: <!ENTITY rarr     "&#8594;"> <!-- rightwards arrow, U+2192 ISOnum -->
adam@1592: <!ENTITY darr     "&#8595;"> <!-- downwards arrow, U+2193 ISOnum -->
adam@1592: <!ENTITY harr     "&#8596;"> <!-- left right arrow, U+2194 ISOamsa -->
adam@1592: <!ENTITY crarr    "&#8629;"> <!-- downwards arrow with corner leftwards
adam@1592:                                      = carriage return, U+21B5 NEW -->
adam@1592: <!ENTITY lArr     "&#8656;"> <!-- leftwards double arrow, U+21D0 ISOtech -->
adam@1592: <!-- Unicode does not say that lArr is the same as the 'is implied by' arrow
adam@1592:     but also does not have any other character for that function. So lArr can
adam@1592:     be used for 'is implied by' as ISOtech suggests -->
adam@1592: <!ENTITY uArr     "&#8657;"> <!-- upwards double arrow, U+21D1 ISOamsa -->
adam@1592: <!ENTITY rArr     "&#8658;"> <!-- rightwards double arrow,
adam@1592:                                      U+21D2 ISOtech -->
adam@1592: <!-- Unicode does not say this is the 'implies' character but does not have 
adam@1592:      another character with this function so rArr can be used for 'implies'
adam@1592:      as ISOtech suggests -->
adam@1592: <!ENTITY dArr     "&#8659;"> <!-- downwards double arrow, U+21D3 ISOamsa -->
adam@1592: <!ENTITY hArr     "&#8660;"> <!-- left right double arrow,
adam@1592:                                      U+21D4 ISOamsa -->
adam@1592: 
adam@1592: <!-- Mathematical Operators -->
adam@1592: <!ENTITY forall   "&#8704;"> <!-- for all, U+2200 ISOtech -->
adam@1592: <!ENTITY part     "&#8706;"> <!-- partial differential, U+2202 ISOtech  -->
adam@1592: <!ENTITY exist    "&#8707;"> <!-- there exists, U+2203 ISOtech -->
adam@1592: <!ENTITY empty    "&#8709;"> <!-- empty set = null set, U+2205 ISOamso -->
adam@1592: <!ENTITY nabla    "&#8711;"> <!-- nabla = backward difference,
adam@1592:                                      U+2207 ISOtech -->
adam@1592: <!ENTITY isin     "&#8712;"> <!-- element of, U+2208 ISOtech -->
adam@1592: <!ENTITY notin    "&#8713;"> <!-- not an element of, U+2209 ISOtech -->
adam@1592: <!ENTITY ni       "&#8715;"> <!-- contains as member, U+220B ISOtech -->
adam@1592: <!ENTITY prod     "&#8719;"> <!-- n-ary product = product sign,
adam@1592:                                      U+220F ISOamsb -->
adam@1592: <!-- prod is NOT the same character as U+03A0 'greek capital letter pi' though
adam@1592:      the same glyph might be used for both -->
adam@1592: <!ENTITY sum      "&#8721;"> <!-- n-ary summation, U+2211 ISOamsb -->
adam@1592: <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'
adam@1592:      though the same glyph might be used for both -->
adam@1592: <!ENTITY minus    "&#8722;"> <!-- minus sign, U+2212 ISOtech -->
adam@1592: <!ENTITY lowast   "&#8727;"> <!-- asterisk operator, U+2217 ISOtech -->
adam@1592: <!ENTITY radic    "&#8730;"> <!-- square root = radical sign,
adam@1592:                                      U+221A ISOtech -->
adam@1592: <!ENTITY prop     "&#8733;"> <!-- proportional to, U+221D ISOtech -->
adam@1592: <!ENTITY infin    "&#8734;"> <!-- infinity, U+221E ISOtech -->
adam@1592: <!ENTITY ang      "&#8736;"> <!-- angle, U+2220 ISOamso -->
adam@1592: <!ENTITY and      "&#8743;"> <!-- logical and = wedge, U+2227 ISOtech -->
adam@1592: <!ENTITY or       "&#8744;"> <!-- logical or = vee, U+2228 ISOtech -->
adam@1592: <!ENTITY cap      "&#8745;"> <!-- intersection = cap, U+2229 ISOtech -->
adam@1592: <!ENTITY cup      "&#8746;"> <!-- union = cup, U+222A ISOtech -->
adam@1592: <!ENTITY int      "&#8747;"> <!-- integral, U+222B ISOtech -->
adam@1592: <!ENTITY there4   "&#8756;"> <!-- therefore, U+2234 ISOtech -->
adam@1592: <!ENTITY sim      "&#8764;"> <!-- tilde operator = varies with = similar to,
adam@1592:                                      U+223C ISOtech -->
adam@1592: <!-- tilde operator is NOT the same character as the tilde, U+007E,
adam@1592:      although the same glyph might be used to represent both  -->
adam@1592: <!ENTITY cong     "&#8773;"> <!-- approximately equal to, U+2245 ISOtech -->
adam@1592: <!ENTITY asymp    "&#8776;"> <!-- almost equal to = asymptotic to,
adam@1592:                                      U+2248 ISOamsr -->
adam@1592: <!ENTITY ne       "&#8800;"> <!-- not equal to, U+2260 ISOtech -->
adam@1592: <!ENTITY equiv    "&#8801;"> <!-- identical to, U+2261 ISOtech -->
adam@1592: <!ENTITY le       "&#8804;"> <!-- less-than or equal to, U+2264 ISOtech -->
adam@1592: <!ENTITY ge       "&#8805;"> <!-- greater-than or equal to,
adam@1592:                                      U+2265 ISOtech -->
adam@1592: <!ENTITY sub      "&#8834;"> <!-- subset of, U+2282 ISOtech -->
adam@1592: <!ENTITY sup      "&#8835;"> <!-- superset of, U+2283 ISOtech -->
adam@1592: <!ENTITY nsub     "&#8836;"> <!-- not a subset of, U+2284 ISOamsn -->
adam@1592: <!ENTITY sube     "&#8838;"> <!-- subset of or equal to, U+2286 ISOtech -->
adam@1592: <!ENTITY supe     "&#8839;"> <!-- superset of or equal to,
adam@1592:                                      U+2287 ISOtech -->
adam@1592: <!ENTITY oplus    "&#8853;"> <!-- circled plus = direct sum,
adam@1592:                                      U+2295 ISOamsb -->
adam@1592: <!ENTITY otimes   "&#8855;"> <!-- circled times = vector product,
adam@1592:                                      U+2297 ISOamsb -->
adam@1592: <!ENTITY perp     "&#8869;"> <!-- up tack = orthogonal to = perpendicular,
adam@1592:                                      U+22A5 ISOtech -->
adam@1592: <!ENTITY sdot     "&#8901;"> <!-- dot operator, U+22C5 ISOamsb -->
adam@1592: <!-- dot operator is NOT the same character as U+00B7 middle dot -->
adam@1592: 
adam@1592: <!-- Miscellaneous Technical -->
adam@1592: <!ENTITY lceil    "&#8968;"> <!-- left ceiling = APL upstile,
adam@1592:                                      U+2308 ISOamsc  -->
adam@1592: <!ENTITY rceil    "&#8969;"> <!-- right ceiling, U+2309 ISOamsc  -->
adam@1592: <!ENTITY lfloor   "&#8970;"> <!-- left floor = APL downstile,
adam@1592:                                      U+230A ISOamsc  -->
adam@1592: <!ENTITY rfloor   "&#8971;"> <!-- right floor, U+230B ISOamsc  -->
adam@1592: <!ENTITY lang     "&#9001;"> <!-- left-pointing angle bracket = bra,
adam@1592:                                      U+2329 ISOtech -->
adam@1592: <!-- lang is NOT the same character as U+003C 'less than sign' 
adam@1592:      or U+2039 'single left-pointing angle quotation mark' -->
adam@1592: <!ENTITY rang     "&#9002;"> <!-- right-pointing angle bracket = ket,
adam@1592:                                      U+232A ISOtech -->
adam@1592: <!-- rang is NOT the same character as U+003E 'greater than sign' 
adam@1592:      or U+203A 'single right-pointing angle quotation mark' -->
adam@1592: 
adam@1592: <!-- Geometric Shapes -->
adam@1592: <!ENTITY loz      "&#9674;"> <!-- lozenge, U+25CA ISOpub -->
adam@1592: 
adam@1592: <!-- Miscellaneous Symbols -->
adam@1592: <!ENTITY spades   "&#9824;"> <!-- black spade suit, U+2660 ISOpub -->
adam@1592: <!-- black here seems to mean filled as opposed to hollow -->
adam@1592: <!ENTITY clubs    "&#9827;"> <!-- black club suit = shamrock,
adam@1592:                                      U+2663 ISOpub -->
adam@1592: <!ENTITY hearts   "&#9829;"> <!-- black heart suit = valentine,
adam@1592:                                      U+2665 ISOpub -->
adam@1592: <!ENTITY diams    "&#9830;"> <!-- black diamond suit, U+2666 ISOpub -->