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243 lines
14 KiB
243 lines
14 KiB
4 months ago
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<!-- Mathematical, Greek and Symbolic characters for HTML -->
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<!-- Character entity set. Typical invocation:
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<!ENTITY % HTMLsymbol PUBLIC
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"-//W3C//ENTITIES Symbols for XHTML//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml-symbol.ent">
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%HTMLsymbol;
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-->
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<!-- Portions (C) International Organization for Standardization 1986:
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Permission to copy in any form is granted for use with
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conforming SGML systems and applications as defined in
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ISO 8879, provided this notice is included in all copies.
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-->
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<!-- Relevant ISO entity set is given unless names are newly introduced.
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New names (i.e., not in ISO 8879 list) do not clash with any
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existing ISO 8879 entity names. ISO 10646 character numbers
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are given for each character, in hex. values are decimal
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conversions of the ISO 10646 values and refer to the document
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character set. Names are Unicode names.
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-->
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<!-- Latin Extended-B -->
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<!ENTITY fnof "ƒ"> <!-- latin small f with hook = function
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= florin, U+0192 ISOtech -->
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<!-- Greek -->
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<!ENTITY Alpha "Α"> <!-- greek capital letter alpha, U+0391 -->
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<!ENTITY Beta "Β"> <!-- greek capital letter beta, U+0392 -->
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<!ENTITY Gamma "Γ"> <!-- greek capital letter gamma,
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U+0393 ISOgrk3 -->
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<!ENTITY Delta "Δ"> <!-- greek capital letter delta,
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U+0394 ISOgrk3 -->
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<!ENTITY Epsilon "Ε"> <!-- greek capital letter epsilon, U+0395 -->
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<!ENTITY Zeta "Ζ"> <!-- greek capital letter zeta, U+0396 -->
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<!ENTITY Eta "Η"> <!-- greek capital letter eta, U+0397 -->
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<!ENTITY Theta "Θ"> <!-- greek capital letter theta,
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U+0398 ISOgrk3 -->
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<!ENTITY Iota "Ι"> <!-- greek capital letter iota, U+0399 -->
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<!ENTITY Kappa "Κ"> <!-- greek capital letter kappa, U+039A -->
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<!ENTITY Lambda "Λ"> <!-- greek capital letter lambda,
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U+039B ISOgrk3 -->
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<!ENTITY Mu "Μ"> <!-- greek capital letter mu, U+039C -->
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<!ENTITY Nu "Ν"> <!-- greek capital letter nu, U+039D -->
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<!ENTITY Xi "Ξ"> <!-- greek capital letter xi, U+039E ISOgrk3 -->
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<!ENTITY Omicron "Ο"> <!-- greek capital letter omicron, U+039F -->
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<!ENTITY Pi "Π"> <!-- greek capital letter pi, U+03A0 ISOgrk3 -->
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<!ENTITY Rho "Ρ"> <!-- greek capital letter rho, U+03A1 -->
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<!-- there is no Sigmaf, and no U+03A2 character either -->
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<!ENTITY Sigma "Σ"> <!-- greek capital letter sigma,
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U+03A3 ISOgrk3 -->
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<!ENTITY Tau "Τ"> <!-- greek capital letter tau, U+03A4 -->
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<!ENTITY Upsilon "Υ"> <!-- greek capital letter upsilon,
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U+03A5 ISOgrk3 -->
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<!ENTITY Phi "Φ"> <!-- greek capital letter phi,
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U+03A6 ISOgrk3 -->
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<!ENTITY Chi "Χ"> <!-- greek capital letter chi, U+03A7 -->
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<!ENTITY Psi "Ψ"> <!-- greek capital letter psi,
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U+03A8 ISOgrk3 -->
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<!ENTITY Omega "Ω"> <!-- greek capital letter omega,
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U+03A9 ISOgrk3 -->
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<!ENTITY alpha "α"> <!-- greek small letter alpha,
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U+03B1 ISOgrk3 -->
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<!ENTITY beta "β"> <!-- greek small letter beta, U+03B2 ISOgrk3 -->
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<!ENTITY gamma "γ"> <!-- greek small letter gamma,
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U+03B3 ISOgrk3 -->
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<!ENTITY delta "δ"> <!-- greek small letter delta,
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U+03B4 ISOgrk3 -->
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<!ENTITY epsilon "ε"> <!-- greek small letter epsilon,
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U+03B5 ISOgrk3 -->
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<!ENTITY zeta "ζ"> <!-- greek small letter zeta, U+03B6 ISOgrk3 -->
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<!ENTITY eta "η"> <!-- greek small letter eta, U+03B7 ISOgrk3 -->
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<!ENTITY theta "θ"> <!-- greek small letter theta,
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U+03B8 ISOgrk3 -->
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<!ENTITY iota "ι"> <!-- greek small letter iota, U+03B9 ISOgrk3 -->
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<!ENTITY kappa "κ"> <!-- greek small letter kappa,
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U+03BA ISOgrk3 -->
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<!ENTITY lambda "λ"> <!-- greek small letter lambda,
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U+03BB ISOgrk3 -->
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<!ENTITY mu "μ"> <!-- greek small letter mu, U+03BC ISOgrk3 -->
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<!ENTITY nu "ν"> <!-- greek small letter nu, U+03BD ISOgrk3 -->
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<!ENTITY xi "ξ"> <!-- greek small letter xi, U+03BE ISOgrk3 -->
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<!ENTITY omicron "ο"> <!-- greek small letter omicron, U+03BF NEW -->
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<!ENTITY pi "π"> <!-- greek small letter pi, U+03C0 ISOgrk3 -->
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<!ENTITY rho "ρ"> <!-- greek small letter rho, U+03C1 ISOgrk3 -->
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<!ENTITY sigmaf "ς"> <!-- greek small letter final sigma,
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U+03C2 ISOgrk3 -->
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<!ENTITY sigma "σ"> <!-- greek small letter sigma,
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U+03C3 ISOgrk3 -->
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<!ENTITY tau "τ"> <!-- greek small letter tau, U+03C4 ISOgrk3 -->
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<!ENTITY upsilon "υ"> <!-- greek small letter upsilon,
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U+03C5 ISOgrk3 -->
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<!ENTITY phi "φ"> <!-- greek small letter phi, U+03C6 ISOgrk3 -->
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<!ENTITY chi "χ"> <!-- greek small letter chi, U+03C7 ISOgrk3 -->
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<!ENTITY psi "ψ"> <!-- greek small letter psi, U+03C8 ISOgrk3 -->
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<!ENTITY omega "ω"> <!-- greek small letter omega,
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U+03C9 ISOgrk3 -->
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<!ENTITY thetasym "ϑ"> <!-- greek small letter theta symbol,
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U+03D1 NEW -->
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<!ENTITY upsih "ϒ"> <!-- greek upsilon with hook symbol,
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U+03D2 NEW -->
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<!ENTITY piv "ϖ"> <!-- greek pi symbol, U+03D6 ISOgrk3 -->
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<!-- General Punctuation -->
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<!ENTITY bull "•"> <!-- bullet = black small circle,
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U+2022 ISOpub -->
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<!-- bullet is NOT the same as bullet operator, U+2219 -->
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<!ENTITY hellip "…"> <!-- horizontal ellipsis = three dot leader,
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U+2026 ISOpub -->
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<!ENTITY prime "′"> <!-- prime = minutes = feet, U+2032 ISOtech -->
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<!ENTITY Prime "″"> <!-- double prime = seconds = inches,
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U+2033 ISOtech -->
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<!ENTITY oline "‾"> <!-- overline = spacing overscore,
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U+203E NEW -->
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<!ENTITY frasl "⁄"> <!-- fraction slash, U+2044 NEW -->
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<!-- Letterlike Symbols -->
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<!ENTITY weierp "℘"> <!-- script capital P = power set
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= Weierstrass p, U+2118 ISOamso -->
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<!ENTITY image "ℑ"> <!-- blackletter capital I = imaginary part,
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U+2111 ISOamso -->
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<!ENTITY real "ℜ"> <!-- blackletter capital R = real part symbol,
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U+211C ISOamso -->
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<!ENTITY trade "™"> <!-- trade mark sign, U+2122 ISOnum -->
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<!ENTITY alefsym "ℵ"> <!-- alef symbol = first transfinite cardinal,
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U+2135 NEW -->
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<!-- alef symbol is NOT the same as hebrew letter alef,
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U+05D0 although the same glyph could be used to depict both characters -->
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<!-- Arrows -->
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<!ENTITY larr "←"> <!-- leftwards arrow, U+2190 ISOnum -->
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<!ENTITY uarr "↑"> <!-- upwards arrow, U+2191 ISOnum-->
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<!ENTITY rarr "→"> <!-- rightwards arrow, U+2192 ISOnum -->
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<!ENTITY darr "↓"> <!-- downwards arrow, U+2193 ISOnum -->
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<!ENTITY harr "↔"> <!-- left right arrow, U+2194 ISOamsa -->
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<!ENTITY crarr "↵"> <!-- downwards arrow with corner leftwards
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= carriage return, U+21B5 NEW -->
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<!ENTITY lArr "⇐"> <!-- leftwards double arrow, U+21D0 ISOtech -->
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<!-- Unicode does not say that lArr is the same as the 'is implied by' arrow
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but also does not have any other character for that function. So ? lArr can
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be used for 'is implied by' as ISOtech suggests -->
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<!ENTITY uArr "⇑"> <!-- upwards double arrow, U+21D1 ISOamsa -->
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<!ENTITY rArr "⇒"> <!-- rightwards double arrow,
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U+21D2 ISOtech -->
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<!-- Unicode does not say this is the 'implies' character but does not have
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another character with this function so ?
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rArr can be used for 'implies' as ISOtech suggests -->
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<!ENTITY dArr "⇓"> <!-- downwards double arrow, U+21D3 ISOamsa -->
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<!ENTITY hArr "⇔"> <!-- left right double arrow,
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U+21D4 ISOamsa -->
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<!-- Mathematical Operators -->
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<!ENTITY forall "∀"> <!-- for all, U+2200 ISOtech -->
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<!ENTITY part "∂"> <!-- partial differential, U+2202 ISOtech -->
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<!ENTITY exist "∃"> <!-- there exists, U+2203 ISOtech -->
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<!ENTITY empty "∅"> <!-- empty set = null set = diameter,
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U+2205 ISOamso -->
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<!ENTITY nabla "∇"> <!-- nabla = backward difference,
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U+2207 ISOtech -->
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<!ENTITY isin "∈"> <!-- element of, U+2208 ISOtech -->
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<!ENTITY notin "∉"> <!-- not an element of, U+2209 ISOtech -->
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<!ENTITY ni "∋"> <!-- contains as member, U+220B ISOtech -->
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<!-- should there be a more memorable name than 'ni'? -->
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<!ENTITY prod "∏"> <!-- n-ary product = product sign,
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U+220F ISOamsb -->
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<!-- prod is NOT the same character as U+03A0 'greek capital letter pi' though
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the same glyph might be used for both -->
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<!ENTITY sum "∑"> <!-- n-ary sumation, U+2211 ISOamsb -->
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<!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'
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though the same glyph might be used for both -->
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<!ENTITY minus "−"> <!-- minus sign, U+2212 ISOtech -->
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<!ENTITY lowast "∗"> <!-- asterisk operator, U+2217 ISOtech -->
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<!ENTITY radic "√"> <!-- square root = radical sign,
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U+221A ISOtech -->
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<!ENTITY prop "∝"> <!-- proportional to, U+221D ISOtech -->
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<!ENTITY infin "∞"> <!-- infinity, U+221E ISOtech -->
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<!ENTITY ang "∠"> <!-- angle, U+2220 ISOamso -->
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<!ENTITY and "∧"> <!-- logical and = wedge, U+2227 ISOtech -->
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<!ENTITY or "∨"> <!-- logical or = vee, U+2228 ISOtech -->
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<!ENTITY cap "∩"> <!-- intersection = cap, U+2229 ISOtech -->
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<!ENTITY cup "∪"> <!-- union = cup, U+222A ISOtech -->
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<!ENTITY int "∫"> <!-- integral, U+222B ISOtech -->
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<!ENTITY there4 "∴"> <!-- therefore, U+2234 ISOtech -->
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<!ENTITY sim "∼"> <!-- tilde operator = varies with = similar to,
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U+223C ISOtech -->
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<!-- tilde operator is NOT the same character as the tilde, U+007E,
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although the same glyph might be used to represent both -->
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<!ENTITY cong "≅"> <!-- approximately equal to, U+2245 ISOtech -->
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<!ENTITY asymp "≈"> <!-- almost equal to = asymptotic to,
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U+2248 ISOamsr -->
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<!ENTITY ne "≠"> <!-- not equal to, U+2260 ISOtech -->
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<!ENTITY equiv "≡"> <!-- identical to, U+2261 ISOtech -->
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<!ENTITY le "≤"> <!-- less-than or equal to, U+2264 ISOtech -->
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<!ENTITY ge "≥"> <!-- greater-than or equal to,
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U+2265 ISOtech -->
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<!ENTITY sub "⊂"> <!-- subset of, U+2282 ISOtech -->
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<!ENTITY sup "⊃"> <!-- superset of, U+2283 ISOtech -->
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<!-- note that nsup, 'not a superset of, U+2283' is not covered by the Symbol
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font encoding and is not included. Should it be, for symmetry?
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It is in ISOamsn -->
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<!ENTITY nsub "⊄"> <!-- not a subset of, U+2284 ISOamsn -->
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<!ENTITY sube "⊆"> <!-- subset of or equal to, U+2286 ISOtech -->
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<!ENTITY supe "⊇"> <!-- superset of or equal to,
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U+2287 ISOtech -->
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<!ENTITY oplus "⊕"> <!-- circled plus = direct sum,
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U+2295 ISOamsb -->
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<!ENTITY otimes "⊗"> <!-- circled times = vector product,
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U+2297 ISOamsb -->
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<!ENTITY perp "⊥"> <!-- up tack = orthogonal to = perpendicular,
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U+22A5 ISOtech -->
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<!ENTITY sdot "⋅"> <!-- dot operator, U+22C5 ISOamsb -->
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<!-- dot operator is NOT the same character as U+00B7 middle dot -->
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<!-- Miscellaneous Technical -->
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<!ENTITY lceil "⌈"> <!-- left ceiling = apl upstile,
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U+2308 ISOamsc -->
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<!ENTITY rceil "⌉"> <!-- right ceiling, U+2309 ISOamsc -->
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<!ENTITY lfloor "⌊"> <!-- left floor = apl downstile,
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U+230A ISOamsc -->
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<!ENTITY rfloor "⌋"> <!-- right floor, U+230B ISOamsc -->
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<!ENTITY lang "〈"> <!-- left-pointing angle bracket = bra,
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U+2329 ISOtech -->
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<!-- lang is NOT the same character as U+003C 'less than'
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or U+2039 'single left-pointing angle quotation mark' -->
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<!ENTITY rang "〉"> <!-- right-pointing angle bracket = ket,
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U+232A ISOtech -->
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<!-- rang is NOT the same character as U+003E 'greater than'
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or U+203A 'single right-pointing angle quotation mark' -->
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<!-- Geometric Shapes -->
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<!ENTITY loz "◊"> <!-- lozenge, U+25CA ISOpub -->
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<!-- Miscellaneous Symbols -->
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<!ENTITY spades "♠"> <!-- black spade suit, U+2660 ISOpub -->
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<!-- black here seems to mean filled as opposed to hollow -->
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<!ENTITY clubs "♣"> <!-- black club suit = shamrock,
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U+2663 ISOpub -->
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<!ENTITY hearts "♥"> <!-- black heart suit = valentine,
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U+2665 ISOpub -->
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<!ENTITY diams "♦"> <!-- black diamond suit, U+2666 ISOpub -->
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