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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//EN//HTML"> |
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%HTMLsymbol; --> |
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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. CDATA 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 ISO 10646 names. |
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--> |
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<!-- Latin Extended-B --> |
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<!ENTITY fnof CDATA "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 CDATA "Α" -- greek capital letter alpha, U+0391 --> |
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<!ENTITY Beta CDATA "Β" -- greek capital letter beta, U+0392 --> |
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<!ENTITY Gamma CDATA "Γ" -- greek capital letter gamma, |
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U+0393 ISOgrk3 --> |
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<!ENTITY Delta CDATA "Δ" -- greek capital letter delta, |
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U+0394 ISOgrk3 --> |
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<!ENTITY Epsilon CDATA "Ε" -- greek capital letter epsilon, U+0395 --> |
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<!ENTITY Zeta CDATA "Ζ" -- greek capital letter zeta, U+0396 --> |
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<!ENTITY Eta CDATA "Η" -- greek capital letter eta, U+0397 --> |
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<!ENTITY Theta CDATA "Θ" -- greek capital letter theta, |
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U+0398 ISOgrk3 --> |
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<!ENTITY Iota CDATA "Ι" -- greek capital letter iota, U+0399 --> |
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<!ENTITY Kappa CDATA "Κ" -- greek capital letter kappa, U+039A --> |
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<!ENTITY Lambda CDATA "Λ" -- greek capital letter lambda, |
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U+039B ISOgrk3 --> |
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<!ENTITY Mu CDATA "Μ" -- greek capital letter mu, U+039C --> |
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<!ENTITY Nu CDATA "Ν" -- greek capital letter nu, U+039D --> |
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<!ENTITY Xi CDATA "Ξ" -- greek capital letter xi, U+039E ISOgrk3 --> |
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<!ENTITY Omicron CDATA "Ο" -- greek capital letter omicron, U+039F --> |
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<!ENTITY Pi CDATA "Π" -- greek capital letter pi, U+03A0 ISOgrk3 --> |
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<!ENTITY Rho CDATA "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 CDATA "Σ" -- greek capital letter sigma, |
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U+03A3 ISOgrk3 --> |
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<!ENTITY Tau CDATA "Τ" -- greek capital letter tau, U+03A4 --> |
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<!ENTITY Upsilon CDATA "Υ" -- greek capital letter upsilon, |
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U+03A5 ISOgrk3 --> |
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<!ENTITY Phi CDATA "Φ" -- greek capital letter phi, |
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U+03A6 ISOgrk3 --> |
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<!ENTITY Chi CDATA "Χ" -- greek capital letter chi, U+03A7 --> |
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<!ENTITY Psi CDATA "Ψ" -- greek capital letter psi, |
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U+03A8 ISOgrk3 --> |
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<!ENTITY Omega CDATA "Ω" -- greek capital letter omega, |
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U+03A9 ISOgrk3 --> |
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<!ENTITY alpha CDATA "α" -- greek small letter alpha, |
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U+03B1 ISOgrk3 --> |
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<!ENTITY beta CDATA "β" -- greek small letter beta, U+03B2 ISOgrk3 --> |
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<!ENTITY gamma CDATA "γ" -- greek small letter gamma, |
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U+03B3 ISOgrk3 --> |
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<!ENTITY delta CDATA "δ" -- greek small letter delta, |
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U+03B4 ISOgrk3 --> |
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<!ENTITY epsilon CDATA "ε" -- greek small letter epsilon, |
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U+03B5 ISOgrk3 --> |
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<!ENTITY zeta CDATA "ζ" -- greek small letter zeta, U+03B6 ISOgrk3 --> |
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<!ENTITY eta CDATA "η" -- greek small letter eta, U+03B7 ISOgrk3 --> |
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<!ENTITY theta CDATA "θ" -- greek small letter theta, |
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U+03B8 ISOgrk3 --> |
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<!ENTITY iota CDATA "ι" -- greek small letter iota, U+03B9 ISOgrk3 --> |
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<!ENTITY kappa CDATA "κ" -- greek small letter kappa, |
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U+03BA ISOgrk3 --> |
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<!ENTITY lambda CDATA "λ" -- greek small letter lambda, |
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U+03BB ISOgrk3 --> |
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<!ENTITY mu CDATA "μ" -- greek small letter mu, U+03BC ISOgrk3 --> |
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<!ENTITY nu CDATA "ν" -- greek small letter nu, U+03BD ISOgrk3 --> |
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<!ENTITY xi CDATA "ξ" -- greek small letter xi, U+03BE ISOgrk3 --> |
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<!ENTITY omicron CDATA "ο" -- greek small letter omicron, U+03BF NEW --> |
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<!ENTITY pi CDATA "π" -- greek small letter pi, U+03C0 ISOgrk3 --> |
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<!ENTITY rho CDATA "ρ" -- greek small letter rho, U+03C1 ISOgrk3 --> |
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<!ENTITY sigmaf CDATA "ς" -- greek small letter final sigma, |
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U+03C2 ISOgrk3 --> |
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<!ENTITY sigma CDATA "σ" -- greek small letter sigma, |
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U+03C3 ISOgrk3 --> |
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<!ENTITY tau CDATA "τ" -- greek small letter tau, U+03C4 ISOgrk3 --> |
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<!ENTITY upsilon CDATA "υ" -- greek small letter upsilon, |
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U+03C5 ISOgrk3 --> |
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<!ENTITY phi CDATA "φ" -- greek small letter phi, U+03C6 ISOgrk3 --> |
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<!ENTITY chi CDATA "χ" -- greek small letter chi, U+03C7 ISOgrk3 --> |
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<!ENTITY psi CDATA "ψ" -- greek small letter psi, U+03C8 ISOgrk3 --> |
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<!ENTITY omega CDATA "ω" -- greek small letter omega, |
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U+03C9 ISOgrk3 --> |
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<!ENTITY thetasym CDATA "ϑ" -- greek small letter theta symbol, |
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U+03D1 NEW --> |
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<!ENTITY upsih CDATA "ϒ" -- greek upsilon with hook symbol, |
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U+03D2 NEW --> |
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<!ENTITY piv CDATA "ϖ" -- greek pi symbol, U+03D6 ISOgrk3 --> |
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<!-- General Punctuation --> |
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<!ENTITY bull CDATA "•" -- 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 CDATA "…" -- horizontal ellipsis = three dot leader, |
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U+2026 ISOpub --> |
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<!ENTITY prime CDATA "′" -- prime = minutes = feet, U+2032 ISOtech --> |
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<!ENTITY Prime CDATA "″" -- double prime = seconds = inches, |
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U+2033 ISOtech --> |
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<!ENTITY oline CDATA "‾" -- overline = spacing overscore, |
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U+203E NEW --> |
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<!ENTITY frasl CDATA "⁄" -- fraction slash, U+2044 NEW --> |
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<!-- Letterlike Symbols --> |
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<!ENTITY weierp CDATA "℘" -- script capital P = power set |
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= Weierstrass p, U+2118 ISOamso --> |
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<!ENTITY image CDATA "ℑ" -- blackletter capital I = imaginary part, |
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U+2111 ISOamso --> |
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<!ENTITY real CDATA "ℜ" -- blackletter capital R = real part symbol, |
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U+211C ISOamso --> |
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<!ENTITY trade CDATA "™" -- trade mark sign, U+2122 ISOnum --> |
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<!ENTITY alefsym CDATA "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 CDATA "←" -- leftwards arrow, U+2190 ISOnum --> |
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<!ENTITY uarr CDATA "↑" -- upwards arrow, U+2191 ISOnum--> |
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<!ENTITY rarr CDATA "→" -- rightwards arrow, U+2192 ISOnum --> |
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<!ENTITY darr CDATA "↓" -- downwards arrow, U+2193 ISOnum --> |
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<!ENTITY harr CDATA "↔" -- left right arrow, U+2194 ISOamsa --> |
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<!ENTITY crarr CDATA "↵" -- downwards arrow with corner leftwards |
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= carriage return, U+21B5 NEW --> |
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<!ENTITY lArr CDATA "⇐" -- leftwards double arrow, U+21D0 ISOtech --> |
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<!-- ISO 10646 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 CDATA "⇑" -- upwards double arrow, U+21D1 ISOamsa --> |
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<!ENTITY rArr CDATA "⇒" -- rightwards double arrow, |
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U+21D2 ISOtech --> |
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<!-- ISO 10646 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 CDATA "⇓" -- downwards double arrow, U+21D3 ISOamsa --> |
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<!ENTITY hArr CDATA "⇔" -- left right double arrow, |
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U+21D4 ISOamsa --> |
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<!-- Mathematical Operators --> |
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<!ENTITY forall CDATA "∀" -- for all, U+2200 ISOtech --> |
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<!ENTITY part CDATA "∂" -- partial differential, U+2202 ISOtech --> |
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<!ENTITY exist CDATA "∃" -- there exists, U+2203 ISOtech --> |
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<!ENTITY empty CDATA "∅" -- empty set = null set = diameter, |
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U+2205 ISOamso --> |
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<!ENTITY nabla CDATA "∇" -- nabla = backward difference, |
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U+2207 ISOtech --> |
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<!ENTITY isin CDATA "∈" -- element of, U+2208 ISOtech --> |
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<!ENTITY notin CDATA "∉" -- not an element of, U+2209 ISOtech --> |
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<!ENTITY ni CDATA "∋" -- 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 CDATA "∏" -- 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 CDATA "∑" -- 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 CDATA "−" -- minus sign, U+2212 ISOtech --> |
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<!ENTITY lowast CDATA "∗" -- asterisk operator, U+2217 ISOtech --> |
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<!ENTITY radic CDATA "√" -- square root = radical sign, |
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U+221A ISOtech --> |
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<!ENTITY prop CDATA "∝" -- proportional to, U+221D ISOtech --> |
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<!ENTITY infin CDATA "∞" -- infinity, U+221E ISOtech --> |
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<!ENTITY ang CDATA "∠" -- angle, U+2220 ISOamso --> |
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<!ENTITY and CDATA "∧" -- logical and = wedge, U+2227 ISOtech --> |
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<!ENTITY or CDATA "∨" -- logical or = vee, U+2228 ISOtech --> |
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<!ENTITY cap CDATA "∩" -- intersection = cap, U+2229 ISOtech --> |
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<!ENTITY cup CDATA "∪" -- union = cup, U+222A ISOtech --> |
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<!ENTITY int CDATA "∫" -- integral, U+222B ISOtech --> |
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<!ENTITY there4 CDATA "∴" -- therefore, U+2234 ISOtech --> |
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<!ENTITY sim CDATA "∼" -- 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 CDATA "≅" -- approximately equal to, U+2245 ISOtech --> |
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<!ENTITY asymp CDATA "≈" -- almost equal to = asymptotic to, |
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U+2248 ISOamsr --> |
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<!ENTITY ne CDATA "≠" -- not equal to, U+2260 ISOtech --> |
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<!ENTITY equiv CDATA "≡" -- identical to, U+2261 ISOtech --> |
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<!ENTITY le CDATA "≤" -- less-than or equal to, U+2264 ISOtech --> |
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<!ENTITY ge CDATA "≥" -- greater-than or equal to, |
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U+2265 ISOtech --> |
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<!ENTITY sub CDATA "⊂" -- subset of, U+2282 ISOtech --> |
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<!ENTITY sup CDATA "⊃" -- 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 CDATA "⊄" -- not a subset of, U+2284 ISOamsn --> |
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<!ENTITY sube CDATA "⊆" -- subset of or equal to, U+2286 ISOtech --> |
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<!ENTITY supe CDATA "⊇" -- superset of or equal to, |
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U+2287 ISOtech --> |
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<!ENTITY oplus CDATA "⊕" -- circled plus = direct sum, |
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U+2295 ISOamsb --> |
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<!ENTITY otimes CDATA "⊗" -- circled times = vector product, |
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U+2297 ISOamsb --> |
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<!ENTITY perp CDATA "⊥" -- up tack = orthogonal to = perpendicular, |
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U+22A5 ISOtech --> |
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<!ENTITY sdot CDATA "⋅" -- 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 CDATA "⌈" -- left ceiling = apl upstile, |
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U+2308 ISOamsc --> |
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<!ENTITY rceil CDATA "⌉" -- right ceiling, U+2309 ISOamsc --> |
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<!ENTITY lfloor CDATA "⌊" -- left floor = apl downstile, |
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U+230A ISOamsc --> |
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<!ENTITY rfloor CDATA "⌋" -- right floor, U+230B ISOamsc --> |
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<!ENTITY lang CDATA "〈" -- 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 CDATA "〉" -- 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 CDATA "◊" -- lozenge, U+25CA ISOpub --> |
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<!-- Miscellaneous Symbols --> |
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<!ENTITY spades CDATA "♠" -- 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 CDATA "♣" -- black club suit = shamrock, |
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U+2663 ISOpub --> |
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<!ENTITY hearts CDATA "♥" -- black heart suit = valentine, |
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U+2665 ISOpub --> |
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<!ENTITY diams CDATA "♦" -- black diamond suit, U+2666 ISOpub --> |
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