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- <!-- Mathematical, Greek and Symbolic characters for HTML -->
-
- <!-- Character entity set. Typical invocation:
- <!ENTITY % HTMLsymbol PUBLIC
- "-//W3C//ENTITIES Symbolic//EN//HTML">
- %HTMLsymbol; -->
-
- <!-- 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 (ie, not in ISO 8879 list) do not clash with any
- existing ISO 8879 entity names. Unicode character numbers
- are given for each character, in hex, and are identical for
- Unicode 1.1 and Unicode 2.0. CDATA values are decimal conversions
- of the Unicode values. Names are Unicode 2.0 names.
- -->
-
- <!-- Latin Extended-B -->
- <!ENTITY fnof CDATA "ƒ" -- latin small f with hook, =function, =florin, U0192 ISOtech -->
-
- <!-- Greek -->
- <!ENTITY Alpha CDATA "Α" -- greek capital letter alpha, U0391 -->
- <!ENTITY Beta CDATA "Β" -- greek capital letter beta, U0392 -->
- <!ENTITY Gamma CDATA "Γ" -- greek capital letter gamma, U0393 ISOgrk3 -->
- <!ENTITY Delta CDATA "Δ" -- greek capital letter delta, U0394 ISOgrk3 -->
- <!ENTITY Epsilon CDATA "Ε" -- greek capital letter epsilon, U0395 -->
- <!ENTITY Zeta CDATA "Ζ" -- greek capital letter zeta, U0396 -->
- <!ENTITY Eta CDATA "Η" -- greek capital letter eta, U0397 -->
- <!ENTITY Theta CDATA "Θ" -- greek capital letter theta, U0398 ISOgrk3 -->
- <!ENTITY Iota CDATA "Ι" -- greek capital letter iota, U0399 -->
- <!ENTITY Kappa CDATA "Κ" -- greek capital letter kappa, U039A -->
- <!ENTITY Lambda CDATA "Λ" -- greek capital letter lambda, U039B ISOgrk3 -->
- <!ENTITY Mu CDATA "Μ" -- greek capital letter mu, U039C -->
- <!ENTITY Nu CDATA "Ν" -- greek capital letter nu, U039D -->
- <!ENTITY Xi CDATA "Ξ" -- greek capital letter xi, U039E ISOgrk3 -->
- <!ENTITY Omicron CDATA "Ο" -- greek capital letter omicron, U039F -->
- <!ENTITY Pi CDATA "Π" -- greek capital letter pi, U03A0 ISOgrk3 -->
- <!ENTITY Rho CDATA "Ρ" -- greek capital letter rho, U03A1 -->
- <!-- (there is no Sigmaf, and no U03A2 character either) -->
- <!ENTITY Sigma CDATA "Σ" -- greek capital letter sigma, U03A3 ISOgrk3 -->
- <!ENTITY Tau CDATA "Τ" -- greek capital letter tau, U03A4 -->
- <!ENTITY Upsilon CDATA "Υ" -- greek capital letter upsilon, U03A5 ISOgrk3 -->
- <!ENTITY Phi CDATA "Φ" -- greek capital letter phi, U03A6 ISOgrk3 -->
- <!ENTITY Chi CDATA "Χ" -- greek capital letter chi, U03A7 -->
- <!ENTITY Psi CDATA "Ψ" -- greek capital letter psi, U03A8 ISOgrk3 -->
- <!ENTITY Omega CDATA "Ω" -- greek capital letter omega, U03A9 ISOgrk3 -->
-
- <!ENTITY alpha CDATA "α" -- greek small letter alpha, U03B1 ISOgrk3 -->
- <!ENTITY beta CDATA "β" -- greek small letter beta, U03B2 ISOgrk3 -->
- <!ENTITY gamma CDATA "γ" -- greek small letter gamma, U03B3 ISOgrk3 -->
- <!ENTITY delta CDATA "δ" -- greek small letter delta, U03B4 ISOgrk3 -->
- <!ENTITY epsilon CDATA "ε" -- greek small letter epsilon, U03B5 ISOgrk3 -->
- <!ENTITY zeta CDATA "ζ" -- greek small letter zeta, U03B6 ISOgrk3 -->
- <!ENTITY eta CDATA "η" -- greek small letter eta, U03B7 ISOgrk3 -->
- <!ENTITY theta CDATA "θ" -- greek small letter theta, U03B8 ISOgrk3 -->
- <!ENTITY iota CDATA "ι" -- greek small letter iota, U03B9 ISOgrk3 -->
- <!ENTITY kappa CDATA "κ" -- greek small letter kappa, U03BA ISOgrk3 -->
- <!ENTITY lambda CDATA "λ" -- greek small letter lambda, U03BB ISOgrk3 -->
- <!ENTITY mu CDATA "μ" -- greek small letter mu, U03BC ISOgrk3 -->
- <!ENTITY nu CDATA "ν" -- greek small letter nu, U03BD ISOgrk3 -->
- <!ENTITY xi CDATA "ξ" -- greek small letter xi, U03BE ISOgrk3 -->
- <!ENTITY omicron CDATA "ο" -- greek small letter omicron, U03BF NEW -->
- <!ENTITY pi CDATA "π" -- greek small letter pi, U03C0 ISOgrk3 -->
- <!ENTITY rho CDATA "ρ" -- greek small letter rho, U03C1 ISOgrk3 -->
- <!ENTITY sigmaf CDATA "ς" -- greek small letter final sigma, U03C2 ISOgrk3 -->
- <!ENTITY sigma CDATA "σ" -- greek small letter sigma, U03C3 ISOgrk3 -->
- <!ENTITY tau CDATA "τ" -- greek small letter tau, U03C4 ISOgrk3 -->
- <!ENTITY upsilon CDATA "υ" -- greek small letter upsilon, U03C5 ISOgrk3 -->
- <!ENTITY phi CDATA "φ" -- greek small letter phi, U03C6 ISOgrk3 -->
- <!ENTITY chi CDATA "χ" -- greek small letter chi, U03C7 ISOgrk3 -->
- <!ENTITY psi CDATA "ψ" -- greek small letter psi, U03C8 ISOgrk3 -->
- <!ENTITY omega CDATA "ω" -- greek small letter omega, U03C9 ISOgrk3 -->
- <!ENTITY thetasym CDATA "ϑ" -- greek small letter theta symbol, U03D1 NEW -->
- <!ENTITY upsih CDATA "ϒ" -- greek upsilon with hook symbol, U03D2 NEW -->
- <!ENTITY piv CDATA "ϖ" -- greek pi symbol, U03D6 ISOgrk3 -->
-
- <!-- General Punctuation -->
- <!ENTITY bull CDATA "•" -- bullet, =black small circle, U2022 ISOpub -->
- <!-- bullet is NOT the same as bullet operator, U2219 -->
- <!ENTITY hellip CDATA "…" -- horizontal ellipsis, =three dot leader, U2026 ISOpub -->
- <!ENTITY prime CDATA "′" -- prime, =minutes, =feet, U2032 ISOtech -->
- <!ENTITY Prime CDATA "″" -- double prime, =seconds, =inches, U2033 ISOtech -->
- <!ENTITY oline CDATA "‾" -- overline, =spacing overscore, U203E NEW -->
- <!ENTITY frasl CDATA "⁄" -- fraction slash, U2044 NEW -->
-
- <!-- Letterlike Symbols -->
- <!ENTITY weierp CDATA "℘" -- script capital P, =power set, =Weierstrass p, U2118 ISOamso -->
- <!ENTITY image CDATA "ℑ" -- blackletter capital I, =imaginary part, U2111 ISOamso -->
- <!ENTITY real CDATA "ℜ" -- blackletter capital R, =real part symbol, U211C ISOamso -->
- <!ENTITY trade CDATA "™" -- trade mark sign, U2122 ISOnum -->
- <!ENTITY alefsym CDATA "ℵ" -- alef symbol, =first transfinite cardinal, U2135 NEW -->
- <!-- alef symbol is NOT the same as hebrew letter alef, U05D0 although the same glyph
- could be used to depict both characters -->
-
- <!-- Arrows -->
- <!ENTITY larr CDATA "←" -- leftwards arrow, U2190 ISOnum -->
- <!ENTITY uarr CDATA "↑" -- upwards arrow, U2191 ISOnum-->
- <!ENTITY rarr CDATA "→" -- rightwards arrow, U2192 ISOnum -->
- <!ENTITY darr CDATA "↓" -- downwards arrow, U2193 ISOnum -->
- <!ENTITY harr CDATA "↔" -- left right arrow, U2194 ISOamsa -->
- <!ENTITY crarr CDATA "↵" -- downwards arrow with corner leftwards, =carriage return, U21B5 NEW -->
- <!ENTITY lArr CDATA "⇐" -- leftwards double arrow, U21D0 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 CDATA "⇑" -- upwards double arrow, U21D1 ISOamsa -->
- <!ENTITY rArr CDATA "⇒" -- rightwards double arrow, U21D2 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 CDATA "⇓" -- downwards double arrow, U21D3 ISOamsa -->
- <!ENTITY hArr CDATA "⇔" -- left right double arrow, U21D4 ISOamsa -->
-
- <!-- Mathematical Operators -->
- <!ENTITY forall CDATA "∀" -- for all, U2200 ISOtech -->
- <!ENTITY part CDATA "∂" -- partial differential, U2202 ISOtech -->
- <!ENTITY exist CDATA "∃" -- there exists, U2203 ISOtech -->
- <!ENTITY empty CDATA "∅" -- empty set, =null set, =diameter, U2205 ISOamso -->
- <!ENTITY nabla CDATA "∇" -- nabla, =backward difference, U2207 ISOtech -->
- <!ENTITY isin CDATA "∈" -- element of, U2208 ISOtech -->
- <!ENTITY notin CDATA "∉" -- not an element of, U2209 ISOtech -->
- <!ENTITY ni CDATA "∋" -- contains as member, U220B ISOtech -->
- <!-- should there be a more memorable name than 'ni'? -->
- <!ENTITY prod CDATA "∏" -- n-ary product, =product sign, U220F ISOamsb -->
- <!-- prod is NOT the same character as U03A0 'greek capital letter pi' though the same
- glyph might be used for both -->
- <!ENTITY sum CDATA "∑" -- n-ary sumation, U2211 ISOamsb -->
- <!-- sum is NOT the same character as U03A3 'greek capital letter sigma' though the same
- glyph might be used for both -->
- <!ENTITY minus CDATA "−" -- minus sign, U2212 ISOtech -->
- <!ENTITY lowast CDATA "∗" -- asterisk operator, U2217 ISOtech -->
- <!ENTITY radic CDATA "√" -- square root, =radical sign, U221A ISOtech -->
- <!ENTITY prop CDATA "∝" -- proportional to, U221D ISOtech -->
- <!ENTITY infin CDATA "∞" -- infinity, U221E ISOtech -->
- <!ENTITY ang CDATA "∠" -- angle, U2220 ISOamso -->
- <!ENTITY and CDATA "⊥" -- logical and, =wedge, U2227 ISOtech -->
- <!ENTITY or CDATA "⊦" -- logical or, =vee, U2228 ISOtech -->
- <!ENTITY cap CDATA "∩" -- intersection, =cap, U2229 ISOtech -->
- <!ENTITY cup CDATA "∪" -- union, =cup, U222A ISOtech -->
- <!ENTITY int CDATA "∫" -- integral, U222B ISOtech -->
- <!ENTITY there4 CDATA "∴" -- therefore, U2234 ISOtech -->
- <!ENTITY sim CDATA "∼" -- tilde operator, =varies with, =similar to, U223C ISOtech -->
- <!-- tilde operator is NOT the same character as the tilde, U007E, although the same
- glyph might be used to represent both -->
- <!ENTITY cong CDATA "≅" -- approximately equal to, U2245 ISOtech -->
- <!ENTITY asymp CDATA "≈" -- almost equal to, =asymptotic to, U2248 ISOamsr -->
- <!ENTITY ne CDATA "≠" -- not equal to, U2260 ISOtech -->
- <!ENTITY equiv CDATA "≡" -- identical to, U2261 ISOtech -->
- <!ENTITY le CDATA "≤" -- less-than or equal to, U2264 ISOtech -->
- <!ENTITY ge CDATA "≥" -- greater-than or equal to, U2265 ISOtech -->
- <!ENTITY sub CDATA "⊂" -- subset of, U2282 ISOtech -->
- <!ENTITY sup CDATA "⊃" -- superset of, U2283 ISOtech -->
- <!-- note that nsup, 'not a superset of, U2283' is not covered by the Symbol font
- encoding and is not included. Should it be, for symmetry? It is in ISOamsn -->
- <!ENTITY nsub CDATA "⊄" -- not a subset of, U2284 ISOamsn -->
- <!ENTITY sube CDATA "⊆" -- subset of or equal to, U2286 ISOtech -->
- <!ENTITY supe CDATA "⊇" -- superset of or equal to, U2287 ISOtech -->
- <!ENTITY oplus CDATA "⊕" -- circled plus, =direct sum, U2295 ISOamsb -->
- <!ENTITY otimes CDATA "⊗" -- circled times, =vector product, U2297 ISOamsb -->
- <!ENTITY perp CDATA "⊥" -- up tack, =orthogonal to, =perpendicular, U22A5 ISOtech -->
- <!ENTITY sdot CDATA "⋅" -- dot operator, U22C5 ISOamsb -->
- <!-- dot operator is NOT the same character as U00B7 middle dot -->
-
- <!-- Miscellaneous Technical -->
- <!ENTITY lceil CDATA "⌈" -- left ceiling, =apl upstile, U2308, ISOamsc -->
- <!ENTITY rceil CDATA "⌉" -- right ceiling, U2309, ISOamsc -->
- <!ENTITY lfloor CDATA "⌊" -- left floor, =apl downstile, U230A, ISOamsc -->
- <!ENTITY rfloor CDATA "⌋" -- right floor, U230B, ISOamsc -->
- <!ENTITY lang CDATA "〈" -- left-pointing angle bracket, =bra, U2329 ISOtech -->
- <!-- lang is NOT the same character as U003C 'less than'
- or U2039 'single left-pointing angle quotation mark' -->
- <!ENTITY rang CDATA "〉" -- right-pointing angle bracket, =ket, U232A ISOtech -->
- <!-- rang is NOT the same character as U003E 'greater than'
- or U203A 'single right-pointing angle quotation mark' -->
-
- <!-- Geometric Shapes -->
- <!ENTITY loz CDATA "◊" -- lozenge, U25CA ISOpub -->
-
- <!-- Miscellaneous Symbols -->
- <!ENTITY spades CDATA "♠" -- black spade suit, U2660 ISOpub -->
- <!-- black here seems to mean filled as opposed to hollow -->
- <!ENTITY clubs CDATA "♣" -- black club suit, =shamrock, U2663 ISOpub -->
- <!ENTITY hearts CDATA "♥" -- black heart suit, =valentine, U2665 ISOpub -->
- <!ENTITY diams CDATA "♦" -- black diamond suit, U2666 ISOpub -->