<!-- File symbol.ent produced by the XSL script characters.xsl from input data in unicode.xml. Please report any errors to David Carlisle via the public W3C list www-math@w3.org. The numeric character values assigned to each entity (should) match the Unicode assignments in Unicode 3.2. --> <!ENTITY alefsym "ℵ" ><!-- --> <!ENTITY Alpha "Α" ><!-- --> <!ENTITY alpha "α" ><!--greek small letter alpha --> <!ENTITY and "∧" ><!--logical and = wedge --> <!ENTITY ang "∠" ><!--angle --> <!ENTITY asymp "≈" ><!--almost equal to = asymptotic to --> <!ENTITY Beta "Β" ><!-- --> <!ENTITY beta "β" ><!--greek small letter beta --> <!ENTITY bull "•" ><!--bullet = black small circle --> <!ENTITY cap "∩" ><!--intersection = cap --> <!ENTITY Chi "Χ" ><!-- --> <!ENTITY chi "χ" ><!--greek small letter chi --> <!ENTITY clubs "♣" ><!--black club suit = shamrock --> <!ENTITY cong "≅" ><!--approximately equal to --> <!ENTITY crarr "↵" ><!-- --> <!ENTITY cup "∪" ><!--union = cup --> <!ENTITY dArr "⇓" ><!--downwards double arrow --> <!ENTITY darr "↓" ><!--downwards arrow --> <!ENTITY Delta "Δ" ><!--greek capital letter delta --> <!ENTITY delta "δ" ><!--greek small letter delta --> <!ENTITY diams "♦" ><!--black diamond suit --> <!ENTITY empty "∅" ><!--empty set = null set = diameter --> <!ENTITY Epsilon "Ε" ><!-- --> <!ENTITY epsilon "ε" ><!-- --> <!ENTITY equiv "≡" ><!--identical to --> <!ENTITY Eta "Η" ><!-- --> <!ENTITY eta "η" ><!--greek small letter eta --> <!ENTITY exist "∃" ><!--there exists --> <!ENTITY fnof "ƒ" ><!--latin small f with hook = function = florin --> <!ENTITY forall "∀" ><!--for all --> <!ENTITY frasl "⁄" ><!-- --> <!ENTITY Gamma "Γ" ><!--greek capital letter gamma --> <!ENTITY gamma "γ" ><!--greek small letter gamma --> <!ENTITY ge "≥" ><!--greater-than or equal to --> <!ENTITY hArr "⇔" ><!--left right double arrow --> <!ENTITY harr "↔" ><!--left right arrow --> <!ENTITY hearts "♥" ><!--black heart suit = valentine --> <!ENTITY hellip "…" ><!--horizontal ellipsis = three dot leader --> <!ENTITY image "ℑ" ><!--blackletter capital I = imaginary part --> <!ENTITY infin "∞" ><!--infinity --> <!ENTITY int "∫" ><!--integral --> <!ENTITY Iota "Ι" ><!-- --> <!ENTITY iota "ι" ><!--greek small letter iota --> <!ENTITY isin "∈" ><!--element of --> <!ENTITY Kappa "Κ" ><!-- --> <!ENTITY kappa "κ" ><!--greek small letter kappa --> <!ENTITY Lambda "Λ" ><!--greek capital letter lambda --> <!ENTITY lambda "λ" ><!--greek small letter lambda --> <!ENTITY lang "〈" ><!--left-pointing angle bracket = bra --> <!ENTITY lArr "⇐" ><!--leftwards double arrow --> <!ENTITY larr "←" ><!--leftwards arrow --> <!ENTITY lceil "⌈" ><!--left ceiling = apl upstile --> <!ENTITY le "≤" ><!--less-than or equal to --> <!ENTITY lfloor "⌊" ><!--left floor = apl downstile --> <!ENTITY lowast "∗" ><!--asterisk operator --> <!ENTITY loz "◊" ><!--lozenge --> <!ENTITY minus "−" ><!--minus sign --> <!ENTITY Mu "Μ" ><!-- --> <!ENTITY mu "μ" ><!--greek small letter mu --> <!ENTITY nabla "∇" ><!--nabla = backward difference --> <!ENTITY ne "≠" ><!--not equal to --> <!ENTITY ni "∋" ><!--contains as member --> <!ENTITY notin "∉" ><!--not an element of --> <!ENTITY nsub "⊄" ><!--not a subset of --> <!ENTITY Nu "Ν" ><!-- --> <!ENTITY nu "ν" ><!--greek small letter nu --> <!ENTITY oline "‾" ><!-- --> <!ENTITY Omega "Ω" ><!--greek capital letter omega --> <!ENTITY omega "ω" ><!--greek small letter omega --> <!ENTITY Omicron "Ο" ><!-- --> <!ENTITY omicron "ο" ><!--greek small letter omicron --> <!ENTITY oplus "⊕" ><!--circled plus = direct sum --> <!ENTITY or "∨" ><!--logical or = vee --> <!ENTITY otimes "⊗" ><!--circled times = vector product --> <!ENTITY part "∂" ><!--partial differential --> <!ENTITY perp "⊥" ><!--up tack = orthogonal to = perpendicular --> <!ENTITY Phi "Φ" ><!--greek capital letter phi --> <!ENTITY phi "ϕ" ><!--greek small letter phi --> <!ENTITY Pi "Π" ><!--greek capital letter pi --> <!ENTITY pi "π" ><!--greek small letter pi --> <!ENTITY piv "ϖ" ><!--greek pi symbol --> <!ENTITY Prime "″" ><!--double prime = seconds = inches --> <!ENTITY prime "′" ><!--prime = minutes = feet --> <!ENTITY prod "∏" ><!--n-ary product = product sign --> <!ENTITY prop "∝" ><!--proportional to --> <!ENTITY Psi "Ψ" ><!--greek capital letter psi --> <!ENTITY psi "ψ" ><!--greek small letter psi --> <!ENTITY radic "√" ><!--square root = radical sign --> <!ENTITY rang "〉" ><!--right-pointing angle bracket = ket --> <!ENTITY rArr "⇒" ><!--rightwards double arrow --> <!ENTITY rarr "→" ><!--rightwards arrow --> <!ENTITY rceil "⌉" ><!--right ceiling --> <!ENTITY real "ℜ" ><!--blackletter capital R = real part symbol --> <!ENTITY rfloor "⌋" ><!--right floor --> <!ENTITY Rho "Ρ" ><!-- --> <!ENTITY rho "ρ" ><!--greek small letter rho --> <!ENTITY sdot "⋅" ><!--dot operator --> <!ENTITY Sigma "Σ" ><!--greek capital letter sigma --> <!ENTITY sigma "σ" ><!--greek small letter sigma --> <!ENTITY sigmaf "ς" ><!-- --> <!ENTITY sim "∼" ><!--tilde operator = varies with = similar to --> <!ENTITY spades "♠" ><!--black spade suit --> <!ENTITY sub "⊂" ><!--subset of --> <!ENTITY sube "⊆" ><!--subset of or equal to --> <!ENTITY sum "∑" ><!--n-ary sumation --> <!ENTITY sup "⊃" ><!--superset of --> <!ENTITY supe "⊇" ><!--superset of or equal to --> <!ENTITY Tau "Τ" ><!-- --> <!ENTITY tau "τ" ><!--greek small letter tau --> <!ENTITY there4 "∴" ><!--therefore --> <!ENTITY Theta "Θ" ><!--greek capital letter theta --> <!ENTITY theta "θ" ><!--greek small letter theta --> <!ENTITY thetasym "ϑ" ><!--greek small letter theta symbol --> <!ENTITY trade "™" ><!--trade mark sign --> <!ENTITY uArr "⇑" ><!--upwards double arrow --> <!ENTITY uarr "↑" ><!--upwards arrow --> <!ENTITY upsih "ϒ" ><!--greek upsilon with hook symbol --> <!ENTITY Upsilon "Υ" ><!--greek capital letter upsilon --> <!ENTITY upsilon "υ" ><!-- --> <!ENTITY weierp "℘" ><!--script capital P = power set = Weierstrass p --> <!ENTITY Xi "Ξ" ><!--greek capital letter xi --> <!ENTITY xi "ξ" ><!--greek small letter xi --> <!ENTITY Zeta "Ζ" ><!-- --> <!ENTITY zeta "ζ" ><!--greek small letter zeta -->