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<!ENTITY aleph	"&#x2135;"> <!-- ALEF SYMBOL -->

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<!ENTITY and	"&#x2227;"> <!--  -->

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<!ENTITY ang90	"&#x221F;"> <!-- RIGHT ANGLE -->

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<!ENTITY angsph	"&#x2222;"> <!--  -->

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<!ENTITY ap	"&#x2248;"> <!--  -->

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<!ENTITY becaus	"&#x2235;"> <!-- BECAUSE -->

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<!ENTITY bottom	"&#x22A5;"> <!--  -->

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<!ENTITY cap	"&#x2229;"> <!--  -->

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<!ENTITY cong	"&#x2245;"> <!--  -->

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<!ENTITY conint	"&#x222E;"> <!--  -->

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<!ENTITY cup	"&#x222A;"> <!--  -->

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<!ENTITY equiv	"&#x2261;"> <!--  -->

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<!ENTITY exist	"&#x2203;"> <!--  -->

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<!ENTITY forall	"&#x2200;"> <!--  -->

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<!ENTITY fnof	"&#x0192;"> <!-- LATIN SMALL LETTER F WITH HOOK -->

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<!ENTITY ge	"&#x2265;"> <!-- GREATER-THAN OR EQUAL TO -->

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<!ENTITY iff	"&#x21D4;"> <!-- LEFT RIGHT DOUBLE ARROW -->

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<!ENTITY infin	"&#x221E;"> <!--  -->

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<!ENTITY int	"&#x222B;"> <!--  -->

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<!ENTITY isin	"&#x220A;"> <!--  -->

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<!ENTITY lang	"&#x3008;"> <!--  -->

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<!ENTITY lArr	"&#x21D0;"> <!-- LEFTWARDS ARROW -->

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<!ENTITY le	"&#x2264;"> <!--  -->

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<!ENTITY minus	"&#x2212;"> <!-- MINUS SIGN -->

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<!ENTITY mnplus	"&#x2213;"> <!--  -->

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<!ENTITY nabla	"&#x2207;"> <!-- NABLA -->

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<!ENTITY ne	"&#x2260;"> <!--  -->

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<!ENTITY ni	"&#x220D;"> <!--  -->

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<!ENTITY or	"&#x2228;"> <!--  -->

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<!ENTITY par	"&#x2225;"> <!-- PARALLEL TO -->

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<!ENTITY part	"&#x2202;"> <!--  -->

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<!ENTITY permil	"&#x2030;"> <!-- PER MILLE SIGN -->

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<!ENTITY perp	"&#x22A5;"> <!--  -->

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<!ENTITY prime	"&#x2032;"> <!-- PRIME -->

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<!ENTITY Prime	"&#x2033;"> <!-- DOUBLE PRIME -->

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<!ENTITY prop	"&#x221D;"> <!--  -->

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<!ENTITY radic	"&#x221A;"> <!--  -->

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<!ENTITY rang	"&#x3009;"> <!--  -->

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<!ENTITY rArr	"&#x21D2;"> <!-- RIGHTWARDS ARROW -->

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<!ENTITY sim	"&#x223C;"> <!--  -->

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<!ENTITY sime	"&#x2243;"> <!--  -->

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<!ENTITY square	"&#x25A1;"> <!-- WHITE SQUARE -->

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<!ENTITY sub	"&#x2282;"> <!--  -->

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<!ENTITY sube	"&#x2286;"> <!--  -->

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<!ENTITY sup	"&#x2283;"> <!--  -->

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<!ENTITY supe	"&#x2287;"> <!--  -->

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<!ENTITY there4	"&#x2234;"> <!--  -->

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<!ENTITY Verbar	"&#x2016;"> <!-- DOUBLE VERTICAL LINE -->

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<!ENTITY angst	"&#x212B;"> <!-- ANGSTROM SIGN -->

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<!ENTITY bernou	"&#x212C;"> <!-- SCRIPT CAPITAL B -->

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<!ENTITY compfn	"&#x2218;"> <!-- RING OPERATOR -->

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<!ENTITY Dot	"&#x00A8;"> <!--  -->

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<!ENTITY DotDot	"&#x20DC;"> <!-- COMBINING FOUR DOTS ABOVE -->

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<!ENTITY hamilt	"&#x210B;"> <!-- SCRIPT CAPITAL H -->

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<!ENTITY lagran	"&#x2112;"> <!-- SCRIPT CAPITAL L -->

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<!ENTITY lowast	"&#x2217;"> <!-- ASTERISK OPERATOR -->

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<!ENTITY notin	"&#x2209;"> <!--  -->

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<!ENTITY order	"&#x2134;"> <!-- SCRIPT SMALL O -->

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<!ENTITY phmmat	"&#x2133;"> <!-- SCRIPT CAPITAL M -->

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<!ENTITY tdot	"&#x20DB;"> <!-- COMBINING THREE DOTS ABOVE -->

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<!ENTITY tprime	"&#x2034;"> <!-- TRIPLE PRIME -->

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<!ENTITY wedgeq	"&#x2259;"> <!-- ESTIMATES -->