<!-- iso-tech.ent produced by Norman Walsh for the XML version of DocBook -->

<!-- Derived from the corresponding ISO 8879 standard entity set
     and the Unicode character mappings provided by Sebastian Rahtz -->

<!-- NOTE: leading & escaped with &#38; so these characters work
           with SGML parsers like Arbortext and nsgmls -->

<!ENTITY aleph	"&#38;#x2135;"> <!-- ALEF SYMBOL -->
<!ENTITY and	"&#38;#x2227;"> <!--  -->
<!ENTITY ang90	"&#38;#x221F;"> <!-- RIGHT ANGLE -->
<!ENTITY angsph	"&#38;#x2222;"> <!--  -->
<!ENTITY ap	"&#38;#x2248;"> <!--  -->
<!ENTITY becaus	"&#38;#x2235;"> <!-- BECAUSE -->
<!ENTITY bottom	"&#38;#x22A5;"> <!--  -->
<!ENTITY cap	"&#38;#x2229;"> <!--  -->
<!ENTITY cong	"&#38;#x2245;"> <!--  -->
<!ENTITY conint	"&#38;#x222E;"> <!--  -->
<!ENTITY cup	"&#38;#x222A;"> <!--  -->
<!ENTITY equiv	"&#38;#x2261;"> <!--  -->
<!ENTITY exist	"&#38;#x2203;"> <!--  -->
<!ENTITY forall	"&#38;#x2200;"> <!--  -->
<!ENTITY fnof	"&#38;#x0192;"> <!-- LATIN SMALL LETTER F WITH HOOK -->
<!ENTITY ge	"&#38;#x2265;"> <!-- GREATER-THAN OR EQUAL TO -->
<!ENTITY iff	"&#38;#xE365;"> <!--  -->
<!ENTITY infin	"&#38;#x221E;"> <!--  -->
<!ENTITY int	"&#38;#x222B;"> <!--  -->
<!ENTITY isin	"&#38;#x220A;"> <!--  -->
<!ENTITY lang	"&#38;#x3008;"> <!--  -->
<!ENTITY lArr	"&#38;#x21D0;"> <!-- LEFTWARDS ARROW -->
<!ENTITY le	"&#38;#x2264;"> <!--  -->
<!ENTITY minus	"&#38;#x2212;"> <!-- MINUS SIGN -->
<!ENTITY mnplus	"&#38;#x2213;"> <!--  -->
<!ENTITY nabla	"&#38;#x2207;"> <!-- NABLA -->
<!ENTITY ne	"&#38;#x2260;"> <!--  -->
<!ENTITY ni	"&#38;#x220D;"> <!--  -->
<!ENTITY or	"&#38;#x2228;"> <!--  -->
<!ENTITY par	"&#38;#x2225;"> <!-- PARALLEL TO -->
<!ENTITY part	"&#38;#x2202;"> <!--  -->
<!ENTITY permil	"&#38;#x2030;"> <!-- PER MILLE SIGN -->
<!ENTITY perp	"&#38;#x22A5;"> <!--  -->
<!ENTITY prime	"&#38;#x2032;"> <!-- PRIME -->
<!ENTITY Prime	"&#38;#x2033;"> <!-- DOUBLE PRIME -->
<!ENTITY prop	"&#38;#x221D;"> <!--  -->
<!ENTITY radic	"&#38;#x221A;"> <!--  -->
<!ENTITY rang	"&#38;#x3009;"> <!--  -->
<!ENTITY rArr	"&#38;#x21D2;"> <!-- RIGHTWARDS ARROW -->
<!ENTITY sim	"&#38;#x223C;"> <!--  -->
<!ENTITY sime	"&#38;#x2243;"> <!--  -->
<!ENTITY square	"&#38;#x25A1;"> <!-- WHITE SQUARE -->
<!ENTITY sub	"&#38;#x2282;"> <!--  -->
<!ENTITY sube	"&#38;#x2286;"> <!--  -->
<!ENTITY sup	"&#38;#x2283;"> <!--  -->
<!ENTITY supe	"&#38;#x2287;"> <!--  -->
<!ENTITY there4	"&#38;#x2234;"> <!--  -->
<!ENTITY Verbar	"&#38;#x2016;"> <!-- DOUBLE VERTICAL LINE -->
<!ENTITY angst	"&#38;#x212B;"> <!-- ANGSTROM SIGN -->
<!ENTITY bernou	"&#38;#x212C;"> <!-- SCRIPT CAPITAL B -->
<!ENTITY compfn	"&#38;#x2218;"> <!-- RING OPERATOR -->
<!ENTITY Dot	"&#38;#x0308;"> <!--  -->
<!ENTITY DotDot	"&#38;#x20DC;"> <!-- COMBINING FOUR DOTS ABOVE -->
<!ENTITY hamilt	"&#38;#x210B;"> <!-- SCRIPT CAPITAL H -->
<!ENTITY lagran	"&#38;#x2112;"> <!-- SCRIPT CAPITAL L -->
<!ENTITY lowast	"&#38;#x2217;"> <!-- ASTERISK OPERATOR -->
<!ENTITY notin	"&#38;#x2209;"> <!--  -->
<!ENTITY order	"&#38;#x2134;"> <!-- SCRIPT SMALL O -->
<!ENTITY phmmat	"&#38;#x2133;"> <!-- SCRIPT CAPITAL M -->
<!ENTITY tdot	"&#38;#x20DB;"> <!-- COMBINING THREE DOTS ABOVE -->
<!ENTITY tprime	"&#38;#x2034;"> <!-- TRIPLE PRIME -->
<!ENTITY wedgeq	"&#38;#x2259;"> <!-- ESTIMATES -->