<!-- iso-tech.ent (initially distributed with DocBook XML DTD V4.1.1beta1) -->

<!-- Derived from the corresponding ISO 8879 standard entity set
     and the Unicode character mappings provided by Sebastian Rahtz.
     With additional derivations from
     ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MISC/SGML.TXT -->

<!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;#x21D4;"> <!-- LEFT RIGHT DOUBLE ARROW -->
<!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;#x00A8;"> <!--  -->
<!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 -->