<!-- $XConsortium: helpchar.ent /main/2 1996/11/19 16:03:11 drk $ -->
<!-- Entities for Typographical Symbols -->
<!entity bullet             SDATA "[bull  ]"> <!-- ISOpub  -->
<!entity S                  SDATA "[sect  ]"> <!-- ISOnum  -->
<!entity P                  SDATA "[para  ]"> <!-- ISOnum  -->

<!-- Entities for Lower Case Greek Letters -->
<!entity alpha              SDATA "[alpha ]"> <!-- ISOgrk3 -->
<!entity beta               SDATA "[beta  ]"> <!-- ISOgrk3 -->
<!entity chi                SDATA "[chi   ]"> <!-- ISOgrk3 -->
<!entity delta              SDATA "[delta ]"> <!-- ISOgrk3 -->
<!entity varepsilon         SDATA "[epsiv ]"> <!-- ISOgrk3 -->
<!entity phi                SDATA "[phis  ]"> <!-- ISOgrk3 -->
<!entity varphi             SDATA "[phiv  ]"> <!-- ISOgrk3 -->
<!entity gamma              SDATA "[gamma ]"> <!-- ISOgrk3 -->
<!entity eta                SDATA "[eta   ]"> <!-- ISOgrk3 -->
<!entity iota               SDATA "[iota  ]"> <!-- ISOgrk3 -->
<!entity kappa              SDATA "[kappa ]"> <!-- ISOgrk3 -->
<!entity lambda             SDATA "[lambda]"> <!-- ISOgrk3 -->
<!entity mu                 SDATA "[mu    ]"> <!-- ISOgrk3 -->
<!entity nu                 SDATA "[nu    ]"> <!-- ISOgrk3 -->
<!entity pi                 SDATA "[pi    ]"> <!-- ISOgrk3 -->
<!entity varpi              SDATA "[piv   ]"> <!-- ISOgrk3 -->
<!entity theta              SDATA "[thetas]"> <!-- ISOgrk3 -->
<!entity vartheta           SDATA "[thetav]"> <!-- ISOgrk3 -->
<!entity rho                SDATA "[rho   ]"> <!-- ISOgrk3 -->
<!entity sigma              SDATA "[sigma ]"> <!-- ISOgrk3 -->
<!entity tau                SDATA "[tau   ]"> <!-- ISOgrk3 -->
<!entity upsilon            SDATA "[upsi  ]"> <!-- ISOgrk3 -->
<!entity omega              SDATA "[omega ]"> <!-- ISOgrk3 -->
<!entity xi                 SDATA "[xi    ]"> <!-- ISOgrk3 -->
<!entity psi                SDATA "[psi   ]"> <!-- ISOgrk3 -->
<!entity zeta               SDATA "[zeta  ]"> <!-- ISOgrk3 -->

<!-- Entities for Lower Case Greek Letters -->
<!entity Udelta             SDATA "[Delta ]"> <!-- ISOgrk3 -->
<!entity Uphi               SDATA "[Phi   ]"> <!-- ISOgrk3 -->
<!entity Ugamma             SDATA "[Gamma ]"> <!-- ISOgrk3 -->
<!entity Ulambda            SDATA "[Lambda]"> <!-- ISOgrk3 -->
<!entity Upi                SDATA "[Pi    ]"> <!-- ISOgrk3 -->
<!entity Utheta             SDATA "[Theta ]"> <!-- ISOgrk3 -->
<!entity Usigma             SDATA "[Sigma ]"> <!-- ISOgrk3 -->
<!entity Uupsilon           SDATA "[Upsi  ]"> <!-- ISOgrk3 -->
<!entity Uomega             SDATA "[Omega ]"> <!-- ISOgrk3 -->
<!entity Uxi                SDATA "[Xi    ]"> <!-- ISOgrk3 -->
<!entity Upsi               SDATA "[Psi   ]"> <!-- ISOgrk3 -->

<!-- Entities for Advanced Math Symbols -->
<!entity squared            SDATA "[sup2  ]"> <!-- ISOnum  -->
<!entity cubed              SDATA "[sub3  ]"> <!-- ISOnum  -->
<!entity one-fourth         SDATA "[frac14]"> <!-- ISOnum  -->
<!entity one-half           SDATA "[frac12]"> <!-- ISOnum  -->
<!entity three-fourths      SDATA "[frac34]"> <!-- ISOnum  -->
<!entity infty              SDATA "[infin ]"> <!-- ISOtech -->
<!entity equiv              SDATA "[equiv ]"> <!-- ISOtech -->
<!entity not-eq             SDATA "[ne    ]"> <!-- ISOtech -->
<!entity approx             SDATA "[ap    ]"> <!-- ISOtech -->
<!entity neg                SDATA "[not   ]"> <!-- ISOnum  -->
<!entity cap                SDATA "[cap   ]"> <!-- ISOtech -->
<!entity cup                SDATA "[cup   ]"> <!-- ISOtech -->
<!entity vee                SDATA "[or    ]"> <!-- ISOtech -->
<!entity wedge              SDATA "[and   ]"> <!-- ISOtech -->
<!entity in                 SDATA "[isin  ]"> <!-- ISOtech -->
<!entity subset             SDATA "[sub   ]"> <!-- ISOtech -->
<!entity subseteq           SDATA "[sube  ]"> <!-- ISOtech -->
<!entity supset             SDATA "[sup   ]"> <!-- ISOtech -->
<!entity supseteq           SDATA "[supe  ]"> <!-- ISOtech -->
<!entity forall             SDATA "[forall]"> <!-- ISOtech -->
<!entity exists             SDATA "[exist ]"> <!-- ISOtech -->
<!entity function           SDATA "[fnof  ]"> <!-- ISOtech -->
<!entity angle              SDATA "[ang   ]"> <!-- ISOamso -->
<!entity cong               SDATA "[cong  ]"> <!-- ISOtech -->
<!entity propto             SDATA "[prop  ]"> <!-- ISOtech -->
<!entity perp               SDATA "[perp  ]"> <!-- ISOtech -->
<!entity cdot               SDATA "[sdot  ]"> <!-- ISOamsb -->
<!entity oplus              SDATA "[oplus ]"> <!-- ISOamsb -->
<!entity otimes             SDATA "[otimes]"> <!-- ISOamsb -->
<!entity oslash             SDATA "[osol  ]"> <!-- ISOamsb -->
<!entity partial            SDATA "[part  ]"> <!-- ISOtech -->
<!entity sum                SDATA "[sum   ]"> <!-- ISOasmb -->
<!entity prod               SDATA "[prod  ]"> <!-- ISOasmb -->

<!-- Entities for Arrows -->
<!entity leftarrow          SDATA "[larr  ]"> <!-- ISOnum  -->
<!entity rightarrow         SDATA "[rarr  ]"> <!-- ISOnum  -->
<!entity uparrow            SDATA "[uarr  ]"> <!-- ISOnum  -->
<!entity downarrow          SDATA "[darr  ]"> <!-- ISOnum  -->
<!entity leftrightarrow     SDATA "[harr  ]"> <!-- ISOamsa -->
<!entity bigleftarrow       SDATA "[lArr  ]"> <!-- ISOtech -->
<!entity bigrightarrow      SDATA "[rArr  ]"> <!-- ISOtech -->
<!entity biguparrow         SDATA "[uArr  ]"> <!-- ISOamsa -->
<!entity bigdownarrow       SDATA "[dArr  ]"> <!-- ISOamsa -->
<!entity bigleftrightarrow  SDATA "[hArr  ]"> <!-- ISOamsa -->

<!-- Entities for Card Suites -->
<!entity diamondsuit        SDATA "[diams ]"> <!-- ISOpub  -->
<!entity heartsuit          SDATA "[hearts]"> <!-- ISOgrk3 -->
<!entity spadesuit          SDATA "[spades]"> <!-- ISOpub  -->
<!entity clubsuit           SDATA "[clubs ]"> <!-- ISOpub  -->

<!-- Entities for Miscellaneous Symbols -->
<!entity diamond            SDATA "[diam  ]"> <!-- ISOamsb -->
<!entity aleph              SDATA "[aleph ]"> <!-- ISOtech -->
<!entity nabla              SDATA "[nabla ]"> <!-- ISOtech -->
<!entity surd               SDATA "[radic ]"> <!-- ISOtech -->
<!entity wp                 SDATA "[weirp ]"> <!-- ISOamso -->
<!entity Re                 SDATA "[real  ]"> <!-- ISOamso -->
<!entity im                 SDATA "[image ]"> <!-- ISOamso -->

<!-- Undocumented Entities -->
<!entity tsigma             SDATA "[sfgr  ]"> <!-- ISOgrk1 -->
<!entity therefore          SDATA "[there4]"> <!-- ISOtech -->
<!entity cr                 SDATA "[dlarr ]"> <!-- ISOamsa -->
<!entity not-in             SDATA "[nexist]"> <!-- ISOamso -->
<!entity invert-exclamation SDATA "[iexcl ]"> <!-- ISOnum  -->
<!entity currency           SDATA "[curren]"> <!-- ISOnum  -->
<!entity yen                SDATA "[yen   ]"> <!-- ISOnum  -->
<!entity openanglequote     SDATA "[laquo ]"> <!-- ISOnum  -->
<!entity closeanglequote    SDATA "[raquo ]"> <!-- ISOnum  -->
<!entity invert-question    SDATA "[iquest]"> <!-- ISOnum  -->
<!entity overline           SDATA "[over  ]"> <!-- not ISO -->
