<!-- (C) International Organization for Standardization 1986
Permission to copy in any form is granted for use with
conforming SGML systems and applications as defined in
ISO 8879, provided this notice is included in all copies.
-->
<!-- Character entity set. Typical invocation:
<!ENTITY % ISOtech PUBLIC
"ISO 8879:1986//ENTITIES General Technical//EN">
%ISOtech;
-->
<!ENTITY aleph SDATA "[aleph ]"--/aleph =aleph, Hebrew-->
<!ENTITY and SDATA "[and ]"--/wedge /land B: =logical and-->
<!ENTITY ang90 SDATA "[ang90 ]"--=right (90 degree) angle-->
<!ENTITY angsph SDATA "[angsph]"--/sphericalangle =angle-spherical-->
<!ENTITY ap SDATA "[ap ]"--/approx R: =approximate-->
<!ENTITY becaus SDATA "[becaus]"--/because R: =because-->
<!ENTITY bottom SDATA "[bottom]"--/bot B: =perpendicular-->
<!ENTITY cap SDATA "[cap ]"--/cap B: =intersection-->
<!ENTITY cong SDATA "[cong ]"--/cong R: =congruent with-->
<!ENTITY conint SDATA "[conint]"--/oint L: =contour integral operator-->
<!ENTITY cup SDATA "[cup ]"--/cup B: =union or logical sum-->
<!ENTITY equiv SDATA "[equiv ]"--/equiv R: =identical with-->
<!ENTITY exist SDATA "[exist ]"--/exists =at least one exists-->
<!ENTITY forall SDATA "[forall]"--/forall =for all-->
<!ENTITY fnof SDATA "[fnof ]"--=function of (italic small f)-->
<!ENTITY ge SDATA "[ge ]"--/geq /ge R: =greater-than-or-equal-->
<!ENTITY iff SDATA "[iff ]"--/iff =if and only if-->
<!ENTITY infin SDATA "[infin ]"--/infty =infinity-->
<!ENTITY int SDATA "[int ]"--/int L: =integral operator-->
<!ENTITY isin SDATA "[isin ]"--/in R: =set membership-->
<!ENTITY lang SDATA "[lang ]"--/langle O: =left angle bracket-->
<!ENTITY lArr SDATA "[lArr ]"--/Leftarrow A: =is implied by-->
<!ENTITY le SDATA "[le ]"--/leq /le R: =less-than-or-equal-->
<!ENTITY minus SDATA "[minus ]"--B: =minus sign-->
<!ENTITY mnplus SDATA "[mnplus]"--/mp B: =minus-or-plus sign-->
<!ENTITY nabla SDATA "[nabla ]"--/nabla =del, Hamilton operator-->
<!ENTITY ne SDATA "[ne ]"--/ne /neq R: =not equal-->
<!ENTITY ni SDATA "[ni ]"--/ni /owns R: =contains-->
<!ENTITY or SDATA "[or ]"--/vee /lor B: =logical or-->
<!ENTITY par SDATA "[par ]"--/parallel R: =parallel-->
<!ENTITY part SDATA "[part ]"--/partial =partial differential-->
<!ENTITY permil SDATA "[permil]"--=per thousand-->
<!ENTITY perp SDATA "[perp ]"--/perp R: =perpendicular-->
<!ENTITY prime SDATA "[prime ]"--/prime =prime or minute-->
<!ENTITY Prime SDATA "[Prime ]"--=double prime or second-->
<!ENTITY prop SDATA "[prop ]"--/propto R: =is proportional to-->
<!ENTITY radic SDATA "[radic ]"--/surd =radical-->
<!ENTITY rang SDATA "[rang ]"--/rangle C: =right angle bracket-->
<!ENTITY rArr SDATA "[rArr ]"--/Rightarrow A: =implies-->
<!ENTITY sim SDATA "[sim ]"--/sim R: =similar-->
<!ENTITY sime SDATA "[sime ]"--/simeq R: =similar, equals-->
<!ENTITY square SDATA "[square]"--/square B: =square-->
<!ENTITY sub SDATA "[sub ]"--/subset R: =subset or is implied by-->
<!ENTITY sube SDATA "[sube ]"--/subseteq R: =subset, equals-->
<!ENTITY sup SDATA "[sup ]"--/supset R: =superset or implies-->
<!ENTITY supe SDATA "[supe ]"--/supseteq R: =superset, equals-->
<!ENTITY there4 SDATA "[there4]"--/therefore R: =therefore-->
<!ENTITY Verbar SDATA "[Verbar]"--/Vert =dbl vertical bar-->
<!ENTITY angst SDATA "[angst ]"--Angstrom =capital A, ring-->
<!ENTITY bernou SDATA "[bernou]"--Bernoulli function (script capital B)-->
<!ENTITY compfn SDATA "[compfn]"--B: composite function (small circle)-->
<!ENTITY Dot SDATA "[Dot ]"--=dieresis or umlaut mark-->
<!ENTITY DotDot SDATA "[DotDot]"--four dots above-->
<!ENTITY hamilt SDATA "[hamilt]"--Hamiltonian (script capital H)-->
<!ENTITY lagran SDATA "[lagran]"--Lagrangian (script capital L)-->
<!ENTITY lowast SDATA "[lowast]"--low asterisk-->
<!ENTITY notin SDATA "[notin ]"--N: negated set membership-->
<!ENTITY order SDATA "[order ]"--order of (script small o)-->
<!ENTITY phmmat SDATA "[phmmat]"--physics M-matrix (script capital M)-->
<!ENTITY tdot SDATA "[tdot ]"--three dots above-->
<!ENTITY tprime SDATA "[tprime]"--triple prime-->
<!ENTITY wedgeq SDATA "[wedgeq]"--R: corresponds to (wedge, equals)-->