%%% list of external commands used by amsmath (not totally correct) \! \" \( \* \, \- \. \/ \: \; \= \Acute \AmS \AmSfont \And \AtBeginDocument \Bar \Big \Bigg \Biggr \Bigr \Breve \Check \DOTS \DOTSB \DOTSI \DOTSX \Ddot \DeclareFontEncoding \DeclareFontShape \DeclareMathAccent \DeclareMathDelimiter \DeclareMathOperator \DeclareMathSymbol \DeclareOption \DeclareRobustCommand \Dot \ExecuteOptions \GenericError \GenericInfo \GenericWarning \Grave \Hat \Leftarrow \Longleftarrow \Longleftrightarrow \Longrightarrow \MessageBreak \MultiIntegral \PackageError \PackageWarning \PackageWarningNoLine \PassOptionsToPackage \Pr \ProcessOptions \Relbar \RequirePackage \Rightarrow \Tilde \Umathaccent \Umathcar \Umathchar \Umathcharnumdef \Umathcode \Umathcodenum \Umathfractiondelsize \Vec \Vert \XeTeXcharclass \[ \] \above \abovedisplayskip \abovewithdelims \accentedsymbol \acute \addtocounter \advance \aftergroup \allowbreak \allowdisplaybreaks \alph \arabic \arccos \arcsin \arctan \arg \array 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