\startenvironment notation \define[1]\Fam{\mathcal{#1}} \define\lang{\mathcal{L}} \define\autom{\mathcal{A}} \define\bigO{\mathcal{O}} \define\pref{pref} % L* algorithms \define\LStar{{\tt L}$^{\ast}$} \define\NLStar{{\tt NL}$^{\ast}$} \define\nLStar{$\nu$\LStar} \define\nNLStar{$\nu$\NLStar} % Libraries \define\ONS{{\sc Ons}} \define\NLambda{{\sc N}$\lambda$} \define\LOIS{{\sc Lois}} % Maths \define\N{\naturalnumbers} \define\Q{\rationals} \define\EAlph{\mathbb{A}} \define\Perm{Perm} \define\id{id} \define\supp{{\tt supp}} \define\orb{{\tt orb}} % language extension \define\Lext{{\cdot}} \stopenvironment