> a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 ;
> seq(a.i,i=0..10);
> whattype(");
Correction:
> L1:=[1,a,f(x)]; op(L1); convert(L1,set); op(2,L1); L1[2]; L1[1..2]
> L2:=[2,3,4,g(x)]; zip((x,y)->x+y,L1,L2); map(x -> x^2, L2);
> sort([1,4,2,3,7,8,9,2]); sort([b,u,q,t],lexorder);
> select(type,L1,function);
> op(S1);
> convert(S1,list); op(2,S1); S2:={a,2,3,4,g(x)}; S1 union S2;
> S1 intersect S2; S1 minus S2;