proper support for "isabelle update -D DIR": avoid accidental exclusion of select_dirs (amending e5dafe9e120f);
(* Title: HOL/Algebra/Algebra.thy *)
theory Algebra
imports Sylow Chinese_Remainder Zassenhaus Galois_Connection Generated_Fields Free_Abelian_Groups
Divisibility Embedded_Algebras IntRing Sym_Groups Exact_Sequence Polynomials Algebraic_Closure
Left_Coset SimpleGroups SndIsomorphismGrp
begin
end