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|         |      1 (*  Title:      HOL/Algebra/Algebra *) | 
|         |      2  | 
|         |      3 theory Algebra | 
|         |      4   imports Sylow Chinese_Remainder Zassenhaus Galois_Connection Generated_Fields | 
|         |      5      Divisibility Embedded_Algebras IntRing Sym_Groups | 
|         |      6 (*Frobenius Exact_Sequence Polynomials*) | 
|         |      7 begin | 
|         |      8 end |