基金Supported partially by Scientific Research and Development Project of Higher Colleges of Shanxi Province(200713035)Supported by the Key Laboratory of Mathematics Mechanization(KLMM07013)
文摘In this note, we use an elementary method to prove the fact： if G is a nonabelian simple group, then 2 ∈ cdp（G）, where p is a prime and p 〉 2.
