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某个命题与正整数有关,若当n=k(k∈N*)时该命题成立,那么可推得当n=k+1...
某个命题与正整数有关,若当n=k(k∈N*)时该命题成立,那么可推得当n=k+1时该命题也成立,现已知当n=4时该命题不成立,那么可推得( )
A.当n=5时,该命题不成立
B.当n=5时,该命题成立
C.当n=3时,该命题成立
D.当n=3时,该命题不成立
考点分析:
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