文 [1 ]认为 :“若ｐ则ｑ”的否定是“若ｐ则非ｑ” .文 [2 ]也说 :“应该明确 ,命题的非只否定结论” .而文 [3 ]则运用这样的方法 ,作出了命题 :ｐ :可以被 5整除的整数 ,末位是 0 .非ｐ :可以被 5整除的整数 ,末位不是 0 .并以这一对命题同为假命题作为反例 ,对新教材非ｐ的 The article [1] holds that the negation of “if p is q” is “if p is not q”. The article [2] also states: “It should be clear that the proposition is not just a negation of the conclusion”. And [3] uses this The method, made the proposition: p: an integer that can be divisible by 5, the last bit is 0. Non-p: an integer that can be divisible by 5, the last bit is not 0. And use this pair of propositions with the false proposition as a counterexample. New teaching materials are not p