题干

已知命题p:∀x1,x2∈R,(f(x2)﹣f(x1))(x2﹣x1)≥0,则¬p是(   )

A:∃x1,x2∈R,(f(x2)﹣f(x1))(x2﹣x1)≤0

B:∀x1,x2∈R,(f(x2)﹣f(x1))(x2﹣x1)≤0

C:∃x1,x2∈R,(f(x2)﹣f(x1))(x2﹣x1)<0

D:∀x1,x2∈R,(f(x2)﹣f(x1))(x2﹣x1)<0

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答案(点此获取答案解析)

C