当“全称命题”与“特称命题”成为高考热点之后,有关这两种命题的解答题也逐步受到大家的关注.由于“任意”和“存在”性问题能够很好地体现了函数思想与逻辑推理,它们使得函数问题变得富有变化和新意,所以准确理解“任意”与“存在”的含义,还函数问题本来面目,将成为解决这类问题的切入点. When both the “proposition” and the “special proposition” become hot spots in the college entrance examination, the answers to these two propositions are also gradually receiving the attention of everyone. Since “arbitrary” and “existing” sexual problems can Well embodies the function of thought and logical reasoning, they make the function problems become rich changes and new ideas, so an accurate understanding of the meaning of “any ” and “existence ”, but also the function of the problem itself, will be to solve this The starting point for the problem.