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普遍是适用于一切情况的规律,而特殊则是这些规律中的具体例子.普遍寓于特殊之中,普遍成立必有特殊成立.数学中的定义、性质、公式、定理等均有普遍成立的范围.解题中,一些有效条件就隐含在问题的特殊性中,利用特殊性,抓住问题的结构特征,把握全局,往往能开辟解题途径.
Generally speaking, it is a law that applies to all situations, and speciality is a concrete example of these laws. It is generally found in special and universal establishment must be established in special terms. The definitions, properties, formulas, and theorems in mathematics are generally established. In the problem-solving, some effective conditions are implicit in the particularity of the problem. Using specificity, grasping the structural features of the problem and grasping the overall situation can often open up the solution to problems.