四、判断、推理能力的培养 判断就是对某个事物的性质、现象作出肯定或否定的论断。数学中的定义、定律、性质结论、法则、公式等都是判断。由一个或几个已知的判断,推出一个新的判断的思维形式叫推理。这里的已知判断叫前提,推出的新判断叫结论,推理有归纳、演绎、类比三种。归纳和演绎在思维过程中有着密切的联系,归纳离不开观察,比较直观,容易被小学 Fourth, to judge, reasoning ability to develop a judgment is the nature of a thing, the phenomenon of affirmative or negative conclusion. Mathematical definitions, laws, nature of conclusions, rules, formulas, etc. are judgments. Judged by one or several known judgments, a new form of judgment is called reasoning. The known judgment here is called the premise, and the new judgment released is called conclusion. There are three kinds of reasoning: induction, deduction and analogy. Induction and deduction in the thinking process has a close contact, induction can not be separated from observation, more intuitive, easy to be primary