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推理是思维的基本形式之一,是由一个或几个已知的判断推出新判断的过程。任何推理,都由两部分组成,一部分是推理所依据的已知判断,即前提;一部分是推出的新判断,即结论。在教学中让学生想一想,就是让学生在脑子中运用概念进行判断和推理。正确运用推理可以推出新知识,推出结论,是人们获得新知识的重要手段。因此,教给学生一些推理方法,培养学生推理能力是自然教学的一个重要任务。
Inference is one of the basic forms of thinking, a process by which new judgments are introduced by one or a few known judgments. Any inference, consists of two parts, one is based on reasoning known reasoning, that is, the premise; part of the new judgment is introduced, the conclusion. In teaching students to think about it, is to allow students to use concepts in the brain to judge and reasoning. Correct use of reasoning can be introduced new knowledge, the conclusion is that people access to new knowledge an important means. Therefore, to teach students some reasoning methods to cultivate students' reasoning ability is an important task of nature teaching.