逻辑学是关于思维的科学。概念、判断、推理是思维的基本形式,三者的关系可简单的表示成:概念→判断→推理。引导学生运用概念,判断与推理的思维形式展开思维活动,是培养学生初步的逻辑思维能力的需要。一、建立正确的表象,形成概念概念是反映对象本质属性的思维形式。即对客观事物的本质属性进行抽象概括,舍弃事物非本质属性的过程。简单地说:概念的形成是一个“具体一抽象”的过程。因此,要给学生提供丰富的感性材料。例如:学习扇形的概念,学生往往从字义上理解为像 Logic is the science of thinking. Concept, judgment, reasoning is the basic form of thinking, the relationship between the three can be simply expressed as: Concept → Judgment → Reasoning. To guide students to use concepts, judgments and reasoning to expand thinking activities, is the need to develop students' initial logical thinking ability. First, to establish the correct appearance, the formation of conceptual concepts is to reflect the nature of the object's thinking form. That is, the abstract nature of the essential attributes of objective things, give up the process of non-essential attributes of things. Put simply: the formation of a concept is a “concrete and abstract” process. Therefore, to provide students with a wealth of sensuous materials. For example: Learn the concept of fan, students often understood literally as image