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小学数学教学中,使学生掌握数学概念,并在此基础上进行正确地判断,推理,是一项重要的教学任务。数学教师掌握必要的逻辑知识,是完成这个任务的重要条件之一。掌握了必要的逻辑知识,有助于深刻地理解教材、分析教材,正确地对小学生讲授数学知识,从而较好地达到教学目的。在这一讲里谈谈小学数学中常用的逻辑知识。形式逻辑是研究思维的形式及其规律的科学。形式逻辑包括概念,判断,推理,证明或反驳四个内容。前三
In primary school mathematics teaching, it is an important teaching task for students to grasp the concept of mathematics and make correct judgment and reasoning on this basis. Mathematics teachers to grasp the necessary logical knowledge is one of the important conditions for accomplishing this task. Grasps the necessary logical knowledge, helps to profoundly understand the teaching material, analyzes the teaching material, correctly to teach the elementary student mathematics knowledge, thus achieves the teaching goal well. In this talk, talk about logic commonly used in elementary mathematics. Formal logic is the science that studies the form and law of thinking. Formal logic includes concepts, judgments, reasoning, proving or refuting four elements. The first three