集合论的哲学断想江苏海洲师范学校陈新宁南京师范大学刘云章集合及其运算在中学教学里占有重要地位，但是，中学生所接触到的集合知识，均属“朴素集合论”的范畴．“朴素集合论”的理论基础是不严密的，其间有很多问题值得推敲．例如，课本里把“每一组对象的全体“称为... Philosophical Imagination of Set Theory Jiangsu Haizhou Normal School Chen Xinning Nanjing Normal University Liu Yunzhang The collection and its operation occupy an important position in the teaching of middle school. However, the collective knowledge that middle school students come into contact with is a category of “naive set theory.” The theoretical basis of “naive set theory” is not rigorous, during which there are many problems worth considering. For example, in the textbook, “the whole of each group of objects” is called ...