| 1 | the sequence, the nets and filters, and their family to teach the concepts of sup and inf |
| 2 | the sequence, the nets, and to teach the concepts of convergence in the family of filters |
| 3 | establishing a set of topological structure,the sequence,the nets concepts to explain and understand the inadequacy of |
| 4 | filters, filters comparison, the filter base, and the closing point of the limit of a filter is to teach the concepts of |
| 5 | to teach genetic and topological properties |
| 6 | to teach the concept of continuity and compactness |
| 7 | increase their knowledge and skills |
| 8 | To teach the contribution of sustainable features of these definitions and concepts given in topology to development |