| 1 | sets, functions and function types | [1] p. 19-29 |
| 2 | sequence, limit and continuity | [1] p.76-92 |
| 3 | topological spaces sequences | [2] p. 193-197 |
| 4 | inadequate sequences, sequential continuity | [2] p. 198-202 |
| 5 | nets, the convergence of nets | [2] p. 203-206 |
| 6 | networks continuity | [2] p. 207-210 |
| 7 | filters | [2] p. 210-217 |
| 8 | filtering convergence | [2] p. |
| 9 | filter base | [2] p. 218-221 |
| 10 | filter base | [2] p. 222-226 |
| 11 | limit and the closing point of a filter | [2] p. 227-230 |
| 12 | limit and the closing point of a filter | [2] p. 231-233 |
| 13 | a function, according to the filter, and the closing point of the limit | [2] p. 233-237 |
| 14 | sustainability of these definitions and concepts | [2] p. |