| 1 | on the concept of homotopy and homotopy theorems | [1] p. 81-83 |
| 2 | homotopy type | [1] p. 83-86 |
| 3 | curves, the main group and homotopy groups | [1] p. 86-101 |
| 4 | linear subspaces of Euclidean space | [1] p. 101-103 |
| 5 | simplex | [1] p. 103-105 |
| 6 | simplexcial complexes,touching, examples of triangulation and triangulation | [1] p. 105-113 |
| 7 | finite viviparous Abelian groups | [1] p. 113-120 |
| 8 | directing Simplexes | [1] p. |
| 9 | chains, Borders and cycle | [1] p. 120-122 |
| 10 | homology groups | [1] p. 122-126 |
| 11 | Betti numbers | [1] p. 126-127 |
| 12 | chains on an arbitrary Abelian group | [1] p. 127-130 |
| 13 | cohomology groups,calculation of homology groups | [1] p. 130-135 |
| 14 | sustainability of these definitions and concepts | [1] p. |