| 1 | Philosophy |
| 1(03) |
| 1(077) |
| 1(075) |
| 1(09) | History of philosophy |
| 1(….)(092) |
| 1(3) |
| 1(37) |
| 1(38) |
| 1[Aristotle] |
| 1[Democritus] |
| 1[Epicurus] |
| 1[Plato] |
| 1[Socrates] |
| 1(47) |
| 1(47.925) |
| 1(47.925)(09) |
| 1(4…) |
| 1(42) |
| 1(43) |
| 1(44) |
| 1(5…) |
| 1(51) |
| 1(52) |
| 1(53) |
| 1(54) |
| 1(55) |
| 1(6…) |
| 1(73) |
| 11 | Metaphysics |
| 111 | General metaphysics. Ontology |
| 113/119 | Cosmology. Philosophy of nature |
| 113 |
| 114 |
| 115 |
| 116 |
| 117 |
| 118 |
| 119 |
| 121 |
| 122 |
| 123 |
| 124 |
| 125 |
| 128/129 |
| 13 | Philosophy of mind and spirit. Metaphysics of spiritual life |
| 130.2 |
| 130.3 |
| 133 տես՝ 159.961 | The paranormal. The occult. Psi phenomena |
| 14 | Philosophical systems and points of view |
| 141 | Kinds of viewpoint |
| 141.12 | Ontological materialism |
| 141.13 | Metaphysical idealism |
| 141.32 |
| 141.33 տես՝ 248 |
| 141.45 |
| 141.8 |
| 159.9 |
| 159.9(075) |
| 159.9(077) |
| 159.9(09) |
| 159.9:0/9 |
| 159.9:2 |
| 159.9:316 |
| 159.9:32 |
| 159.9:331 |
| 159.9:34 |
| 159.9:355 |
| 159.9:37 |
| 159.9:4 |
| 159.9:51 |
| 159.9:61 |
| 159.9:62 |
| 159.9:7 |
| 159.9:796 |
| 159.9:8 |
| 159.91 |
| 159.92 |
| 159.922 |
| 159.922.1 |
| 159.922.4 |
| 159.922.6 |
| 159.922.7 |
| 159.923 |
| 159.923.2 |
| 159.923.3 |
| 159.923.4 |
| 159.924 |
| 159.925 |
| 159.929 |
| 159.93 |
| 159.938 |
| 159.94 |
| 159.942 |
| 159.943 |
| 159.947 |
| 159.95 |
| 159.952 |
| 159.953 |
| 159.954 |
| 159.955 |
| 159.956 |
| 159.96 |
| 159.961 |
| 159.962 |
| 159.963 |
| 159.964.2 |
| 159.97 |
| 16 |
| 161/162 |
| 164 |
| 165 |
| 167/168 |
| 17 |
| 171 |
| 172 |
| 173 |
| 174 |
| 176 |
| 177 |
| 18 |
| 18(075)/(077) |
| 18(09) |
| 18(3) |