| This is Wagner's great instantiation of Schopenhauer's world divided into noumenal reality and phenomenal appearance. |
| The ultimate stage of Hua-yen emphasizes harmonious coexistence of particularities without necessarily foregrounding their noumenal aspect. |
| Sensations, Kant holds, have a twofold origin, noumenal and mechanical. |
| The phenomenal is a mode of the noumenal, as heat is a mode of motion. |
| Comte was never willing to face the fact that the very existence of knowledge has a noumenal as well as a phenomenal side. |
| In his Critique of Pure Reason, Kant famously differentiated the noumenal, or ideal, realm from the phenomenal or lived world. |
