Unity and universality in Schopenhauer's spherical cosmology

The purpose of this speech is to present the philosophical image of the sphere, used by Schopenhauer, as a privileged hermeneutic resource for the understanding of his metaphysics and cosmology. With this image, it is possible to articulate a set of logically contradictory conceptual oppositions, such as uno/multiple, universal/particular, whole/part, eternal/temporal, rest/movement, presented by the philosopher in the terms “will” and “representation”. Concretely, it is about understanding the difficult interaction between the micro and macrocosm of nature, as well as the relationship between the interiority of self-consciousness and the exterior and empirical one, in the individual. With recourse to the sphere, it becomes possible to understand, finally, the philosophical thesis that articulates, in terms of irreducible perspectives of the same world, the “metaphysical identity of the will” with the “plurality of its appearances”.