This essay, the first in a philosophical trilogy, confronts the mysterium iniquitatis—the problem of evil—from an original logical and metaphysical perspective. It posits that the deep structure of human reasoning, from Aristotle to Frege, is fundamentally binary, operating through oppositions (true/false, A/not-A). The essay argues that this binary logic is not merely a mental construct but reveals an isomorphic structure in nature and the universe itself, where existence is characterized by a perpetual conflict for a vital resource termed enèrgheia.Within this framework, evil is systematically defined not as a moral abstraction but as the violent transfer of enèrgheia between beings, a process ranging from annihilation to injury. This transfer constitutes the fundamental dynamic of a universe seen as a harmonic, yet accursed, network of conflict. The analysis demonstrates how binary opposition necessarily culminates in a triadic structure: two Opposites in conflict, contained and interpreted by a third element, the Witness.Thus, the essay lays the ontological and logical groundwork for the "Triangle of Oppositions"—a hermeneutic model developed in the subsequent work. By tracing the binary from logic to cosmology, it provides a rigorous theoretical basis for understanding conflict, the mechanics of evil, and the triadic pattern that underpins reality, preparing the reader for the model's practical application across disciplines from quantum physics to history.