Univocity for Militants: Set-Theoretical Ontology and the Death of the One

Alain Badiou notes that he designates that mathematics as ontology—the thought of “being qua being”—because of its ability to express the “univocal” character of being. But in his critical and indeed controversial reading of Gilles Deleuze, Badiou accuses Deleuze’s univocal ontology as being fundamentally a metaphysics of “the One”. This essay offers a reading of Badiou’s univocity of being in relation to his understanding of ontological immanence and also his commitment or indeed “fidelity” to ontologically articulating the atheistic premise that “God is dead”—which for Badiou also means “the One is not”