Boethius embraced Platonic metaphysics and the privative theory of evil in his final work

Evidence

This is followed by a great deal of purely Platonic metaphysics. Imperfection, we are told, is a lack, implying the existence of a perfect pattern. He adopted the privative theory of evil. — Bertrand Russell, History of Western Philosophy, 1461

Categorization

• XREF: XREF connects to the privative theory of evil developed by Augustine and Neoplatonists. — connects to: Boethius maintained a purely Platonic worldview despite his medieval reputation as a Christian Father — Bertrand Russell, History of Western Philosophy, 1459; Plato’s rational interpretation of love ignited a supra-rational enthusiasm. — Georg Simmel, on individuality and social forms_…, 585
• corroborated: 2 independent passages support this claim — Bertrand Russell, History of Western Philosophy, 1461