Front-cover -- Title-page -- Contents -- Acknowledgements -- Abbreviations -- PART ONE Introduction and Commentary -- The Twelfth Century Milieu and the Victorine School -- The Need for a Modern, English Translation of Richard of Saint Victor's De Trinitate -- The State of the Question: General Overview of the History of Trinitarian Thought -- Athanasius -- Augustine -- The Cappadocian Fathers -- Comparing Augustine and the Cappadocians -- The Development of Eastern and Western Trinitarian Thought -- Richard of Saint Victor: Faith, Reason, and the Analysis of the Problem of Knowledge in De Trinitate -- De Trinitate: De Deo Uno -- The Formal Structure of Richard's De Trinitate -- The Substantial Unity of God -- Argument from the Divine Attribute's Substantial Unity -- A Priori Argument from the Definition of God -- Argument from Power -- Argument from Divinity -- Argument from Immensity -- Other Arguments -- The Divine Attributes -- De Trinitate: De Deo Trino -- The Necessity of Plurality in Substantial Unity and the Concept of Caritas -- The Concept of Person -- The Necessity of a Trinity -- The Persons' Names -- Concluding Remarks -- PART TWO On the Trinity -- Prologue -- Synopsis of the Topics of the First Book -- Book One -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV -- Synopsis of the Topics of the Second Book -- Book Two -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV -- Synopsis of the Topics of the Third Book -- Book Three -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV.

Synopsis of the Topics of the Fourth Book -- Book Four -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV -- Synopsis of the Topics of the Fifth Book -- Book Five -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV -- Synopsis of the Topics of the Sixth Book -- Book Six -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- XXI -- XXII -- XXIII -- XXIV -- XXV -- Bibliography -- Back-cover.