A substantially revised and expanded edition of David Wiggins' classic work Sameness and Substance.In this book, which revises and greatly expands his classic work Sameness and Substance (Blackwell, 1980), David Wiggins examines the logic of identity, the ideas of substance and change, essence, predication and sortal predication, personhood, and personal memory. A substantial new final chapter explores the question of personal identity, arguing that such identity is inseparable from normative requirements that flow from personal memory. This important book will appeal to a wide range of readers in metaphysics, philosophical logic, and analytic philosophy.In this book, which revises and greatly expands his classic work Sameness and Substance (Blackwell, 1980), David Wiggins examines the logic of identity, the ideas of substance and change, essence, predication and sortal predication, personhood, and personal memory. A substantial new final chapter explores the question of personal identity, arguing that such identity is inseparable from normative requirements that flow from personal memory. This important book will appeal to a wide range of readers in metaphysics, philosophical logic, and analytic philosophy.In this book, which revises and greatly expands his classic work Sameness and Substance (Blackwell, 1980), David Wiggins examines the logic of identity, the ideas of substance and change, essence, predication and mortal predication, personhood, and personal memory. This important book will appeal to a wide range of readers in metaphysics, philosophical logic, and analytic philosophy.1. The absoluteness of sameness; 2. Outline of a theory of individuation; 3. Sortal concepts: their characteristic activity or function or purpose; 4. Essentialism and conceptualism; 5. Conceptualism and realism; 6. Vagueness, determinacy and identity: a conceptualist proposal; 7. Personal identity. Sameness and Substance Renewed is...the mature reflections of an analytic philosopher lC#