How far should our realism extend? For many years philosophers of mathematics and philosophers of ethics have worked independently to address the question of how best to understand the entities apparently referred to by mathematical and ethical talk. But the similarities between their endeavours are not often emphasised. This book provides that emphasis. In particular, it focuses on two types of argumentative strategies that have been deployed in both areas. The first--debunking arguments--aims to put pressure on realism by emphasising the seeming redundancy of mathematical or moral entities...

This book is for all students and scholars interested in the nature of human ethics and morality. The themed chapters introduce the history and text behind the naturalistic fallacy, its role in shaping twentieth-century theorising about ethics, and its ongoing use in attempts to understand the nature of normativity.