To what extent are the subjects of our thoughts and talk real? This is the question of realism. In this book, Justin Clarke-Doane explores arguments for and against moral realism and mathematical realism, how they interact, and what they can tell us about areas of philosophical interest more generally. He argues that, contrary to widespread belief, our mathematical beliefs have no better claim to being self-evident or provable than our moral beliefs. Nor do our mathematical beliefs have better claim to being empirically justified than our moral beliefs. It is also incorrect that reflection on the genealogy of our moral beliefs establishes a lack of parity between the cases. In general, if one is a moral antirealist on the basis of epistemological considerations, then one ought to be a mathematical antirealist as well. And, yet, Clarke-Doane shows that moral realism and mathematical realism do not stand or fall together — and for a surprising reason. Moral questions, insofar as they are practical, are objective in a sense that mathematical questions are not, and the sense in which they are objective can only be explained by assuming practical anti-realism. One upshot of the discussion is that the concepts of realism and objectivity, which are widely identified, are actually in tension. Another is that the objective questions in the neighborhood of factual areas like logic, modality, grounding, and nature are practical questions too. Practical philosophy should, therefore, take center stage.

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This book consists of seven stand-alone accounts of individuals who operated as spies during the American Revolutionary War. They were not trained as covert agents, which meant they had to develop their skills and techniques on their own, often while in the midst of the enemy where discovery meant almost certain death for them, and suffering and hardship for their family and friends. Five of them spied for the American cause and two spied for the British. Not all were motivated by patriotism, and not all escaped capture, yet their often painfully gained experience benefited future operatives and operations. They all were daring, intelligent and resourceful, and each had an unusual personality. Their labors resulted in battlefield victories, thwarted enemy plots, and significantly changed the conduct of the war, yet in spite of their efforts and their riveting stories, they and their deeds have remained relatively unknown.