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Jennifer Nagel's pocket guide to epistemology, the branch of philosophy that asks what knowledge is and how it differs from mere belief. It moves from the classic questions — justification, skepticism, the external world — to newer puzzles drawn from logic, linguistics and psychology, including whether internet sources can be trusted. It suits students starting philosophy and general readers who want a clear map of a dense field. Against longer textbooks it trades depth for breadth and readability, and against other Very Short Introductions it is one of the more argument-driven entries rather than a neutral survey.
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This book is an introduction to epistemology, the branch of philosophy that studies knowledge. It asks what knowledge is, how it differs from mere belief, and whether a claim must be justified to count as known. It also asks how we can know that the outer world is real and not a dream.
Author Jennifer Nagel explains how the major historical theories of knowledge took shape. She then shows how contemporary philosophers use ideas from logic, linguistics, and psychology to understand knowledge in new ways. Topics include relativism, the problem of scepticism, and the trustworthiness of internet sources. Everyday examples are used to explain the key issues and debates.
It is part of the Very Short Introductions series from Oxford University Press. The series offers pocket-sized books on a wide range of subjects.
