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Logos & Episteme

Volume 9, Issue 2, 2018

Michael J. Shaffer
Pages 215-219
DOI: 10.5840/logos-episteme20189216

Safety and the Preface Paradox

In the preface paradox the posited author is supposed to know both that every sentence in a book is true and that not every sentence in that book is true. But, this result is paradoxically contradictory. The paradoxicality exhibited in such cases arises chiefly out of the recognition that large-scale and difficult tasks like verifying the truth of large sets of sentences typically involve errors even given our best efforts to be epistemically diligent. This paper introduces an argument designed to resolve the preface paradox so understood by appeal to the safety condition on knowledge