"Knowledge and Its Limits presents a systematic new conception of knowledge as a fundamental kind of mental state sensitive to the knower's environment. It makes a major contribution to the debate between externalist ad internalist philosophies of mind, and breaks radically with the epistemological tradition of analysing knowledge in terms of true belief. The theory casts light on a wide variety of philosophical issues: the problem of scepticism, the nature of evidence, probability and assertion, the dispute between realism and anti-realism and the paradox of the surprise examination. Williamson relates the new conception to structural limits on knowledge which imply that what can be known never exhausts what is true. The arguments are illustrated by rigorous models based on epistemic logic and probability theory. The result is a new way of doing epistemology for the twenty-first century."--BOOK JACKET.

Why discovering the limits to science may be the most powerful discovery of allHow much can we know about the world? In this book, physicist Marcelo Gleiser traces our search for answers to the most fundamental questions of existence, the origin of the universe, the nature of reality, and the limits of knowledge. In so doing, he reaches a provocative conclusion: science, like religion, is fundamentally limited as a tool for understanding the world. As science and its philosophical interpretations advance, we face the unsettling recognition of how much we don't know. Gleiser shows that by aband.

How do we know what we "know"? How did we –as individuals and as a society – come to accept certain knowledge as fact? In Human Knowledge, Bertrand Russell questions the reliability of our assumptions on knowledge. This brilliant and controversial work investigates the relationship between ‘individual’ and ‘scientific’ knowledge. First published in 1948, this provocative work contributed significantly to an explosive intellectual discourse that continues to this day.

What does 'if' mean? Timothy Williamson presents a controversial new approach to understanding conditional thinking, which is central to human cognitive life. He argues that in using 'if' we rely on psychological heuristics, fast and frugal methods which can lead us to trust faulty data and prematurely reject simple theories.

Epistemology and inquiry -- Regulative epistemology in the seventeenth century -- How do epistemic principles guide? -- How to know our limits -- Disagreement and debunking -- Counterfactual interlocutors -- Unpossessed evidence -- Epistemic trespassing -- Novices and expert disagreement -- Self-defeat? -- The end of inquiry.

The realities of mankind's cognitive situation are such that our knowledge of the world's ways is bound to be imperfect. None the less, the theory of unknowability--agnoseology as some have called it--is a rather underdeveloped branch of philosophy. In this philosophically rich and groundbreaking work, Nicholas Rescher aims to remedy this. As the heart of the discussion is an examination of what Rescher identifies as the four prime reasons for the impracticability of cognitive access to certain facts about the world: developmental inpredictability, verificational surdity, ontological detail, and predicative vagrancy. Rescher provides a detailed and illuminating account of the role of each of these factors in limiting human knowledge, giving us an overall picture of the practical and theoretical limits to our capacity to know our world.

In this essay collection, leading physicists, philosophers, and historians attempt to fill the empty theoretical ground in the foundations of information and address the related question of the limits to our knowledge of the world. Over recent decades, our practical approach to information and its exploitation has radically outpaced our theoretical understanding - to such a degree that reflection on the foundations may seem futile. But it is exactly fields such as quantum information, which are shifting the boundaries of the physically possible, that make a foundational understanding of information increasingly important. One of the recurring themes of the book is the claim by Eddington and Wheeler that information involves interaction and putting agents or observers centre stage. Thus, physical reality, in their view, is shaped by the questions we choose to put to it and is built up from the information residing at its core. This is the root of Wheeler’s famous phrase “it from bit.” After reading the stimulating essays collected in this volume, readers will be in a good position to decide whether they agree with this view.