Why Are We Certain that We Exist?

Abstract

Descartes was certain that he was thinking and he was accordingly certain that he existed. Like Descartes, we seem to be more certain of our thoughts and our existence than of anything else. What is less clear is the reason why we are thus certain. Philosophers throughout history have provided different interpretations of the cogito, disagreeing both on the kind of thoughts it characterizes and on the reasons for its cogency. According to what we may call the empiricist interpretation of the cogito, I can only claim to be certain of having experiences, and this certainty, as well as that of my own existence, stems from their phenomenal and subjective character. According to rationalist interpretations, on the other hand, I am certain of having some self-reflexive propositional attitudes, and this certainty derives from their rational features. Psychiatric patients suffering from acute forms of depersonalization or of the Cotard syndrome often doubt that they think and exist, and might even believe that they don't. I argue that their study allows us to favor the empiricist interpretation of the cogito

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References found in this work

The Varieties of Reference.Gareth Evans - 1982 - Oxford: Oxford University Press.
The Principles of Psychology.William James - 1890 - London, England: Dover Publications.
Philosophical Explanations.Robert Nozick - 1981 - Harvard University Press.
Themes From Kaplan.Joseph Almog, John Perry & Howard Wettstein (eds.) - 1989 - Oxford University Press.

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Citations of this work

The Self Shows Up in Experience.Matt Duncan - 2019 - Review of Philosophy and Psychology 10 (2):299-318.
Subjectivity as Self-Acquaintance.Matt Duncan - 2018 - Journal of Consciousness Studies 25 (3-4):88-111.
Cotard Syndrome, Self-Awareness, and I-Concepts.Rocco J. Gennaro - 2020 - Philosophy and the Mind Sciences 1 (1):1-20.

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