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Knights, Knaves, Truth, Truthfulness, Grounding, Tethering, Aboutness, and Paradox

Yablo, Stephen · 2017
PhilArchive · Papers · 2017
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philosophy
Knights always tell the truth; Knaves always lie. Knaves for familiar reasons cannot coherently describe themselves as liars. That would be like Epimenides the Cretan accusing all Cretans of lying. Knights do not *intuitively* run into the same problem. What could prevent a Knight from truly reporting that s/he always tells the truth? Standard theories of truth DO prevent this, however, for such a report is self-referentially ungrounded. Standard theories have a problem, then! We try to fix it.
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