For 10 points, name this concept central to epistemology.
The anti-luminosity argument was introduced in a book about this concept "and its limits" by Timothy Williamson, who argues that this concept is unanalyzable. One philosopher used deliberately bad arguments to show that Heraclitus's flux theory is entailed by a theory of this concept "as perception". "Fake barn cases" were introduced by Alvin Goldman as a counterexample to Goldman's causal theory of this concept, which was analyzed under four conditions in Robert Nozick's (*) "truth-tracking" theory of it. An example about Jones owning a Ford and Brown being in Barcelona, and Smith's belief that Jones has ten coins in his pocket, are invoked in a paper by Edmund Gettier contesting the definition in Plato's Theaetetus of this concept being "justified true belief". For 10 points, name this concept central to epistemology.
The anti-luminosity argument was introduced in a book about this concept "and its limits" by Timothy Williamson, who argues that this concept is unanalyzable.
knowledge [accept word forms such as knowing] &lt;Kothari&gt;