The state of being incomprehensible; the philosophical idea that some things cannot be fully understood or known with certainty.
From Greek akataleptos (incomprehensible, from a- not + kataleptos seized/grasped). A philosophical term from ancient Greek skepticism.
Ancient Greek skeptics used acatalepsia to argue that humans can never be 100% certain about anything—a revolutionary idea that questioned whether knowledge itself was even possible!
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