A mysterious but trustworthy agent named “Laplace’s Demon” has recently appeared, and informed everyone that, to a first approximation, the world is currently in one of seven possible quantum states.
What is the word “quantum” doing there? Repeat with me: Quantum superpositions are not about epistemic uncertainty! Quantum superpositions are not about epistemic uncertainty! Quantum superpositions are not about epistemic uncertainty!
What is the word “quantum” doing there? Repeat with me: Quantum superpositions are not about epistemic uncertainty! Quantum superpositions are not about epistemic uncertainty! Quantum superpositions are not about epistemic uncertainty!