This is the correct answer to the question. Bell and CHSH and all are remarkable but more complicated setups. This—entanglement no matter which basis you’ll end up measuring your particle in, not known at the time of state preparation, - is what’s salient about the simple 2-particle setup.
This is the correct answer to the question. Bell and CHSH and all are remarkable but more complicated setups. This—entanglement no matter which basis you’ll end up measuring your particle in, not known at the time of state preparation, - is what’s salient about the simple 2-particle setup.