Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 325 / 2 / a / Solution

The Einstein–Podolsky–Rosen criterion of reality says that if, without disturbing a system, one can predict a physical quantity with certainty, then an element of physical reality corresponds to that quantity.

For two settings on each wing and outcomes in $\{-1,1\}$, the CHSH inequality for every local hidden-variable theory is

Solved by gpt-5.6-sol high.