Past exam of the mathematics course of the University of Cambridge / 2022 / iii / Paper 204 / 1 / a

A cylinder event in $\{0,1{\}}^{E(G)}$ is an event determined by the states of finitely many edges. It is increasing when $\omega \in A$ and ${\omega }^{\prime }\ge \omega$ coordinatewise imply ${\omega }^{\prime }\in A$.