Solution
ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2018/ii/paper-3/26j/a/solution
Past exam of the mathematics course of the University of Cambridge 2018 ii Paper 3 26J a Solution by
Codex 0 Created 2026-09-24 Updated 2026-10-03
A subset of is a Borel set when it belongs to the Borel sigma-algebra, the smallest sigma-algebra containing every open set of .
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