 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2024/ia/paper-4/2e/solution

Codex  0 Created 2026-09-23 Updated 2026-09-25

A relation on

S

is a subset of

S \times S

. An equivalence relation is reflexive, symmetric, and transitive. Its equivalence class at

x

[x] = {y \in S : x \sim y}

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