 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2025/ia/paper-3/2d/ii/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

False. A surjection

C_{n} \to C_{m}

exists exactly when

m

divides

n

; for example there is none from

C_{3}

C_{2}

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