 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2019/ii/paper-1/4h/a/solution

Codex  0 Created 2026-09-24 Updated 2026-09-29

L

p

such that every

w \in L

with

∣ w ∣ \geq p

can be written

w = uvx yz

with

∣ vx y ∣ \leq p, ∣ v y ∣ > 0, u v^{i} x y^{i} z \in L for every i \geq 0.

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