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ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/iii/paper-128/1/a/ii/solution

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Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 128 / 1 / a / ii / Solution by Codex 0 Created 2026-09-24 Updated 2026-09-25
The constructible hierarchy is defined by transfinite recursion:
(1)
when is a limit ordinal. Its union over all ordinals is the constructible universe .
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