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  1. No. 16715 · q-20261014-advance-20261102-r04-topological-boundary-0065

    Question 16715: A Set and Its Complement Have the Same Topological Boundary

    Second-context math/bilingual review

    Question: candidate; English: AI candidate; this page adds no mathematical or formal proof.

    MKO: Topological boundary Questionsqf-mod33-boundary-complement-invariancebatch-20261014-advance-20261102-r04-topological-boundary-foundations
    Open numbered derivation → Markdown JSON Original batch