Report - Answer Booklet No. セセセo⦅o⦅ャ⦅_@ RSM-08 · PDF file13. Prove that the set IR Q of irrational numbers is not open. セ\ゥFイイ。ゥtGャ^ヲ@ B1"'1'liR-Q セGャゥヲセ@

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