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1. The Baire category theorem - Aarhus Universitet

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Proof of the corollary<br />

Reminder ?: A subset E of S is dense when E ∩ U = ∅ for all open<br />

and non-empty subsets U.<br />

Examples: 1) Q is dense in R.<br />

Klaus Thomsen <strong>1.</strong> <strong>The</strong> <strong>Baire</strong> <strong>category</strong> <strong>theorem</strong>

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