Bourbaki

Corollary

Tag 0BSG, permanent. Cite it as [Bourbaki, Tag 0BSG].

General Topology, chapter IV, § 6. Continuous and semi-continuous real-valued functions

If a real-valued function defined on a non-empty quasi-compact space XX is continuous and finite on XX, then it is bounded in XX.

Bourbaki puts the proof directly after the statement, so what is above is the statement and its proof together.

Cited by

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Cites

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Transcribed from the printed volume. Not translated.