Proposition 1

Tag 03P9, permanent. Cite it as [Bourbaki, Tag 03P9].

Theory of Sets, chapter II, § 1. Collectivizing relations

$x \subset x$ .

Obvious.

Bourbaki sets the proof directly after the statement, and the corpus does not separate them, so what is above is the statement and its proof together.

Cited by

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Cites

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