Bourbaki

Remark

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

Theory of Sets, chapter IV, § 1. Structures and isomorphisms

When PP is a “q-tuple” (P1,…,Pq)(P_1,\ldots,P_q), it is also said that the terms P1,…,PqP_1,\ldots,P_q constitute a procedure of deduction of a structure of species Θ\Theta from a structure of species Σ\Sigma.

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.

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Cites

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Transcribed from the printed edition, 2004, Springer. Not translated.