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Riassunto In questa nota si introduce il concetto di estensione booleana in una struttura relazionale, facendo vedere che per questa via è possibile generalizzare in modo naturale le nozioni di potenza diretta, potenza ridotta e ultrapotenza di una struttura. Si estende inoltre alle ultraestensioni un teorema fondamentale sulle ultrapotenze.
ANNALI DELL'UNIVERSITA' DI FERRARA – Springer Journals
Published: Dec 1, 1969
Keywords: mathematics, general; analysis; geometry; history of mathematical sciences; numerical analysis; algebraic geometry
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