Аңдатпа
On generic structures preserving elementary equivalence and elementary embeddabilityWe consider criteria for elementary equivalence and elementary embeddability for generic structures.They use classical characterizations for the general case.The criterion for elementary equivalence is based on the well known Fraïssé-Taimanov-Ehrenfeucht overturning method.The criterion for elementary embeddability uses the known Tarski-Vaught test.