2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153965We compare three notions of genericity of separable metric structures. Our analysis provides a general model theoretic technique of showing that structures are generic in descriptive set theoretic (topological) sense and in measure theoretic sense. In particular, it gives a new perspective on Vershik's theorems on genericity and randomness of Urysohn's space among separable metric spaces.LogicGeneral Topologytext