*Definition [#kc4914fa] -A topological space (X,τ) is said to be presober iff each [[irreducible]] closed set has at least one [[generic point]]. *Reference [#y9c60635] -M.L. Colasante and D. Van der Zypen, ''Minimal R_1, minimal regular and minimal presober topologies'', Revista Notas de Matemática, Vol.5(1),No. 275, 2009, pp.73-84