2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/169747The aim of this short note is to communicate a simple solution to the problem posed in [1] as Question 7.2.7: is it true that for every ccc $σ$-ideal I any I-positive Borel set contains modulo I an I-positive closed set?Logic03E15text