2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62143Let I be a sigma-ideal sigma-generated by a projective collection of closed sets. The forcing with I-positive Borel sets is proper and adds a single real r of an almost minimal degree: if s is a real in V[r] then s is Cohen generic over V or V[s]=V[r].Logic03E55text