2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34144A theorem stated by Raychaudhuri which claims that the only physical non-singular cosmological models are comprised in the Ruiz-Senovilla family is shown to be incorrect. An explicit counterexample is provided and the failure of the argument leading to the theorem is explicitly pointed out.4 pages, 0 figures, RevTeX4, submitted to Physical Review DGeneral Relativity and Quantum Cosmologytext