2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/70820A dimension allowing in particular to state necessary and sufficient conditions of the Morse-Sard Theorem for real valued functions is introduced.7 pagesGeometric TopologyClassical Analysis and ODEs28A35; 28A75; 28A12(Primary); 58C25; 58K05(Secondary)text