2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63226We explain our notion of a Nash geometric category, which allows an easy comparison between the following different axiomatic notions of geometric categories: o-minimal structures on the real field, analytic geometric categories and X-sets (as defined by van den Dries, Miller and Shiota).11 pages, no figuresAlgebraic GeometryLogic03C64, 14P10, 14P15, 32B20text