2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/104953Elementarily free groups are the finitely generated groups with the same elementary theory as free groups. We prove that elementarily free groups are subgroup separable, answering a question of Zlil Sela.33 pagesGroup TheoryGeometric Topology20F65 (20E26, 20E05)text