2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58984In this paper we prove that there does not exists any closed Pre-Lagrangian submanifolds in any closed contact manifolds by using the $J-$holomorphic curves and Gromov's nonlinear Fredholm alternative.Differential GeometryDynamical Systems35B40,35B45,35J60, 58F05, 58C10text