that the only simply connected, closed 3-dimensional manifold is a sphere

listen to the pronunciation of that the only simply connected, closed 3-dimensional manifold is a sphere
الإنجليزية - الإنجليزية

تعريف that the only simply connected, closed 3-dimensional manifold is a sphere في الإنجليزية الإنجليزية القاموس.

That the only simply connected, closed 3-dimensional manifold is a sphere.
Poincaré conjecture