Theorem
A spacecontaininga connected dense subspace is connected.
Proof
Letbea connected dense subspace ofsothat
Ifisa connected subset ofandthenisconnected.
Sinceisdense inandsinceisconnected, so is
Theorem
A spacecontaininga connected dense subspace is connected.
Proof
Letbea connected dense subspace ofsothat
Ifisa connected subset ofandthenisconnected.
Sinceisdense inandsinceisconnected, so is