λR.λms:metric_space R.λs:sequence ms.λk.λn. δ (s n) k.
notation "s ⇝ x" non associative with precedence 50 for @{'tends $s $x}.
λR.λms:metric_space R.λs:sequence ms.λk.λn. δ (s n) k.
notation "s ⇝ x" non associative with precedence 50 for @{'tends $s $x}.