no goals
ι : Type ?u.227494
ι' : Type ?u.227497
α : Type u_1
β : Type u_2
γ : Type ?u.227506
inst✝ : LinearOrderedField α
l : Filter β
f : β → α
r : α
hr : 0 < r
⊢ Tendsto (fun x => f x * r) l atBot ↔ Tendsto f l atBot
simpa only [mul_comm] using tendsto_const_mul_atBot_of_pos hr