α : Type u_1
β : Type u_2
inst✝⁵ : LinearOrder α
inst✝⁴ : ConditionallyCompleteLinearOrder β
inst✝³ : TopologicalSpace β
inst✝² : OrderTopology β
f : α → β
hf : Monotone f
x✝ y : α
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
x : α
⊢ ∀ᶠ (x_1 : α) in 𝓝[Iio x] x, f x_1 ∈ Iic (leftLim f x)
α : Type u_1
β : Type u_2
inst✝⁵ : LinearOrder α
inst✝⁴ : ConditionallyCompleteLinearOrder β
inst✝³ : TopologicalSpace β
inst✝² : OrderTopology β
f : α → β
hf : Monotone f
x✝ y : α
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
x : α
⊢ Tendsto f (𝓝[Iio x] x) (𝓝[Iic (leftLim f x)] leftLim f x)
apply tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within f (hf.tendsto_leftLim x)
no goals
α : Type u_1
β : Type u_2
inst✝⁵ : LinearOrder α
inst✝⁴ : ConditionallyCompleteLinearOrder β
inst✝³ : TopologicalSpace β
inst✝² : OrderTopology β
f : α → β
hf : Monotone f
x✝ y : α
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
x : α
⊢ ∀ᶠ (x_1 : α) in 𝓝[Iio x] x, f x_1 ∈ Iic (leftLim f x)
filter_upwards [@self_mem_nhdsWithin _ _ x (Iio x)] with y hy using hf.le_leftLim hy