ι : Type ?u.22920
𝕜 : Type u_2
E : Type u_1
inst✝¹¹ : LinearOrderedRing 𝕜
inst✝¹⁰ : DenselyOrdered 𝕜
inst✝⁹ : PseudoMetricSpace 𝕜
inst✝⁸ : OrderTopology 𝕜
inst✝⁷ : ProperSpace 𝕜
inst✝⁶ : CompactIccSpace 𝕜
inst✝⁵ : AddCommGroup E
inst✝⁴ : TopologicalSpace E
inst✝³ : T2Space E
inst✝² : ContinuousAdd E
inst✝¹ : Module 𝕜 E
inst✝ : ContinuousSMul 𝕜 E
x y : E
⊢ closure ((fun θ => (1 - θ) • x + θ • y) '' Ioo 0 1) = (fun θ => (1 - θ) • x + θ • y) '' closure (Ioo 0 1)
ι : Type ?u.22920
𝕜 : Type u_2
E : Type u_1
inst✝¹¹ : LinearOrderedRing 𝕜
inst✝¹⁰ : DenselyOrdered 𝕜
inst✝⁹ : PseudoMetricSpace 𝕜
inst✝⁸ : OrderTopology 𝕜
inst✝⁷ : ProperSpace 𝕜
inst✝⁶ : CompactIccSpace 𝕜
inst✝⁵ : AddCommGroup E
inst✝⁴ : TopologicalSpace E
inst✝³ : T2Space E
inst✝² : ContinuousAdd E
inst✝¹ : Module 𝕜 E
inst✝ : ContinuousSMul 𝕜 E
x y : E
⊢ closure (openSegment 𝕜 x y) = [x-[𝕜]y]
rw [segment_eq_image, openSegment_eq_image, ← closure_Ioo (zero_ne_one' 𝕜)]
no goals
ι : Type ?u.22920
𝕜 : Type u_2
E : Type u_1
inst✝¹¹ : LinearOrderedRing 𝕜
inst✝¹⁰ : DenselyOrdered 𝕜
inst✝⁹ : PseudoMetricSpace 𝕜
inst✝⁸ : OrderTopology 𝕜
inst✝⁷ : ProperSpace 𝕜
inst✝⁶ : CompactIccSpace 𝕜
inst✝⁵ : AddCommGroup E
inst✝⁴ : TopologicalSpace E
inst✝³ : T2Space E
inst✝² : ContinuousAdd E
inst✝¹ : Module 𝕜 E
inst✝ : ContinuousSMul 𝕜 E
x y : E
⊢ closure ((fun θ => (1 - θ) • x + θ • y) '' Ioo 0 1) = (fun θ => (1 - θ) • x + θ • y) '' closure (Ioo 0 1)
exact
  (image_closure_of_isCompact (bounded_Ioo _ _).isCompact_closure <|
      Continuous.continuousOn <| by continuity).symm
no goals
ι : Type ?u.22920
𝕜 : Type u_2
E : Type u_1
inst✝¹¹ : LinearOrderedRing 𝕜
inst✝¹⁰ : DenselyOrdered 𝕜
inst✝⁹ : PseudoMetricSpace 𝕜
inst✝⁸ : OrderTopology 𝕜
inst✝⁷ : ProperSpace 𝕜
inst✝⁶ : CompactIccSpace 𝕜
inst✝⁵ : AddCommGroup E
inst✝⁴ : TopologicalSpace E
inst✝³ : T2Space E
inst✝² : ContinuousAdd E
inst✝¹ : Module 𝕜 E
inst✝ : ContinuousSMul 𝕜 E
x y : E
⊢ Continuous fun θ => (1 - θ) • x + θ • y
continuity