`interp_fixedEndpoints`

proved

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module: IndisputableMonolith.Action.PathSpace
domain: Action
line: 151 · github
papers citing: none yet

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IndisputableMonolith.Action.PathSpace on GitHub at line 151.

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formal source

 148  intro t; simp [interp_apply]
 149
 150/-- Interpolation preserves shared endpoints. -/
 151lemma interp_fixedEndpoints {a b : ℝ} {γ₁ γ₂ : AdmissiblePath a b}
 152    (h : fixedEndpoints γ₁ γ₂) (s : ℝ) (hs : s ∈ Icc (0:ℝ) 1) :
 153    fixedEndpoints γ₁ (interp γ₁ γ₂ s hs) := by
 154  refine ⟨?_, ?_⟩
 155  · simp [interp_apply, h.1]; ring
 156  · simp [interp_apply, h.2]; ring
 157
 158/-! ## Status report -/
 159
 160/-- Status string for the path-space module. -/
 161def pathSpace_status : String :=
 162  "Action.PathSpace: AdmissiblePath, actionJ, interp, fixedEndpoints (0 sorry, 0 axiom)"
 163
 164end Action
 165end IndisputableMonolith

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