oneTangentSpaceIcc_def — Mathlib

English

The projection map from the Icc x y interval to the real line is ContMDiff when viewed as a map on tangent spaces.

Русский

Проекция из отрезка Icc x y в вещественную ось гладка в смысле ContMDiff.

LaTeX

$$$\ContMDiff (\text{modelWithCornersSelf Real Real}) 1 (\mathrm{Subtype.val} )$ on $Icc x y$$$

Lean4

theorem oneTangentSpaceIcc_def : eta_helper Eq✝ @oneTangentSpaceIcc.{} @(delta% @definition✝) :=
  by
  intros
  delta oneTangentSpaceIcc
  rw [show wrapped✝ = ⟨@definition✝.{}, rfl✝⟩ from Subtype.ext✝ wrapped✝.2.symm✝]
  rfl

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