English
The inverse of conjugateEquiv with itself is the identity.
Русский
Обратное к conjugateEquiv в случае самого себя равно тождественному отображению.
LaTeX
$$$$ (conjugateEquiv adj1 adj1).symm (\\mathrm{id}) = \\mathrm{id} $$$$
Lean4
/-- A component of a transposed form of the inverse conjugation definition. -/
theorem unit_conjugateEquiv_symm (α : R₁ ⟶ R₂) (c : C) :
adj₁.unit.app _ ≫ α.app _ = adj₂.unit.app c ≫ R₂.map (((conjugateEquiv adj₁ adj₂).symm α).app _) :=
by
conv_lhs => rw [← (conjugateEquiv adj₁ adj₂).right_inv α]
exact (unit_conjugateEquiv adj₁ adj₂ ((conjugateEquiv adj₁ adj₂).symm α) c)