English
The inverse of the index relabelling AlgEquiv is the index relabelling corresponding to the inverse equivalence: (reindexAlgEquiv R A e).symm = reindexAlgEquiv R A e.symm.
Русский
Обратная к перераспределению индексов по AlgEquiv равна перераспределению по обратному эквиваленту: (reindexAlgEquiv R A e).symm = reindexAlgEquiv R A e.symm.
LaTeX
$$$ (\mathrm{reindexAlgEquiv}\ R\ A\ e).symm = \mathrm{reindexAlgEquiv}\ R\ A\ e\mathrm{.symm} $$$
Lean4
@[simp]
theorem reindexAlgEquiv_symm (e : m ≃ n) : (reindexAlgEquiv R A e).symm = reindexAlgEquiv R A e.symm :=
rfl