English
From an order isomorphism e between two bounded lattices, construct an isomorphism of the corresponding bounded lattices.
Русский
По порядкoму изоморфизму e между двумя ограниченными решетками строится изоморфизм соответствующих ограниченных решеток.
LaTeX
$$def mk {α β : BddLat.{u}} (e : α ≃o β) : α ≅ β$$
Lean4
/-- Constructs an equivalence between bounded lattices from an order isomorphism
between them. -/
@[simps]
def mk {α β : BddLat.{u}} (e : α ≃o β) : α ≅ β where
hom := ofHom e
inv := ofHom e.symm
hom_inv_id := by ext; exact e.symm_apply_apply _
inv_hom_id := by ext; exact e.apply_symm_apply _