English
An order isomorphism can be regarded as a complete lattice homomorphism.
Русский
Изоморфизм порядка может рассматриваться как гомоморфизм полной решетки.
LaTeX
$$$ \\text{OrderIso } \\alpha \\beta \\longrightarrow \\text{CompleteLatticeHom } \\alpha \\beta$$$
Lean4
/-- Reinterpret an order isomorphism as a morphism of complete lattices. -/
@[simps]
def toCompleteLatticeHom [CompleteLattice α] [CompleteLattice β] (f : OrderIso α β) : CompleteLatticeHom α β
where
toFun := f
map_sInf' := sInfHomClass.map_sInf f
map_sSup' := sSupHomClass.map_sSup f