Documentation

Mathlib.Topology.ContinuousMap.Lattice

Continuous maps as a lattice ordered group #

We now provide formulas for f ⊓ g and f ⊔ g, where f g : C(α, β), in terms of ContinuousMap.abs.

C(α, β)is a lattice ordered group

@[simp]
theorem ContinuousMap.coe_mabs {α : Type u_1} [TopologicalSpace α] {β : Type u_2} [TopologicalSpace β] [Group β] [TopologicalGroup β] [Lattice β] [TopologicalLattice β] (f : C(α, β)) :
(mabs f) = mabs f
@[simp]
theorem ContinuousMap.coe_abs {α : Type u_1} [TopologicalSpace α] {β : Type u_2} [TopologicalSpace β] [AddGroup β] [TopologicalAddGroup β] [Lattice β] [TopologicalLattice β] (f : C(α, β)) :
|f| = |f|
@[simp]
theorem ContinuousMap.mabs_apply {α : Type u_1} [TopologicalSpace α] {β : Type u_2} [TopologicalSpace β] [Group β] [TopologicalGroup β] [Lattice β] [TopologicalLattice β] (f : C(α, β)) (x : α) :
(mabs f) x = mabs (f x)
@[simp]
theorem ContinuousMap.abs_apply {α : Type u_1} [TopologicalSpace α] {β : Type u_2} [TopologicalSpace β] [AddGroup β] [TopologicalAddGroup β] [Lattice β] [TopologicalLattice β] (f : C(α, β)) (x : α) :
|f| x = |f x|