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dual_id : (inf_hom.id α).dual = sup_hom.id _
rfl
lemma
inf_hom.dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom.id", "sup_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_comp (g : inf_hom β γ) (f : inf_hom α β) : (g.comp f).dual = g.dual.comp f.dual
rfl
lemma
inf_hom.dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_id : inf_hom.dual.symm (sup_hom.id _) = inf_hom.id α
rfl
lemma
inf_hom.symm_dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom.id", "sup_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_comp (g : sup_hom βᵒᵈ γᵒᵈ) (f : sup_hom αᵒᵈ βᵒᵈ) : inf_hom.dual.symm (g.comp f) = (inf_hom.dual.symm g).comp (inf_hom.dual.symm f)
rfl
lemma
inf_hom.symm_dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "sup_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual : sup_bot_hom α β ≃ inf_top_hom αᵒᵈ βᵒᵈ
{ to_fun := λ f, ⟨f.to_sup_hom.dual, f.map_bot'⟩, inv_fun := λ f, ⟨sup_hom.dual.symm f.to_inf_hom, f.map_top'⟩, left_inv := λ f, sup_bot_hom.ext $ λ _, rfl, right_inv := λ f, inf_top_hom.ext $ λ _, rfl }
def
sup_bot_hom.dual
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom", "inf_top_hom.ext", "inv_fun", "sup_bot_hom", "sup_bot_hom.ext" ]
Reinterpret a finitary supremum homomorphism as a finitary infimum homomorphism between the dual lattices.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_id : (sup_bot_hom.id α).dual = inf_top_hom.id _
rfl
lemma
sup_bot_hom.dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom.id", "sup_bot_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_comp (g : sup_bot_hom β γ) (f : sup_bot_hom α β) : (g.comp f).dual = g.dual.comp f.dual
rfl
lemma
sup_bot_hom.dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "sup_bot_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_id : sup_bot_hom.dual.symm (inf_top_hom.id _) = sup_bot_hom.id α
rfl
lemma
sup_bot_hom.symm_dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom.id", "sup_bot_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_comp (g : inf_top_hom βᵒᵈ γᵒᵈ) (f : inf_top_hom αᵒᵈ βᵒᵈ) : sup_bot_hom.dual.symm (g.comp f) = (sup_bot_hom.dual.symm g).comp (sup_bot_hom.dual.symm f)
rfl
lemma
sup_bot_hom.symm_dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual : inf_top_hom α β ≃ sup_bot_hom αᵒᵈ βᵒᵈ
{ to_fun := λ f, ⟨f.to_inf_hom.dual, f.map_top'⟩, inv_fun := λ f, ⟨inf_hom.dual.symm f.to_sup_hom, f.map_bot'⟩, left_inv := λ f, inf_top_hom.ext $ λ _, rfl, right_inv := λ f, sup_bot_hom.ext $ λ _, rfl }
def
inf_top_hom.dual
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom", "inf_top_hom.ext", "inv_fun", "sup_bot_hom", "sup_bot_hom.ext" ]
Reinterpret a finitary infimum homomorphism as a finitary supremum homomorphism between the dual lattices.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_id : (inf_top_hom.id α).dual = sup_bot_hom.id _
rfl
lemma
inf_top_hom.dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom.id", "sup_bot_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_comp (g : inf_top_hom β γ) (f : inf_top_hom α β) : (g.comp f).dual = g.dual.comp f.dual
rfl
lemma
inf_top_hom.dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_id : inf_top_hom.dual.symm (sup_bot_hom.id _) = inf_top_hom.id α
rfl
lemma
inf_top_hom.symm_dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_top_hom.id", "sup_bot_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_comp (g : sup_bot_hom βᵒᵈ γᵒᵈ) (f : sup_bot_hom αᵒᵈ βᵒᵈ) : inf_top_hom.dual.symm (g.comp f) = (inf_top_hom.dual.symm g).comp (inf_top_hom.dual.symm f)
rfl
lemma
inf_top_hom.symm_dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "sup_bot_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual : lattice_hom α β ≃ lattice_hom αᵒᵈ βᵒᵈ
{ to_fun := λ f, ⟨f.to_inf_hom.dual, f.map_sup'⟩, inv_fun := λ f, ⟨f.to_inf_hom.dual, f.map_sup'⟩, left_inv := λ f, ext $ λ a, rfl, right_inv := λ f, ext $ λ a, rfl }
def
lattice_hom.dual
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inv_fun", "lattice_hom" ]
Reinterpret a lattice homomorphism as a lattice homomorphism between the dual lattices.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_id : (lattice_hom.id α).dual = lattice_hom.id _
rfl
lemma
lattice_hom.dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_comp (g : lattice_hom β γ) (f : lattice_hom α β) : (g.comp f).dual = g.dual.comp f.dual
rfl
lemma
lattice_hom.dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_id : lattice_hom.dual.symm (lattice_hom.id _) = lattice_hom.id α
rfl
lemma
lattice_hom.symm_dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_comp (g : lattice_hom βᵒᵈ γᵒᵈ) (f : lattice_hom αᵒᵈ βᵒᵈ) : lattice_hom.dual.symm (g.comp f) = (lattice_hom.dual.symm g).comp (lattice_hom.dual.symm f)
rfl
lemma
lattice_hom.symm_dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual : bounded_lattice_hom α β ≃ bounded_lattice_hom αᵒᵈ βᵒᵈ
{ to_fun := λ f, ⟨f.to_lattice_hom.dual, f.map_bot', f.map_top'⟩, inv_fun := λ f, ⟨lattice_hom.dual.symm f.to_lattice_hom, f.map_bot', f.map_top'⟩, left_inv := λ f, ext $ λ a, rfl, right_inv := λ f, ext $ λ a, rfl }
def
bounded_lattice_hom.dual
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom", "inv_fun" ]
Reinterpret a bounded lattice homomorphism as a bounded lattice homomorphism between the dual bounded lattices.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_id : (bounded_lattice_hom.id α).dual = bounded_lattice_hom.id _
rfl
lemma
bounded_lattice_hom.dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dual_comp (g : bounded_lattice_hom β γ) (f : bounded_lattice_hom α β) : (g.comp f).dual = g.dual.comp f.dual
rfl
lemma
bounded_lattice_hom.dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_id : bounded_lattice_hom.dual.symm (bounded_lattice_hom.id _) = bounded_lattice_hom.id α
rfl
lemma
bounded_lattice_hom.symm_dual_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_dual_comp (g : bounded_lattice_hom βᵒᵈ γᵒᵈ) (f : bounded_lattice_hom αᵒᵈ βᵒᵈ) : bounded_lattice_hom.dual.symm (g.comp f) = (bounded_lattice_hom.dual.symm g).comp (bounded_lattice_hom.dual.symm f)
rfl
lemma
bounded_lattice_hom.symm_dual_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top (f : sup_hom α β) : sup_hom (with_top α) (with_top β)
{ to_fun := option.map f, map_sup' := λ a b, match a, b with | ⊤, ⊤ := rfl | ⊤, (b : α) := rfl | (a : α), ⊤ := rfl | (a : α), (b : α) := congr_arg _ (f.map_sup' _ _) end }
def
sup_hom.with_top
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "sup_hom", "with_top" ]
Adjoins a `⊤` to the domain and codomain of a `sup_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_id : (sup_hom.id α).with_top = sup_hom.id _
fun_like.coe_injective option.map_id
lemma
sup_hom.with_top_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "sup_hom.id", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_comp (f : sup_hom β γ) (g : sup_hom α β) : (f.comp g).with_top = f.with_top.comp g.with_top
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
sup_hom.with_top_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "option.map_comp_map", "sup_hom", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot (f : sup_hom α β) : sup_bot_hom (with_bot α) (with_bot β)
{ to_fun := option.map f, map_sup' := λ a b, match a, b with | ⊥, ⊥ := rfl | ⊥, (b : α) := rfl | (a : α), ⊥ := rfl | (a : α), (b : α) := congr_arg _ (f.map_sup' _ _) end, map_bot' := rfl }
def
sup_hom.with_bot
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "sup_bot_hom", "sup_hom", "with_bot" ]
Adjoins a `⊥` to the domain and codomain of a `sup_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_id : (sup_hom.id α).with_bot = sup_bot_hom.id _
fun_like.coe_injective option.map_id
lemma
sup_hom.with_bot_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "sup_bot_hom.id", "sup_hom.id", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_comp (f : sup_hom β γ) (g : sup_hom α β) : (f.comp g).with_bot = f.with_bot.comp g.with_bot
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
sup_hom.with_bot_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "option.map_comp_map", "sup_hom", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top' [order_top β] (f : sup_hom α β) : sup_hom (with_top α) β
{ to_fun := λ a, a.elim ⊤ f, map_sup' := λ a b, match a, b with | ⊤, ⊤ := top_sup_eq.symm | ⊤, (b : α) := top_sup_eq.symm | (a : α), ⊤ := sup_top_eq.symm | (a : α), (b : α) := f.map_sup' _ _ end }
def
sup_hom.with_top'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "order_top", "sup_hom", "with_top" ]
Adjoins a `⊤` to the codomain of a `sup_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot' [order_bot β] (f : sup_hom α β) : sup_bot_hom (with_bot α) β
{ to_fun := λ a, a.elim ⊥ f, map_sup' := λ a b, match a, b with | ⊥, ⊥ := bot_sup_eq.symm | ⊥, (b : α) := bot_sup_eq.symm | (a : α), ⊥ := sup_bot_eq.symm | (a : α), (b : α) := f.map_sup' _ _ end, map_bot' := rfl }
def
sup_hom.with_bot'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "order_bot", "sup_bot_hom", "sup_hom", "with_bot" ]
Adjoins a `⊥` to the domain of a `sup_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top (f : inf_hom α β) : inf_top_hom (with_top α) (with_top β)
{ to_fun := option.map f, map_inf' := λ a b, match a, b with | ⊤, ⊤ := rfl | ⊤, (b : α) := rfl | (a : α), ⊤ := rfl | (a : α), (b : α) := congr_arg _ (f.map_inf' _ _) end, map_top' := rfl }
def
inf_hom.with_top
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom", "inf_top_hom", "with_top" ]
Adjoins a `⊤` to the domain and codomain of an `inf_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_id : (inf_hom.id α).with_top = inf_top_hom.id _
fun_like.coe_injective option.map_id
lemma
inf_hom.with_top_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "inf_hom.id", "inf_top_hom.id", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_comp (f : inf_hom β γ) (g : inf_hom α β) : (f.comp g).with_top = f.with_top.comp g.with_top
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
inf_hom.with_top_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "inf_hom", "option.map_comp_map", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot (f : inf_hom α β) : inf_hom (with_bot α) (with_bot β)
{ to_fun := option.map f, map_inf' := λ a b, match a, b with | ⊥, ⊥ := rfl | ⊥, (b : α) := rfl | (a : α), ⊥ := rfl | (a : α), (b : α) := congr_arg _ (f.map_inf' _ _) end }
def
inf_hom.with_bot
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom", "with_bot" ]
Adjoins a `⊥ to the domain and codomain of an `inf_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_id : (inf_hom.id α).with_bot = inf_hom.id _
fun_like.coe_injective option.map_id
lemma
inf_hom.with_bot_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "inf_hom.id", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_comp (f : inf_hom β γ) (g : inf_hom α β) : (f.comp g).with_bot = f.with_bot.comp g.with_bot
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
inf_hom.with_bot_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "inf_hom", "option.map_comp_map", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top' [order_top β] (f : inf_hom α β) : inf_top_hom (with_top α) β
{ to_fun := λ a, a.elim ⊤ f, map_inf' := λ a b, match a, b with | ⊤, ⊤ := top_inf_eq.symm | ⊤, (b : α) := top_inf_eq.symm | (a : α), ⊤ := inf_top_eq.symm | (a : α), (b : α) := f.map_inf' _ _ end, map_top' := rfl }
def
inf_hom.with_top'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom", "inf_top_hom", "order_top", "with_top" ]
Adjoins a `⊤` to the codomain of an `inf_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot' [order_bot β] (f : inf_hom α β) : inf_hom (with_bot α) β
{ to_fun := λ a, a.elim ⊥ f, map_inf' := λ a b, match a, b with | ⊥, ⊥ := bot_inf_eq.symm | ⊥, (b : α) := bot_inf_eq.symm | (a : α), ⊥ := inf_bot_eq.symm | (a : α), (b : α) := f.map_inf' _ _ end }
def
inf_hom.with_bot'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "inf_hom", "order_bot", "with_bot" ]
Adjoins a `⊥` to the codomain of an `inf_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top (f : lattice_hom α β) : lattice_hom (with_top α) (with_top β)
{ to_sup_hom := f.to_sup_hom.with_top, ..f.to_inf_hom.with_top }
def
lattice_hom.with_top
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom", "with_top" ]
Adjoins a `⊤` to the domain and codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_id : (lattice_hom.id α).with_top = lattice_hom.id _
fun_like.coe_injective option.map_id
lemma
lattice_hom.with_top_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "lattice_hom.id", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_comp (f : lattice_hom β γ) (g : lattice_hom α β) : (f.comp g).with_top = f.with_top.comp g.with_top
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
lattice_hom.with_top_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "lattice_hom", "option.map_comp_map", "with_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot (f : lattice_hom α β) : lattice_hom (with_bot α) (with_bot β)
{ to_sup_hom := f.to_sup_hom.with_bot, ..f.to_inf_hom.with_bot }
def
lattice_hom.with_bot
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom", "with_bot" ]
Adjoins a `⊥` to the domain and codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_id : (lattice_hom.id α).with_bot = lattice_hom.id _
fun_like.coe_injective option.map_id
lemma
lattice_hom.with_bot_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "lattice_hom.id", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot_comp (f : lattice_hom β γ) (g : lattice_hom α β) : (f.comp g).with_bot = f.with_bot.comp g.with_bot
fun_like.coe_injective (option.map_comp_map _ _).symm
lemma
lattice_hom.with_bot_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "lattice_hom", "option.map_comp_map", "with_bot" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_with_bot (f : lattice_hom α β) : bounded_lattice_hom (with_top $ with_bot α) (with_top $ with_bot β)
⟨f.with_bot.with_top, rfl, rfl⟩
def
lattice_hom.with_top_with_bot
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom", "lattice_hom", "with_bot", "with_top" ]
Adjoins a `⊤` and `⊥` to the domain and codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_with_bot_id : (lattice_hom.id α).with_top_with_bot = bounded_lattice_hom.id _
fun_like.coe_injective $ begin refine (congr_arg option.map _).trans option.map_id, rw with_bot_id, refl, end
lemma
lattice_hom.with_top_with_bot_id
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom.id", "fun_like.coe_injective", "lattice_hom.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_with_bot_comp (f : lattice_hom β γ) (g : lattice_hom α β) : (f.comp g).with_top_with_bot = f.with_top_with_bot.comp g.with_top_with_bot
fun_like.coe_injective $ (congr_arg option.map $ (option.map_comp_map _ _).symm).trans (option.map_comp_map _ _).symm
lemma
lattice_hom.with_top_with_bot_comp
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "fun_like.coe_injective", "lattice_hom", "option.map_comp_map" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top' [order_top β] (f : lattice_hom α β) : lattice_hom (with_top α) β
{ ..f.to_sup_hom.with_top', ..f.to_inf_hom.with_top' }
def
lattice_hom.with_top'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom", "order_top", "with_top" ]
Adjoins a `⊥` to the codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_bot' [order_bot β] (f : lattice_hom α β) : lattice_hom (with_bot α) β
{ ..f.to_sup_hom.with_bot', ..f.to_inf_hom.with_bot' }
def
lattice_hom.with_bot'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "lattice_hom", "order_bot", "with_bot" ]
Adjoins a `⊥` to the domain and codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
with_top_with_bot' [bounded_order β] (f : lattice_hom α β) : bounded_lattice_hom (with_top $ with_bot α) β
{ to_lattice_hom := f.with_bot'.with_top', map_top' := rfl, map_bot' := rfl }
def
lattice_hom.with_top_with_bot'
order.hom
src/order/hom/lattice.lean
[ "order.hom.bounded", "order.symm_diff" ]
[ "bounded_lattice_hom", "bounded_order", "lattice_hom", "with_bot", "with_top" ]
Adjoins a `⊤` and `⊥` to the codomain of a `lattice_hom`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
Inf_apply [complete_lattice β] (s : set (α →o β)) (x : α) : Inf s x = ⨅ f ∈ s, (f : _) x
rfl
lemma
order_hom.Inf_apply
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "Inf_apply", "complete_lattice" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
infi_apply {ι : Sort*} [complete_lattice β] (f : ι → α →o β) (x : α) : (⨅ i, f i) x = ⨅ i, f i x
(Inf_apply _ _).trans infi_range
lemma
order_hom.infi_apply
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "Inf_apply", "complete_lattice", "infi_apply", "infi_range" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_infi {ι : Sort*} [complete_lattice β] (f : ι → α →o β) : ((⨅ i, f i : α →o β) : α → β) = ⨅ i, f i
funext $ λ x, (infi_apply f x).trans (@_root_.infi_apply _ _ _ _ (λ i, f i) _).symm
lemma
order_hom.coe_infi
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "complete_lattice", "infi_apply" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
Sup_apply [complete_lattice β] (s : set (α →o β)) (x : α) : Sup s x = ⨆ f ∈ s, (f : _) x
rfl
lemma
order_hom.Sup_apply
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "Sup_apply", "complete_lattice" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
supr_apply {ι : Sort*} [complete_lattice β] (f : ι → α →o β) (x : α) : (⨆ i, f i) x = ⨆ i, f i x
(Sup_apply _ _).trans supr_range
lemma
order_hom.supr_apply
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "Sup_apply", "complete_lattice", "supr_apply", "supr_range" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_supr {ι : Sort*} [complete_lattice β] (f : ι → α →o β) : ((⨆ i, f i : α →o β) : α → β) = ⨆ i, f i
funext $ λ x, (supr_apply f x).trans (@_root_.supr_apply _ _ _ _ (λ i, f i) _).symm
lemma
order_hom.coe_supr
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "complete_lattice", "supr_apply" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
iterate_sup_le_sup_iff {α : Type*} [semilattice_sup α] (f : α →o α) : (∀ n₁ n₂ a₁ a₂, f^[n₁ + n₂] (a₁ ⊔ a₂) ≤ (f^[n₁] a₁) ⊔ (f^[n₂] a₂)) ↔ (∀ a₁ a₂, f (a₁ ⊔ a₂) ≤ (f a₁) ⊔ a₂)
begin split; intros h, { exact h 1 0, }, { intros n₁ n₂ a₁ a₂, have h' : ∀ n a₁ a₂, f^[n] (a₁ ⊔ a₂) ≤ (f^[n] a₁) ⊔ a₂, { intros n, induction n with n ih; intros a₁ a₂, { refl, }, { calc f^[n + 1] (a₁ ⊔ a₂) = (f^[n] (f (a₁ ⊔ a₂))) : function.iterate_succ_apply f n _ ......
lemma
order_hom.iterate_sup_le_sup_iff
order.hom
src/order/hom/order.lean
[ "logic.function.iterate", "order.galois_connection", "order.hom.basic" ]
[ "function.iterate_add_apply", "function.iterate_succ_apply", "ih", "semilattice_sup", "sup_comm" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
range_eq (e : α ≃o β) : set.range e = set.univ
e.surjective.range_eq
lemma
order_iso.range_eq
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "set.range" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_image_image (e : α ≃o β) (s : set α) : e.symm '' (e '' s) = s
e.to_equiv.symm_image_image s
lemma
order_iso.symm_image_image
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
image_symm_image (e : α ≃o β) (s : set β) : e '' (e.symm '' s) = s
e.to_equiv.image_symm_image s
lemma
order_iso.image_symm_image
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
image_eq_preimage (e : α ≃o β) (s : set α) : e '' s = e.symm ⁻¹' s
e.to_equiv.image_eq_preimage s
lemma
order_iso.image_eq_preimage
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
preimage_symm_preimage (e : α ≃o β) (s : set α) : e ⁻¹' (e.symm ⁻¹' s) = s
e.to_equiv.preimage_symm_preimage s
lemma
order_iso.preimage_symm_preimage
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_preimage_preimage (e : α ≃o β) (s : set β) : e.symm ⁻¹' (e ⁻¹' s) = s
e.to_equiv.symm_preimage_preimage s
lemma
order_iso.symm_preimage_preimage
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
image_preimage (e : α ≃o β) (s : set β) : e '' (e ⁻¹' s) = s
e.to_equiv.image_preimage s
lemma
order_iso.image_preimage
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
preimage_image (e : α ≃o β) (s : set α) : e ⁻¹' (e '' s) = s
e.to_equiv.preimage_image s
lemma
order_iso.preimage_image
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
set_congr (s t : set α) (h : s = t) : s ≃o t
{ to_equiv := equiv.set_congr h, map_rel_iff' := λ x y, iff.rfl }
def
order_iso.set_congr
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "equiv.set_congr" ]
Order isomorphism between two equal sets.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
set.univ : (set.univ : set α) ≃o α
{ to_equiv := equiv.set.univ α, map_rel_iff' := λ x y, iff.rfl }
def
order_iso.set.univ
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "equiv.set.univ" ]
Order isomorphism between `univ : set α` and `α`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono_on.order_iso {α β} [linear_order α] [preorder β] (f : α → β) (s : set α) (hf : strict_mono_on f s) : s ≃o f '' s
{ to_equiv := hf.inj_on.bij_on_image.equiv _, map_rel_iff' := λ x y, hf.le_iff_le x.2 y.2 }
def
strict_mono_on.order_iso
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "strict_mono_on" ]
If a function `f` is strictly monotone on a set `s`, then it defines an order isomorphism between `s` and its image.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
order_iso : α ≃o set.range f
{ to_equiv := equiv.of_injective f h_mono.injective, map_rel_iff' := λ a b, h_mono.le_iff_le }
def
strict_mono.order_iso
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "equiv.of_injective", "order_iso", "set.range" ]
A strictly monotone function from a linear order is an order isomorphism between its domain and its range.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
order_iso_of_surjective : α ≃o β
(h_mono.order_iso f).trans $ (order_iso.set_congr _ _ h_surj.range_eq).trans order_iso.set.univ
def
strict_mono.order_iso_of_surjective
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "order_iso.set.univ", "order_iso.set_congr" ]
A strictly monotone surjective function from a linear order is an order isomorphism.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_order_iso_of_surjective : (order_iso_of_surjective f h_mono h_surj : α → β) = f
rfl
lemma
strict_mono.coe_order_iso_of_surjective
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
order_iso_of_surjective_symm_apply_self (a : α) : (order_iso_of_surjective f h_mono h_surj).symm (f a) = a
(order_iso_of_surjective f h_mono h_surj).symm_apply_apply _
lemma
strict_mono.order_iso_of_surjective_symm_apply_self
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
order_iso_of_surjective_self_symm_apply (b : β) : f ((order_iso_of_surjective f h_mono h_surj).symm b) = b
(order_iso_of_surjective f h_mono h_surj).apply_symm_apply _
lemma
strict_mono.order_iso_of_surjective_self_symm_apply
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
order_iso.compl : α ≃o αᵒᵈ
{ to_fun := order_dual.to_dual ∘ compl, inv_fun := compl ∘ order_dual.of_dual, left_inv := compl_compl, right_inv := compl_compl, map_rel_iff' := λ x y, compl_le_compl_iff_le }
def
order_iso.compl
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "compl_compl", "compl_le_compl_iff_le", "inv_fun", "order_dual.of_dual", "order_dual.to_dual" ]
Taking complements as an order isomorphism to the order dual.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
compl_strict_anti : strict_anti (compl : α → α)
(order_iso.compl α).strict_mono
theorem
compl_strict_anti
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "order_iso.compl", "strict_anti", "strict_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
compl_antitone : antitone (compl : α → α)
(order_iso.compl α).monotone
theorem
compl_antitone
order.hom
src/order/hom/set.lean
[ "order.hom.basic", "logic.equiv.set", "data.set.image" ]
[ "antitone", "monotone", "order_iso.compl" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone (f : α → β) : Prop
∀ ⦃a b⦄, a ≤ b → f a ≤ f b
def
monotone
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is monotone if `a ≤ b` implies `f a ≤ f b`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone (f : α → β) : Prop
∀ ⦃a b⦄, a ≤ b → f b ≤ f a
def
antitone
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is antitone if `a ≤ b` implies `f b ≤ f a`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone_on (f : α → β) (s : set α) : Prop
∀ ⦃a⦄ (ha : a ∈ s) ⦃b⦄ (hb : b ∈ s), a ≤ b → f a ≤ f b
def
monotone_on
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is monotone on `s` if, for all `a, b ∈ s`, `a ≤ b` implies `f a ≤ f b`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone_on (f : α → β) (s : set α) : Prop
∀ ⦃a⦄ (ha : a ∈ s) ⦃b⦄ (hb : b ∈ s), a ≤ b → f b ≤ f a
def
antitone_on
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is antitone on `s` if, for all `a, b ∈ s`, `a ≤ b` implies `f b ≤ f a`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono (f : α → β) : Prop
∀ ⦃a b⦄, a < b → f a < f b
def
strict_mono
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is strictly monotone if `a < b` implies `f a < f b`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_anti (f : α → β) : Prop
∀ ⦃a b⦄, a < b → f b < f a
def
strict_anti
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is strictly antitone if `a < b` implies `f b < f a`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono_on (f : α → β) (s : set α) : Prop
∀ ⦃a⦄ (ha : a ∈ s) ⦃b⦄ (hb : b ∈ s), a < b → f a < f b
def
strict_mono_on
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is strictly monotone on `s` if, for all `a, b ∈ s`, `a < b` implies `f a < f b`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_anti_on (f : α → β) (s : set α) : Prop
∀ ⦃a⦄ (ha : a ∈ s) ⦃b⦄ (hb : b ∈ s), a < b → f b < f a
def
strict_anti_on
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[]
A function `f` is strictly antitone on `s` if, for all `a, b ∈ s`, `a < b` implies `f b < f a`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone_comp_of_dual_iff : monotone (f ∘ of_dual) ↔ antitone f
forall_swap
lemma
monotone_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone", "forall_swap", "monotone" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone_comp_of_dual_iff : antitone (f ∘ of_dual) ↔ monotone f
forall_swap
lemma
antitone_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone", "forall_swap", "monotone" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone_to_dual_comp_iff : monotone (to_dual ∘ f) ↔ antitone f
iff.rfl
lemma
monotone_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone", "monotone" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone_to_dual_comp_iff : antitone (to_dual ∘ f) ↔ monotone f
iff.rfl
lemma
antitone_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone", "monotone" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone_on_comp_of_dual_iff : monotone_on (f ∘ of_dual) s ↔ antitone_on f s
forall₂_swap
lemma
monotone_on_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone_on", "forall₂_swap", "monotone_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone_on_comp_of_dual_iff : antitone_on (f ∘ of_dual) s ↔ monotone_on f s
forall₂_swap
lemma
antitone_on_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone_on", "forall₂_swap", "monotone_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
monotone_on_to_dual_comp_iff : monotone_on (to_dual ∘ f) s ↔ antitone_on f s
iff.rfl
lemma
monotone_on_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone_on", "monotone_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
antitone_on_to_dual_comp_iff : antitone_on (to_dual ∘ f) s ↔ monotone_on f s
iff.rfl
lemma
antitone_on_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "antitone_on", "monotone_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono_comp_of_dual_iff : strict_mono (f ∘ of_dual) ↔ strict_anti f
forall_swap
lemma
strict_mono_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "forall_swap", "strict_anti", "strict_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_anti_comp_of_dual_iff : strict_anti (f ∘ of_dual) ↔ strict_mono f
forall_swap
lemma
strict_anti_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "forall_swap", "strict_anti", "strict_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono_to_dual_comp_iff : strict_mono (to_dual ∘ f) ↔ strict_anti f
iff.rfl
lemma
strict_mono_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "strict_anti", "strict_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_anti_to_dual_comp_iff : strict_anti (to_dual ∘ f) ↔ strict_mono f
iff.rfl
lemma
strict_anti_to_dual_comp_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "strict_anti", "strict_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_mono_on_comp_of_dual_iff : strict_mono_on (f ∘ of_dual) s ↔ strict_anti_on f s
forall₂_swap
lemma
strict_mono_on_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "forall₂_swap", "strict_anti_on", "strict_mono_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
strict_anti_on_comp_of_dual_iff : strict_anti_on (f ∘ of_dual) s ↔ strict_mono_on f s
forall₂_swap
lemma
strict_anti_on_comp_of_dual_iff
order.monotone
src/order/monotone/basic.lean
[ "order.compare", "order.max", "order.rel_classes" ]
[ "forall₂_swap", "strict_anti_on", "strict_mono_on" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83