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eventually_top {p : α → Prop} : (∀ᶠ x in ⊤, p x) ↔ (∀ x, p x)
iff.rfl
lemma
filter.eventually_top
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_sup {p : α → Prop} {f g : filter α} : (∀ᶠ x in f ⊔ g, p x) ↔ (∀ᶠ x in f, p x) ∧ (∀ᶠ x in g, p x)
iff.rfl
lemma
filter.eventually_sup
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_Sup {p : α → Prop} {fs : set (filter α)} : (∀ᶠ x in Sup fs, p x) ↔ (∀ f ∈ fs, ∀ᶠ x in f, p x)
iff.rfl
lemma
filter.eventually_Sup
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_supr {p : α → Prop} {fs : ι → filter α} : (∀ᶠ x in (⨆ b, fs b), p x) ↔ (∀ b, ∀ᶠ x in fs b, p x)
mem_supr
lemma
filter.eventually_supr
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_principal {a : set α} {p : α → Prop} : (∀ᶠ x in 𝓟 a, p x) ↔ (∀ x ∈ a, p x)
iff.rfl
lemma
filter.eventually_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_inf {f g : filter α} {p : α → Prop} : (∀ᶠ x in f ⊓ g, p x) ↔ ∃ (s ∈ f) (t ∈ g), ∀ x ∈ s ∩ t, p x
mem_inf_iff_superset
lemma
filter.eventually_inf
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_inf_principal {f : filter α} {p : α → Prop} {s : set α} : (∀ᶠ x in f ⊓ 𝓟 s, p x) ↔ ∀ᶠ x in f, x ∈ s → p x
mem_inf_principal
theorem
filter.eventually_inf_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently (p : α → Prop) (f : filter α) : Prop
¬∀ᶠ x in f, ¬p x
def
filter.frequently
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
`f.frequently p` or `∃ᶠ x in f, p x` mean that `{x | ¬p x} ∉ f`. E.g., `∃ᶠ x in at_top, p x` means that there exist arbitrarily large `x` for which `p` holds true.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.frequently {f : filter α} [ne_bot f] {p : α → Prop} (h : ∀ᶠ x in f, p x) : ∃ᶠ x in f, p x
compl_not_mem h
lemma
filter.eventually.frequently
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_of_forall {f : filter α} [ne_bot f] {p : α → Prop} (h : ∀ x, p x) : ∃ᶠ x in f, p x
eventually.frequently (eventually_of_forall h)
lemma
filter.frequently_of_forall
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently.mp {p q : α → Prop} {f : filter α} (h : ∃ᶠ x in f, p x) (hpq : ∀ᶠ x in f, p x → q x) : ∃ᶠ x in f, q x
mt (λ hq, hq.mp $ hpq.mono $ λ x, mt) h
lemma
filter.frequently.mp
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently.filter_mono {p : α → Prop} {f g : filter α} (h : ∃ᶠ x in f, p x) (hle : f ≤ g) : ∃ᶠ x in g, p x
mt (λ h', h'.filter_mono hle) h
lemma
filter.frequently.filter_mono
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently.mono {p q : α → Prop} {f : filter α} (h : ∃ᶠ x in f, p x) (hpq : ∀ x, p x → q x) : ∃ᶠ x in f, q x
h.mp (eventually_of_forall hpq)
lemma
filter.frequently.mono
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently.and_eventually {p q : α → Prop} {f : filter α} (hp : ∃ᶠ x in f, p x) (hq : ∀ᶠ x in f, q x) : ∃ᶠ x in f, p x ∧ q x
begin refine mt (λ h, hq.mp $ h.mono _) hp, exact λ x hpq hq hp, hpq ⟨hp, hq⟩ end
lemma
filter.frequently.and_eventually
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.and_frequently {p q : α → Prop} {f : filter α} (hp : ∀ᶠ x in f, p x) (hq : ∃ᶠ x in f, q x) : ∃ᶠ x in f, p x ∧ q x
by simpa only [and.comm] using hq.and_eventually hp
lemma
filter.eventually.and_frequently
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently.exists {p : α → Prop} {f : filter α} (hp : ∃ᶠ x in f, p x) : ∃ x, p x
begin by_contradiction H, replace H : ∀ᶠ x in f, ¬ p x, from eventually_of_forall (not_exists.1 H), exact hp H end
lemma
filter.frequently.exists
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "by_contradiction", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.exists {p : α → Prop} {f : filter α} [ne_bot f] (hp : ∀ᶠ x in f, p x) : ∃ x, p x
hp.frequently.exists
lemma
filter.eventually.exists
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_iff_forall_eventually_exists_and {p : α → Prop} {f : filter α} : (∃ᶠ x in f, p x) ↔ ∀ {q : α → Prop}, (∀ᶠ x in f, q x) → ∃ x, p x ∧ q x
⟨λ hp q hq, (hp.and_eventually hq).exists, λ H hp, by simpa only [and_not_self, exists_false] using H hp⟩
lemma
filter.frequently_iff_forall_eventually_exists_and
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "exists_false", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_iff {f : filter α} {P : α → Prop} : (∃ᶠ x in f, P x) ↔ ∀ {U}, U ∈ f → ∃ x ∈ U, P x
begin simp only [frequently_iff_forall_eventually_exists_and, exists_prop, and_comm (P _)], refl end
lemma
filter.frequently_iff
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "exists_prop", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
not_eventually {p : α → Prop} {f : filter α} : (¬ ∀ᶠ x in f, p x) ↔ (∃ᶠ x in f, ¬ p x)
by simp [filter.frequently]
lemma
filter.not_eventually
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
not_frequently {p : α → Prop} {f : filter α} : (¬ ∃ᶠ x in f, p x) ↔ (∀ᶠ x in f, ¬ p x)
by simp only [filter.frequently, not_not]
lemma
filter.not_frequently
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_not" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_true_iff_ne_bot (f : filter α) : (∃ᶠ x in f, true) ↔ ne_bot f
by simp [filter.frequently, -not_eventually, eventually_false_iff_eq_bot, ne_bot_iff]
lemma
filter.frequently_true_iff_ne_bot
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_false (f : filter α) : ¬ ∃ᶠ x in f, false
by simp
lemma
filter.frequently_false
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_const {f : filter α} [ne_bot f] {p : Prop} : (∃ᶠ x in f, p) ↔ p
classical.by_cases (λ h : p, by simpa [h]) (λ h, by simp [h])
lemma
filter.frequently_const
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_or_distrib {f : filter α} {p q : α → Prop} : (∃ᶠ x in f, p x ∨ q x) ↔ (∃ᶠ x in f, p x) ∨ (∃ᶠ x in f, q x)
by simp only [filter.frequently, ← not_and_distrib, not_or_distrib, eventually_and]
lemma
filter.frequently_or_distrib
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_and_distrib", "not_or_distrib" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_or_distrib_left {f : filter α} [ne_bot f] {p : Prop} {q : α → Prop} : (∃ᶠ x in f, p ∨ q x) ↔ (p ∨ ∃ᶠ x in f, q x)
by simp
lemma
filter.frequently_or_distrib_left
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_or_distrib_right {f : filter α} [ne_bot f] {p : α → Prop} {q : Prop} : (∃ᶠ x in f, p x ∨ q) ↔ (∃ᶠ x in f, p x) ∨ q
by simp
lemma
filter.frequently_or_distrib_right
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_imp_distrib {f : filter α} {p q : α → Prop} : (∃ᶠ x in f, p x → q x) ↔ ((∀ᶠ x in f, p x) → ∃ᶠ x in f, q x)
by simp [imp_iff_not_or, not_eventually, frequently_or_distrib]
lemma
filter.frequently_imp_distrib
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "imp_iff_not_or" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_imp_distrib_left {f : filter α} [ne_bot f] {p : Prop} {q : α → Prop} : (∃ᶠ x in f, p → q x) ↔ (p → ∃ᶠ x in f, q x)
by simp
lemma
filter.frequently_imp_distrib_left
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_imp_distrib_right {f : filter α} [ne_bot f] {p : α → Prop} {q : Prop} : (∃ᶠ x in f, p x → q) ↔ ((∀ᶠ x in f, p x) → q)
by simp
lemma
filter.frequently_imp_distrib_right
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_imp_distrib_right {f : filter α} {p : α → Prop} {q : Prop} : (∀ᶠ x in f, p x → q) ↔ ((∃ᶠ x in f, p x) → q)
by simp only [imp_iff_not_or, eventually_or_distrib_right, not_frequently]
lemma
filter.eventually_imp_distrib_right
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "imp_iff_not_or" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_and_distrib_left {f : filter α} {p : Prop} {q : α → Prop} : (∃ᶠ x in f, p ∧ q x) ↔ (p ∧ ∃ᶠ x in f, q x)
by simp only [filter.frequently, not_and, eventually_imp_distrib_left, not_imp]
lemma
filter.frequently_and_distrib_left
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_and", "not_imp" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_and_distrib_right {f : filter α} {p : α → Prop} {q : Prop} : (∃ᶠ x in f, p x ∧ q) ↔ ((∃ᶠ x in f, p x) ∧ q)
by simp only [and_comm _ q, frequently_and_distrib_left]
lemma
filter.frequently_and_distrib_right
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_bot {p : α → Prop} : ¬ ∃ᶠ x in ⊥, p x
by simp
lemma
filter.frequently_bot
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_top {p : α → Prop} : (∃ᶠ x in ⊤, p x) ↔ (∃ x, p x)
by simp [filter.frequently]
lemma
filter.frequently_top
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter.frequently" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_principal {a : set α} {p : α → Prop} : (∃ᶠ x in 𝓟 a, p x) ↔ (∃ x ∈ a, p x)
by simp [filter.frequently, not_forall]
lemma
filter.frequently_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter.frequently", "not_forall" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_sup {p : α → Prop} {f g : filter α} : (∃ᶠ x in f ⊔ g, p x) ↔ (∃ᶠ x in f, p x) ∨ (∃ᶠ x in g, p x)
by simp only [filter.frequently, eventually_sup, not_and_distrib]
lemma
filter.frequently_sup
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_and_distrib" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_Sup {p : α → Prop} {fs : set (filter α)} : (∃ᶠ x in Sup fs, p x) ↔ (∃ f ∈ fs, ∃ᶠ x in f, p x)
by simp [filter.frequently, -not_eventually, not_forall]
lemma
filter.frequently_Sup
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_forall" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
frequently_supr {p : α → Prop} {fs : β → filter α} : (∃ᶠ x in (⨆ b, fs b), p x) ↔ (∃ b, ∃ᶠ x in fs b, p x)
by simp [filter.frequently, -not_eventually, not_forall]
lemma
filter.frequently_supr
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "filter.frequently", "not_forall" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.choice {r : α → β → Prop} {l : filter α} [l.ne_bot] (h : ∀ᶠ x in l, ∃ y, r x y) : ∃ f : α → β, ∀ᶠ x in l, r x (f x)
begin classical, use (λ x, if hx : ∃ y, r x y then classical.some hx else classical.some (classical.some_spec h.exists)), filter_upwards [h], intros x hx, rw dif_pos hx, exact classical.some_spec hx end
lemma
filter.eventually.choice
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq (l : filter α) (f g : α → β) : Prop
∀ᶠ x in l, f x = g x
def
filter.eventually_eq
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
Two functions `f` and `g` are *eventually equal* along a filter `l` if the set of `x` such that `f x = g x` belongs to `l`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.eventually {l : filter α} {f g : α → β} (h : f =ᶠ[l] g) : ∀ᶠ x in l, f x = g x
h
lemma
filter.eventually_eq.eventually
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.rw {l : filter α} {f g : α → β} (h : f =ᶠ[l] g) (p : α → β → Prop) (hf : ∀ᶠ x in l, p x (f x)) : ∀ᶠ x in l, p x (g x)
hf.congr $ h.mono $ λ x hx, hx ▸ iff.rfl
lemma
filter.eventually_eq.rw
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_set {s t : set α} {l : filter α} : s =ᶠ[l] t ↔ ∀ᶠ x in l, x ∈ s ↔ x ∈ t
eventually_congr $ eventually_of_forall $ λ x, ⟨eq.to_iff, iff.to_eq⟩
lemma
filter.eventually_eq_set
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_univ {s : set α} {l : filter α} : s =ᶠ[l] univ ↔ s ∈ l
by simp [eventually_eq_set]
lemma
filter.eventually_eq_univ
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.exists_mem {l : filter α} {f g : α → β} (h : f =ᶠ[l] g) : ∃ s ∈ l, eq_on f g s
h.exists_mem
lemma
filter.eventually_eq.exists_mem
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_of_mem {l : filter α} {f g : α → β} {s : set α} (hs : s ∈ l) (h : eq_on f g s) : f =ᶠ[l] g
eventually_of_mem hs h
lemma
filter.eventually_eq_of_mem
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_iff_exists_mem {l : filter α} {f g : α → β} : (f =ᶠ[l] g) ↔ ∃ s ∈ l, eq_on f g s
eventually_iff_exists_mem
lemma
filter.eventually_eq_iff_exists_mem
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.filter_mono {l l' : filter α} {f g : α → β} (h₁ : f =ᶠ[l] g) (h₂ : l' ≤ l) : f =ᶠ[l'] g
h₂ h₁
lemma
filter.eventually_eq.filter_mono
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.refl (l : filter α) (f : α → β) : f =ᶠ[l] f
eventually_of_forall $ λ x, rfl
lemma
filter.eventually_eq.refl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.rfl {l : filter α} {f : α → β} : f =ᶠ[l] f
eventually_eq.refl l f
lemma
filter.eventually_eq.rfl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.symm {f g : α → β} {l : filter α} (H : f =ᶠ[l] g) : g =ᶠ[l] f
H.mono $ λ _, eq.symm
lemma
filter.eventually_eq.symm
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.trans {l : filter α} {f g h : α → β} (H₁ : f =ᶠ[l] g) (H₂ : g =ᶠ[l] h) : f =ᶠ[l] h
H₂.rw (λ x y, f x = y) H₁
lemma
filter.eventually_eq.trans
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.prod_mk {l} {f f' : α → β} (hf : f =ᶠ[l] f') {g g' : α → γ} (hg : g =ᶠ[l] g') : (λ x, (f x, g x)) =ᶠ[l] (λ x, (f' x, g' x))
hf.mp $ hg.mono $ by { intros, simp only * }
lemma
filter.eventually_eq.prod_mk
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.fun_comp {f g : α → β} {l : filter α} (H : f =ᶠ[l] g) (h : β → γ) : (h ∘ f) =ᶠ[l] (h ∘ g)
H.mono $ λ x hx, congr_arg h hx
lemma
filter.eventually_eq.fun_comp
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.comp₂ {δ} {f f' : α → β} {g g' : α → γ} {l} (Hf : f =ᶠ[l] f') (h : β → γ → δ) (Hg : g =ᶠ[l] g') : (λ x, h (f x) (g x)) =ᶠ[l] (λ x, h (f' x) (g' x))
(Hf.prod_mk Hg).fun_comp (uncurry h)
lemma
filter.eventually_eq.comp₂
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.mul [has_mul β] {f f' g g' : α → β} {l : filter α} (h : f =ᶠ[l] g) (h' : f' =ᶠ[l] g') : ((λ x, f x * f' x) =ᶠ[l] (λ x, g x * g' x))
h.comp₂ (*) h'
lemma
filter.eventually_eq.mul
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.inv [has_inv β] {f g : α → β} {l : filter α} (h : f =ᶠ[l] g) : ((λ x, (f x)⁻¹) =ᶠ[l] (λ x, (g x)⁻¹))
h.fun_comp has_inv.inv
lemma
filter.eventually_eq.inv
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.div [has_div β] {f f' g g' : α → β} {l : filter α} (h : f =ᶠ[l] g) (h' : f' =ᶠ[l] g') : ((λ x, f x / f' x) =ᶠ[l] (λ x, g x / g' x))
h.comp₂ (/) h'
lemma
filter.eventually_eq.div
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.const_smul {𝕜} [has_smul 𝕜 β] {l : filter α} {f g : α → β} (h : f =ᶠ[l] g) (c : 𝕜) : (λ x, c • f x) =ᶠ[l] (λ x, c • g x)
h.fun_comp (λ x, c • x)
lemma
filter.eventually_eq.const_smul
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "has_smul" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.smul {𝕜} [has_smul 𝕜 β] {l : filter α} {f f' : α → 𝕜} {g g' : α → β} (hf : f =ᶠ[l] f') (hg : g =ᶠ[l] g') : (λ x, f x • g x) =ᶠ[l] λ x, f' x • g' x
hf.comp₂ (•) hg
lemma
filter.eventually_eq.smul
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "has_smul" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.sup [has_sup β] {l : filter α} {f f' g g' : α → β} (hf : f =ᶠ[l] f') (hg : g =ᶠ[l] g') : (λ x, f x ⊔ g x) =ᶠ[l] λ x, f' x ⊔ g' x
hf.comp₂ (⊔) hg
lemma
filter.eventually_eq.sup
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "has_sup" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.inf [has_inf β] {l : filter α} {f f' g g' : α → β} (hf : f =ᶠ[l] f') (hg : g =ᶠ[l] g') : (λ x, f x ⊓ g x) =ᶠ[l] λ x, f' x ⊓ g' x
hf.comp₂ (⊓) hg
lemma
filter.eventually_eq.inf
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "has_inf" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.preimage {l : filter α} {f g : α → β} (h : f =ᶠ[l] g) (s : set β) : f ⁻¹' s =ᶠ[l] g ⁻¹' s
h.fun_comp s
lemma
filter.eventually_eq.preimage
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.inter {s t s' t' : set α} {l : filter α} (h : s =ᶠ[l] t) (h' : s' =ᶠ[l] t') : (s ∩ s' : set α) =ᶠ[l] (t ∩ t' : set α)
h.comp₂ (∧) h'
lemma
filter.eventually_eq.inter
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.union {s t s' t' : set α} {l : filter α} (h : s =ᶠ[l] t) (h' : s' =ᶠ[l] t') : (s ∪ s' : set α) =ᶠ[l] (t ∪ t' : set α)
h.comp₂ (∨) h'
lemma
filter.eventually_eq.union
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.compl {s t : set α} {l : filter α} (h : s =ᶠ[l] t) : (sᶜ : set α) =ᶠ[l] (tᶜ : set α)
h.fun_comp not
lemma
filter.eventually_eq.compl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.diff {s t s' t' : set α} {l : filter α} (h : s =ᶠ[l] t) (h' : s' =ᶠ[l] t') : (s \ s' : set α) =ᶠ[l] (t \ t' : set α)
h.inter h'.compl
lemma
filter.eventually_eq.diff
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_empty {s : set α} {l : filter α} : s =ᶠ[l] (∅ : set α) ↔ ∀ᶠ x in l, x ∉ s
eventually_eq_set.trans $ by simp
lemma
filter.eventually_eq_empty
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
inter_eventually_eq_left {s t : set α} {l : filter α} : (s ∩ t : set α) =ᶠ[l] s ↔ ∀ᶠ x in l, x ∈ s → x ∈ t
by simp only [eventually_eq_set, mem_inter_iff, and_iff_left_iff_imp]
lemma
filter.inter_eventually_eq_left
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "and_iff_left_iff_imp", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
inter_eventually_eq_right {s t : set α} {l : filter α} : (s ∩ t : set α) =ᶠ[l] t ↔ ∀ᶠ x in l, x ∈ t → x ∈ s
by rw [inter_comm, inter_eventually_eq_left]
lemma
filter.inter_eventually_eq_right
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_principal {s : set α} {f g : α → β} : f =ᶠ[𝓟 s] g ↔ eq_on f g s
iff.rfl
lemma
filter.eventually_eq_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_inf_principal_iff {F : filter α} {s : set α} {f g : α → β} : (f =ᶠ[F ⊓ 𝓟 s] g) ↔ ∀ᶠ x in F, x ∈ s → f x = g x
eventually_inf_principal
lemma
filter.eventually_eq_inf_principal_iff
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.sub_eq [add_group β] {f g : α → β} {l : filter α} (h : f =ᶠ[l] g) : f - g =ᶠ[l] 0
by simpa using (eventually_eq.sub (eventually_eq.refl l f) h).symm
lemma
filter.eventually_eq.sub_eq
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "add_group", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq_iff_sub [add_group β] {f g : α → β} {l : filter α} : f =ᶠ[l] g ↔ f - g =ᶠ[l] 0
⟨λ h, h.sub_eq, λ h, by simpa using h.add (eventually_eq.refl l g)⟩
lemma
filter.eventually_eq_iff_sub
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "add_group", "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le (l : filter α) (f g : α → β) : Prop
∀ᶠ x in l, f x ≤ g x
def
filter.eventually_le
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
A function `f` is eventually less than or equal to a function `g` at a filter `l`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.congr {f f' g g' : α → β} (H : f ≤ᶠ[l] g) (hf : f =ᶠ[l] f') (hg : g =ᶠ[l] g') : f' ≤ᶠ[l] g'
H.mp $ hg.mp $ hf.mono $ λ x hf hg H, by rwa [hf, hg] at H
lemma
filter.eventually_le.congr
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le_congr {f f' g g' : α → β} (hf : f =ᶠ[l] f') (hg : g =ᶠ[l] g') : f ≤ᶠ[l] g ↔ f' ≤ᶠ[l] g'
⟨λ H, H.congr hf hg, λ H, H.congr hf.symm hg.symm⟩
lemma
filter.eventually_le_congr
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.le (h : f =ᶠ[l] g) : f ≤ᶠ[l] g
h.mono $ λ x, le_of_eq
lemma
filter.eventually_eq.le
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.refl (l : filter α) (f : α → β) : f ≤ᶠ[l] f
eventually_eq.rfl.le
lemma
filter.eventually_le.refl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.rfl : f ≤ᶠ[l] f
eventually_le.refl l f
lemma
filter.eventually_le.rfl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.trans (H₁ : f ≤ᶠ[l] g) (H₂ : g ≤ᶠ[l] h) : f ≤ᶠ[l] h
H₂.mp $ H₁.mono $ λ x, le_trans
lemma
filter.eventually_le.trans
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_eq.trans_le (H₁ : f =ᶠ[l] g) (H₂ : g ≤ᶠ[l] h) : f ≤ᶠ[l] h
H₁.le.trans H₂
lemma
filter.eventually_eq.trans_le
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.trans_eq (H₁ : f ≤ᶠ[l] g) (H₂ : g =ᶠ[l] h) : f ≤ᶠ[l] h
H₁.trans H₂.le
lemma
filter.eventually_le.trans_eq
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.antisymm [partial_order β] {l : filter α} {f g : α → β} (h₁ : f ≤ᶠ[l] g) (h₂ : g ≤ᶠ[l] f) : f =ᶠ[l] g
h₂.mp $ h₁.mono $ λ x, le_antisymm
lemma
filter.eventually_le.antisymm
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le_antisymm_iff [partial_order β] {l : filter α} {f g : α → β} : f =ᶠ[l] g ↔ f ≤ᶠ[l] g ∧ g ≤ᶠ[l] f
by simp only [eventually_eq, eventually_le, le_antisymm_iff, eventually_and]
lemma
filter.eventually_le_antisymm_iff
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.le_iff_eq [partial_order β] {l : filter α} {f g : α → β} (h : f ≤ᶠ[l] g) : g ≤ᶠ[l] f ↔ g =ᶠ[l] f
⟨λ h', h'.antisymm h, eventually_eq.le⟩
lemma
filter.eventually_le.le_iff_eq
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.ne_of_lt [preorder β] {l : filter α} {f g : α → β} (h : ∀ᶠ x in l, f x < g x) : ∀ᶠ x in l, f x ≠ g x
h.mono (λ x hx, hx.ne)
lemma
filter.eventually.ne_of_lt
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.ne_top_of_lt [partial_order β] [order_top β] {l : filter α} {f g : α → β} (h : ∀ᶠ x in l, f x < g x) : ∀ᶠ x in l, f x ≠ ⊤
h.mono (λ x hx, hx.ne_top)
lemma
filter.eventually.ne_top_of_lt
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "order_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.lt_top_of_ne [partial_order β] [order_top β] {l : filter α} {f : α → β} (h : ∀ᶠ x in l, f x ≠ ⊤) : ∀ᶠ x in l, f x < ⊤
h.mono (λ x hx, hx.lt_top)
lemma
filter.eventually.lt_top_of_ne
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "order_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually.lt_top_iff_ne_top [partial_order β] [order_top β] {l : filter α} {f : α → β} : (∀ᶠ x in l, f x < ⊤) ↔ ∀ᶠ x in l, f x ≠ ⊤
⟨eventually.ne_of_lt, eventually.lt_top_of_ne⟩
lemma
filter.eventually.lt_top_iff_ne_top
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "order_top" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.inter {s t s' t' : set α} {l : filter α} (h : s ≤ᶠ[l] t) (h' : s' ≤ᶠ[l] t') : (s ∩ s' : set α) ≤ᶠ[l] (t ∩ t' : set α)
h'.mp $ h.mono $ λ x, and.imp
lemma
filter.eventually_le.inter
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.union {s t s' t' : set α} {l : filter α} (h : s ≤ᶠ[l] t) (h' : s' ≤ᶠ[l] t') : (s ∪ s' : set α) ≤ᶠ[l] (t ∪ t' : set α)
h'.mp $ h.mono $ λ x, or.imp
lemma
filter.eventually_le.union
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.compl {s t : set α} {l : filter α} (h : s ≤ᶠ[l] t) : (tᶜ : set α) ≤ᶠ[l] (sᶜ : set α)
h.mono $ λ x, mt
lemma
filter.eventually_le.compl
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.diff {s t s' t' : set α} {l : filter α} (h : s ≤ᶠ[l] t) (h' : t' ≤ᶠ[l] s') : (s \ s' : set α) ≤ᶠ[l] (t \ t' : set α)
h.inter h'.compl
lemma
filter.eventually_le.diff
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
set_eventually_le_iff_mem_inf_principal {s t : set α} {l : filter α} : s ≤ᶠ[l] t ↔ t ∈ l ⊓ 𝓟 s
mem_inf_principal.symm
lemma
filter.set_eventually_le_iff_mem_inf_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
set_eventually_le_iff_inf_principal_le {s t : set α} {l : filter α} : s ≤ᶠ[l] t ↔ l ⊓ 𝓟 s ≤ l ⊓ 𝓟 t
set_eventually_le_iff_mem_inf_principal.trans $ by simp only [le_inf_iff, inf_le_left, true_and, le_principal_iff]
lemma
filter.set_eventually_le_iff_inf_principal_le
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "inf_le_left", "le_inf_iff" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
set_eventually_eq_iff_inf_principal {s t : set α} {l : filter α} : s =ᶠ[l] t ↔ l ⊓ 𝓟 s = l ⊓ 𝓟 t
by simp only [eventually_le_antisymm_iff, le_antisymm_iff, set_eventually_le_iff_inf_principal_le]
lemma
filter.set_eventually_eq_iff_inf_principal
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.mul_le_mul [mul_zero_class β] [partial_order β] [pos_mul_mono β] [mul_pos_mono β] {l : filter α} {f₁ f₂ g₁ g₂ : α → β} (hf : f₁ ≤ᶠ[l] f₂) (hg : g₁ ≤ᶠ[l] g₂) (hg₀ : 0 ≤ᶠ[l] g₁) (hf₀ : 0 ≤ᶠ[l] f₂) : f₁ * g₁ ≤ᶠ[l] f₂ * g₂
by filter_upwards [hf, hg, hg₀, hf₀] with x using mul_le_mul
lemma
filter.eventually_le.mul_le_mul
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "filter", "mul_le_mul", "mul_pos_mono", "mul_zero_class", "pos_mul_mono" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
eventually_le.mul_le_mul' [has_mul β] [preorder β] [covariant_class β β (*) (≤)] [covariant_class β β (swap (*)) (≤)] {l : filter α} {f₁ f₂ g₁ g₂ : α → β} (hf : f₁ ≤ᶠ[l] f₂) (hg : g₁ ≤ᶠ[l] g₂) : f₁ * g₁ ≤ᶠ[l] f₂ * g₂
by filter_upwards [hf, hg] with x hfx hgx using mul_le_mul' hfx hgx
lemma
filter.eventually_le.mul_le_mul'
order.filter
src/order/filter/basic.lean
[ "control.traversable.instances", "data.set.finite", "order.copy", "tactic.monotonicity" ]
[ "covariant_class", "filter", "mul_le_mul'" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83