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α✝ : Type u β : Type v α : Type u inst✝⁴ : Lattice α inst✝³ : DecidableEq α inst✝² : DecidableRel fun x x_1 => x ≤ x_1 inst✝¹ : DecidableRel fun x x_1 => x < x_1 inst✝ : IsTotal α fun x x_1 => x ≤ x_1 src✝ : Lattice α := inst✝⁴ ⊢ ∀ (a b : α), min a b = if a ≤ b then a else b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact congr_fun₂ inf_eq_minDefault
/-- A lattice with total order is a linear order. See note [reducible non-instances]. -/ @[reducible] def Lattice.toLinearOrder (α : Type u) [Lattice α] [DecidableEq α] [DecidableRel ((· ≤ ·) : α → α → Prop)] [DecidableRel ((· < ·) : α → α → Prop)] [IsTotal α (· ≤ ·)] : LinearOrder α := { ‹Lattice α› with ...
Mathlib.Order.Lattice.909_0.wE3igZl9MFbJBfv
/-- A lattice with total order is a linear order. See note [reducible non-instances]. -/ @[reducible] def Lattice.toLinearOrder (α : Type u) [Lattice α] [DecidableEq α] [DecidableRel ((· ≤ ·) : α → α → Prop)] [DecidableRel ((· < ·) : α → α → Prop)] [IsTotal α (· ≤ ·)] : LinearOrder α
Mathlib_Order_Lattice
α✝ : Type u β : Type v α : Type u inst✝⁴ : Lattice α inst✝³ : DecidableEq α inst✝² : DecidableRel fun x x_1 => x ≤ x_1 inst✝¹ : DecidableRel fun x x_1 => x < x_1 inst✝ : IsTotal α fun x x_1 => x ≤ x_1 src✝ : Lattice α := inst✝⁴ ⊢ ∀ (a b : α), max a b = if a ≤ b then b else a
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact congr_fun₂ sup_eq_maxDefault
/-- A lattice with total order is a linear order. See note [reducible non-instances]. -/ @[reducible] def Lattice.toLinearOrder (α : Type u) [Lattice α] [DecidableEq α] [DecidableRel ((· ≤ ·) : α → α → Prop)] [DecidableRel ((· < ·) : α → α → Prop)] [IsTotal α (· ≤ ·)] : LinearOrder α := { ‹Lattice α› with ...
Mathlib.Order.Lattice.909_0.wE3igZl9MFbJBfv
/-- A lattice with total order is a linear order. See note [reducible non-instances]. -/ @[reducible] def Lattice.toLinearOrder (α : Type u) [Lattice α] [DecidableEq α] [DecidableRel ((· ≤ ·) : α → α → Prop)] [DecidableRel ((· < ·) : α → α → Prop)] [IsTotal α (· ≤ ·)] : LinearOrder α
Mathlib_Order_Lattice
α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeSup (π i) f : (i : ι) → π i i : ι a b : π i j : ι ⊢ update f i (a ⊔ b) j = (update f i a ⊔ update f i b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
obtain rfl | hji := eq_or_ne j i
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b := funext fun j => by
Mathlib.Order.Lattice.1044_0.wE3igZl9MFbJBfv
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b
Mathlib_Order_Lattice
case inl α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeSup (π i) f : (i : ι) → π i j : ι a b : π j ⊢ update f j (a ⊔ b) j = (update f j a ⊔ update f j b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp [update_noteq, *]
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b := funext fun j => by obtain rfl | hji := eq_or_ne j i <;>
Mathlib.Order.Lattice.1044_0.wE3igZl9MFbJBfv
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b
Mathlib_Order_Lattice
case inr α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeSup (π i) f : (i : ι) → π i i : ι a b : π i j : ι hji : j ≠ i ⊢ update f i (a ⊔ b) j = (update f i a ⊔ update f i b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp [update_noteq, *]
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b := funext fun j => by obtain rfl | hji := eq_or_ne j i <;>
Mathlib.Order.Lattice.1044_0.wE3igZl9MFbJBfv
theorem update_sup [∀ i, SemilatticeSup (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊔ b) = update f i a ⊔ update f i b
Mathlib_Order_Lattice
α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeInf (π i) f : (i : ι) → π i i : ι a b : π i j : ι ⊢ update f i (a ⊓ b) j = (update f i a ⊓ update f i b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
obtain rfl | hji := eq_or_ne j i
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b := funext fun j => by
Mathlib.Order.Lattice.1049_0.wE3igZl9MFbJBfv
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b
Mathlib_Order_Lattice
case inl α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeInf (π i) f : (i : ι) → π i j : ι a b : π j ⊢ update f j (a ⊓ b) j = (update f j a ⊓ update f j b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp [update_noteq, *]
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b := funext fun j => by obtain rfl | hji := eq_or_ne j i <;>
Mathlib.Order.Lattice.1049_0.wE3igZl9MFbJBfv
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b
Mathlib_Order_Lattice
case inr α : Type u β : Type v ι : Type u_1 π : ι → Type u_2 inst✝¹ : DecidableEq ι inst✝ : (i : ι) → SemilatticeInf (π i) f : (i : ι) → π i i : ι a b : π i j : ι hji : j ≠ i ⊢ update f i (a ⊓ b) j = (update f i a ⊓ update f i b) j
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp [update_noteq, *]
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b := funext fun j => by obtain rfl | hji := eq_or_ne j i <;>
Mathlib.Order.Lattice.1049_0.wE3igZl9MFbJBfv
theorem update_inf [∀ i, SemilatticeInf (π i)] (f : ∀ i, π i) (i : ι) (a b : π i) : update f i (a ⊓ b) = update f i a ⊓ update f i b
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : SemilatticeInf α inst✝ : SemilatticeInf β f : α → β h : ∀ (x y : α), f (x ⊓ y) = f x ⊓ f y x y : α hxy : x ≤ y ⊢ f x ⊓ f y = f x
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [← h, inf_eq_left.2 hxy]
theorem of_map_inf [SemilatticeInf α] [SemilatticeInf β] {f : α → β} (h : ∀ x y, f (x ⊓ y) = f x ⊓ f y) : Monotone f := fun x y hxy => inf_eq_left.1 $ by
Mathlib.Order.Lattice.1099_0.wE3igZl9MFbJBfv
theorem of_map_inf [SemilatticeInf α] [SemilatticeInf β] {f : α → β} (h : ∀ x y, f (x ⊓ y) = f x ⊓ f y) : Monotone f
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β f : α → β hf : Monotone f x y : α h : x ≤ y ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [h, hf h, sup_of_le_right]
theorem map_sup [SemilatticeSup β] {f : α → β} (hf : Monotone f) (x y : α) : f (x ⊔ y) = f x ⊔ f y := (IsTotal.total x y).elim (fun h : x ≤ y => by
Mathlib.Order.Lattice.1111_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] {f : α → β} (hf : Monotone f) (x y : α) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β f : α → β hf : Monotone f x y : α h : y ≤ x ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [h, hf h, sup_of_le_left]
theorem map_sup [SemilatticeSup β] {f : α → β} (hf : Monotone f) (x y : α) : f (x ⊔ y) = f x ⊔ f y := (IsTotal.total x y).elim (fun h : x ≤ y => by simp only [h, hf h, sup_of_le_right]) fun h => by
Mathlib.Order.Lattice.1111_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] {f : α → β} (hf : Monotone f) (x y : α) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
α : Type u β : Type v f : α → β s : Set α x✝ y✝ : α inst✝¹ : SemilatticeInf α inst✝ : SemilatticeInf β h : ∀ (x : α), x ∈ s → ∀ (y : α), y ∈ s → f (x ⊓ y) = f x ⊓ f y x : α hx : x ∈ s y : α hy : y ∈ s hxy : x ≤ y ⊢ f x ⊓ f y = f x
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [← h _ hx _ hy, inf_eq_left.2 hxy]
theorem of_map_inf [SemilatticeInf α] [SemilatticeInf β] (h : ∀ x ∈ s, ∀ y ∈ s, f (x ⊓ y) = f x ⊓ f y) : MonotoneOn f s := fun x hx y hy hxy => inf_eq_left.1 <| by
Mathlib.Order.Lattice.1151_0.wE3igZl9MFbJBfv
theorem of_map_inf [SemilatticeInf α] [SemilatticeInf β] (h : ∀ x ∈ s, ∀ y ∈ s, f (x ⊓ y) = f x ⊓ f y) : MonotoneOn f s
Mathlib_Order_Lattice
α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
cases le_total x y
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
have := hf ?_ ?_ ‹_›
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
have := hf ?_ ?_ ‹_›
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first | assumption |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inl.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊔ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first | assumption |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right]
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
case inr.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeSup β hf : MonotoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1163_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeSup β] (hf : MonotoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊔ f y
Mathlib_Order_Lattice
α : Type u β : Type v f : α → β s : Set α x✝ y✝ : α inst✝¹ : SemilatticeInf α inst✝ : SemilatticeSup β h : ∀ (x : α), x ∈ s → ∀ (y : α), y ∈ s → f (x ⊓ y) = f x ⊔ f y x : α hx : x ∈ s y : α hy : y ∈ s hxy : x ≤ y ⊢ f x ⊔ f y = f x
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [← h _ hx _ hy, inf_eq_left.2 hxy]
theorem of_map_inf [SemilatticeInf α] [SemilatticeSup β] (h : ∀ x ∈ s, ∀ y ∈ s, f (x ⊓ y) = f x ⊔ f y) : AntitoneOn f s := fun x hx y hy hxy => sup_eq_left.1 <| by
Mathlib.Order.Lattice.1257_0.wE3igZl9MFbJBfv
theorem of_map_inf [SemilatticeInf α] [SemilatticeSup β] (h : ∀ x ∈ s, ∀ y ∈ s, f (x ⊓ y) = f x ⊔ f y) : AntitoneOn f s
Mathlib_Order_Lattice
α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
cases le_total x y
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
have := hf ?_ ?_ ‹_›
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
have := hf ?_ ?_ ‹_›
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y this : f y ≤ f x ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first | assumption |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inl.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : x ≤ y ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_3 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x this : f x ≤ f y ⊢ f (x ⊔ y) = f x ⊓ f y
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first | assumption |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_1 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ y ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
first | assumption | simp only [*, sup_of_le_left, sup_of_le_right, inf_of_le_left, inf_of_le_right]
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;>
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
case inr.refine_2 α : Type u β : Type v f : α → β s : Set α x y : α inst✝¹ : LinearOrder α inst✝ : SemilatticeInf β hf : AntitoneOn f s hx : x ∈ s hy : y ∈ s h✝ : y ≤ x ⊢ x ∈ s
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
assumption
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y := by cases le_total x y <;> have := hf ?_ ?_ ‹_› <;> first |
Mathlib.Order.Lattice.1269_0.wE3igZl9MFbJBfv
theorem map_sup [SemilatticeInf β] (hf : AntitoneOn f s) (hx : x ∈ s) (hy : y ∈ s) : f (x ⊔ y) = f x ⊓ f y
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ a ≤ a ⊔ b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f a ≤ f (a ⊔ b)
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f a ≤ f (a ⊔ b)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_sup]
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f a ≤ f a ⊔ f b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact le_sup_left
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ b ≤ a ⊔ b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f b ≤ f (a ⊔ b)
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f b ≤ f (a ⊔ b)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_sup]
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f b ≤ f a ⊔ f b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact le_sup_right
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ c hb : b ≤ c ⊢ a ⊔ b ≤ c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f (a ⊔ b) ≤ f c
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ c hb : b ≤ c ⊢ f (a ⊔ b) ≤ f c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_sup]
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Sup α inst✝ : SemilatticeSup β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ c hb : b ≤ c ⊢ f a ⊔ f b ≤ f c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact sup_le ha hb
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib.Order.Lattice.1448_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` is a `SemilatticeSup`, if it admits an injective map that preserves `⊔` to a `SemilatticeSup`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeSup [Sup α] [SemilatticeSup β] (f : α → β) (hf_inj : Function.Injective f) (map_sup : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ a ⊓ b ≤ a
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f (a ⊓ b) ≤ f a
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f (a ⊓ b) ≤ f a
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_inf]
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f a ⊓ f b ≤ f a
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact inf_le_left
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ a ⊓ b ≤ b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f (a ⊓ b) ≤ f b
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f (a ⊓ b) ≤ f b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_inf]
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b : α ⊢ f a ⊓ f b ≤ f b
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact inf_le_right
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ b hb : a ≤ c ⊢ a ≤ b ⊓ c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f a ≤ f (b ⊓ c)
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ b hb : a ≤ c ⊢ f a ≤ f (b ⊓ c)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_inf]
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝¹ : Inf α inst✝ : SemilatticeInf β f : α → β hf_inj : Injective f map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : PartialOrder α := PartialOrder.lift f hf_inj a b c : α ha : a ≤ b hb : a ≤ c ⊢ f a ≤ f b ⊓ f c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact le_inf ha hb
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib.Order.Lattice.1470_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊓` is a `SemilatticeInf`, if it admits an injective map that preserves `⊓` to a `SemilatticeInf`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.semilatticeInf [Inf α] [SemilatticeInf β] (f : α → β) (hf_inj : Function.Injective f) (map_inf : ∀ a b, f (a...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝² : Sup α inst✝¹ : Inf α inst✝ : DistribLattice β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : Lattice α := Injective.lattice f hf_inj map_sup map_inf a b c : α ⊢ (a ⊔ b) ⊓ (a ⊔ c) ≤ a ⊔ b ⊓ c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
change f ((a ⊔ b) ⊓ (a ⊔ c)) ≤ f (a ⊔ b ⊓ c)
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib.Order.Lattice.1502_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝² : Sup α inst✝¹ : Inf α inst✝ : DistribLattice β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : Lattice α := Injective.lattice f hf_inj map_sup map_inf a b c : α ⊢ f ((a ⊔ b) ⊓ (a ⊔ c)) ≤ f (a ⊔ b ⊓ c)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
rw [map_inf, map_sup, map_sup, map_sup, map_inf]
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib.Order.Lattice.1502_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib_Order_Lattice
α : Type u β : Type v inst✝² : Sup α inst✝¹ : Inf α inst✝ : DistribLattice β f : α → β hf_inj : Injective f map_sup : ∀ (a b : α), f (a ⊔ b) = f a ⊔ f b map_inf : ∀ (a b : α), f (a ⊓ b) = f a ⊓ f b src✝ : Lattice α := Injective.lattice f hf_inj map_sup map_inf a b c : α ⊢ (f a ⊔ f b) ⊓ (f a ⊔ f c) ≤ f a ⊔ f b ⊓ f c
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ import Mathlib.Data.Bool.Basic import Mathlib.Init.Order.Defs import Mathlib.Order.Monotone.Basic import Mathlib.Order.ULift import Mathlib.Tactic.GCongr.Core #align...
exact le_sup_inf
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib.Order.Lattice.1502_0.wE3igZl9MFbJBfv
/-- A type endowed with `⊔` and `⊓` is a `DistribLattice`, if it admits an injective map that preserves `⊔` and `⊓` to a `DistribLattice`. See note [reducible non-instances]. -/ @[reducible] protected def Function.Injective.distribLattice [Sup α] [Inf α] [DistribLattice β] (f : α → β) (hf_inj : Function.Injective f...
Mathlib_Order_Lattice
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S g : σ → τ p : MvPolynomial σ R ⊢ (map f) ((rename g) p) = (rename g) ((map f) p)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
apply MvPolynomial.induction_on p (fun a => by simp only [map_C, rename_C]) (fun p q hp hq => by simp only [hp, hq, AlgHom.map_add, RingHom.map_add]) fun p n hp => by simp only [hp, rename_X, map_X, RingHom.map_mul, AlgHom.map_mul]
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p) := by
Mathlib.Data.MvPolynomial.Rename.72_0.3NqVCwOs1E93kvK
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S g : σ → τ p : MvPolynomial σ R a : R ⊢ (map f) ((rename g) (C a)) = (rename g) ((map f) (C a))
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [map_C, rename_C]
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p) := by apply MvPolynomial.induction_on p (fun a => by
Mathlib.Data.MvPolynomial.Rename.72_0.3NqVCwOs1E93kvK
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S g : σ → τ p✝ p q : MvPolynomial σ R hp : (map f) ((rename g) p) = (rename g) ((map f) p) hq : (map f) ((rename g) q) = (rename g) ((map f) q) ⊢ (map f) ((rename g) (p + q)) = (rename g) ((map f) (...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [hp, hq, AlgHom.map_add, RingHom.map_add]
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p) := by apply MvPolynomial.induction_on p (fun a => by simp only [map_C, rename_C]) (fun p q hp hq => by
Mathlib.Data.MvPolynomial.Rename.72_0.3NqVCwOs1E93kvK
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S g : σ → τ p✝ p : MvPolynomial σ R n : σ hp : (map f) ((rename g) p) = (rename g) ((map f) p) ⊢ (map f) ((rename g) (p * X n)) = (rename g) ((map f) (p * X n))
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [hp, rename_X, map_X, RingHom.map_mul, AlgHom.map_mul]
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p) := by apply MvPolynomial.induction_on p (fun a => by simp only [map_C, rename_C]) (fun p q hp hq => by simp only [hp, hq, AlgHom.map_add, RingHom.map_add]) fun p n hp => by
Mathlib.Data.MvPolynomial.Rename.72_0.3NqVCwOs1E93kvK
theorem map_rename (f : R →+* S) (g : σ → τ) (p : MvPolynomial σ R) : map f (rename g p) = rename g (map f p)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R ⊢ (rename g) (eval₂ C (X ∘ f) p) = (rename (g ∘ f)) p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [rename, aeval_eq_eval₂Hom]
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R ⊢ (eval₂Hom (algebraMap R (MvPolynomial α R)) (X ∘ g)) (eval₂ C (X ∘ f) p) = (eval₂Hom (algebraMap R (MvPolynomial α R)) (X ∘ g ∘ f)) p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [eval₂_comp_left (eval₂Hom (algebraMap R (MvPolynomial α R)) (X ∘ g)) C (X ∘ f) p]
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by simp only [rename, aeval_eq_eval₂Hom] -- porting note: the Lean 3 proof of this was very fragile and included a nonterminal `simp`. -- Hop...
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R ⊢ eval₂ (RingHom.comp (eval₂Hom (algebraMap R (MvPolynomial α R)) (X ∘ g)) C) (⇑(eval₂Hom (algebraMap R (MvPolynomial α R)) (X ∘ g)) ∘ X ∘ f) p = (eval₂Hom (...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [(· ∘ ·), eval₂Hom_X']
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by simp only [rename, aeval_eq_eval₂Hom] -- porting note: the Lean 3 proof of this was very fragile and included a nonterminal `simp`. -- Hop...
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R ⊢ eval₂ (RingHom.comp (eval₂Hom (algebraMap R (MvPolynomial α R)) fun x => X (g x)) C) (fun x => X (g (f x))) p = (eval₂Hom (algebraMap R (MvPolynomial α R)) fun x...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
refine' eval₂Hom_congr _ rfl rfl
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by simp only [rename, aeval_eq_eval₂Hom] -- porting note: the Lean 3 proof of this was very fragile and included a nonterminal `simp`. -- Hop...
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R ⊢ RingHom.comp (eval₂Hom (algebraMap R (MvPolynomial α R)) fun x => X (g x)) C = algebraMap R (MvPolynomial α R)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
ext1
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by simp only [rename, aeval_eq_eval₂Hom] -- porting note: the Lean 3 proof of this was very fragile and included a nonterminal `simp`. -- Hop...
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
case a σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ g : τ → α p : MvPolynomial σ R x✝ : R ⊢ (RingHom.comp (eval₂Hom (algebraMap R (MvPolynomial α R)) fun x => X (g x)) C) x✝ = (algebraMap R (MvPolynomial α R)) x✝
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [comp_apply, RingHom.coe_comp, eval₂Hom_C]
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p := show rename g (eval₂ C (X ∘ f) p) = _ by simp only [rename, aeval_eq_eval₂Hom] -- porting note: the Lean 3 proof of this was very fragile and included a nonterminal `simp`. -- Hop...
Mathlib.Data.MvPolynomial.Rename.80_0.3NqVCwOs1E93kvK
@[simp] theorem rename_rename (f : σ → τ) (g : τ → α) (p : MvPolynomial σ R) : rename g (rename f p) = rename (g ∘ f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ d : σ →₀ ℕ r : R ⊢ (rename f) ((monomial d) r) = (monomial (Finsupp.mapDomain f d)) r
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [rename, aeval_monomial, monomial_eq (s := Finsupp.mapDomain f d), Finsupp.prod_mapDomain_index]
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r := by
Mathlib.Data.MvPolynomial.Rename.98_0.3NqVCwOs1E93kvK
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ d : σ →₀ ℕ r : R ⊢ ((algebraMap R (MvPolynomial τ R)) r * Finsupp.prod d fun i k => (X ∘ f) i ^ k) = C r * Finsupp.prod d fun a m => X (f a) ^ m
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rfl
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r := by rw [rename, aeval_monomial, monomial_eq (s := Finsupp.mapDomain f d), Finsupp.prod_mapDomain_index] ·
Mathlib.Data.MvPolynomial.Rename.98_0.3NqVCwOs1E93kvK
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r
Mathlib_Data_MvPolynomial_Rename
case h_zero σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ d : σ →₀ ℕ r : R ⊢ ∀ (b : τ), X b ^ 0 = 1
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
exact fun n => pow_zero _
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r := by rw [rename, aeval_monomial, monomial_eq (s := Finsupp.mapDomain f d), Finsupp.prod_mapDomain_index] · rfl ·
Mathlib.Data.MvPolynomial.Rename.98_0.3NqVCwOs1E93kvK
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r
Mathlib_Data_MvPolynomial_Rename
case h_add σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ d : σ →₀ ℕ r : R ⊢ ∀ (b : τ) (m₁ m₂ : ℕ), X b ^ (m₁ + m₂) = X b ^ m₁ * X b ^ m₂
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
exact fun n i₁ i₂ => pow_add _ _ _
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r := by rw [rename, aeval_monomial, monomial_eq (s := Finsupp.mapDomain f d), Finsupp.prod_mapDomain_index] · rfl · exact fun n => pow_zero _ ·
Mathlib.Data.MvPolynomial.Rename.98_0.3NqVCwOs1E93kvK
theorem rename_monomial (f : σ → τ) (d : σ →₀ ℕ) (r : R) : rename f (monomial d r) = monomial (d.mapDomain f) r
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ p : MvPolynomial σ R ⊢ (rename f) p = Finsupp.mapDomain (Finsupp.mapDomain f) p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp only [rename, aeval_def, eval₂, Finsupp.mapDomain, algebraMap_eq, comp_apply, X_pow_eq_monomial, ← monomial_finsupp_sum_index]
theorem rename_eq (f : σ → τ) (p : MvPolynomial σ R) : rename f p = Finsupp.mapDomain (Finsupp.mapDomain f) p := by
Mathlib.Data.MvPolynomial.Rename.107_0.3NqVCwOs1E93kvK
theorem rename_eq (f : σ → τ) (p : MvPolynomial σ R) : rename f p = Finsupp.mapDomain (Finsupp.mapDomain f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ p : MvPolynomial σ R ⊢ (sum p fun s a => (monomial (sum s fun a b => fun₀ | f a => b)) a) = sum p fun a => Finsupp.single (sum a fun a => Finsupp.single (f a))
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rfl
theorem rename_eq (f : σ → τ) (p : MvPolynomial σ R) : rename f p = Finsupp.mapDomain (Finsupp.mapDomain f) p := by simp only [rename, aeval_def, eval₂, Finsupp.mapDomain, algebraMap_eq, comp_apply, X_pow_eq_monomial, ← monomial_finsupp_sum_index]
Mathlib.Data.MvPolynomial.Rename.107_0.3NqVCwOs1E93kvK
theorem rename_eq (f : σ → τ) (p : MvPolynomial σ R) : rename f p = Finsupp.mapDomain (Finsupp.mapDomain f) p
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ hf : Injective f ⊢ Injective ⇑(rename f)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
have : (rename f : MvPolynomial σ R → MvPolynomial τ R) = Finsupp.mapDomain (Finsupp.mapDomain f) := funext (rename_eq f)
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R) := by
Mathlib.Data.MvPolynomial.Rename.114_0.3NqVCwOs1E93kvK
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ hf : Injective f this : ⇑(rename f) = Finsupp.mapDomain (Finsupp.mapDomain f) ⊢ Injective ⇑(rename f)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [this]
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R) := by have : (rename f : MvPolynomial σ R → MvPolynomial τ R) = Finsupp.mapDomain (Finsupp.mapDomain f) := funext (rename_eq f)
Mathlib.Data.MvPolynomial.Rename.114_0.3NqVCwOs1E93kvK
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ hf : Injective f this : ⇑(rename f) = Finsupp.mapDomain (Finsupp.mapDomain f) ⊢ Injective (Finsupp.mapDomain (Finsupp.mapDomain f))
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
exact Finsupp.mapDomain_injective (Finsupp.mapDomain_injective hf)
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R) := by have : (rename f : MvPolynomial σ R → MvPolynomial τ R) = Finsupp.mapDomain (Finsupp.mapDomain f) := funext (rename_eq f) rw [this]
Mathlib.Data.MvPolynomial.Rename.114_0.3NqVCwOs1E93kvK
theorem rename_injective (f : σ → τ) (hf : Function.Injective f) : Function.Injective (rename f : MvPolynomial σ R → MvPolynomial τ R)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ hf : Injective f i : σ ⊢ (AlgHom.comp (killCompl hf) (rename f)) (X i) = (AlgHom.id R (MvPolynomial σ R)) (X i)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
dsimp
theorem killCompl_comp_rename : (killCompl hf).comp (rename f) = AlgHom.id R _ := algHom_ext fun i => by
Mathlib.Data.MvPolynomial.Rename.136_0.3NqVCwOs1E93kvK
theorem killCompl_comp_rename : (killCompl hf).comp (rename f) = AlgHom.id R _
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ → τ hf : Injective f i : σ ⊢ (killCompl hf) ((rename f) (X i)) = X i
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [rename, killCompl, aeval_X, comp_apply, aeval_X, dif_pos, Equiv.ofInjective_symm_apply]
theorem killCompl_comp_rename : (killCompl hf).comp (rename f) = AlgHom.id R _ := algHom_ext fun i => by dsimp
Mathlib.Data.MvPolynomial.Rename.136_0.3NqVCwOs1E93kvK
theorem killCompl_comp_rename : (killCompl hf).comp (rename f) = AlgHom.id R _
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ ≃ τ src✝ : MvPolynomial σ R →ₐ[R] MvPolynomial τ R := rename ⇑f p : MvPolynomial σ R ⊢ (rename ⇑f.symm) ((rename ⇑f) p) = p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [rename_rename, f.symm_comp_self, rename_id]
/-- `MvPolynomial.rename e` is an equivalence when `e` is. -/ @[simps apply] def renameEquiv (f : σ ≃ τ) : MvPolynomial σ R ≃ₐ[R] MvPolynomial τ R := { rename f with toFun := rename f invFun := rename f.symm left_inv := fun p => by
Mathlib.Data.MvPolynomial.Rename.153_0.3NqVCwOs1E93kvK
/-- `MvPolynomial.rename e` is an equivalence when `e` is. -/ @[simps apply] def renameEquiv (f : σ ≃ τ) : MvPolynomial σ R ≃ₐ[R] MvPolynomial τ R
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : σ ≃ τ src✝ : MvPolynomial σ R →ₐ[R] MvPolynomial τ R := rename ⇑f p : MvPolynomial τ R ⊢ (rename ⇑f) ((rename ⇑f.symm) p) = p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
rw [rename_rename, f.self_comp_symm, rename_id]
/-- `MvPolynomial.rename e` is an equivalence when `e` is. -/ @[simps apply] def renameEquiv (f : σ ≃ τ) : MvPolynomial σ R ≃ₐ[R] MvPolynomial τ R := { rename f with toFun := rename f invFun := rename f.symm left_inv := fun p => by rw [rename_rename, f.symm_comp_self, rename_id] right_inv := fun p => ...
Mathlib.Data.MvPolynomial.Rename.153_0.3NqVCwOs1E93kvK
/-- `MvPolynomial.rename e` is an equivalence when `e` is. -/ @[simps apply] def renameEquiv (f : σ ≃ τ) : MvPolynomial σ R ≃ₐ[R] MvPolynomial τ R
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p : MvPolynomial σ R ⊢ eval₂ f g ((rename k) p) = eval₂ f (g ∘ k) p
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
apply MvPolynomial.induction_on p
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_C σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p : MvPolynomial σ R ⊢ ∀ (a : R), eval₂ f g ((rename k) (C a)) = eval₂ f (g ∘ k) (C a)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
intros
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> ·
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_C σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p : MvPolynomial σ R a✝ : R ⊢ eval₂ f g ((rename k) (C a✝)) = eval₂ f (g ∘ k) (C a✝)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp [*]
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> · intros
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_add σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p : MvPolynomial σ R ⊢ ∀ (p q : MvPolynomial σ R), eval₂ f g ((rename k) p) = eval₂ f (g ∘ k) p → eval₂ f g ((rename k) q) = eval₂ f (g ∘ k) q → eval₂ f g ...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
intros
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> ·
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_add σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p p✝ q✝ : MvPolynomial σ R a✝¹ : eval₂ f g ((rename k) p✝) = eval₂ f (g ∘ k) p✝ a✝ : eval₂ f g ((rename k) q✝) = eval₂ f (g ∘ k) q✝ ⊢ eval₂ f g ((rename k) (p✝ + q✝)...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp [*]
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> · intros
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_X σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p : MvPolynomial σ R ⊢ ∀ (p : MvPolynomial σ R) (n : σ), eval₂ f g ((rename k) p) = eval₂ f (g ∘ k) p → eval₂ f g ((rename k) (p * X n)) = eval₂ f (g ∘ k) (p * X n...
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
intros
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> ·
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
case h_X σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g : τ → S p p✝ : MvPolynomial σ R n✝ : σ a✝ : eval₂ f g ((rename k) p✝) = eval₂ f (g ∘ k) p✝ ⊢ eval₂ f g ((rename k) (p✝ * X n✝)) = eval₂ f (g ∘ k) (p✝ * X n✝)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
simp [*]
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k) := by apply MvPolynomial.induction_on p <;> · intros
Mathlib.Data.MvPolynomial.Rename.185_0.3NqVCwOs1E93kvK
theorem eval₂_rename : (rename k p).eval₂ f g = p.eval₂ f (g ∘ k)
Mathlib_Data_MvPolynomial_Rename
σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g✝ : τ → S p : MvPolynomial σ R g : τ → MvPolynomial σ R ⊢ (rename k) (eval₂ C (g ∘ k) p) = eval₂ C (⇑(rename k) ∘ g) ((rename k) p)
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
apply MvPolynomial.induction_on p
theorem rename_eval₂ (g : τ → MvPolynomial σ R) : rename k (p.eval₂ C (g ∘ k)) = (rename k p).eval₂ C (rename k ∘ g) := by
Mathlib.Data.MvPolynomial.Rename.199_0.3NqVCwOs1E93kvK
theorem rename_eval₂ (g : τ → MvPolynomial σ R) : rename k (p.eval₂ C (g ∘ k)) = (rename k p).eval₂ C (rename k ∘ g)
Mathlib_Data_MvPolynomial_Rename
case h_C σ : Type u_1 τ : Type u_2 α : Type u_3 R : Type u_4 S : Type u_5 inst✝¹ : CommSemiring R inst✝ : CommSemiring S f : R →+* S k : σ → τ g✝ : τ → S p : MvPolynomial σ R g : τ → MvPolynomial σ R ⊢ ∀ (a : R), (rename k) (eval₂ C (g ∘ k) (C a)) = eval₂ C (⇑(rename k) ∘ g) ((rename k) (C a))
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Johan Commelin, Mario Carneiro -/ import Mathlib.Data.MvPolynomial.Basic #align_import data.mv_polynomial.rename from "leanprover-community/mathlib"@"2f5b500a507264de8...
intros
theorem rename_eval₂ (g : τ → MvPolynomial σ R) : rename k (p.eval₂ C (g ∘ k)) = (rename k p).eval₂ C (rename k ∘ g) := by apply MvPolynomial.induction_on p <;> ·
Mathlib.Data.MvPolynomial.Rename.199_0.3NqVCwOs1E93kvK
theorem rename_eval₂ (g : τ → MvPolynomial σ R) : rename k (p.eval₂ C (g ∘ k)) = (rename k p).eval₂ C (rename k ∘ g)
Mathlib_Data_MvPolynomial_Rename