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case h.e'_3 R : Type u_1 S : Type u_2 inst✝¹ : CommRing R inst✝ : CommRing S m n : ℕ ⊢ T R ((m + 2) * n) + T R (m * n) = T R (2 * n + m * n) + T R (m * n)
/- Copyright (c) 2020 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Julian Kuelshammer, Heather Macbeth -/ import Mathlib.Data.Polynomial.Derivative import Mathlib.Tactic.LinearCombination #align_import ring_theory.polynomial.chebyshev...
ring_nf
/-- The `(m * n)`-th Chebyshev polynomial is the composition of the `m`-th and `n`-th -/ theorem T_mul : ∀ m n, T R (m * n) = (T R m).comp (T R n) | 0 => by simp | 1 => by simp | m + 2 => by intro n have : 2 * T R n * T R ((m + 1) * n) = T R ((m + 2) * n) + T R (m * n) := by convert mul_T R n (m * n...
Mathlib.RingTheory.Polynomial.Chebyshev.268_0.SRy1jgYRAFbFJky
/-- The `(m * n)`-th Chebyshev polynomial is the composition of the `m`-th and `n`-th -/ theorem T_mul : ∀ m n, T R (m * n) = (T R m).comp (T R n) | 0 => by simp | 1 => by simp | m + 2 => by intro n have : 2 * T R n * T R ((m + 1) * n) = T R ((m + 2) * n) + T R (m * n)
Mathlib_RingTheory_Polynomial_Chebyshev
R : Type u_1 S : Type u_2 inst✝¹ : CommRing R inst✝ : CommRing S m n : ℕ this : 2 * T R n * T R ((m + 1) * n) = T R ((m + 2) * n) + T R (m * n) ⊢ T R ((m + 2) * n) = comp (T R (m + 2)) (T R n)
/- Copyright (c) 2020 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Julian Kuelshammer, Heather Macbeth -/ import Mathlib.Data.Polynomial.Derivative import Mathlib.Tactic.LinearCombination #align_import ring_theory.polynomial.chebyshev...
simp [this, T_mul m, ← T_mul (m + 1)]
/-- The `(m * n)`-th Chebyshev polynomial is the composition of the `m`-th and `n`-th -/ theorem T_mul : ∀ m n, T R (m * n) = (T R m).comp (T R n) | 0 => by simp | 1 => by simp | m + 2 => by intro n have : 2 * T R n * T R ((m + 1) * n) = T R ((m + 2) * n) + T R (m * n) := by convert mul_T R n (m * n...
Mathlib.RingTheory.Polynomial.Chebyshev.268_0.SRy1jgYRAFbFJky
/-- The `(m * n)`-th Chebyshev polynomial is the composition of the `m`-th and `n`-th -/ theorem T_mul : ∀ m n, T R (m * n) = (T R m).comp (T R n) | 0 => by simp | 1 => by simp | m + 2 => by intro n have : 2 * T R n * T R ((m + 1) * n) = T R ((m + 2) * n) + T R (m * n)
Mathlib_RingTheory_Polynomial_Chebyshev
k G : Type u inst✝¹ : Field k inst✝ : Monoid G ⊢ Linear k (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
instance : Linear k (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.62_0.ADbOgJGW1JDvdmK
instance : Linear k (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ AddCommGroup (CoeSort.coe V)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
change AddCommGroup ((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj
instance (V : FdRep k G) : AddCommGroup V := by
Mathlib.RepresentationTheory.FdRep.67_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : AddCommGroup V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ AddCommGroup ↑((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
instance (V : FdRep k G) : AddCommGroup V := by change AddCommGroup ((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj;
Mathlib.RepresentationTheory.FdRep.67_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : AddCommGroup V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ Module k (CoeSort.coe V)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
change Module k ((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj
instance (V : FdRep k G) : Module k V := by
Mathlib.RepresentationTheory.FdRep.70_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : Module k V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ Module k ↑((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
instance (V : FdRep k G) : Module k V := by change Module k ((forget₂ (FdRep k G) (FGModuleCat k)).obj V).obj;
Mathlib.RepresentationTheory.FdRep.70_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : Module k V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ FiniteDimensional k (CoeSort.coe V)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
change FiniteDimensional k ((forget₂ (FdRep k G) (FGModuleCat k)).obj V)
instance (V : FdRep k G) : FiniteDimensional k V := by
Mathlib.RepresentationTheory.FdRep.73_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : FiniteDimensional k V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ FiniteDimensional k ↑((forget₂ (FdRep k G) (FGModuleCat k)).obj V)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
instance (V : FdRep k G) : FiniteDimensional k V := by change FiniteDimensional k ((forget₂ (FdRep k G) (FGModuleCat k)).obj V);
Mathlib.RepresentationTheory.FdRep.73_0.ADbOgJGW1JDvdmK
instance (V : FdRep k G) : FiniteDimensional k V
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V W : FdRep k G i : V ≅ W g : G ⊢ (ρ W) g = (LinearEquiv.conj (isoToLinearEquiv i)) ((ρ V) g)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
erw [FdRep.isoToLinearEquiv, ← FGModuleCat.Iso.conj_eq_conj, Iso.conj_apply]
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g) := by -- Porting note: Changed `rw` to `erw`
Mathlib.RepresentationTheory.FdRep.91_0.ADbOgJGW1JDvdmK
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V W : FdRep k G i : V ≅ W g : G ⊢ (ρ W) g = ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i).inv ≫ (ρ V) g ≫ ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i).hom
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
rw [Iso.eq_inv_comp ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i)]
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g) := by -- Porting note: Changed `rw` to `erw` erw [FdRep.isoToLinearEquiv, ← FGModuleCat.Iso.conj_eq_conj, Iso.conj_apply]
Mathlib.RepresentationTheory.FdRep.91_0.ADbOgJGW1JDvdmK
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V W : FdRep k G i : V ≅ W g : G ⊢ ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i).hom ≫ (ρ W) g = (ρ V) g ≫ ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i).hom
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
exact (i.hom.comm g).symm
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g) := by -- Porting note: Changed `rw` to `erw` erw [FdRep.isoToLinearEquiv, ← FGModuleCat.Iso.conj_eq_conj, Iso.conj_apply] rw [Iso.eq_inv_comp ((Action.forget (FGModuleCat k) (MonCat.of G)).mapIso i)]
Mathlib.RepresentationTheory.FdRep.91_0.ADbOgJGW1JDvdmK
theorem Iso.conj_ρ {V W : FdRep k G} (i : V ≅ W) (g : G) : W.ρ g = (FdRep.isoToLinearEquiv i).conj (V.ρ g)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G ⊢ Rep.ρ ((forget₂ (FdRep k G) (Rep k G)).obj V) = ρ V
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
ext g v
theorem forget₂_ρ (V : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj V).ρ = V.ρ := by
Mathlib.RepresentationTheory.FdRep.109_0.ADbOgJGW1JDvdmK
theorem forget₂_ρ (V : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj V).ρ = V.ρ
Mathlib_RepresentationTheory_FdRep
case h.h k G : Type u inst✝¹ : Field k inst✝ : Monoid G V : FdRep k G g : G v : CoeSort.coe ((forget₂ (FdRep k G) (Rep k G)).obj V) ⊢ ((Rep.ρ ((forget₂ (FdRep k G) (Rep k G)).obj V)) g) v = ((ρ V) g) v
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
rfl
theorem forget₂_ρ (V : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj V).ρ = V.ρ := by ext g v;
Mathlib.RepresentationTheory.FdRep.109_0.ADbOgJGW1JDvdmK
theorem forget₂_ρ (V : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj V).ρ = V.ρ
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G ⊢ MonoidalCategory (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
example : MonoidalCategory (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.114_0.ADbOgJGW1JDvdmK
example : MonoidalCategory (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G ⊢ MonoidalPreadditive (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
example : MonoidalPreadditive (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.116_0.ADbOgJGW1JDvdmK
example : MonoidalPreadditive (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G ⊢ MonoidalLinear k (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
example : MonoidalLinear k (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.118_0.ADbOgJGW1JDvdmK
example : MonoidalLinear k (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G ⊢ HasKernels (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
instance : HasKernels (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.126_0.ADbOgJGW1JDvdmK
instance : HasKernels (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G X Y : FdRep k G x✝ : (forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y ⊢ (fun f => Action.Hom.mk ((forget₂ (FGModuleCat k) (ModuleCat k)).map f.hom)) (AddHom.toFun { toAddHom := { toFun := fun f => Action....
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
ext
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f := ⟨f.hom, f.comm⟩ map_add' _ _ := rfl map_smul' _ _ := rfl...
Mathlib.RepresentationTheory.FdRep.134_0.ADbOgJGW1JDvdmK
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f
Mathlib_RepresentationTheory_FdRep
case h.h k G : Type u inst✝¹ : Field k inst✝ : Monoid G X Y : FdRep k G x✝¹ : (forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y x✝ : ↑((forget₂ (FdRep k G) (Rep k G)).obj X).V ⊢ ((fun f => Action.Hom.mk ((forget₂ (FGModuleCat k) (ModuleCat k)).map f.hom)) (AddHom.toFun ...
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
rfl
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f := ⟨f.hom, f.comm⟩ map_add' _ _ := rfl map_smul' _ _ := rfl...
Mathlib.RepresentationTheory.FdRep.134_0.ADbOgJGW1JDvdmK
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Monoid G X Y : FdRep k G x✝ : X ⟶ Y ⊢ AddHom.toFun { toAddHom := { toFun := fun f => Action.Hom.mk f.hom, map_add' := (_ : ∀ (x x_1 : (forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G))....
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
ext
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f := ⟨f.hom, f.comm⟩ map_add' _ _ := rfl map_smul' _ _ := rfl...
Mathlib.RepresentationTheory.FdRep.134_0.ADbOgJGW1JDvdmK
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f
Mathlib_RepresentationTheory_FdRep
case h.w k G : Type u inst✝¹ : Field k inst✝ : Monoid G X Y : FdRep k G x✝¹ : X ⟶ Y x✝ : (forget (FGModuleCat k)).obj X.V ⊢ (AddHom.toFun { toAddHom := { toFun := fun f => Action.Hom.mk f.hom, map_add' := (_ : ∀ (x x_1 :...
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
rfl
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f := ⟨f.hom, f.comm⟩ map_add' _ _ := rfl map_smul' _ _ := rfl...
Mathlib.RepresentationTheory.FdRep.134_0.ADbOgJGW1JDvdmK
/-- The forgetful functor to `Rep k G` preserves hom-sets and their vector space structure. -/ def forget₂HomLinearEquiv (X Y : FdRep k G) : ((forget₂ (FdRep k G) (Rep k G)).obj X ⟶ (forget₂ (FdRep k G) (Rep k G)).obj Y) ≃ₗ[k] X ⟶ Y where toFun f
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Group G ⊢ RightRigidCategory (FdRep k G)
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
change RightRigidCategory (Action (FGModuleCat k) (GroupCat.of G))
noncomputable instance : RightRigidCategory (FdRep k G) := by
Mathlib.RepresentationTheory.FdRep.153_0.ADbOgJGW1JDvdmK
noncomputable instance : RightRigidCategory (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G : Type u inst✝¹ : Field k inst✝ : Group G ⊢ RightRigidCategory (Action (FGModuleCat k) ((forget₂ GroupCat MonCat).obj (GroupCat.of G)))
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
infer_instance
noncomputable instance : RightRigidCategory (FdRep k G) := by change RightRigidCategory (Action (FGModuleCat k) (GroupCat.of G));
Mathlib.RepresentationTheory.FdRep.153_0.ADbOgJGW1JDvdmK
noncomputable instance : RightRigidCategory (FdRep k G)
Mathlib_RepresentationTheory_FdRep
k G V : Type u inst✝⁴ : Field k inst✝³ : Group G inst✝² : AddCommGroup V inst✝¹ : Module k V inst✝ : FiniteDimensional k V ρV : Representation k G V W : FdRep k G ⊢ of (dual ρV) ⊗ W ≅ of (linHom ρV (ρ W))
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
refine Action.mkIso (dualTensorIsoLinHomAux ρV W) ?_
/-- When `V` and `W` are finite dimensional representations of a group `G`, the isomorphism `dualTensorHomEquiv k V W` of vector spaces induces an isomorphism of representations. -/ noncomputable def dualTensorIsoLinHom : FdRep.of ρV.dual ⊗ W ≅ FdRep.of (linHom ρV W.ρ) := by
Mathlib.RepresentationTheory.FdRep.182_0.ADbOgJGW1JDvdmK
/-- When `V` and `W` are finite dimensional representations of a group `G`, the isomorphism `dualTensorHomEquiv k V W` of vector spaces induces an isomorphism of representations. -/ noncomputable def dualTensorIsoLinHom : FdRep.of ρV.dual ⊗ W ≅ FdRep.of (linHom ρV W.ρ)
Mathlib_RepresentationTheory_FdRep
k G V : Type u inst✝⁴ : Field k inst✝³ : Group G inst✝² : AddCommGroup V inst✝¹ : Module k V inst✝ : FiniteDimensional k V ρV : Representation k G V W : FdRep k G ⊢ ∀ (g : ↑(MonCat.of G)), (of (dual ρV) ⊗ W).ρ g ≫ (dualTensorIsoLinHomAux ρV W).hom = (dualTensorIsoLinHomAux ρV W).hom ≫ (of (linHom ρV (ρ W))).ρ...
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.RepresentationTheory.Rep import Mathlib.Algebra.Category.FGModuleCat.Limits import Mathlib.CategoryTheory.Preadditive.Schur import Mathlib.Representati...
convert dualTensorHom_comm ρV W.ρ
/-- When `V` and `W` are finite dimensional representations of a group `G`, the isomorphism `dualTensorHomEquiv k V W` of vector spaces induces an isomorphism of representations. -/ noncomputable def dualTensorIsoLinHom : FdRep.of ρV.dual ⊗ W ≅ FdRep.of (linHom ρV W.ρ) := by refine Action.mkIso (dualTensorIsoLinHomAu...
Mathlib.RepresentationTheory.FdRep.182_0.ADbOgJGW1JDvdmK
/-- When `V` and `W` are finite dimensional representations of a group `G`, the isomorphism `dualTensorHomEquiv k V W` of vector spaces induces an isomorphism of representations. -/ noncomputable def dualTensorIsoLinHom : FdRep.of ρV.dual ⊗ W ≅ FdRep.of (linHom ρV W.ρ)
Mathlib_RepresentationTheory_FdRep
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : SupSet α inst✝ : Inhabited ↑s t : Set ↑s h' : Set.Nonempty t h'' : BddAbove t h : sSup (Subtype.val '' t) ∈ s ⊢ sSup (Subtype.val '' t) = ↑(sSup t)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [dif_pos, h, h', h'']
theorem subset_sSup_of_within [Inhabited s] {t : Set s} (h' : t.Nonempty) (h'' : BddAbove t) (h : sSup ((↑) '' t : Set α) ∈ s) : sSup ((↑) '' t : Set α) = (@sSup s _ t : α) := by
Mathlib.Order.CompleteLatticeIntervals.57_0.e28Rmw8JX0zQo3b
theorem subset_sSup_of_within [Inhabited s] {t : Set s} (h' : t.Nonempty) (h'' : BddAbove t) (h : sSup ((↑) '' t : Set α) ∈ s) : sSup ((↑) '' t : Set α) = (@sSup s _ t : α)
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : SupSet α inst✝ : Inhabited ↑s ⊢ sSup ∅ = default
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [sSup]
theorem subset_sSup_emptyset [Inhabited s] : sSup (∅ : Set s) = default := by
Mathlib.Order.CompleteLatticeIntervals.62_0.e28Rmw8JX0zQo3b
theorem subset_sSup_emptyset [Inhabited s] : sSup (∅ : Set s) = default
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : SupSet α inst✝ : Inhabited ↑s t : Set ↑s ht : ¬BddAbove t ⊢ sSup t = default
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [sSup, ht]
theorem subset_sSup_of_not_bddAbove [Inhabited s] {t : Set s} (ht : ¬BddAbove t) : sSup t = default := by
Mathlib.Order.CompleteLatticeIntervals.66_0.e28Rmw8JX0zQo3b
theorem subset_sSup_of_not_bddAbove [Inhabited s] {t : Set s} (ht : ¬BddAbove t) : sSup t = default
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : InfSet α inst✝ : Inhabited ↑s t : Set ↑s h' : Set.Nonempty t h'' : BddBelow t h : sInf (Subtype.val '' t) ∈ s ⊢ sInf (Subtype.val '' t) = ↑(sInf t)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [dif_pos, h, h', h'']
theorem subset_sInf_of_within [Inhabited s] {t : Set s} (h' : t.Nonempty) (h'' : BddBelow t) (h : sInf ((↑) '' t : Set α) ∈ s) : sInf ((↑) '' t : Set α) = (@sInf s _ t : α) := by
Mathlib.Order.CompleteLatticeIntervals.97_0.e28Rmw8JX0zQo3b
theorem subset_sInf_of_within [Inhabited s] {t : Set s} (h' : t.Nonempty) (h'' : BddBelow t) (h : sInf ((↑) '' t : Set α) ∈ s) : sInf ((↑) '' t : Set α) = (@sInf s _ t : α)
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : InfSet α inst✝ : Inhabited ↑s ⊢ sInf ∅ = default
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [sInf]
theorem subset_sInf_emptyset [Inhabited s] : sInf (∅ : Set s) = default := by
Mathlib.Order.CompleteLatticeIntervals.102_0.e28Rmw8JX0zQo3b
theorem subset_sInf_emptyset [Inhabited s] : sInf (∅ : Set s) = default
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝² : Preorder α inst✝¹ : InfSet α inst✝ : Inhabited ↑s t : Set ↑s ht : ¬BddBelow t ⊢ sInf t = default
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [sInf, ht]
theorem subset_sInf_of_not_bddBelow [Inhabited s] {t : Set s} (ht : ¬BddBelow t) : sInf t = default := by
Mathlib.Order.CompleteLatticeIntervals.106_0.e28Rmw8JX0zQo3b
theorem subset_sInf_of_not_bddBelow [Inhabited s] {t : Set s} (ht : ¬BddBelow t) : sInf t = default
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rintro t c h_bdd hct
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Subtype.coe_le_coe, ← subset_sSup_of_within s ⟨c, hct⟩ h_bdd (h_Sup ⟨c, hct⟩ h_bdd)]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe _).le_csSup_image hct h_bdd
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rintro t B ht hB
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Subtype.coe_le_coe, ← subset_sSup_of_within s ht ⟨B, hB⟩ (h_Sup ht ⟨B, hB⟩)]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).csSup_image_le ht hB
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rintro t c h_bdd hct
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Subtype.coe_le_coe, ← subset_sInf_of_within s ⟨c, hct⟩ h_bdd (h_Inf ⟨c, hct⟩ h_bdd)]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).csInf_image_le hct h_bdd
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
intro t B ht hB
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Subtype.coe_le_coe, ← subset_sInf_of_within s ht ⟨B, hB⟩ (h_Inf ht ⟨B, hB⟩)]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).le_csInf_image ht hB
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [ht]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝¹ : ConditionallyCompleteLinearOrder α inst✝ : Inhabited ↑s h_Sup : ∀ {t : Set ↑s}, Set.Nonempty t → BddAbove t → sSup (Subtype.val '' t) ∈ s h_Inf : ∀ {t : Set ↑s}, Set.Nonempty t → BddBelow t → sInf (Subtype.val '' t) ∈ s src✝³ : SupSet ↑s := subsetSupSet s src✝² : InfSet ↑s := subsetInfSe...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [ht]
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib.Order.CompleteLatticeIntervals.120_0.e28Rmw8JX0zQo3b
/-- For a nonempty subset of a conditionally complete linear order to be a conditionally complete linear order, it suffices that it contain the `sSup` of all its nonempty bounded-above subsets, and the `sInf` of all its nonempty bounded-below subsets. See note [reducible non-instances]. -/ @[reducible] noncomputable de...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s ht : Set.Nonempty t h_bdd : BddAbove t ⊢ sSup (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨c, hct⟩ : ∃ c, c ∈ t := ht
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.150_0.e28Rmw8JX0zQo3b
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s h_bdd : BddAbove t c : ↑s hct : c ∈ t ⊢ sSup (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨B, hB⟩ : ∃ B, B ∈ upperBounds t := h_bdd
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.150_0.e28Rmw8JX0zQo3b
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ upperBounds t ⊢ sSup (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
refine' hs.out c.2 B.2 ⟨_, _⟩
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.150_0.e28Rmw8JX0zQo3b
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro.refine'_1 α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ upperBounds t ⊢ ↑c ≤ sSup (Subtype.val '' t)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).le_csSup_image hct ⟨B, hB⟩
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.150_0.e28Rmw8JX0zQo3b
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro.refine'_2 α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ upperBounds t ⊢ sSup (Subtype.val '' t) ≤ ↑B
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).csSup_image_le ⟨c, hct⟩ hB
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.150_0.e28Rmw8JX0zQo3b
/-- The `sSup` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-above subsets of `s`. -/ theorem sSup_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddAbove t) : sSup ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s ht : Set.Nonempty t h_bdd : BddBelow t ⊢ sInf (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨c, hct⟩ : ∃ c, c ∈ t := ht
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.161_0.e28Rmw8JX0zQo3b
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s h_bdd : BddBelow t c : ↑s hct : c ∈ t ⊢ sInf (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨B, hB⟩ : ∃ B, B ∈ lowerBounds t := h_bdd
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.161_0.e28Rmw8JX0zQo3b
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ lowerBounds t ⊢ sInf (Subtype.val '' t) ∈ s
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
refine' hs.out B.2 c.2 ⟨_, _⟩
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.161_0.e28Rmw8JX0zQo3b
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro.refine'_1 α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ lowerBounds t ⊢ ↑B ≤ sInf (Subtype.val '' t)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).le_csInf_image ⟨c, hct⟩ hB
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.161_0.e28Rmw8JX0zQo3b
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
case intro.intro.refine'_2 α : Type u_1 s✝ : Set α inst✝ : ConditionallyCompleteLinearOrder α s : Set α hs : OrdConnected s t : Set ↑s c : ↑s hct : c ∈ t B : ↑s hB : B ∈ lowerBounds t ⊢ sInf (Subtype.val '' t) ≤ ↑c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact (Subtype.mono_coe s).csInf_image_le hct ⟨B, hB⟩
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib.Order.CompleteLatticeIntervals.161_0.e28Rmw8JX0zQo3b
/-- The `sInf` function on a nonempty `OrdConnected` set `s` in a conditionally complete linear order takes values within `s`, for all nonempty bounded-below subsets of `s`. -/ theorem sInf_within_of_ordConnected {s : Set α} [hs : OrdConnected s] ⦃t : Set s⦄ (ht : t.Nonempty) (h_bdd : BddBelow t) : sInf ((↑) '' t :...
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : ¬S = ∅ ⊢ sSup (Subtype.val '' S) ∈ Icc a b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Set.not_nonempty_iff_eq_empty, not_not] at hS
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : Set.Nonempty S ⊢ sSup (Subtype.val '' S) ∈ Icc a b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
refine' ⟨_, csSup_le (hS.image (↑)) (fun _ ⟨c, _, hc⟩ ↦ hc ▸ c.2.2)⟩
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : Set.Nonempty S ⊢ a ≤ sSup (Subtype.val '' S)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨c, hc⟩ := hS
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case intro α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S ⊢ a ≤ sSup (Subtype.val '' S)
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact c.2.1.trans (le_csSup ⟨b, fun _ ⟨d, _, hd⟩ ↦ hd ▸ d.2.2⟩ ⟨c, hc, rfl⟩)
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S ⊢ c ≤ sSup S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
by_cases hS : S = ∅
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : S = ∅ ⊢ c ≤ sSup S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : ¬S = ∅ ⊢ c ≤ sSup S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : S = ∅ ⊢ c ≤ { val := a, property := (_ : a ≤ a ∧ a ≤ b) }
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [hS] at hc
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : ¬S = ∅ ⊢ c ≤ { val := sSup (Subtype.val '' S), property := (_ : a ≤ sSup (Subtype.val '' S) ∧ sSup (Subtype.val '' S) ≤ b) }
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact le_csSup ⟨b, fun _ ⟨d, _, hd⟩ ↦ hd ▸ d.2.2⟩ ⟨c, hc, rfl⟩
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, b_1 ≤ c ⊢ sSup S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
by_cases hS : S = ∅
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, b_1 ≤ c hS : S = ∅ ⊢ sSup S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, b_1 ≤ c hS : ¬S = ∅ ⊢ sSup S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, b_1 ≤ c hS : S = ∅ ⊢ { val := a, property := (_ : a ≤ a ∧ a ≤ b) } ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact c.2.1
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, b_1 ≤ c hS : ¬S = ∅ ⊢ { val := sSup (Subtype.val '' S), property := (_ : a ≤ sSup (Subtype.val '' S) ∧ sSup (Subtype.val '' S) ≤...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact csSup_le ((Set.nonempty_iff_ne_empty.mpr hS).image (↑)) (fun _ ⟨d, h, hd⟩ ↦ hd ▸ hc d h)
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : ¬S = ∅ ⊢ sInf (Subtype.val '' S) ∈ Icc a b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
rw [← Set.not_nonempty_iff_eq_empty, not_not] at hS
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : Set.Nonempty S ⊢ sInf (Subtype.val '' S) ∈ Icc a b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
refine' ⟨le_csInf (hS.image (↑)) (fun _ ⟨c, _, hc⟩ ↦ hc ▸ c.2.1), _⟩
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) hS : Set.Nonempty S ⊢ sInf (Subtype.val '' S) ≤ b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
obtain ⟨c, hc⟩ := hS
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case intro α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S ⊢ sInf (Subtype.val '' S) ≤ b
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact le_trans (csInf_le ⟨a, fun _ ⟨d, _, hd⟩ ↦ hd ▸ d.2.1⟩ ⟨c, hc, rfl⟩) c.2.2
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S ⊢ sInf S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
by_cases hS : S = ∅
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : S = ∅ ⊢ sInf S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : ¬S = ∅ ⊢ sInf S ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : S = ∅ ⊢ { val := b, property := (_ : a ≤ b ∧ b ≤ b) } ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp [hS] at hc
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : c ∈ S hS : ¬S = ∅ ⊢ { val := sInf (Subtype.val '' S), property := (_ : a ≤ sInf (Subtype.val '' S) ∧ sInf (Subtype.val '' S) ≤ b) } ≤ c
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact csInf_le ⟨a, fun _ ⟨d, _, hd⟩ ↦ hd ▸ d.2.1⟩ ⟨c, hc, rfl⟩
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, c ≤ b_1 ⊢ c ≤ sInf S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
by_cases hS : S = ∅
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, c ≤ b_1 hS : S = ∅ ⊢ c ≤ sInf S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, c ≤ b_1 hS : ¬S = ∅ ⊢ c ≤ sInf S
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
simp only [hS, dite_true, dite_false]
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case pos α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, c ≤ b_1 hS : S = ∅ ⊢ c ≤ { val := b, property := (_ : a ≤ b ∧ b ≤ b) }
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact c.2.2
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
case neg α : Type u_1 s : Set α inst✝ : ConditionallyCompleteLattice α a b : α h : a ≤ b src✝ : BoundedOrder ↑(Icc a b) := Icc.boundedOrder h S : Set ↑(Icc a b) c : ↑(Icc a b) hc : ∀ b_1 ∈ S, c ≤ b_1 hS : ¬S = ∅ ⊢ c ≤ { val := sInf (Subtype.val '' S), property := (_ : a ≤ sInf (Subtype.val '' S) ∧ sInf (Subtype.val '' ...
/- Copyright (c) 2022 Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Heather Macbeth -/ import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Order.LatticeIntervals import Mathlib.Data.Set.Intervals.OrdConnected #align_import order.co...
exact le_csInf ((Set.nonempty_iff_ne_empty.mpr hS).image (↑)) (fun _ ⟨d, h, hd⟩ ↦ hd ▸ hc d h)
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __ := Set.Icc.boundedOrder h sSup S := if hS : S = ∅ then ⟨a, le_rfl, h⟩ else ⟨sSup ((↑) '' S), by rw [← Set.not_nonempty_iff_...
Mathlib.Order.CompleteLatticeIntervals.185_0.e28Rmw8JX0zQo3b
/-- Complete lattice structure on `Set.Icc` -/ noncomputable def Set.Icc.completeLattice [ConditionallyCompleteLattice α] {a b : α} (h : a ≤ b) : CompleteLattice (Set.Icc a b) where __
Mathlib_Order_CompleteLatticeIntervals
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ p₂ ↔ inner ((Equiv.pointReflection c) p₁ -ᵥ p₂) (p₂ -ᵥ p₁) = 0
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [mem_perpBisector_iff_inner_eq_zero, Equiv.pointReflection_apply, vsub_midpoint, invOf_eq_inv, ← smul_add, real_inner_smul_left, vadd_vsub_assoc]
theorem mem_perpBisector_iff_inner_pointReflection_vsub_eq_zero : c ∈ perpBisector p₁ p₂ ↔ ⟪Equiv.pointReflection c p₁ -ᵥ p₂, p₂ -ᵥ p₁⟫ = 0 := by
Mathlib.Geometry.Euclidean.PerpBisector.54_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_inner_pointReflection_vsub_eq_zero : c ∈ perpBisector p₁ p₂ ↔ ⟪Equiv.pointReflection c p₁ -ᵥ p₂, p₂ -ᵥ p₁⟫ = 0
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ 2⁻¹ * inner (c -ᵥ p₁ + (c -ᵥ p₂)) (p₂ -ᵥ p₁) = 0 ↔ inner (c -ᵥ p₁ + (c -ᵥ p₂)) (p₂ -ᵥ p₁) = 0
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simp
theorem mem_perpBisector_iff_inner_pointReflection_vsub_eq_zero : c ∈ perpBisector p₁ p₂ ↔ ⟪Equiv.pointReflection c p₁ -ᵥ p₂, p₂ -ᵥ p₁⟫ = 0 := by rw [mem_perpBisector_iff_inner_eq_zero, Equiv.pointReflection_apply, vsub_midpoint, invOf_eq_inv, ← smul_add, real_inner_smul_left, vadd_vsub_assoc]
Mathlib.Geometry.Euclidean.PerpBisector.54_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_inner_pointReflection_vsub_eq_zero : c ∈ perpBisector p₁ p₂ ↔ ⟪Equiv.pointReflection c p₁ -ᵥ p₂, p₂ -ᵥ p₁⟫ = 0
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ ((Equiv.pointReflection p₂) p₁) ↔ inner (c -ᵥ p₂) (p₁ -ᵥ p₂) = 0
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [mem_perpBisector_iff_inner_eq_zero, midpoint_pointReflection_right, Equiv.pointReflection_apply, vadd_vsub_assoc, inner_add_right, add_self_eq_zero, ← neg_eq_zero, ← inner_neg_right, neg_vsub_eq_vsub_rev]
theorem mem_perpBisector_pointReflection_iff_inner_eq_zero : c ∈ perpBisector p₁ (Equiv.pointReflection p₂ p₁) ↔ ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫ = 0 := by
Mathlib.Geometry.Euclidean.PerpBisector.60_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_pointReflection_iff_inner_eq_zero : c ∈ perpBisector p₁ (Equiv.pointReflection p₂ p₁) ↔ ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫ = 0
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁✝ p₂✝ p₁ p₂ : P ⊢ midpoint ℝ p₁ p₂ ∈ perpBisector p₁ p₂
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simp [mem_perpBisector_iff_inner_eq_zero]
theorem midpoint_mem_perpBisector (p₁ p₂ : P) : midpoint ℝ p₁ p₂ ∈ perpBisector p₁ p₂ := by
Mathlib.Geometry.Euclidean.PerpBisector.66_0.WKtplj3xHYGfYbJ
theorem midpoint_mem_perpBisector (p₁ p₂ : P) : midpoint ℝ p₁ p₂ ∈ perpBisector p₁ p₂
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_1 P : Type u_2 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁✝ p₂✝ p₁ p₂ : P ⊢ direction (perpBisector p₁ p₂) = (Submodule.span ℝ {p₂ -ᵥ p₁})ᗮ
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
erw [perpBisector, comap_symm, map_direction, Submodule.map_id, Submodule.toAffineSubspace_direction]
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ := by
Mathlib.Geometry.Euclidean.PerpBisector.73_0.WKtplj3xHYGfYbJ
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_1 P : Type u_2 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁✝ p₂✝ p₁ p₂ : P ⊢ LinearMap.ker ((innerₛₗ ℝ) (p₂ -ᵥ p₁)) = (Submodule.span ℝ {p₂ -ᵥ p₁})ᗮ
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
ext x
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ := by erw [perpBisector, comap_symm, map_direction, Submodule.map_id, Submodule.toAffineSubspace_direction]
Mathlib.Geometry.Euclidean.PerpBisector.73_0.WKtplj3xHYGfYbJ
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ
Mathlib_Geometry_Euclidean_PerpBisector
case h V : Type u_1 P : Type u_2 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁✝ p₂✝ p₁ p₂ : P x : V ⊢ x ∈ LinearMap.ker ((innerₛₗ ℝ) (p₂ -ᵥ p₁)) ↔ x ∈ (Submodule.span ℝ {p₂ -ᵥ p₁})ᗮ
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
exact Submodule.mem_orthogonal_singleton_iff_inner_right.symm
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ := by erw [perpBisector, comap_symm, map_direction, Submodule.map_id, Submodule.toAffineSubspace_direction] ext x
Mathlib.Geometry.Euclidean.PerpBisector.73_0.WKtplj3xHYGfYbJ
@[simp] theorem direction_perpBisector (p₁ p₂ : P) : (perpBisector p₁ p₂).direction = (ℝ ∙ (p₂ -ᵥ p₁))ᗮ
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ p₂ ↔ inner (c -ᵥ p₁) (p₂ -ᵥ p₁) = inner (c -ᵥ p₂) (p₁ -ᵥ p₂)
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [Iff.comm, mem_perpBisector_iff_inner_eq_zero, ← add_neg_eq_zero, ← inner_neg_right, neg_vsub_eq_vsub_rev, ← inner_add_left, vsub_midpoint, invOf_eq_inv, ← smul_add, real_inner_smul_left]
theorem mem_perpBisector_iff_inner_eq_inner : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫ := by
Mathlib.Geometry.Euclidean.PerpBisector.81_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_inner_eq_inner : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ inner (c -ᵥ p₁ + (c -ᵥ p₂)) (p₂ -ᵥ p₁) = 0 ↔ 2⁻¹ * inner (c -ᵥ p₁ + (c -ᵥ p₂)) (p₂ -ᵥ p₁) = 0
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simp
theorem mem_perpBisector_iff_inner_eq_inner : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫ := by rw [Iff.comm, mem_perpBisector_iff_inner_eq_zero, ← add_neg_eq_zero, ← inner_neg_right, neg_vsub_eq_vsub_rev, ← inner_add_left, vsub_midpoint, invOf_eq_inv, ← smul_add, real_inner_smul_le...
Mathlib.Geometry.Euclidean.PerpBisector.81_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_inner_eq_inner : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = ⟪c -ᵥ p₂, p₁ -ᵥ p₂⟫
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ p₂ ↔ inner (c -ᵥ p₁) (p₂ -ᵥ p₁) = dist p₁ p₂ ^ 2 / 2
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [mem_perpBisector_iff_inner_eq_zero, ← vsub_sub_vsub_cancel_right _ _ p₁, inner_sub_left, sub_eq_zero, midpoint_vsub_left, invOf_eq_inv, real_inner_smul_left, real_inner_self_eq_norm_sq, dist_eq_norm_vsub' V, div_eq_inv_mul]
theorem mem_perpBisector_iff_inner_eq : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = (dist p₁ p₂) ^ 2 / 2 := by
Mathlib.Geometry.Euclidean.PerpBisector.87_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_inner_eq : c ∈ perpBisector p₁ p₂ ↔ ⟪c -ᵥ p₁, p₂ -ᵥ p₁⟫ = (dist p₁ p₂) ^ 2 / 2
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ p₂ ↔ dist c p₁ = dist c p₂
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [dist_eq_norm_vsub V, dist_eq_norm_vsub V, ← real_inner_add_sub_eq_zero_iff, vsub_sub_vsub_cancel_left, inner_add_left, add_eq_zero_iff_eq_neg, ← inner_neg_right, neg_vsub_eq_vsub_rev, mem_perpBisector_iff_inner_eq_inner]
theorem mem_perpBisector_iff_dist_eq : c ∈ perpBisector p₁ p₂ ↔ dist c p₁ = dist c p₂ := by
Mathlib.Geometry.Euclidean.PerpBisector.93_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_dist_eq : c ∈ perpBisector p₁ p₂ ↔ dist c p₁ = dist c p₂
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ c ∈ perpBisector p₁ p₂ ↔ dist p₁ c = dist p₂ c
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simp only [mem_perpBisector_iff_dist_eq, dist_comm]
theorem mem_perpBisector_iff_dist_eq' : c ∈ perpBisector p₁ p₂ ↔ dist p₁ c = dist p₂ c := by
Mathlib.Geometry.Euclidean.PerpBisector.98_0.WKtplj3xHYGfYbJ
theorem mem_perpBisector_iff_dist_eq' : c ∈ perpBisector p₁ p₂ ↔ dist p₁ c = dist p₂ c
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁✝ p₂✝ p₁ p₂ : P ⊢ perpBisector p₁ p₂ = perpBisector p₂ p₁
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
ext c
theorem perpBisector_comm (p₁ p₂ : P) : perpBisector p₁ p₂ = perpBisector p₂ p₁ := by
Mathlib.Geometry.Euclidean.PerpBisector.101_0.WKtplj3xHYGfYbJ
theorem perpBisector_comm (p₁ p₂ : P) : perpBisector p₁ p₂ = perpBisector p₂ p₁
Mathlib_Geometry_Euclidean_PerpBisector
case h V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c✝ c₁ c₂ p₁✝ p₂✝ p₁ p₂ c : P ⊢ c ∈ perpBisector p₁ p₂ ↔ c ∈ perpBisector p₂ p₁
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simp only [mem_perpBisector_iff_dist_eq, eq_comm]
theorem perpBisector_comm (p₁ p₂ : P) : perpBisector p₁ p₂ = perpBisector p₂ p₁ := by ext c;
Mathlib.Geometry.Euclidean.PerpBisector.101_0.WKtplj3xHYGfYbJ
theorem perpBisector_comm (p₁ p₂ : P) : perpBisector p₁ p₂ = perpBisector p₂ p₁
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ p₂ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
simpa [mem_perpBisector_iff_inner_eq_inner] using eq_comm
@[simp] theorem right_mem_perpBisector : p₂ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂ := by
Mathlib.Geometry.Euclidean.PerpBisector.104_0.WKtplj3xHYGfYbJ
@[simp] theorem right_mem_perpBisector : p₂ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂
Mathlib_Geometry_Euclidean_PerpBisector
V : Type u_2 P : Type u_1 inst✝³ : NormedAddCommGroup V inst✝² : InnerProductSpace ℝ V inst✝¹ : MetricSpace P inst✝ : NormedAddTorsor V P c c₁ c₂ p₁ p₂ : P ⊢ p₁ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Joseph Myers -/ import Mathlib.Analysis.InnerProductSpace.Orthogonal #align_import geometry.euclidean.basic from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6f...
rw [perpBisector_comm, right_mem_perpBisector, eq_comm]
@[simp] theorem left_mem_perpBisector : p₁ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂ := by
Mathlib.Geometry.Euclidean.PerpBisector.107_0.WKtplj3xHYGfYbJ
@[simp] theorem left_mem_perpBisector : p₁ ∈ perpBisector p₁ p₂ ↔ p₁ = p₂
Mathlib_Geometry_Euclidean_PerpBisector