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norm_map (x : E) : ‖f x‖ = ‖x‖
semilinear_isometry_class.norm_map f x
lemma
linear_isometry.norm_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
nnnorm_map (x : E) : ‖f x‖₊ = ‖x‖₊
nnreal.eq $ norm_map f x
lemma
linear_isometry.nnnorm_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "nnreal.eq" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
isometry : isometry f
add_monoid_hom_class.isometry_of_norm _ (norm_map _)
lemma
linear_isometry.isometry
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
is_complete_image_iff [semilinear_isometry_class 𝓕 σ₁₂ E E₂] (f : 𝓕) {s : set E} : is_complete (f '' s) ↔ is_complete s
is_complete_image_iff (semilinear_isometry_class.isometry f).uniform_inducing
lemma
linear_isometry.is_complete_image_iff
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "is_complete", "is_complete_image_iff", "semilinear_isometry_class", "semilinear_isometry_class.isometry", "uniform_inducing" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
is_complete_map_iff [ring_hom_surjective σ₁₂] {p : submodule R E} : is_complete (p.map f.to_linear_map : set E₂) ↔ is_complete (p : set E)
f.is_complete_image_iff
lemma
linear_isometry.is_complete_map_iff
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "is_complete", "ring_hom_surjective", "submodule" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
is_complete_map_iff' [semilinear_isometry_class 𝓕 σ₁₂ E E₂] (f : 𝓕) [ring_hom_surjective σ₁₂] {p : submodule R E} : is_complete (p.map f : set E₂) ↔ is_complete (p : set E)
is_complete_image_iff f
lemma
linear_isometry.is_complete_map_iff'
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "is_complete", "is_complete_image_iff", "ring_hom_surjective", "semilinear_isometry_class", "submodule" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
complete_space_map [semilinear_isometry_class 𝓕 σ₁₂ E E₂] (f : 𝓕) [ring_hom_surjective σ₁₂] (p : submodule R E) [complete_space p] : complete_space (p.map f)
((is_complete_map_iff' f).2 $ complete_space_coe_iff_is_complete.1 ‹_›).complete_space_coe
instance
linear_isometry.complete_space_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "complete_space", "ring_hom_surjective", "semilinear_isometry_class", "submodule" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
complete_space_map' [ring_hom_surjective σ₁₂] (p : submodule R E) [complete_space p] : complete_space (p.map f.to_linear_map)
(f.is_complete_map_iff.2 $ complete_space_coe_iff_is_complete.1 ‹_›).complete_space_coe
instance
linear_isometry.complete_space_map'
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "complete_space", "ring_hom_surjective", "submodule" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
dist_map (x y : E) : dist (f x) (f y) = dist x y
f.isometry.dist_eq x y
lemma
linear_isometry.dist_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
edist_map (x y : E) : edist (f x) (f y) = edist x y
f.isometry.edist_eq x y
lemma
linear_isometry.edist_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
injective : injective f₁
isometry.injective (linear_isometry.isometry f₁)
lemma
linear_isometry.injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry.injective", "linear_isometry.isometry" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_eq_iff {x y : F} : f₁ x = f₁ y ↔ x = y
f₁.injective.eq_iff
lemma
linear_isometry.map_eq_iff
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_ne {x y : F} (h : x ≠ y) : f₁ x ≠ f₁ y
f₁.injective.ne h
lemma
linear_isometry.map_ne
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
preimage_ball (x : E) (r : ℝ) : f ⁻¹' (metric.ball (f x) r) = metric.ball x r
f.isometry.preimage_ball x r
lemma
linear_isometry.preimage_ball
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "metric.ball" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
preimage_sphere (x : E) (r : ℝ) : f ⁻¹' (metric.sphere (f x) r) = metric.sphere x r
f.isometry.preimage_sphere x r
lemma
linear_isometry.preimage_sphere
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "metric.sphere" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
preimage_closed_ball (x : E) (r : ℝ) : f ⁻¹' (metric.closed_ball (f x) r) = metric.closed_ball x r
f.isometry.preimage_closed_ball x r
lemma
linear_isometry.preimage_closed_ball
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "metric.closed_ball" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ediam_image (s : set E) : emetric.diam (f '' s) = emetric.diam s
f.isometry.ediam_image s
lemma
linear_isometry.ediam_image
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "emetric.diam" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ediam_range : emetric.diam (range f) = emetric.diam (univ : set E)
f.isometry.ediam_range
lemma
linear_isometry.ediam_range
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "emetric.diam" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
diam_image (s : set E) : metric.diam (f '' s) = metric.diam s
isometry.diam_image (linear_isometry.isometry f) s
lemma
linear_isometry.diam_image
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry.diam_image", "linear_isometry.isometry", "metric.diam" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
diam_range : metric.diam (range f) = metric.diam (univ : set E)
isometry.diam_range (linear_isometry.isometry f)
lemma
linear_isometry.diam_range
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry.diam_range", "linear_isometry.isometry", "metric.diam" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_map : E →SL[σ₁₂] E₂
⟨f.to_linear_map, f.continuous⟩
def
linear_isometry.to_continuous_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Interpret a linear isometry as a continuous linear map.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_map_injective : function.injective (to_continuous_linear_map : _ → E →SL[σ₁₂] E₂)
λ x y h, coe_injective (congr_arg _ h : ⇑x.to_continuous_linear_map = _)
lemma
linear_isometry.to_continuous_linear_map_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_map_inj {f g : E →ₛₗᵢ[σ₁₂] E₂} : f.to_continuous_linear_map = g.to_continuous_linear_map ↔ f = g
to_continuous_linear_map_injective.eq_iff
lemma
linear_isometry.to_continuous_linear_map_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_to_continuous_linear_map : ⇑f.to_continuous_linear_map = f
rfl
lemma
linear_isometry.coe_to_continuous_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
comp_continuous_iff {α : Type*} [topological_space α] {g : α → E} : continuous (f ∘ g) ↔ continuous g
f.isometry.comp_continuous_iff
lemma
linear_isometry.comp_continuous_iff
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "continuous", "topological_space" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
id : E →ₗᵢ[R] E
⟨linear_map.id, λ x, rfl⟩
def
linear_isometry.id
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
The identity linear isometry.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_id : ((id : E →ₗᵢ[R] E) : E → E) = _root_.id
rfl
lemma
linear_isometry.coe_id
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
id_apply (x : E) : (id : E →ₗᵢ[R] E) x = x
rfl
lemma
linear_isometry.id_apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
id_to_linear_map : (id.to_linear_map : E →ₗ[R] E) = linear_map.id
rfl
lemma
linear_isometry.id_to_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "linear_map.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
id_to_continuous_linear_map : id.to_continuous_linear_map = continuous_linear_map.id R E
rfl
lemma
linear_isometry.id_to_continuous_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "continuous_linear_map.id" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
comp (g : E₂ →ₛₗᵢ[σ₂₃] E₃) (f : E →ₛₗᵢ[σ₁₂] E₂) : E →ₛₗᵢ[σ₁₃] E₃
⟨g.to_linear_map.comp f.to_linear_map, λ x, (norm_map g _).trans (norm_map f _)⟩
def
linear_isometry.comp
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Composition of linear isometries.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_comp (g : E₂ →ₛₗᵢ[σ₂₃] E₃) (f : E →ₛₗᵢ[σ₁₂] E₂) : ⇑(g.comp f) = g ∘ f
rfl
lemma
linear_isometry.coe_comp
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
id_comp : (id : E₂ →ₗᵢ[R₂] E₂).comp f = f
ext $ λ x, rfl
lemma
linear_isometry.id_comp
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
comp_assoc (f : E₃ →ₛₗᵢ[σ₃₄] E₄) (g : E₂ →ₛₗᵢ[σ₂₃] E₃) (h : E →ₛₗᵢ[σ₁₂] E₂) : (f.comp g).comp h = f.comp (g.comp h)
rfl
lemma
linear_isometry.comp_assoc
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_one : ((1 : E →ₗᵢ[R] E) : E → E) = _root_.id
rfl
lemma
linear_isometry.coe_one
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_mul (f g : E →ₗᵢ[R] E) : ⇑(f * g) = f ∘ g
rfl
lemma
linear_isometry.coe_mul
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
one_def : (1 : E →ₗᵢ[R] E) = id
rfl
lemma
linear_isometry.one_def
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mul_def (f g : E →ₗᵢ[R] E) : (f * g : E →ₗᵢ[R] E) = f.comp g
rfl
lemma
linear_isometry.mul_def
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
linear_map.to_linear_isometry (f : E →ₛₗ[σ₁₂] E₂) (hf : isometry f) : E →ₛₗᵢ[σ₁₂] E₂
{ norm_map' := by { simp_rw [←dist_zero_right, ←f.map_zero], exact λ x, hf.dist_eq x _ }, .. f }
def
linear_map.to_linear_isometry
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry" ]
Construct a `linear_isometry` from a `linear_map` satisfying `isometry`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
subtypeₗᵢ : p →ₗᵢ[R'] E
⟨p.subtype, λ x, rfl⟩
def
submodule.subtypeₗᵢ
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
`submodule.subtype` as a `linear_isometry`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_subtypeₗᵢ : ⇑p.subtypeₗᵢ = p.subtype
rfl
lemma
submodule.coe_subtypeₗᵢ
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
subtypeₗᵢ_to_linear_map : p.subtypeₗᵢ.to_linear_map = p.subtype
rfl
lemma
submodule.subtypeₗᵢ_to_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
subtypeₗᵢ_to_continuous_linear_map : p.subtypeₗᵢ.to_continuous_linear_map = p.subtypeL
rfl
lemma
submodule.subtypeₗᵢ_to_continuous_linear_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
linear_isometry_equiv (σ₁₂ : R →+* R₂) {σ₂₁ : R₂ →+* R} [ring_hom_inv_pair σ₁₂ σ₂₁] [ring_hom_inv_pair σ₂₁ σ₁₂] (E E₂ : Type*) [seminormed_add_comm_group E] [seminormed_add_comm_group E₂] [module R E] [module R₂ E₂] extends E ≃ₛₗ[σ₁₂] E₂
(norm_map' : ∀ x, ‖to_linear_equiv x‖ = ‖x‖)
structure
linear_isometry_equiv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "module", "ring_hom_inv_pair", "seminormed_add_comm_group" ]
A semilinear isometric equivalence between two normed vector spaces.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
semilinear_isometry_equiv_class (𝓕 : Type*) {R R₂ : out_param Type*} [semiring R] [semiring R₂] (σ₁₂ : out_param $ R →+* R₂) {σ₂₁ : out_param $ R₂ →+* R} [ring_hom_inv_pair σ₁₂ σ₂₁] [ring_hom_inv_pair σ₂₁ σ₁₂] (E E₂ : out_param Type*) [seminormed_add_comm_group E] [seminormed_add_comm_group E₂] [module R E] [mod...
(norm_map : ∀ (f : 𝓕) (x : E), ‖f x‖ = ‖x‖)
class
semilinear_isometry_equiv_class
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "module", "ring_hom_inv_pair", "semilinear_equiv_class", "seminormed_add_comm_group", "semiring" ]
`semilinear_isometry_equiv_class F σ E E₂` asserts `F` is a type of bundled `σ`-semilinear isometric equivs `E → E₂`. See also `linear_isometry_equiv_class F R E E₂` for the case where `σ` is the identity map on `R`. A map `f` between an `R`-module and an `S`-module over a ring homomorphism `σ : R →+* S` is semilinea...
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
linear_isometry_equiv_class (𝓕 : Type*) (R E E₂ : out_param Type*) [semiring R] [seminormed_add_comm_group E] [seminormed_add_comm_group E₂] [module R E] [module R E₂]
semilinear_isometry_equiv_class 𝓕 (ring_hom.id R) E E₂
abbreviation
linear_isometry_equiv_class
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "module", "ring_hom.id", "semilinear_isometry_equiv_class", "seminormed_add_comm_group", "semiring" ]
`linear_isometry_equiv_class F R E E₂` asserts `F` is a type of bundled `R`-linear isometries `M → M₂`. This is an abbreviation for `semilinear_isometry_equiv_class F (ring_hom.id R) E E₂`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_equiv_injective : injective (to_linear_equiv : (E ≃ₛₗᵢ[σ₁₂] E₂) → (E ≃ₛₗ[σ₁₂] E₂))
| ⟨e, _⟩ ⟨_, _⟩ rfl := rfl
lemma
linear_isometry_equiv.to_linear_equiv_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_equiv_inj {f g : E ≃ₛₗᵢ[σ₁₂] E₂} : f.to_linear_equiv = g.to_linear_equiv ↔ f = g
to_linear_equiv_injective.eq_iff
lemma
linear_isometry_equiv.to_linear_equiv_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_injective : @function.injective (E ≃ₛₗᵢ[σ₁₂] E₂) (E → E₂) coe_fn
fun_like.coe_injective
lemma
linear_isometry_equiv.coe_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "fun_like.coe_injective" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_mk (e : E ≃ₛₗ[σ₁₂] E₂) (he : ∀ x, ‖e x‖ = ‖x‖) : ⇑(mk e he) = e
rfl
lemma
linear_isometry_equiv.coe_mk
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_to_linear_equiv (e : E ≃ₛₗᵢ[σ₁₂] E₂) : ⇑e.to_linear_equiv = e
rfl
lemma
linear_isometry_equiv.coe_to_linear_equiv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ext {e e' : E ≃ₛₗᵢ[σ₁₂] E₂} (h : ∀ x, e x = e' x) : e = e'
to_linear_equiv_injective $ linear_equiv.ext h
lemma
linear_isometry_equiv.ext
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "linear_equiv.ext" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
congr_arg {f : E ≃ₛₗᵢ[σ₁₂] E₂} : Π {x x' : E}, x = x' → f x = f x'
| _ _ rfl := rfl
lemma
linear_isometry_equiv.congr_arg
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
congr_fun {f g : E ≃ₛₗᵢ[σ₁₂] E₂} (h : f = g) (x : E) : f x = g x
h ▸ rfl
lemma
linear_isometry_equiv.congr_fun
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
of_bounds (e : E ≃ₛₗ[σ₁₂] E₂) (h₁ : ∀ x, ‖e x‖ ≤ ‖x‖) (h₂ : ∀ y, ‖e.symm y‖ ≤ ‖y‖) : E ≃ₛₗᵢ[σ₁₂] E₂
⟨e, λ x, le_antisymm (h₁ x) $ by simpa only [e.symm_apply_apply] using h₂ (e x)⟩
def
linear_isometry_equiv.of_bounds
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Construct a `linear_isometry_equiv` from a `linear_equiv` and two inequalities: `∀ x, ‖e x‖ ≤ ‖x‖` and `∀ y, ‖e.symm y‖ ≤ ‖y‖`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
norm_map (x : E) : ‖e x‖ = ‖x‖
e.norm_map' x
lemma
linear_isometry_equiv.norm_map
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_isometry : E →ₛₗᵢ[σ₁₂] E₂
⟨e.1, e.2⟩
def
linear_isometry_equiv.to_linear_isometry
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Reinterpret a `linear_isometry_equiv` as a `linear_isometry`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_isometry_injective : function.injective (to_linear_isometry : _ → E →ₛₗᵢ[σ₁₂] E₂)
λ x y h, coe_injective (congr_arg _ h : ⇑x.to_linear_isometry = _)
lemma
linear_isometry_equiv.to_linear_isometry_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_isometry_inj {f g : E ≃ₛₗᵢ[σ₁₂] E₂} : f.to_linear_isometry = g.to_linear_isometry ↔ f = g
to_linear_isometry_injective.eq_iff
lemma
linear_isometry_equiv.to_linear_isometry_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_to_linear_isometry : ⇑e.to_linear_isometry = e
rfl
lemma
linear_isometry_equiv.coe_to_linear_isometry
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
isometry : isometry e
e.to_linear_isometry.isometry
lemma
linear_isometry_equiv.isometry
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_isometry_equiv : E ≃ᵢ E₂
⟨e.to_linear_equiv.to_equiv, e.isometry⟩
def
linear_isometry_equiv.to_isometry_equiv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Reinterpret a `linear_isometry_equiv` as an `isometry_equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_isometry_equiv_injective : function.injective (to_isometry_equiv : (E ≃ₛₗᵢ[σ₁₂] E₂) → E ≃ᵢ E₂)
λ x y h, coe_injective (congr_arg _ h : ⇑x.to_isometry_equiv = _)
lemma
linear_isometry_equiv.to_isometry_equiv_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_isometry_equiv_inj {f g : E ≃ₛₗᵢ[σ₁₂] E₂} : f.to_isometry_equiv = g.to_isometry_equiv ↔ f = g
to_isometry_equiv_injective.eq_iff
lemma
linear_isometry_equiv.to_isometry_equiv_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
range_eq_univ (e : E ≃ₛₗᵢ[σ₁₂] E₂) : set.range e = set.univ
by { rw ← coe_to_isometry_equiv, exact isometry_equiv.range_eq_univ _, }
lemma
linear_isometry_equiv.range_eq_univ
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "isometry_equiv.range_eq_univ", "set.range" ]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_homeomorph : E ≃ₜ E₂
e.to_isometry_equiv.to_homeomorph
def
linear_isometry_equiv.to_homeomorph
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Reinterpret a `linear_isometry_equiv` as an `homeomorph`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_homeomorph_injective : function.injective (to_homeomorph : (E ≃ₛₗᵢ[σ₁₂] E₂) → E ≃ₜ E₂)
λ x y h, coe_injective (congr_arg _ h : ⇑x.to_homeomorph = _)
lemma
linear_isometry_equiv.to_homeomorph_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_homeomorph_inj {f g : E ≃ₛₗᵢ[σ₁₂] E₂} : f.to_homeomorph = g.to_homeomorph ↔ f = g
to_homeomorph_injective.eq_iff
lemma
linear_isometry_equiv.to_homeomorph_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_equiv : E ≃SL[σ₁₂] E₂
{ .. e.to_linear_isometry.to_continuous_linear_map, .. e.to_homeomorph }
def
linear_isometry_equiv.to_continuous_linear_equiv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Interpret a `linear_isometry_equiv` as a continuous linear equiv.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_equiv_injective : function.injective (to_continuous_linear_equiv : _ → E ≃SL[σ₁₂] E₂)
λ x y h, coe_injective (congr_arg _ h : ⇑x.to_continuous_linear_equiv = _)
lemma
linear_isometry_equiv.to_continuous_linear_equiv_injective
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_continuous_linear_equiv_inj {f g : E ≃ₛₗᵢ[σ₁₂] E₂} : f.to_continuous_linear_equiv = g.to_continuous_linear_equiv ↔ f = g
to_continuous_linear_equiv_injective.eq_iff
lemma
linear_isometry_equiv.to_continuous_linear_equiv_inj
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_to_continuous_linear_equiv : ⇑e.to_continuous_linear_equiv = e
rfl
lemma
linear_isometry_equiv.coe_to_continuous_linear_equiv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
refl : E ≃ₗᵢ[R] E
⟨linear_equiv.refl R E, λ x, rfl⟩
def
linear_isometry_equiv.refl
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Identity map as a `linear_isometry_equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
ulift : ulift E ≃ₗᵢ[R] E
{ norm_map' := λ x, rfl, .. continuous_linear_equiv.ulift }
def
linear_isometry_equiv.ulift
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "continuous_linear_equiv.ulift" ]
Linear isometry equiv between a space and its lift to another universe.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_refl : ⇑(refl R E) = id
rfl
lemma
linear_isometry_equiv.coe_refl
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm : E₂ ≃ₛₗᵢ[σ₂₁] E
⟨e.to_linear_equiv.symm, λ x, (e.norm_map _).symm.trans $ congr_arg norm $ e.to_linear_equiv.apply_symm_apply x⟩
def
linear_isometry_equiv.symm
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
The inverse `linear_isometry_equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
apply_symm_apply (x : E₂) : e (e.symm x) = x
e.to_linear_equiv.apply_symm_apply x
lemma
linear_isometry_equiv.apply_symm_apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_apply_apply (x : E) : e.symm (e x) = x
e.to_linear_equiv.symm_apply_apply x
lemma
linear_isometry_equiv.symm_apply_apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
map_eq_zero_iff {x : E} : e x = 0 ↔ x = 0
e.to_linear_equiv.map_eq_zero_iff
lemma
linear_isometry_equiv.map_eq_zero_iff
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_equiv_symm : e.to_linear_equiv.symm = e.symm.to_linear_equiv
rfl
lemma
linear_isometry_equiv.to_linear_equiv_symm
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
simps.apply (σ₁₂ : R →+* R₂) {σ₂₁ : R₂ →+* R} [ring_hom_inv_pair σ₁₂ σ₂₁] [ring_hom_inv_pair σ₂₁ σ₁₂] (E E₂ : Type*) [seminormed_add_comm_group E] [seminormed_add_comm_group E₂] [module R E] [module R₂ E₂] (h : E ≃ₛₗᵢ[σ₁₂] E₂) : E → E₂
h
def
linear_isometry_equiv.simps.apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "module", "ring_hom_inv_pair", "seminormed_add_comm_group" ]
See Note [custom simps projection]. We need to specify this projection explicitly in this case, because it is a composition of multiple projections.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
simps.symm_apply (σ₁₂ : R →+* R₂) {σ₂₁ : R₂ →+* R} [ring_hom_inv_pair σ₁₂ σ₂₁] [ring_hom_inv_pair σ₂₁ σ₁₂] (E E₂ : Type*) [seminormed_add_comm_group E] [seminormed_add_comm_group E₂] [module R E] [module R₂ E₂] (h : E ≃ₛₗᵢ[σ₁₂] E₂) : E₂ → E
h.symm initialize_simps_projections linear_isometry_equiv (to_linear_equiv_to_fun → apply, to_linear_equiv_inv_fun → symm_apply)
def
linear_isometry_equiv.simps.symm_apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[ "linear_isometry_equiv", "module", "ring_hom_inv_pair", "seminormed_add_comm_group" ]
See Note [custom simps projection]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
trans (e' : E₂ ≃ₛₗᵢ[σ₂₃] E₃) : E ≃ₛₗᵢ[σ₁₃] E₃
⟨e.to_linear_equiv.trans e'.to_linear_equiv, λ x, (e'.norm_map _).trans (e.norm_map _)⟩
def
linear_isometry_equiv.trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
Composition of `linear_isometry_equiv`s as a `linear_isometry_equiv`.
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_trans (e₁ : E ≃ₛₗᵢ[σ₁₂] E₂) (e₂ : E₂ ≃ₛₗᵢ[σ₂₃] E₃) : ⇑(e₁.trans e₂) = e₂ ∘ e₁
rfl
lemma
linear_isometry_equiv.coe_trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
trans_apply (e₁ : E ≃ₛₗᵢ[σ₁₂] E₂) (e₂ : E₂ ≃ₛₗᵢ[σ₂₃] E₃) (c : E) : (e₁.trans e₂ : E ≃ₛₗᵢ[σ₁₃] E₃) c = e₂ (e₁ c)
rfl
lemma
linear_isometry_equiv.trans_apply
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
to_linear_equiv_trans (e' : E₂ ≃ₛₗᵢ[σ₂₃] E₃) : (e.trans e').to_linear_equiv = e.to_linear_equiv.trans e'.to_linear_equiv
rfl
lemma
linear_isometry_equiv.to_linear_equiv_trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
trans_refl : e.trans (refl R₂ E₂) = e
ext $ λ x, rfl
lemma
linear_isometry_equiv.trans_refl
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
refl_trans : (refl R E).trans e = e
ext $ λ x, rfl
lemma
linear_isometry_equiv.refl_trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
self_trans_symm : e.trans e.symm = refl R E
ext e.symm_apply_apply
lemma
linear_isometry_equiv.self_trans_symm
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_trans_self : e.symm.trans e = refl R₂ E₂
ext e.apply_symm_apply
lemma
linear_isometry_equiv.symm_trans_self
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_comp_self : e.symm ∘ e = id
funext e.symm_apply_apply
lemma
linear_isometry_equiv.symm_comp_self
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
self_comp_symm : e ∘ e.symm = id
e.symm.symm_comp_self
lemma
linear_isometry_equiv.self_comp_symm
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
symm_trans (e₁ : E ≃ₛₗᵢ[σ₁₂] E₂) (e₂ : E₂ ≃ₛₗᵢ[σ₂₃] E₃) : (e₁.trans e₂).symm = e₂.symm.trans e₁.symm
rfl
lemma
linear_isometry_equiv.symm_trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_symm_trans (e₁ : E ≃ₛₗᵢ[σ₁₂] E₂) (e₂ : E₂ ≃ₛₗᵢ[σ₂₃] E₃) : ⇑(e₁.trans e₂).symm = e₁.symm ∘ e₂.symm
rfl
lemma
linear_isometry_equiv.coe_symm_trans
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
trans_assoc (eEE₂ : E ≃ₛₗᵢ[σ₁₂] E₂) (eE₂E₃ : E₂ ≃ₛₗᵢ[σ₂₃] E₃) (eE₃E₄ : E₃ ≃ₛₗᵢ[σ₃₄] E₄) : eEE₂.trans (eE₂E₃.trans eE₃E₄) = (eEE₂.trans eE₂E₃).trans eE₃E₄
rfl
lemma
linear_isometry_equiv.trans_assoc
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_one : ⇑(1 : E ≃ₗᵢ[R] E) = id
rfl
lemma
linear_isometry_equiv.coe_one
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_mul (e e' : E ≃ₗᵢ[R] E) : ⇑(e * e') = e ∘ e'
rfl
lemma
linear_isometry_equiv.coe_mul
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
coe_inv (e : E ≃ₗᵢ[R] E) : ⇑(e⁻¹) = e.symm
rfl
lemma
linear_isometry_equiv.coe_inv
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
one_def : (1 : E ≃ₗᵢ[R] E) = refl _ _
rfl
lemma
linear_isometry_equiv.one_def
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83
mul_def (e e' : E ≃ₗᵢ[R] E) : (e * e' : E ≃ₗᵢ[R] E) = e'.trans e
rfl
lemma
linear_isometry_equiv.mul_def
analysis.normed_space
src/analysis/normed_space/linear_isometry.lean
[ "analysis.normed.group.basic", "topology.algebra.module.basic", "linear_algebra.basis" ]
[]
https://github.com/leanprover-community/mathlib
65a1391a0106c9204fe45bc73a039f056558cb83