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import Mathlib.Algebra.MvPolynomial.Variables #align_import data.mv_polynomial.comm_ring from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Finsupp AddMonoidAlgebra universe u v variable {R : Type u} {S : Type v} namespace MvPolynomial varia...
Mathlib/Algebra/MvPolynomial/CommRing.lean
100
102
theorem degrees_sub [DecidableEq σ] (p q : MvPolynomial σ R) : (p - q).degrees ≤ p.degrees ⊔ q.degrees := by
simpa only [sub_eq_add_neg] using le_trans (degrees_add p (-q)) (by rw [degrees_neg])
1
2.718282
0
0.833333
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723
import Mathlib.Algebra.MvPolynomial.Variables #align_import data.mv_polynomial.comm_ring from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Finsupp AddMonoidAlgebra universe u v variable {R : Type u} {S : Type v} namespace MvPolynomial varia...
Mathlib/Algebra/MvPolynomial/CommRing.lean
155
166
theorem eval₂Hom_X {R : Type u} (c : ℤ →+* S) (f : MvPolynomial R ℤ →+* S) (x : MvPolynomial R ℤ) : eval₂ c (f ∘ X) x = f x := by
apply MvPolynomial.induction_on x (fun n => by rw [hom_C f, eval₂_C] exact eq_intCast c n) (fun p q hp hq => by rw [eval₂_add, hp, hq] exact (f.map_add _ _).symm) (fun p n hp => by rw [eval₂_mul, eval₂_X, hp] exact (f.map_mul _ _).symm)
10
22,026.465795
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0.833333
6
723
import Mathlib.Algebra.MvPolynomial.Variables #align_import data.mv_polynomial.comm_ring from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Finsupp AddMonoidAlgebra universe u v variable {R : Type u} {S : Type v} namespace MvPolynomial varia...
Mathlib/Algebra/MvPolynomial/CommRing.lean
183
195
theorem degreeOf_sub_lt {x : σ} {f g : MvPolynomial σ R} {k : ℕ} (h : 0 < k) (hf : ∀ m : σ →₀ ℕ, m ∈ f.support → k ≤ m x → coeff m f = coeff m g) (hg : ∀ m : σ →₀ ℕ, m ∈ g.support → k ≤ m x → coeff m f = coeff m g) : degreeOf x (f - g) < k := by
classical rw [degreeOf_lt_iff h] intro m hm by_contra! hc have h := support_sub σ f g hm simp only [mem_support_iff, Ne, coeff_sub, sub_eq_zero] at hm cases' Finset.mem_union.1 h with cf cg · exact hm (hf m cf hc) · exact hm (hg m cg hc)
9
8,103.083928
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0.833333
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723
import Mathlib.Algebra.MvPolynomial.Variables #align_import data.mv_polynomial.comm_ring from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Finsupp AddMonoidAlgebra universe u v variable {R : Type u} {S : Type v} namespace MvPolynomial varia...
Mathlib/Algebra/MvPolynomial/CommRing.lean
203
204
theorem totalDegree_neg (a : MvPolynomial σ R) : (-a).totalDegree = a.totalDegree := by
simp only [totalDegree, support_neg]
1
2.718282
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0.833333
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import Mathlib.Algebra.MvPolynomial.Variables #align_import data.mv_polynomial.comm_ring from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Finsupp AddMonoidAlgebra universe u v variable {R : Type u} {S : Type v} namespace MvPolynomial varia...
Mathlib/Algebra/MvPolynomial/CommRing.lean
207
212
theorem totalDegree_sub (a b : MvPolynomial σ R) : (a - b).totalDegree ≤ max a.totalDegree b.totalDegree := calc (a - b).totalDegree = (a + -b).totalDegree := by
rw [sub_eq_add_neg] _ ≤ max a.totalDegree (-b).totalDegree := totalDegree_add a (-b) _ = max a.totalDegree b.totalDegree := by rw [totalDegree_neg]
3
20.085537
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0.833333
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import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
66
72
theorem add_self : a + a = 0 := by
have : a + a = a + a + (a + a) := calc a + a = (a + a) * (a + a) := by rw [mul_self] _ = a * a + a * a + (a * a + a * a) := by rw [add_mul, mul_add] _ = a + a + (a + a) := by rw [mul_self] rwa [self_eq_add_left] at this
6
403.428793
2
0.833333
6
724
import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
76
80
theorem neg_eq : -a = a := calc -a = -a + 0 := by
rw [add_zero] _ = -a + -a + a := by rw [← neg_add_self, add_assoc] _ = a := by rw [add_self, zero_add]
3
20.085537
1
0.833333
6
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import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
83
86
theorem add_eq_zero' : a + b = 0 ↔ a = b := calc a + b = 0 ↔ a = -b := add_eq_zero_iff_eq_neg _ ↔ a = b := by
rw [neg_eq]
1
2.718282
0
0.833333
6
724
import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
90
97
theorem mul_add_mul : a * b + b * a = 0 := by
have : a + b = a + b + (a * b + b * a) := calc a + b = (a + b) * (a + b) := by rw [mul_self] _ = a * a + a * b + (b * a + b * b) := by rw [add_mul, mul_add, mul_add] _ = a + a * b + (b * a + b) := by simp only [mul_self] _ = a + b + (a * b + b * a) := by abel rwa [self_eq_add_right] at ...
7
1,096.633158
2
0.833333
6
724
import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
101
101
theorem sub_eq_add : a - b = a + b := by
rw [sub_eq_add_neg, add_right_inj, neg_eq]
1
2.718282
0
0.833333
6
724
import Mathlib.Algebra.PUnitInstances import Mathlib.Tactic.Abel import Mathlib.Tactic.Ring import Mathlib.Order.Hom.Lattice #align_import algebra.ring.boolean_ring from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open scoped symmDiff variable {α β γ : Type*} class BooleanRing (α) ...
Mathlib/Algebra/Ring/BooleanRing.lean
105
105
theorem mul_one_add_self : a * (1 + a) = 0 := by
rw [mul_add, mul_one, mul_self, add_self]
1
2.718282
0
0.833333
6
724
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
52
77
theorem ContMDiffWithinAt.comp {t : Set M'} {g : M' → M''} (x : M) (hg : ContMDiffWithinAt I' I'' n g t (f x)) (hf : ContMDiffWithinAt I I' n f s x) (st : MapsTo f s t) : ContMDiffWithinAt I I'' n (g ∘ f) s x := by
rw [contMDiffWithinAt_iff] at hg hf ⊢ refine ⟨hg.1.comp hf.1 st, ?_⟩ set e := extChartAt I x set e' := extChartAt I' (f x) have : e' (f x) = (writtenInExtChartAt I I' x f) (e x) := by simp only [e, e', mfld_simps] rw [this] at hg have A : ∀ᶠ y in 𝓝[e.symm ⁻¹' s ∩ range I] e x, f (e.symm y) ∈ t ∧ f (e.sy...
23
9,744,803,446.248903
2
0.833333
6
725
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
81
84
theorem ContMDiffWithinAt.comp_of_eq {t : Set M'} {g : M' → M''} {x : M} {y : M'} (hg : ContMDiffWithinAt I' I'' n g t y) (hf : ContMDiffWithinAt I I' n f s x) (st : MapsTo f s t) (hx : f x = y) : ContMDiffWithinAt I I'' n (g ∘ f) s x := by
subst hx; exact hg.comp x hf st
1
2.718282
0
0.833333
6
725
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
119
122
theorem ContMDiff.comp {g : M' → M''} (hg : ContMDiff I' I'' n g) (hf : ContMDiff I I' n f) : ContMDiff I I'' n (g ∘ f) := by
rw [← contMDiffOn_univ] at hf hg ⊢ exact hg.comp hf subset_preimage_univ
2
7.389056
1
0.833333
6
725
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
244
248
theorem contMDiff_const : ContMDiff I I' n fun _ : M => c := by
intro x refine ⟨continuousWithinAt_const, ?_⟩ simp only [ContDiffWithinAtProp, (· ∘ ·)] exact contDiffWithinAt_const
4
54.59815
2
0.833333
6
725
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
252
253
theorem contMDiff_one [One M'] : ContMDiff I I' n (1 : M → M') := by
simp only [Pi.one_def, contMDiff_const]
1
2.718282
0
0.833333
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import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
262
262
theorem smooth_one [One M'] : Smooth I I' (1 : M → M') := by
simp only [Pi.one_def, smooth_const]
1
2.718282
0
0.833333
6
725
import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
57
83
theorem quasiSeparatedSpace_iff_affine (X : Scheme) : QuasiSeparatedSpace X.carrier ↔ ∀ U V : X.affineOpens, IsCompact (U ∩ V : Set X.carrier) := by
rw [quasiSeparatedSpace_iff] constructor · intro H U V; exact H U V U.1.2 U.2.isCompact V.1.2 V.2.isCompact · intro H suffices ∀ (U : Opens X.carrier) (_ : IsCompact U.1) (V : Opens X.carrier) (_ : IsCompact V.1), IsCompact (U ⊓ V).1 by intro U V hU hU' hV hV'; exact this ⟨U, hU⟩ hU' ⟨V...
25
72,004,899,337.38586
2
0.833333
6
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import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
86
114
theorem quasi_compact_affineProperty_iff_quasiSeparatedSpace {X Y : Scheme} [IsAffine Y] (f : X ⟶ Y) : QuasiCompact.affineProperty.diagonal f ↔ QuasiSeparatedSpace X.carrier := by
delta AffineTargetMorphismProperty.diagonal rw [quasiSeparatedSpace_iff_affine] constructor · intro H U V haveI : IsAffine _ := U.2 haveI : IsAffine _ := V.2 let g : pullback (X.ofRestrict U.1.openEmbedding) (X.ofRestrict V.1.openEmbedding) ⟶ X := pullback.fst ≫ X.ofRestrict _ -- Porting ...
27
532,048,240,601.79865
2
0.833333
6
726
import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
117
118
theorem quasiSeparated_eq_diagonal_is_quasiCompact : @QuasiSeparated = MorphismProperty.diagonal @QuasiCompact := by
ext; exact quasiSeparated_iff _
1
2.718282
0
0.833333
6
726
import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
121
123
theorem quasi_compact_affineProperty_diagonal_eq : QuasiCompact.affineProperty.diagonal = QuasiSeparated.affineProperty := by
funext; rw [quasi_compact_affineProperty_iff_quasiSeparatedSpace]; rfl
1
2.718282
0
0.833333
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import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
126
130
theorem quasiSeparated_eq_affineProperty_diagonal : @QuasiSeparated = targetAffineLocally QuasiCompact.affineProperty.diagonal := by
rw [quasiSeparated_eq_diagonal_is_quasiCompact, quasiCompact_eq_affineProperty] exact diagonal_targetAffineLocally_eq_targetAffineLocally _ QuasiCompact.affineProperty_isLocal
3
20.085537
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import Mathlib.AlgebraicGeometry.Morphisms.QuasiCompact import Mathlib.Topology.QuasiSeparated #align_import algebraic_geometry.morphisms.quasi_separated from "leanprover-community/mathlib"@"1a51edf13debfcbe223fa06b1cb353b9ed9751cc" noncomputable section open CategoryTheory CategoryTheory.Limits Opposite Topolog...
Mathlib/AlgebraicGeometry/Morphisms/QuasiSeparated.lean
133
135
theorem quasiSeparated_eq_affineProperty : @QuasiSeparated = targetAffineLocally QuasiSeparated.affineProperty := by
rw [quasiSeparated_eq_affineProperty_diagonal, quasi_compact_affineProperty_diagonal_eq]
1
2.718282
0
0.833333
6
726
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
103
105
theorem covBy_sup_of_inf_covBy_of_inf_covBy_right : a ⊓ b ⋖ a → a ⊓ b ⋖ b → b ⋖ a ⊔ b := by
rw [inf_comm, sup_comm] exact fun ha hb => covBy_sup_of_inf_covBy_of_inf_covBy_left hb ha
2
7.389056
1
0.833333
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727
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
127
129
theorem inf_covBy_of_covBy_sup_of_covBy_sup_right : a ⋖ a ⊔ b → b ⋖ a ⊔ b → a ⊓ b ⋖ b := by
rw [sup_comm, inf_comm] exact fun ha hb => inf_covBy_of_covBy_sup_of_covBy_sup_left hb ha
2
7.389056
1
0.833333
6
727
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
151
153
theorem covBy_sup_of_inf_covBy_right : a ⊓ b ⋖ b → a ⋖ a ⊔ b := by
rw [sup_comm, inf_comm] exact covBy_sup_of_inf_covBy_left
2
7.389056
1
0.833333
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727
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
181
183
theorem inf_covBy_of_covBy_sup_right : b ⋖ a ⊔ b → a ⊓ b ⋖ a := by
rw [inf_comm, sup_comm] exact inf_covBy_of_covBy_sup_left
2
7.389056
1
0.833333
6
727
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
216
217
theorem inf_sup_assoc_of_le {x : α} (y : α) {z : α} (h : z ≤ x) : x ⊓ y ⊔ z = x ⊓ (y ⊔ z) := by
rw [inf_comm, sup_comm, ← sup_inf_assoc_of_le y h, inf_comm, sup_comm]
1
2.718282
0
0.833333
6
727
import Mathlib.Order.Cover import Mathlib.Order.LatticeIntervals import Mathlib.Order.GaloisConnection #align_import order.modular_lattice from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Set variable {α : Type*} class IsWeakUpperModularLattice (α : Type*) [Lattice α] : Prop ...
Mathlib/Order/ModularLattice.lean
233
237
theorem eq_of_le_of_inf_le_of_le_sup (hxy : x ≤ y) (hinf : y ⊓ z ≤ x) (hsup : y ≤ x ⊔ z) : x = y := by
refine hxy.antisymm ?_ rw [← inf_eq_right, sup_inf_assoc_of_le _ hxy] at hsup rwa [← hsup, sup_le_iff, and_iff_right rfl.le, inf_comm]
3
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import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
56
61
theorem toFunBilinear_apply_eq_sum (a : A) (p : R[X]) : toFunBilinear R A a p = p.sum fun n r => monomial n (a * algebraMap R A r) := by
simp only [toFunBilinear_apply_apply, aeval_def, eval₂_eq_sum, Polynomial.sum, Finset.smul_sum] congr with i : 1 rw [← Algebra.smul_def, ← C_mul', mul_smul_comm, C_mul_X_pow_eq_monomial, ← Algebra.commutes, ← Algebra.smul_def, smul_monomial]
4
54.59815
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0.833333
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import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
80
82
theorem toFunLinear_mul_tmul_mul_aux_1 (p : R[X]) (k : ℕ) (h : Decidable ¬p.coeff k = 0) (a : A) : ite (¬coeff p k = 0) (a * (algebraMap R A) (coeff p k)) 0 = a * (algebraMap R A) (coeff p k) := by
classical split_ifs <;> simp [*]
1
2.718282
0
0.833333
6
728
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
85
91
theorem toFunLinear_mul_tmul_mul_aux_2 (k : ℕ) (a₁ a₂ : A) (p₁ p₂ : R[X]) : a₁ * a₂ * (algebraMap R A) ((p₁ * p₂).coeff k) = (Finset.antidiagonal k).sum fun x => a₁ * (algebraMap R A) (coeff p₁ x.1) * (a₂ * (algebraMap R A) (coeff p₂ x.2)) := by
simp_rw [mul_assoc, Algebra.commutes, ← Finset.mul_sum, mul_assoc, ← Finset.mul_sum] congr simp_rw [Algebra.commutes (coeff p₂ _), coeff_mul, map_sum, RingHom.map_mul]
3
20.085537
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0.833333
6
728
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
94
106
theorem toFunLinear_mul_tmul_mul (a₁ a₂ : A) (p₁ p₂ : R[X]) : (toFunLinear R A) ((a₁ * a₂) ⊗ₜ[R] (p₁ * p₂)) = (toFunLinear R A) (a₁ ⊗ₜ[R] p₁) * (toFunLinear R A) (a₂ ⊗ₜ[R] p₂) := by
classical simp only [toFunLinear_tmul_apply, toFunBilinear_apply_eq_sum] ext k simp_rw [coeff_sum, coeff_monomial, sum_def, Finset.sum_ite_eq', mem_support_iff, Ne] conv_rhs => rw [coeff_mul] simp_rw [finset_sum_coeff, coeff_monomial, Finset.sum_ite_eq', mem_support_iff, Ne, mul_ite, mul_ze...
10
22,026.465795
2
0.833333
6
728
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
109
111
theorem toFunLinear_one_tmul_one : toFunLinear R A (1 ⊗ₜ[R] 1) = 1 := by
rw [toFunLinear_tmul_apply, toFunBilinear_apply_apply, Polynomial.aeval_one, one_smul]
1
2.718282
0
0.833333
6
728
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.RingTheory.MatrixAlgebra #align_import ring_theory.polynomial_algebra from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" universe u v w open Polynomial Tensor...
Mathlib/RingTheory/PolynomialAlgebra.lean
138
139
theorem invFun_add {p q} : invFun R A (p + q) = invFun R A p + invFun R A q := by
simp only [invFun, eval₂_add]
1
2.718282
0
0.833333
6
728
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
54
57
theorem prod_of_support_subset (f : α →₀ M) {s : Finset α} (hs : f.support ⊆ s) (g : α → M → N) (h : ∀ i ∈ s, g i 0 = 1) : f.prod g = ∏ x ∈ s, g x (f x) := by
refine Finset.prod_subset hs fun x hxs hx => h x hxs ▸ (congr_arg (g x) ?_) exact not_mem_support_iff.1 hx
2
7.389056
1
0.833333
6
729
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
69
75
theorem prod_single_index {a : α} {b : M} {h : α → M → N} (h_zero : h a 0 = 1) : (single a b).prod h = h a b := calc (single a b).prod h = ∏ x ∈ {a}, h x (single a b x) := prod_of_support_subset _ support_single_subset h fun x hx => (mem_singleton.1 hx).symm ▸ h_zero _ = h a b := by
simp
1
2.718282
0
0.833333
6
729
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
101
104
theorem prod_ite_eq [DecidableEq α] (f : α →₀ M) (a : α) (b : α → M → N) : (f.prod fun x v => ite (a = x) (b x v) 1) = ite (a ∈ f.support) (b a (f a)) 1 := by
dsimp [Finsupp.prod] rw [f.support.prod_ite_eq]
2
7.389056
1
0.833333
6
729
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
115
119
theorem sum_ite_self_eq [DecidableEq α] {N : Type*} [AddCommMonoid N] (f : α →₀ N) (a : α) : (f.sum fun x v => ite (a = x) v 0) = f a := by
classical convert f.sum_ite_eq a fun _ => id simp [ite_eq_right_iff.2 Eq.symm]
3
20.085537
1
0.833333
6
729
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
124
127
theorem sum_ite_self_eq_aux [DecidableEq α] {N : Type*} [AddCommMonoid N] (f : α →₀ N) (a : α) : (if a ∈ f.support then f a else 0) = f a := by
simp only [mem_support_iff, ne_eq, ite_eq_left_iff, not_not] exact fun h ↦ h.symm
2
7.389056
1
0.833333
6
729
import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Data.Finsupp.Fin import Mathlib.Data.Finsupp.Indicator #align_import algebra.bi...
Mathlib/Algebra/BigOperators/Finsupp.lean
131
134
theorem prod_ite_eq' [DecidableEq α] (f : α →₀ M) (a : α) (b : α → M → N) : (f.prod fun x v => ite (x = a) (b x v) 1) = ite (a ∈ f.support) (b a (f a)) 1 := by
dsimp [Finsupp.prod] rw [f.support.prod_ite_eq']
2
7.389056
1
0.833333
6
729
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
104
105
theorem zero_right (a : ℤ) : J(a | 0) = 1 := by
simp only [jacobiSym, factors_zero, List.prod_nil, List.pmap]
1
2.718282
0
0.833333
6
730
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
110
111
theorem one_right (a : ℤ) : J(a | 1) = 1 := by
simp only [jacobiSym, factors_one, List.prod_nil, List.pmap]
1
2.718282
0
0.833333
6
730
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
116
118
theorem legendreSym.to_jacobiSym (p : ℕ) [fp : Fact p.Prime] (a : ℤ) : legendreSym p a = J(a | p) := by
simp only [jacobiSym, factors_prime fp.1, List.prod_cons, List.prod_nil, mul_one, List.pmap]
1
2.718282
0
0.833333
6
730
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
122
126
theorem mul_right' (a : ℤ) {b₁ b₂ : ℕ} (hb₁ : b₁ ≠ 0) (hb₂ : b₂ ≠ 0) : J(a | b₁ * b₂) = J(a | b₁) * J(a | b₂) := by
rw [jacobiSym, ((perm_factors_mul hb₁ hb₂).pmap _).prod_eq, List.pmap_append, List.prod_append] case h => exact fun p hp => (List.mem_append.mp hp).elim prime_of_mem_factors prime_of_mem_factors case _ => rfl
3
20.085537
1
0.833333
6
730
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
159
163
theorem mul_left (a₁ a₂ : ℤ) (b : ℕ) : J(a₁ * a₂ | b) = J(a₁ | b) * J(a₂ | b) := by
simp_rw [jacobiSym, List.pmap_eq_map_attach, legendreSym.mul _ _ _]; exact List.prod_map_mul (α := ℤ) (l := (factors b).attach) (f := fun x ↦ @legendreSym x {out := prime_of_mem_factors x.2} a₁) (g := fun x ↦ @legendreSym x {out := prime_of_mem_factors x.2} a₂)
4
54.59815
2
0.833333
6
730
import Mathlib.NumberTheory.LegendreSymbol.QuadraticReciprocity #align_import number_theory.legendre_symbol.jacobi_symbol from "leanprover-community/mathlib"@"74a27133cf29446a0983779e37c8f829a85368f3" section Jacobi open Nat ZMod -- Since we need the fact that the factors are prime, we use `List.pmap`. def ...
Mathlib/NumberTheory/LegendreSymbol/JacobiSymbol.lean
331
337
theorem value_at (a : ℤ) {R : Type*} [CommSemiring R] (χ : R →* ℤ) (hp : ∀ (p : ℕ) (pp : p.Prime), p ≠ 2 → @legendreSym p ⟨pp⟩ a = χ p) {b : ℕ} (hb : Odd b) : J(a | b) = χ b := by
conv_rhs => rw [← prod_factors hb.pos.ne', cast_list_prod, map_list_prod χ] rw [jacobiSym, List.map_map, ← List.pmap_eq_map Nat.Prime _ _ fun _ => prime_of_mem_factors] congr 1; apply List.pmap_congr exact fun p h pp _ => hp p pp (hb.ne_two_of_dvd_nat <| dvd_of_mem_factors h)
4
54.59815
2
0.833333
6
730
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
78
80
theorem eigenvectorUnitary_mulVec (j : n) : eigenvectorUnitary hA *ᵥ Pi.single j 1 = ⇑(hA.eigenvectorBasis j) := by
simp only [mulVec_single, eigenvectorUnitary_apply, mul_one]
1
2.718282
0
0.833333
6
731
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
82
84
theorem star_eigenvectorUnitary_mulVec (j : n) : (star (eigenvectorUnitary hA : Matrix n n 𝕜)) *ᵥ ⇑(hA.eigenvectorBasis j) = Pi.single j 1 := by
rw [← eigenvectorUnitary_mulVec, mulVec_mulVec, unitary.coe_star_mul_self, one_mulVec]
1
2.718282
0
0.833333
6
731
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
87
100
theorem star_mul_self_mul_eq_diagonal : (star (eigenvectorUnitary hA : Matrix n n 𝕜)) * A * (eigenvectorUnitary hA : Matrix n n 𝕜) = diagonal (RCLike.ofReal ∘ hA.eigenvalues) := by
apply Matrix.toEuclideanLin.injective apply Basis.ext (EuclideanSpace.basisFun n 𝕜).toBasis intro i simp only [toEuclideanLin_apply, OrthonormalBasis.coe_toBasis, EuclideanSpace.basisFun_apply, WithLp.equiv_single, ← mulVec_mulVec, eigenvectorUnitary_mulVec, ← mulVec_mulVec, mulVec_eigenvectorBasis, M...
11
59,874.141715
2
0.833333
6
731
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
106
111
theorem spectral_theorem : A = (eigenvectorUnitary hA : Matrix n n 𝕜) * diagonal (RCLike.ofReal ∘ hA.eigenvalues) * (star (eigenvectorUnitary hA : Matrix n n 𝕜)) := by
rw [← star_mul_self_mul_eq_diagonal, mul_assoc, mul_assoc, (Matrix.mem_unitaryGroup_iff).mp (eigenvectorUnitary hA).2, mul_one, ← mul_assoc, (Matrix.mem_unitaryGroup_iff).mp (eigenvectorUnitary hA).2, one_mul]
3
20.085537
1
0.833333
6
731
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
114
119
theorem eigenvalues_eq (i : n) : (hA.eigenvalues i) = RCLike.re (Matrix.dotProduct (star ⇑(hA.eigenvectorBasis i)) (A *ᵥ ⇑(hA.eigenvectorBasis i))):= by
simp only [mulVec_eigenvectorBasis, dotProduct_smul,← EuclideanSpace.inner_eq_star_dotProduct, inner_self_eq_norm_sq_to_K, RCLike.smul_re, hA.eigenvectorBasis.orthonormal.1 i, mul_one, algebraMap.coe_one, one_pow, RCLike.one_re]
3
20.085537
1
0.833333
6
731
import Mathlib.Analysis.InnerProductSpace.Spectrum import Mathlib.Data.Matrix.Rank import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Hermitian #align_import linear_algebra.matrix.spectrum from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/Spectrum.lean
123
126
theorem det_eq_prod_eigenvalues : det A = ∏ i, (hA.eigenvalues i : 𝕜) := by
convert congr_arg det hA.spectral_theorem rw [det_mul_right_comm] simp
3
20.085537
1
0.833333
6
731
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
58
61
theorem finrank_eq_of_rank_eq {n : ℕ} (h : Module.rank R M = ↑n) : finrank R M = n := by
apply_fun toNat at h rw [toNat_natCast] at h exact mod_cast h
3
20.085537
1
0.833333
6
732
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
72
75
theorem finrank_le_of_rank_le {n : ℕ} (h : Module.rank R M ≤ ↑n) : finrank R M ≤ n := by
rwa [← Cardinal.toNat_le_iff_le_of_lt_aleph0, toNat_natCast] at h · exact h.trans_lt (nat_lt_aleph0 n) · exact nat_lt_aleph0 n
3
20.085537
1
0.833333
6
732
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
78
81
theorem finrank_lt_of_rank_lt {n : ℕ} (h : Module.rank R M < ↑n) : finrank R M < n := by
rwa [← Cardinal.toNat_lt_iff_lt_of_lt_aleph0, toNat_natCast] at h · exact h.trans (nat_lt_aleph0 n) · exact nat_lt_aleph0 n
3
20.085537
1
0.833333
6
732
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
84
89
theorem lt_rank_of_lt_finrank {n : ℕ} (h : n < finrank R M) : ↑n < Module.rank R M := by
rwa [← Cardinal.toNat_lt_iff_lt_of_lt_aleph0, toNat_natCast] · exact nat_lt_aleph0 n · contrapose! h rw [finrank, Cardinal.toNat_apply_of_aleph0_le h] exact n.zero_le
5
148.413159
2
0.833333
6
732
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
92
93
theorem one_lt_rank_of_one_lt_finrank (h : 1 < finrank R M) : 1 < Module.rank R M := by
simpa using lt_rank_of_lt_finrank h
1
2.718282
0
0.833333
6
732
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
95
98
theorem finrank_le_finrank_of_rank_le_rank (h : lift.{w} (Module.rank R M) ≤ Cardinal.lift.{v} (Module.rank R N)) (h' : Module.rank R N < ℵ₀) : finrank R M ≤ finrank R N := by
simpa only [toNat_lift] using toNat_le_toNat h (lift_lt_aleph0.mpr h')
1
2.718282
0
0.833333
6
732
import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
116
119
theorem primeSpectrumProd_symm_inl_asIdeal (x : PrimeSpectrum R) : ((primeSpectrumProd R S).symm <| Sum.inl x).asIdeal = Ideal.prod x.asIdeal ⊤ := by
cases x rfl
2
7.389056
1
0.833333
6
733
import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
123
126
theorem primeSpectrumProd_symm_inr_asIdeal (x : PrimeSpectrum S) : ((primeSpectrumProd R S).symm <| Sum.inr x).asIdeal = Ideal.prod ⊤ x.asIdeal := by
cases x rfl
2
7.389056
1
0.833333
6
733
import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
147
149
theorem zeroLocus_span (s : Set R) : zeroLocus (Ideal.span s : Set R) = zeroLocus s := by
ext x exact (Submodule.gi R R).gc s x.asIdeal
2
7.389056
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0.833333
6
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import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
164
169
theorem coe_vanishingIdeal (t : Set (PrimeSpectrum R)) : (vanishingIdeal t : Set R) = { f : R | ∀ x : PrimeSpectrum R, x ∈ t → f ∈ x.asIdeal } := by
ext f rw [vanishingIdeal, SetLike.mem_coe, Submodule.mem_iInf] apply forall_congr'; intro x rw [Submodule.mem_iInf]
4
54.59815
2
0.833333
6
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import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
172
174
theorem mem_vanishingIdeal (t : Set (PrimeSpectrum R)) (f : R) : f ∈ vanishingIdeal t ↔ ∀ x : PrimeSpectrum R, x ∈ t → f ∈ x.asIdeal := by
rw [← SetLike.mem_coe, coe_vanishingIdeal, Set.mem_setOf_eq]
1
2.718282
0
0.833333
6
733
import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
178
179
theorem vanishingIdeal_singleton (x : PrimeSpectrum R) : vanishingIdeal ({x} : Set (PrimeSpectrum R)) = x.asIdeal := by
simp [vanishingIdeal]
1
2.718282
0
0.833333
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import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
109
112
theorem HasDerivWithinAt.inner {f g : ℝ → E} {f' g' : E} {s : Set ℝ} {x : ℝ} (hf : HasDerivWithinAt f f' s x) (hg : HasDerivWithinAt g g' s x) : HasDerivWithinAt (fun t => ⟪f t, g t⟫) (⟪f x, g'⟫ + ⟪f', g x⟫) s x := by
simpa using (hf.hasFDerivWithinAt.inner 𝕜 hg.hasFDerivWithinAt).hasDerivWithinAt
1
2.718282
0
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
115
118
theorem HasDerivAt.inner {f g : ℝ → E} {f' g' : E} {x : ℝ} : HasDerivAt f f' x → HasDerivAt g g' x → HasDerivAt (fun t => ⟪f t, g t⟫) (⟪f x, g'⟫ + ⟪f', g x⟫) x := by
simpa only [← hasDerivWithinAt_univ] using HasDerivWithinAt.inner 𝕜
1
2.718282
0
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
310
313
theorem differentiableWithinAt_euclidean : DifferentiableWithinAt 𝕜 f t y ↔ ∀ i, DifferentiableWithinAt 𝕜 (fun x => f x i) t y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_differentiableWithinAt_iff, differentiableWithinAt_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
316
319
theorem differentiableAt_euclidean : DifferentiableAt 𝕜 f y ↔ ∀ i, DifferentiableAt 𝕜 (fun x => f x i) y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_differentiableAt_iff, differentiableAt_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
322
325
theorem differentiableOn_euclidean : DifferentiableOn 𝕜 f t ↔ ∀ i, DifferentiableOn 𝕜 (fun x => f x i) t := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_differentiableOn_iff, differentiableOn_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
328
330
theorem differentiable_euclidean : Differentiable 𝕜 f ↔ ∀ i, Differentiable 𝕜 fun x => f x i := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_differentiable_iff, differentiable_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
333
337
theorem hasStrictFDerivAt_euclidean : HasStrictFDerivAt f f' y ↔ ∀ i, HasStrictFDerivAt (fun x => f x i) (EuclideanSpace.proj i ∘L f') y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_hasStrictFDerivAt_iff, hasStrictFDerivAt_pi'] rfl
2
7.389056
1
0.833333
12
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import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
340
344
theorem hasFDerivWithinAt_euclidean : HasFDerivWithinAt f f' t y ↔ ∀ i, HasFDerivWithinAt (fun x => f x i) (EuclideanSpace.proj i ∘L f') t y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_hasFDerivWithinAt_iff, hasFDerivWithinAt_pi'] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
347
350
theorem contDiffWithinAt_euclidean {n : ℕ∞} : ContDiffWithinAt 𝕜 n f t y ↔ ∀ i, ContDiffWithinAt 𝕜 n (fun x => f x i) t y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_contDiffWithinAt_iff, contDiffWithinAt_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
353
356
theorem contDiffAt_euclidean {n : ℕ∞} : ContDiffAt 𝕜 n f y ↔ ∀ i, ContDiffAt 𝕜 n (fun x => f x i) y := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_contDiffAt_iff, contDiffAt_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
359
362
theorem contDiffOn_euclidean {n : ℕ∞} : ContDiffOn 𝕜 n f t ↔ ∀ i, ContDiffOn 𝕜 n (fun x => f x i) t := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_contDiffOn_iff, contDiffOn_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.Analysis.InnerProductSpace.PiL2 import Mathlib.Analysis.SpecialFunctions.Sqrt import Mathlib.Analysis.NormedSpace.HomeomorphBall #align_import analysis.inner_product_space.calculus from "leanprover-community/mathlib"@"f9dd3204df14a0749cd456fac1e6849dfe7d2b88" noncomputable section open RCLike Real ...
Mathlib/Analysis/InnerProductSpace/Calculus.lean
365
367
theorem contDiff_euclidean {n : ℕ∞} : ContDiff 𝕜 n f ↔ ∀ i, ContDiff 𝕜 n fun x => f x i := by
rw [← (EuclideanSpace.equiv ι 𝕜).comp_contDiff_iff, contDiff_pi] rfl
2
7.389056
1
0.833333
12
734
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
134
135
theorem basisOf_apply (i : ι) (j : { j : ι // j ≠ i }) : b.basisOf i j = b ↑j -ᵥ b i := by
simp [basisOf]
1
2.718282
0
0.833333
6
735
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
139
143
theorem basisOf_reindex (i : ι') : (b.reindex e).basisOf i = (b.basisOf <| e.symm i).reindex (e.subtypeEquiv fun _ => e.eq_symm_apply.not) := by
ext j simp
2
7.389056
1
0.833333
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735
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
162
164
theorem coord_reindex (i : ι') : (b.reindex e).coord i = b.coord (e.symm i) := by
ext classical simp [AffineBasis.coord]
2
7.389056
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0.833333
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735
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
168
170
theorem coord_apply_eq (i : ι) : b.coord i (b i) = 1 := by
simp only [coord, Basis.coe_sumCoords, LinearEquiv.map_zero, LinearEquiv.coe_coe, sub_zero, AffineMap.coe_mk, Finsupp.sum_zero_index, vsub_self]
2
7.389056
1
0.833333
6
735
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
174
179
theorem coord_apply_ne (h : i ≠ j) : b.coord i (b j) = 0 := by
-- Porting note: -- in mathlib3 we didn't need to given the `fun j => j ≠ i` argument to `Subtype.coe_mk`, -- but I don't think we can complain: this proof was over-golfed. rw [coord, AffineMap.coe_mk, ← @Subtype.coe_mk _ (fun j => j ≠ i) j h.symm, ← b.basisOf_apply, Basis.sumCoords_self_apply, sub_self]
5
148.413159
2
0.833333
6
735
import Mathlib.LinearAlgebra.AffineSpace.Independent import Mathlib.LinearAlgebra.Basis #align_import linear_algebra.affine_space.basis from "leanprover-community/mathlib"@"2de9c37fa71dde2f1c6feff19876dd6a7b1519f0" open Affine open Set universe u₁ u₂ u₃ u₄ structure AffineBasis (ι : Type u₁) (k : Type u₂) {V ...
Mathlib/LinearAlgebra/AffineSpace/Basis.lean
182
183
theorem coord_apply [DecidableEq ι] (i j : ι) : b.coord i (b j) = if i = j then 1 else 0 := by
rcases eq_or_ne i j with h | h <;> simp [h]
1
2.718282
0
0.833333
6
735
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
36
42
theorem P_is_eventually_constant {q n : ℕ} (hqn : n ≤ q) : ((P (q + 1)).f n : X _[n] ⟶ _) = (P q).f n := by
rcases n with (_|n) · simp only [Nat.zero_eq, P_f_0_eq] · simp only [P_succ, add_right_eq_self, comp_add, HomologicalComplex.comp_f, HomologicalComplex.add_f_apply, comp_id] exact (HigherFacesVanish.of_P q n).comp_Hσ_eq_zero (Nat.succ_le_iff.mp hqn)
5
148.413159
2
0.833333
6
736
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
46
48
theorem Q_is_eventually_constant {q n : ℕ} (hqn : n ≤ q) : ((Q (q + 1)).f n : X _[n] ⟶ _) = (Q q).f n := by
simp only [Q, HomologicalComplex.sub_f_apply, P_is_eventually_constant hqn]
1
2.718282
0
0.833333
6
736
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
78
80
theorem QInfty_f_0 : (QInfty.f 0 : X _[0] ⟶ X _[0]) = 0 := by
dsimp [QInfty] simp only [sub_self]
2
7.389056
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0.833333
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import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
104
105
theorem PInfty_f_idem (n : ℕ) : (PInfty.f n : X _[n] ⟶ _) ≫ PInfty.f n = PInfty.f n := by
simp only [PInfty_f, P_f_idem]
1
2.718282
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0.833333
6
736
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
110
112
theorem PInfty_idem : (PInfty : K[X] ⟶ _) ≫ PInfty = PInfty := by
ext n exact PInfty_f_idem n
2
7.389056
1
0.833333
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736
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
123
125
theorem QInfty_idem : (QInfty : K[X] ⟶ _) ≫ QInfty = QInfty := by
ext n exact QInfty_f_idem n
2
7.389056
1
0.833333
6
736
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
76
80
theorem UniformInducing.of_comp_iff {g : β → γ} (hg : UniformInducing g) {f : α → β} : UniformInducing (g ∘ f) ↔ UniformInducing f := by
refine ⟨fun h ↦ ?_, hg.comp⟩ rw [uniformInducing_iff, ← hg.comap_uniformity, comap_comap, ← h.comap_uniformity, Function.comp, Function.comp]
3
20.085537
1
0.833333
6
737
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
88
90
theorem UniformInducing.cauchy_map_iff {f : α → β} (hf : UniformInducing f) {F : Filter α} : Cauchy (map f F) ↔ Cauchy F := by
simp only [Cauchy, map_neBot_iff, prod_map_map_eq, map_le_iff_le_comap, ← hf.comap_uniformity]
1
2.718282
0
0.833333
6
737
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
93
97
theorem uniformInducing_of_compose {f : α → β} {g : β → γ} (hf : UniformContinuous f) (hg : UniformContinuous g) (hgf : UniformInducing (g ∘ f)) : UniformInducing f := by
refine ⟨le_antisymm ?_ hf.le_comap⟩ rw [← hgf.1, ← Prod.map_def, ← Prod.map_def, ← Prod.map_comp_map f f g g, ← comap_comap] exact comap_mono hg.le_comap
3
20.085537
1
0.833333
6
737
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
104
107
theorem UniformInducing.uniformContinuous_iff {f : α → β} {g : β → γ} (hg : UniformInducing g) : UniformContinuous f ↔ UniformContinuous (g ∘ f) := by
dsimp only [UniformContinuous, Tendsto] rw [← hg.comap_uniformity, ← map_le_iff_le_comap, Filter.map_map]; rfl
2
7.389056
1
0.833333
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737
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
110
114
theorem UniformInducing.uniformContinuousOn_iff {f : α → β} {g : β → γ} {S : Set α} (hg : UniformInducing g) : UniformContinuousOn f S ↔ UniformContinuousOn (g ∘ f) S := by
dsimp only [UniformContinuousOn, Tendsto] rw [← hg.comap_uniformity, ← map_le_iff_le_comap, Filter.map_map, comp_def, comp_def]
2
7.389056
1
0.833333
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737
import Mathlib.Topology.UniformSpace.Cauchy import Mathlib.Topology.UniformSpace.Separation import Mathlib.Topology.DenseEmbedding #align_import topology.uniform_space.uniform_embedding from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Filter Function Set Uniformity Topology sec...
Mathlib/Topology/UniformSpace/UniformEmbedding.lean
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theorem UniformInducing.inducing {f : α → β} (h : UniformInducing f) : Inducing f := by
obtain rfl := h.comap_uniformSpace exact inducing_induced f
2
7.389056
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0.833333
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import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
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theorem HasProd.inv (h : HasProd f a) : HasProd (fun b ↦ (f b)⁻¹) a⁻¹ := by
simpa only using h.map (MonoidHom.id α)⁻¹ continuous_inv
1
2.718282
0
0.833333
6
738
import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
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theorem Multipliable.of_inv (hf : Multipliable fun b ↦ (f b)⁻¹) : Multipliable f := by
simpa only [inv_inv] using hf.inv
1
2.718282
0
0.833333
6
738
import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
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theorem HasProd.div (hf : HasProd f a₁) (hg : HasProd g a₂) : HasProd (fun b ↦ f b / g b) (a₁ / a₂) := by
simp only [div_eq_mul_inv] exact hf.mul hg.inv
2
7.389056
1
0.833333
6
738
import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
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theorem Multipliable.trans_div (hg : Multipliable g) (hfg : Multipliable fun b ↦ f b / g b) : Multipliable f := by
simpa only [div_mul_cancel] using hfg.mul hg
1
2.718282
0
0.833333
6
738
import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
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theorem HasProd.update (hf : HasProd f a₁) (b : β) [DecidableEq β] (a : α) : HasProd (update f b a) (a / f b * a₁) := by
convert (hasProd_ite_eq b (a / f b)).mul hf with b' by_cases h : b' = b · rw [h, update_same] simp [eq_self_iff_true, if_true, sub_add_cancel] · simp only [h, update_noteq, if_false, Ne, one_mul, not_false_iff]
5
148.413159
2
0.833333
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738