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/- Copyright (c) 2020 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau, Devon Tuma, Oliver Nash -/ module public import Mathlib.Algebra.Group.Submonoid.Membership public import Mathlib.Algebra.GroupWithZero.Associated public import Mathlib.Algebra.G...
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/- Copyright (c) 2021 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.Group.Subgroup.Pointwise public import Mathlib.Algebra.GroupWithZero.Submonoid.Pointwise /-! # Subgroups in a group with zero -/ @[e...
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/- Copyright (c) 2025 Xavier Roblot. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau, Xavier Roblot -/ module public import Mathlib.Algebra.Regular.Basic public import Mathlib.RingTheory.UniqueFactorizationDomain.NormalizedFactors /-! # Torsion-free monoids ...
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/- Copyright (c) 2014 Jeremy Avigad. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jeremy Avigad, Leonardo de Moura, Floris van Doorn, Amelia Livingston, Yury Kudryashov, Neil Strickland, Aaron Anderson -/ module public import Mathlib.Algebra.GroupWithZero.Units.Basi...
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/- Copyright (c) 2022 Yaël Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yaël Dillies -/ module public import Mathlib.Algebra.Group.Equiv.Defs public import Mathlib.Algebra.GroupWithZero.Hom /-! # Isomorphisms of monoids with zero -/ @[expose] public secti...
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/- Copyright (c) 2025 Antoine Chambert-Loir and Filippo Nuccio. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Antoine Chambert-Loir, María Inés de Frutos-Fernández, Filippo A. E. Nuccio -/ module public import Mathlib.Algebra.Group.Subgroup.Pointwise public import Ma...
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/- Copyright (c) 2020 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ module public import Mathlib.Algebra.GroupWithZero.Defs public import Mathlib.Algebra.NeZero /-! # `NeZero 1` in a nontrivial `MulZeroOneClass`. This file exists t...
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/- Copyright (c) 2020 Patrick Massot. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.Group.Hom.Basic public import Mathlib.Algebra.GroupWithZero.Basic /-! # Monoid with zero and group with zero homomorphisms This f...
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/- Copyright (c) 2018 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Jens Wagemaker -/ module public import Mathlib.Algebra.Prime.Lemmas public import Mathlib.Order.BoundedOrder.Basic /-! # Associated elements. In this file we define ...
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constructor · rintro ⟨x, hx, u, rfl⟩ refine ⟨x * u, ?_, mul_assoc ..⟩ simpa · rintro ⟨x, ⟨hx, rfl⟩⟩ use x theorem dvdNotUnit_of_lt {a b : Associates M} (hlt : a < b) : DvdNotUnit a b := by constructor · rintro rfl apply not_lt_of_ge _ hlt apply dvd_zero rcases hlt with ⟨⟨x, rfl⟩, ndvd⟩ ...
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/- Copyright (c) 2023 Yaël Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yaël Dillies -/ module public import Mathlib.Algebra.Group.ModEq public import Mathlib.Algebra.Field.Basic public import Mathlib.Tactic.MinImports /-! # Congruence modulo multiples of ...
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/- Copyright (c) 2018 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.Ring.Opposite public import Mathlib.Data.Int.Cast.Lemmas /-! # Field structure on the multiplica...
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/- Copyright (c) 2019 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Mario Carneiro -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Data.NNRat.Defs /-! # The rational numbers form a field This file contains th...
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/- Copyright (c) 2018 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl -/ module public import Mathlib.Algebra.Field.Basic public import Mathlib.Algebra.Ring.TransferInstance /-! # Transfer algebraic structures across `Equiv`s This conti...
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/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou, Johan Commelin -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.Ring.NegOnePow public import Mathlib.Tactic.NormNum /-! # Integer powers of `-1`...
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/- Copyright (c) 2014 Robert Y. Lewis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Robert Y. Lewis, Leonardo de Moura, Johannes Hölzl, Mario Carneiro -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Tactic.Common /-! # `IsField` predicate ...
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/- Copyright (c) 2014 Robert Y. Lewis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Robert Y. Lewis, Leonardo de Moura, Johannes Hölzl, Mario Carneiro -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.Ring.GrindInstances public import ...
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/- Copyright (c) 2023 Yaël Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yaël Dillies -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.GroupWithZero.ULift public import Mathlib.Algebra.Ring.ULift /-! # Field instances for `UL...
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/- Copyright (c) 2014 Robert Y. Lewis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Robert Y. Lewis, Leonardo de Moura, Johannes Hölzl, Mario Carneiro, Yaël Dillies -/ module public import Mathlib.Algebra.Ring.Defs public import Mathlib.Data.Rat.Init /-! # Division...
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/- Copyright (c) 2021 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison -/ module public import Mathlib.Algebra.Field.TransferInstance public import Mathlib.Logic.Small.Defs /-! # Transfer field structures from `α` to `Shrink α` -/ @[expose] ...
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/- Copyright (c) 2019 Neil Strickland. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Neil Strickland -/ module public import Mathlib.Algebra.Field.Basic public import Mathlib.Algebra.Ring.GeomSum /-! # Partial sums of geometric series in a field This file determine...
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/- Copyright (c) 2014 Robert Y. Lewis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Robert Y. Lewis, Leonardo de Moura, Johannes Hölzl, Mario Carneiro -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.Ring.Int.Parity /-! # Results abo...
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/- Copyright (c) 2023 Junyan Xu. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Junyan Xu -/ module public import Mathlib.Algebra.Field.IsField public import Mathlib.Algebra.Group.Units.Equiv public import Mathlib.Algebra.GroupWithZero.Equiv /-! # If a semiring is a ...
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/- Copyright (c) 2021 Benjamin Davidson. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Benjamin Davidson -/ module public import Mathlib.Algebra.Field.Opposite public import Mathlib.Algebra.Module.Opposite public import Mathlib.Algebra.Order.Archimedean.Basic public ...
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/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ module public import Mathlib.Algebra.Field.Basic public import Mathlib.Data.ZMod.Basic /-! # `ZMod p` is a field -/ @[expose] public section namespace ZMod variable (...
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/- Copyright (c) 2023 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ module public import Mathlib.Algebra.Field.Defs public import Mathlib.Algebra.Ring.MinimalAxioms /-! # Minimal Axioms for a Field This file defines constructors to def...
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/- Copyright (c) 2022 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison, Jireh Loreaux -/ module public import Mathlib.Algebra.Algebra.Subalgebra.Lattice public import Mathlib.Algebra.Algebra.Tower public import Mathlib.Algebra.Star.Module publ...
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@[deprecated isMulCommutative_adjoin (since := "2026-03-11")] abbrev adjoinCommSemiringOfComm {s : Set A} (hcomm : ∀ a ∈ s, ∀ b ∈ s, a * b = b * a) (hcomm_star : ∀ a ∈ s, ∀ b ∈ s, a * star b = star b * a) : CommSemiring (adjoin R s) := have := isMulCommutative_adjoin R hcomm hcomm_star inferInstance in...
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/- Copyright (c) 2025 Monica Omar. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Monica Omar -/ module public import Mathlib.Algebra.Central.Basic public import Mathlib.Algebra.Ring.Action.ConjAct public import Mathlib.Algebra.Star.StarAlgHom public import Mathlib.Al...
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/- Copyright (c) 2021 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser, Frédéric Dupuis -/ module public import Mathlib.Algebra.Star.SelfAdjoint public import Mathlib.Algebra.Module.Basic public import Mathlib.Algebra.Module.Equiv.Defs public im...
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/- Copyright (c) 2024 Yaël Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yaël Dillies -/ module public import Mathlib.Algebra.Field.Opposite public import Mathlib.Algebra.Star.Basic public import Mathlib.Data.NNRat.Defs public import Mathlib.Data.Rat.Cast.De...
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/- Copyright (c) 2025 Monica Omar. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Monica Omar -/ module public import Mathlib.Algebra.Star.Module public import Mathlib.LinearAlgebra.TensorProduct.Map /-! # The star structure on tensor products This file defines the ...
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/- Copyright (c) 2021 Frédéric Dupuis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Frédéric Dupuis -/ module public import Mathlib.Algebra.Group.Subgroup.Defs public import Mathlib.Algebra.Module.Defs public import Mathlib.Algebra.Star.Rat /-! # Self-adjoint, skew...
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/- Copyright (c) 2022 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.Ring.Prod public import Mathlib.Algebra.Star.Basic /-! # Basic Results about Star on Product Type This file provides basic results a...
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/- Copyright (c) 2022 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ module public import Mathlib.Algebra.Star.Basic public import Mathlib.Data.Set.Finite.Basic public import Mathlib.Data.Set.Lattice.Image public import Mathlib.Algebra....
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/- Copyright (c) 2022 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ module public import Mathlib.Algebra.Algebra.Equiv public import Mathlib.Algebra.Algebra.NonUnitalHom public import Mathlib.Algebra.Algebra.Prod public import Mathlib....
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/-- The inverse of a star algebra isomorphism is a star algebra isomorphism. -/ @[symm] nonrec def symm (e : A ≃⋆ₐ[R] B) : B ≃⋆ₐ[R] A := { e.symm with map_smul' := fun r b => by simpa only [apply_inv_apply, inv_apply_apply] using congr_arg (inv e) (map_smul e r (inv e b)).symm } /-- See Note [custo...
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/- Copyright (c) 2021 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.Star.Basic public import Mathlib.Algebra.Notation.Pi.Defs public import Mathlib.Algebra.Ring.Pi /-! # Basic Results about Star on Pi ...
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/- Copyright (c) 2023 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ module public import Mathlib.Algebra.Star.Basic public import Mathlib.Algebra.Star.Pointwise public import Mathlib.Algebra.Group.Center /-! # `Set.center`, `Set.centr...
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/- Copyright (c) 2020 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison -/ module public import Mathlib.Algebra.Group.Action.Opposite public import Mathlib.Algebra.Group.Action.Units public import Mathlib.Algebra.Group.Invertible.Defs public im...
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/- Copyright (c) 2024 Christopher Hoskin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christopher Hoskin -/ module public import Mathlib.Algebra.Star.NonUnitalSubsemiring public import Mathlib.Algebra.Ring.Subsemiring.Basic /-! # Star subrings A *-subring is a su...
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/- Copyright (c) 2024 Christopher Hoskin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christopher Hoskin -/ module public import Mathlib.Algebra.Ring.Defs public import Mathlib.Algebra.Group.Subsemigroup.Basic public import Mathlib.RingTheory.NonUnitalSubsemiring.B...
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/- Copyright (c) 2023 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ module public import Mathlib.Algebra.Algebra.NonUnitalSubalgebra public import Mathlib.Algebra.Star.StarAlgHom public import Mathlib.Algebra.Star.Center public import ...
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/-- The `NonUnitalStarSubalgebra` obtained from `S : NonUnitalSubalgebra R A` by taking the smallest non-unital subalgebra containing both `S` and `star S`. -/ def starClosure (S : NonUnitalSubalgebra R A) : NonUnitalStarSubalgebra R A where toNonUnitalSubalgebra := S ⊔ star S star_mem' {a} ha := by simpa [← me...
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variable [CommSemiring R] [StarRing R] variable [NonUnitalSemiring A] [StarRing A] [Module R A] variable [IsScalarTower R A A] [SMulCommClass R A A] [StarModule R A] variable (R) in lemma adjoin_le_centralizer_centralizer (s : Set A) : adjoin R s ≤ centralizer R (centralizer R s) := by rw [← toNonUnitalSubalgebr...
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/- Copyright (c) 2020 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison -/ module public import Mathlib.Algebra.CharP.Invertible public import Mathlib.Algebra.Order.Star.Basic public import Mathlib.Data.Real.Sqrt public import Mathlib.Data.Real...
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/- Copyright (c) 2025 Monica Omar. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Monica Omar -/ module public import Mathlib.Algebra.Algebra.Bilinear public import Mathlib.Algebra.WithConv public import Mathlib.Algebra.Star.Pi public import Mathlib.Algebra.Star.SelfA...
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/- Copyright (c) 2020 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.RingQuot public import Mathlib.Algebra.Star.Basic /-! # The *-ring structure on suitable quotients of a *-ring. -/ public section n...
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/- Copyright (c) 2024 Christopher Hoskin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christopher Hoskin -/ module public import Mathlib.Algebra.Ring.CentroidHom public import Mathlib.Algebra.Star.StarRingHom public import Mathlib.Algebra.Star.Subsemiring public im...
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/- Copyright (c) 2022 Frédéric Dupuis. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Shing Tak Lam, Frédéric Dupuis -/ module public import Mathlib.Algebra.Group.Submonoid.Operations public import Mathlib.Algebra.Star.SelfAdjoint public import Mathlib.Algebra.Algebra...
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/- Copyright (c) 2025 Monica Omar. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Monica Omar -/ module public import Mathlib.Algebra.Star.SelfAdjoint public import Mathlib.Algebra.Group.Idempotent public import Mathlib.Algebra.Ring.Idempotent /-! # Star projections ...
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/- Copyright (c) 2021 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.BigOperators.Finsupp.Basic public import Mathlib.Algebra.Star.SelfAdjoint /-! # Big-operators lemmas about `star` algebraic operation...
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/- Copyright (c) 2024 Christopher Hoskin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christopher Hoskin -/ module public import Mathlib.Algebra.Ring.Defs public import Mathlib.Algebra.Star.Basic /-! # Morphisms of star rings This file defines a new type of morph...
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/- Copyright (c) 2025 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ module public import Mathlib.Algebra.Star.Basic /-! # Morphisms of star monoids This file defines the type of morphisms `StarMonoidHom` between monoids `A` and `B` wh...
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/- Copyright (c) 2020 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ module public import Mathlib.Algebra.Star.Basic public import Mathlib.Algebra.FreeAlgebra /-! # A *-algebra structure on the free algebra. Reversing words gives a *-stru...
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/- Copyright (c) 2024 Yaël Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yaël Dillies -/ module public import Mathlib.Algebra.BigOperators.Pi public import Mathlib.Algebra.Star.Pi public import Mathlib.Algebra.Group.Pointwise.Set.Basic /-! # Conjugation-neg...
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/- Copyright (c) 2025 Xavier Généreux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Xavier Généreux, María Inés de Frutos Fernández -/ module public import Mathlib.Algebra.Algebra.Defs public import Mathlib.Algebra.SkewMonoidAlgebra.Basic /-! # Univariate skew polyn...
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/- Copyright (c) 2021 Yakov Pechersky. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yakov Pechersky -/ module public import Mathlib.Algebra.Order.AddGroupWithTop public import Mathlib.Algebra.Order.Monoid.Unbundled.MinMax public import Mathlib.Algebra.Order.Monoid.U...
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/- Copyright (c) 2021 Yakov Pechersky. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yakov Pechersky -/ module public import Mathlib.Data.List.MinMax public import Mathlib.Algebra.Tropical.Basic public import Mathlib.Order.ConditionallyCompleteLattice.Finset public i...
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/- Copyright (c) 2021 Yakov Pechersky. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yakov Pechersky -/ module public import Mathlib.Algebra.Tropical.Basic public import Mathlib.Order.ConditionallyCompleteLattice.Basic /-! # Order on tropical algebraic structure T...
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/- Copyright (c) 2022 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ module public import Mathlib.Algebra.FreeMonoid.Basic public import Mathlib.Algebra.Group.TypeTags.Basic /-! # `List.count` as a bundled homomorphism In this fil...
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/- Copyright (c) 2019 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Yury Kudryashov -/ module public import Mathlib.Algebra.Group.Action.Defs public import Mathlib.Algebra.Group.Units.Defs public import Mathlib.Algebra.Group.Equiv.Defs publi...
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/- Copyright (c) 2024 Hannah Fechtner. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Hannah Fechtner -/ module public import Mathlib.Algebra.FreeMonoid.Basic public import Mathlib.Data.Finset.Lattice.Lemmas /-! # The finite set of symbols in a FreeMonoid element Th...
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/- Copyright (c) 2022 Damiano Testa. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Damiano Testa -/ module public import Mathlib.Algebra.FreeMonoid.Basic public import Mathlib.Algebra.Group.UniqueProds.Basic public import Mathlib.Algebra.Order.Group.Nat /-! # Free m...
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/- Copyright (c) 2020 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.DirectSum.Module public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.Algebra.Lie.Ideal public import Mathlib.Algebra...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash, Jonathan Reich -/ module public import Mathlib.Algebra.Lie.Free public import Mathlib.Algebra.Lie.Quotient public import Mathlib.Data.Matrix.Cartan /-! # Serre construction...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Basic public import Mathlib.RingTheory.Artinian.Module /-! # Lie subalgebras This file defines Lie subalgebras of a Lie algebra ...
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/-- An injective Lie algebra morphism is an equivalence onto its range. -/ noncomputable def ofInjective (f : L₁ →ₗ⁅R⁆ L₂) (h : Function.Injective f) : L₁ ≃ₗ⁅R⁆ f.range := { LinearEquiv.ofInjective (f : L₁ →ₗ[R] L₂) <| by rwa [LieHom.coe_toLinearMap] with map_lie' {x y} := SetCoe.ext <| f.map_lie x y } @[simp] t...
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/- Copyright (c) 2025 Scott Carnahan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Carnahan -/ module public import Mathlib.Algebra.Lie.Abelian /-! # Lie algebra cohomology in low degree This file defines low degree cochains of Lie algebras with coefficients ...
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/- Copyright (c) 2020 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.Algebra.RingQuot public import Mathlib.LinearAlgebra.TensorAlgebra.Basic /-! # Universal enve...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Nilpotent public import Mathlib.Algebra.Lie.Normalizer /-! # Cartan subalgebras Cartan subalgebras are one of the most important...
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/- Copyright (c) 2024 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ module public import Mathlib.Algebra.Lie.Engel public import Mathlib.Algebra.Lie.Normalizer public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.Alg...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.LinearAlgebra.Matrix.Reindex public import Mathlib.LinearAlgebra.Matrix.ToLinearEquiv /-! # L...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Solvable public import Mathlib.Algebra.Lie.Quotient public import Mathlib.Algebra.Lie.Normalizer public import Mathlib.Algebra.Ord...
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use f x, ⟨g m_n, ih (Submodule.mem_map_of_mem h₁)⟩ simp [hfg x m_n, h₂] obtain ⟨y, n, hn⟩ := this rw [← hn] apply LieSubmodule.lie_mem_lie · simp · exact SetLike.coe_mem n variable [LieModule R L₂ M₂] (hg_inj : Injective g) include hg_inj hfg in theorem Function.Injective.lieModuleIsNilpoten...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Abelian public import Mathlib.Algebra.Lie.BaseChange public import Mathlib.Algebra.Lie.IdealOperations public import Mathlib.Order...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Ideal /-! # Ideal operations for Lie algebras Given a Lie module `M` over a Lie algebra `L`, there is a natural action of the Li...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Abelian public import Mathlib.LinearAlgebra.TensorProduct.Tower /-! # Tensor products of Lie modules Tensor products of Lie modu...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.Algebra.Lie.IdealOperations /-! # Trivial Lie modules and Abelian Lie algebras The action of...
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/- Copyright (c) 2024 Lucas Whitfield. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Lucas Whitfield, Johan Commelin -/ module public import Mathlib.Algebra.Lie.Weights.Basic public import Mathlib.RingTheory.Finiteness.Nilpotent /-! # Lie's theorem for Solvable Lie ...
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/- Copyright (c) 2024 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ module public import Mathlib.Algebra.Lie.EngelSubalgebra public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.Algebra.Module.LinearMap.Polynomial pu...
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/- Copyright (c) 2026 Leonid Ryvkin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Leonid Ryvkin -/ module public import Mathlib.Algebra.Lie.Ideal /-! ### Products of Lie algebras This file defines the Lie algebra structure the Product of two Lie algebras ## Main d...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Algebra.NonUnitalHom public import Mathlib.Algebra.Lie.Basic /-! # Lie algebras as non-unital, non-associative algebras The definiti...
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/- Copyright (c) 2024 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ module public import Mathlib.Algebra.Lie.Semisimple.Defs public import Mathlib.LinearAlgebra.BilinearForm.Orthogonal /-! # Lie algebras with non-degenerate invarian...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Basic public import Mathlib.Algebra.Lie.Subalgebra public import Mathlib.Algebra.Lie.Submodule public import Mathlib.Algebra.Algeb...
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/- Copyright (c) 2026 Scott Carnahan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Carnahan -/ module public import Mathlib.Algebra.DirectSum.Decomposition public import Mathlib.Algebra.Lie.Derivation.Basic /-! # Graded Lie algebras This file defines typecla...
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/- Copyright (c) 2024 Scott Carnahan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Carnahan -/ module public import Mathlib.Algebra.Exact public import Mathlib.Algebra.Lie.Cochain /-! # Extensions of Lie algebras This file defines extensions of Lie algebras, ...
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/- Copyright (c) 2020 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Matrix public import Mathlib.LinearAlgebra.Matrix.SesquilinearForm public import Mathlib.Tactic.NoncommRing /-! # Lie algebras of...
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/- Copyright (c) 2019 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Module.Submodule.Equiv public import Mathlib.Algebra.Module.Equiv.Basic public import Mathlib.Algebra.Module.Rat public import Mathlib...
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map_smulₛₗ _ _ _ := by rw [← coe_toLinearMap, map_smulₛₗ] @[simp] theorem map_lie (f : M →ₗ⁅R,L⁆ N) (x : L) (m : M) : f ⁅x, m⁆ = ⁅x, f m⁆ := LieModuleHom.map_lie' f variable [LieAlgebra R L] [LieModule R L N] [LieModule R L P] in theorem map_lie₂ (f : M →ₗ⁅R,L⁆ N →ₗ[R] P) (x : L) (m : M) (n : N) : ⁅x, f m n⁆ = ...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Ideal public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.LinearAlgebra.Isomorphisms public import Mathlib.RingT...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Submodule /-! # Lie Ideals This file defines Lie ideals, which are Lie submodules of a Lie algebra over itself. They are defined...
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/- Copyright (c) 2024 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.OfAssociative public import Mathlib.LinearAlgebra.Eigenspace.Basic public import Mathlib.LinearAlgebra.FreeModule.StrongRankCondit...
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/- Copyright (c) 2024 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ module public import Mathlib.Algebra.Lie.CartanSubalgebra public import Mathlib.Algebra.Lie.Rank /-! # Existence of Cartan subalgebras In this file we prove existe...
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/- Copyright (c) 2026 Scott Carnahan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Carnahan -/ module public import Mathlib.Algebra.Group.EvenFunction public import Mathlib.Algebra.Lie.Cochain public import Mathlib.Algebra.Lie.InvariantForm public import Mathl...
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/- Copyright (c) 2026 Leonid Ryvkin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Leonid Ryvkin -/ module public import Mathlib.Algebra.Lie.Derivation.Basic public import Mathlib.Algebra.Lie.Extension public import Mathlib.Algebra.Lie.Prod /-! # Semi-direct product...
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/- Copyright (c) 2023 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.InvariantForm public import Mathlib.Algebra.Lie.Semisimple.Basic public import Mathlib.Algebra.Lie.TraceForm /-! # Lie algebras w...
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/- Copyright (c) 2022 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.AdjointAction.Basic public import Mathlib.Algebra.Lie.Nilpotent public import Mathlib.Algebra.Lie.Normalizer /-! # Engel's theore...
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/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ module public import Mathlib.Algebra.Lie.Subalgebra public import Mathlib.LinearAlgebra.Finsupp.Span /-! # Lie submodules of a Lie algebra In this file we define Lie sub...
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have := Submodule.coe_iSup_of_directed _ hdir.directed_val simp_rw [← iSup_toSubmodule, Set.iUnion_coe_set, coe_toSubmodule] at this rw [← this, SetLike.coe_set_eq, sSup_eq_iSup, iSup_subtype] @[simp] lemma sSup_image_lieSpan_singleton : sSup ((fun x ↦ lieSpan R L {x}) '' N) = N := by refine le_antisymm (sSup_le...