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Prod.lean
/- Copyright (c) 2020 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.RingTheory.Ideal.Maps /-! # Ideals in product rings For commutative rings `R` and `S` and ideals `I ≤ R`, `J ≤ S`, we define `Ideal.prod I J` as the pr...
cyclic.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice. From mathcomp Require Import div fintype bigo...
Disjointed.lean
/- Copyright (c) 2025 David Loeffler. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Loeffler -/ import Mathlib.Algebra.Order.PartialSups import Mathlib.Data.Nat.SuccPred import Mathlib.Order.Disjointed /-! # `Disjointed` for functions on a `SuccAddOrder` This ...
DifferentialRing.lean
/- Copyright (c) 2024 Daniel Weber. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Daniel Weber -/ import Mathlib.RingTheory.Derivation.Basic /-! # Differential and Algebras This file defines derivations from a commutative ring to itself as a typeclass, which lets us...
FractionRing.lean
/- Copyright (c) 2018 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau, Mario Carneiro, Johan Commelin, Amelia Livingston, Anne Baanen -/ import Mathlib.Algebra.Ring.Hom.InjSurj import Mathlib.Algebra.Field.Equiv import Mathlib.Algebra.Field.Subfield...
Partition.lean
/- Copyright (c) 2021 Arthur Paulino. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Arthur Paulino, Kyle Miller -/ import Mathlib.Combinatorics.SimpleGraph.Coloring /-! # Graph partitions This module provides an interface for dealing with partitions on simple graphs...
Closure.lean
/- Copyright (c) 2023 Thomas Browning. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Thomas Browning -/ import Mathlib.RingTheory.SimpleRing.Basic import Mathlib.FieldTheory.Normal.Basic import Mathlib.Order.Closure import Mathlib.LinearAlgebra.FreeModule.Finite.Matr...
ExtractGoal.lean
/- Copyright (c) 2017 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Kyle Miller, Damiano Testa -/ import Lean.Elab.Term import Lean.Elab.Tactic.ElabTerm import Lean.Meta.Tactic.Cleanup import Lean.PrettyPrinter import Batteries.Lean.Meta.Inac...
Defs.lean
/- Copyright (c) 2020 Joseph Myers. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Myers -/ import Mathlib.Order.Atoms import Mathlib.LinearAlgebra.Span.Defs import Mathlib.LinearAlgebra.AffineSpace.Defs /-! # Affine spaces This file defines affine subspaces (...
Qify.lean
import Mathlib.Algebra.Order.Field.Rat import Mathlib.Data.Int.CharZero import Mathlib.Tactic.Qify example (a b : ℕ) : (a : ℚ) ≤ b ↔ a ≤ b := by qify example (a b : ℕ) : (a : ℚ) < b ↔ a < b := by qify example (a b : ℕ) : (a : ℚ) = b ↔ a = b := by qify example (a b : ℕ) : (a : ℚ) ≠ b ↔ a ≠ b := by qify example (a b : ...
ForgetCorepresentable.lean
/- Copyright (c) 2024 Sophie Morel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sophie Morel -/ import Mathlib.Algebra.Category.MonCat.Basic import Mathlib.Algebra.Group.Equiv.Basic import Mathlib.Algebra.Group.Nat.Hom import Mathlib.CategoryTheory.Yoneda /-! # The...
Dirichlet.lean
/- Copyright (c) 2024 Michael Stoll. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Michael Stoll -/ import Mathlib.NumberTheory.DirichletCharacter.Bounds import Mathlib.NumberTheory.LSeries.Convolution import Mathlib.NumberTheory.LSeries.Deriv import Mathlib.NumberThe...
Kaehler.lean
/- Copyright (c) 2024 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.RingTheory.Extension.Cotangent.Basic import Mathlib.RingTheory.Smooth.Basic import Mathlib.Algebra.Module.Projective import Mathlib.Tactic.StacksAttribute /...
Addition.lean
/- Copyright (c) 2021 Aaron Anderson. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Aaron Anderson -/ import Mathlib.Algebra.BigOperators.Group.Finset.Basic import Mathlib.Algebra.Group.Pi.Lemmas import Mathlib.Algebra.Group.Support import Mathlib.Algebra.Module.Basic...
Strict.lean
/- Copyright (c) 2025 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou, Christian Merten -/ import Mathlib.CategoryTheory.Bicategory.Functor.Pseudofunctor import Mathlib.CategoryTheory.CommSq /-! # Pseudofunctors from strict bicategory This file pr...
Quotient.lean
/- Copyright (c) 2022 Alex Kontorovich and Heather Macbeth. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Alex Kontorovich, Heather Macbeth -/ import Mathlib.Algebra.Group.Opposite import Mathlib.MeasureTheory.Constructions.Polish.Basic import Mathlib.MeasureTheory.Gr...
Matrix.lean
/- Copyright (c) 2024 Jujian Zhang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jujian Zhang, Yunzhou Xie -/ import Mathlib.Algebra.Central.Basic import Mathlib.Data.Matrix.Basis /-! # The matrix algebra is a central algebra -/ namespace Algebra.IsCentral variabl...
Degree.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Johannes Hölzl, Kim Morrison, Jens Wagemaker -/ import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.Degree.Support import Mathlib.Algebra...
PartitionOfUnity.lean
/- Copyright (c) 2021 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Geometry.Manifold.Algebra.Structures import Mathlib.Geometry.Manifold.BumpFunction import Mathlib.Topology.MetricSpace.PartitionOfUnity import Mathli...
Quotient.lean
/- Copyright (c) 2020 Anne Baanen. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Anne Baanen, Yongle Hu -/ import Mathlib.Algebra.Group.Subgroup.Actions import Mathlib.RingTheory.FiniteType import Mathlib.RingTheory.Ideal.Pointwise import Mathlib.RingTheory.Ideal.Over...
ssrfun.v
From mathcomp Require Import ssreflect. From Corelib Require Export ssrfun. From mathcomp Require Export ssrnotations. #[export] Set Warnings "-overwriting-delimiting-key". (* remove above line when requiring Rocq >= 9.0 *) Set Implicit Arguments. Unset Strict Implicit. Unset Printing Implicit Defensive. (***********...
GeneralLinearGroup.lean
/- Copyright (c) 2019 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ import Mathlib.Algebra.Module.Equiv.Basic /-! # The general linear group of linear maps The general linear group is defined to be the group of invertible linear map...
Layercake.lean
/- Copyright (c) 2022 Kalle Kytölä. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kalle Kytölä -/ import Mathlib.MeasureTheory.Integral.IntervalIntegral.Basic /-! # The layer cake formula / Cavalieri's principle / tail probability formula In this file we prove the f...
Defs.lean
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Leonardo de Moura, Jeremy Avigad, Mario Carneiro -/ import Batteries.Data.Nat.Gcd import Mathlib.Algebra.Group.Nat.Units import Mathlib.Algebra.GroupWithZero.Nat import Mathlib....
Tower.lean
/- Copyright (c) 2020 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau -/ import Mathlib.RingTheory.Adjoin.FG /-! # Adjoining elements and being finitely generated in an algebra tower ## Main results * `Algebra.fg_trans'`: if `S` is finitely gener...
Basic.lean
/- Copyright (c) 2014 Jeremy Avigad. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jeremy Avigad, Mario Carneiro, Yaël Dillies -/ import Mathlib.Data.Nat.Basic import Mathlib.Data.Int.Order.Basic import Mathlib.Logic.Function.Iterate import Mathlib.Order.Compare impor...
Scheme.lean
/- Copyright (c) 2020 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison -/ import Mathlib.AlgebraicGeometry.Spec import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.CategoryTheory.Elementwise /-! # The category of schemes A schem...
Exterior.lean
import Mathlib.Topology.Compactness.NhdsKer deprecated_module (since := "2025-07-09")
vcharacter.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path. From mathcomp Require Import div choice fintype...
Tower.lean
/- Copyright (c) 2020 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau -/ import Mathlib.RingTheory.Noetherian.Basic /-! # Finiteness of `IsScalarTower` We prove that given `IsScalarTower F K A`, if `A` is finite as a module over `F` then `A` is fi...
Lemmas.lean
/- Copyright (c) 2023 Yael Dillies. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yael Dillies -/ import Batteries.Tactic.Init import Mathlib.Tactic.ToAdditive import Mathlib.Tactic.Lemma import Mathlib.Tactic.TypeStar import Mathlib.Util.AssertExists /-! # Lemmas ab...
Operations.lean
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Mario Carneiro -/ import Mathlib.Algebra.Order.Group.Indicator import Mathlib.MeasureTheory.OuterMeasure.Basic /-! # Operations on outer measures In this file we defi...
SubboxInduction.lean
/- Copyright (c) 2021 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.BoxIntegral.Box.Basic import Mathlib.Analysis.SpecificLimits.Basic /-! # Induction on subboxes In this file we prove the following inducti...
Basic.lean
/- Copyright (c) 2024 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Limits.Preorder /-! # Limits and colimits indexed by preorders In this file, we obtain the following very basic results about limits and colimit...
Defs.lean
/- Copyright (c) 2020 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Kim Morrison, Adam Topaz -/ import Mathlib.CategoryTheory.Opposites import Mathlib.Order.Fin.Basic import Mathlib.Util.Superscript /-! # The simplex category We constru...
Basic.lean
/- Copyright (c) 2019 Kenny Lau. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kenny Lau -/ import Mathlib.Algebra.Polynomial.Roots import Mathlib.RingTheory.FiniteType import Mathlib.RingTheory.IntegralClosure.Algebra.Basic import Mathlib.RingTheory.IntegralClosure.I...
Real.lean
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Mario Carneiro -/ import Mathlib.Data.Rat.Encodable import Mathlib.Topology.MetricSpace.Isometry import Mathlib.Topology.MetricSpace.ProperSpace import Mathlib.Topology...
Datatypes.lean
/- Copyright (c) 2016 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Leonardo de Moura, Miyahara Kō -/ import Batteries.Classes.Order import Mathlib.Lean.Meta.Basic import Mathlib.Lean.Meta.CongrTheorems import Mathlib.Data.Ordering.Basic /-! # ...
Category.lean
/- Copyright (c) 2024 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.CategoryTheory.Limits.Constructions.Filtered import Mathlib.CategoryTheory.Limits.FullSubcategory import Mathlib.CategoryTheory.Limits.ExactFunctor impor...
LocallySurjective.lean
/- Copyright (c) 2024 Dagur Asgeirsson. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Dagur Asgeirsson -/ import Mathlib.CategoryTheory.Sites.Coherent.ExtensiveTopology import Mathlib.CategoryTheory.Sites.Coherent.SheafComparison import Mathlib.CategoryTheory.Sites.Lo...
Killing.lean
/- Copyright (c) 2023 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ import Mathlib.Algebra.Lie.InvariantForm import Mathlib.Algebra.Lie.Semisimple.Basic import Mathlib.Algebra.Lie.TraceForm /-! # Lie algebras with non-degenerate Killing fo...
Polynomial.lean
import Mathlib.Algebra.Polynomial.Eval.Degree import Mathlib.Algebra.Polynomial.Inductions import Mathlib.Tactic.RewriteSearch set_option autoImplicit true open Polynomial -- Fails, but used to work prior to `rw?` moving to `lean4`. -- -- info: Try this: rw [@natDegree_sub, @sub_eq_neg_add, @natDegree_add_C, @natDeg...
Basic.lean
/- Copyright (c) 2018 Louis Carlin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Louis Carlin, Mario Carneiro -/ import Mathlib.Algebra.EuclideanDomain.Defs import Mathlib.Algebra.Ring.Divisibility.Basic import Mathlib.Algebra.Ring.Regular import Mathlib.Algebra.Grou...
intdiv.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrfun ssrbool eqtype ssrnat seq path. From mathcomp Require Import div choice fintype...
Projective.lean
/- Copyright (c) 2023 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Peter Pfaffelhuber -/ import Mathlib.MeasureTheory.Constructions.Cylinders import Mathlib.MeasureTheory.Measure.Typeclasses.Probability /-! # Projective measure families a...
CostructuredArrow.lean
/- Copyright (c) 2024 Jakob von Raumer. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jakob von Raumer -/ import Mathlib.CategoryTheory.Filtered.OfColimitCommutesFiniteLimit import Mathlib.CategoryTheory.Functor.KanExtension.Adjunction import Mathlib.CategoryTheory.Li...
Upto.lean
/- Copyright (c) 2020 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon -/ import Mathlib.Algebra.Order.Group.Nat import Mathlib.Algebra.Order.Sub.Basic /-! # `Nat.Upto` `Nat.Upto p`, with `p` a predicate on `ℕ`, is a subtype of elements `n : ℕ`...
Defs.lean
/- Copyright (c) 2015 Nathaniel Thomas. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Nathaniel Thomas, Jeremy Avigad, Johannes Hölzl, Mario Carneiro -/ import Mathlib.Algebra.GroupWithZero.Action.Defs import Mathlib.Algebra.Ring.Defs /-! # Modules over a ring In th...
MeanInequalitiesPow.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Sébastien Gouëzel, Rémy Degenne -/ import Mathlib.Analysis.Convex.Jensen import Mathlib.Analysis.Convex.Mul import Mathlib.Analysis.Convex.SpecificFunctions.Basic imp...
spectral.v
From HB Require Import structures. From mathcomp Require Import ssreflect ssrfun ssrbool eqtype choice ssrnat. From mathcomp Require Import seq div fintype bigop ssralg finset fingroup zmodp. From mathcomp Require Import poly polydiv order ssrnum matrix mxalgebra vector. From mathcomp Require Import mxpoly mxred sesqui...
Imo2015Q6.lean
/- Copyright (c) 2025 Jeremy Tan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jeremy Tan -/ import Mathlib.Algebra.BigOperators.Intervals import Mathlib.Algebra.Order.Group.Int.Sum import Mathlib.Algebra.Order.Ring.Int /-! # IMO 2015 Q6 The sequence $a_1, a_2, \do...
ConvexBody.lean
/- Copyright (c) 2022 Xavier Roblot. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Xavier Roblot -/ import Mathlib.MeasureTheory.Group.GeometryOfNumbers import Mathlib.MeasureTheory.Measure.Lebesgue.VolumeOfBalls import Mathlib.NumberTheory.NumberField.CanonicalEmbedd...
Factorization.lean
/- Copyright (c) 2022 Bolton Bailey. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bolton Bailey, Patrick Stevens, Thomas Browning -/ import Mathlib.Algebra.Order.Ring.GeomSum import Mathlib.Data.Nat.Choose.Central import Mathlib.Data.Nat.Digits.Lemmas import Mathlib....
imset2_gproduct.v
From mathcomp Require Import all_boot all_fingroup. Set Implicit Arguments. Unset Strict Implicit. Unset Printing Implicit Defensive. Import GroupScope. Open Scope group_scope. Check @ker_sdprodm.
Lattice.lean
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Mario Carneiro, Kevin Buzzard, Yury Kudryashov -/ import Mathlib.Algebra.Group.Subgroup.Lattice import Mathlib.Algebra.Group.Submonoid.Membership import Mathlib.Algebra...
LongFile.lean
import Mathlib.Tactic.Linter.Style /- # Testing the `longFile` linter Things to note: * `set_option linter.style.longFile 0` disables the linter, allowing us to set a value smaller than `linter.style.longFileDefValue` without triggering the warning for setting a small value for the option; * `guard_msgs ... in #e...
Inverse.lean
/- Copyright (c) 2021 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel -/ import Mathlib.Analysis.Analytic.Composition import Mathlib.Analysis.Analytic.Linear import Mathlib.Tactic.Positivity /-! # Inverse of analytic functions We ...
Pi.lean
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Anne Baanen, Yaël Dillies -/ import Mathlib.Algebra.NoZeroSMulDivisors.Defs import Mathlib.Algebra.Group.Action.Pi /-! # Pi instances for NoZeroSMulDivisors This file defines instances ...
PPOptions.lean
/- Copyright (c) 2024 Kyle Miller. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kyle Miller -/ import Mathlib.Init /-! Mathlib-specific pretty printer options. -/ namespace Mathlib open Lean /-- The `pp.mathlib.binderPredicates` option is used to control whether ...
Trifunctor.lean
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Functor.Category /-! # Trifunctors obtained by composition of bifunctors Given two bifunctors `F₁₂ : C₁ ⥤ C₂ ⥤ C₁₂` and `G : C₁₂ ⥤ C₃ ⥤ C₄`, we d...
MStructure.lean
/- Copyright (c) 2022 Christopher Hoskin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christopher Hoskin -/ import Mathlib.Algebra.Ring.Idempotent import Mathlib.Analysis.Normed.Group.Basic import Mathlib.Order.Basic import Mathlib.Tactic.NoncommRing /-! # M-struct...
spectral.v
From HB Require Import structures. From mathcomp Require Import ssreflect ssrfun ssrbool eqtype choice ssrnat. From mathcomp Require Import seq div fintype bigop ssralg finset fingroup zmodp. From mathcomp Require Import poly polydiv order ssrnum matrix mxalgebra vector. From mathcomp Require Import mxpoly mxred sesqui...
Cardinal.lean
/- Copyright (c) 2021 Chris Hughes, Junyan Xu. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Junyan Xu -/ import Mathlib.Algebra.Polynomial.Basic import Mathlib.SetTheory.Cardinal.Finsupp /-! # Cardinality of Polynomial Ring The result in this file is ...
NonUnitalSubalgebra.lean
/- Copyright (c) 2023 Jireh Loreaux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jireh Loreaux -/ import Mathlib.Algebra.Algebra.NonUnitalSubalgebra import Mathlib.Algebra.Star.StarAlgHom import Mathlib.Algebra.Star.Center import Mathlib.Algebra.Star.SelfAdjoint imp...
Bousfield.lean
/- Copyright (c) 2025 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Abelian.SerreClass.MorphismProperty import Mathlib.CategoryTheory.Localization.Bousfield /-! # Bousfield localizations with respect to Serre clas...
Imo1969Q1.lean
/- Copyright (c) 2020 Kevin Lacker. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kevin Lacker -/ import Mathlib.Algebra.Ring.Identities import Mathlib.Data.Int.NatPrime import Mathlib.Data.Set.Finite.Lemmas import Mathlib.Tactic.Linarith /-! # IMO 1969 Q1 Prove tha...
Finprod.lean
/- Copyright (c) 2020 Kexing Ying and Kevin Buzzard. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kexing Ying, Kevin Buzzard, Yury Kudryashov -/ import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Support import ...
Subsingleton.lean
/- Copyright (c) 2024 Kyle Miller. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kyle Miller -/ import Mathlib.Logic.Basic /-! # `subsingleton` tactic The `subsingleton` tactic closes `Eq` or `HEq` goals using an argument that the types involved are subsingletons. T...
mxrepresentation.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path. From mathcomp Require Import div choice fintype...
fraction.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrfun ssrbool eqtype ssrnat div seq. From mathcomp Require Import ssrAC choice tuple ...
Basic.lean
/- Copyright (c) 2023 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Algebra.Group.Action.Basic import Mathlib.Algebra.Group.Opposite import Mathlib.Algebra.Group.Pi.Lemmas import Mathlib.Algebra.GroupWithZero.Action.H...
observe.lean
import Mathlib.Data.Nat.Prime.Factorial import Mathlib.Data.Nat.Factorial.Basic open Nat set_option maxHeartbeats 7000 in theorem euclid (n : ℕ) : ∃ N, n < N ∧ N.Prime := by let N := n.factorial + 1 let p := minFac N use p have prime : p.Prime := by apply minFac_prime observe : n.factorial > 0 ome...
Vector3.lean
/- Copyright (c) 2017 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Fin.Fin2 import Mathlib.Util.Notation3 import Mathlib.Tactic.TypeStar /-! # Alternate definition of `Vector` in terms of `Fin2` This file provid...
SeparableDegree.lean
/- Copyright (c) 2023 Jz Pan. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jz Pan -/ import Mathlib.FieldTheory.SplittingField.Construction import Mathlib.FieldTheory.IsAlgClosed.AlgebraicClosure import Mathlib.FieldTheory.Separable import Mathlib.FieldTheory.Normal....
SeminormFromConst.lean
/- Copyright (c) 2024 María Inés de Frutos-Fernández. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: María Inés de Frutos-Fernández -/ import Mathlib.Analysis.Normed.Unbundled.RingSeminorm /-! # SeminormFromConst In this file, we prove [BGR, Proposition 1.3.2/2][bos...
CompProd.lean
/- Copyright (c) 2023 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne -/ import Mathlib.Probability.Kernel.Composition.MapComap import Mathlib.Probability.Kernel.MeasurableLIntegral /-! # Composition-product of kernels We define the composit...
inertia.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrfun ssrbool eqtype ssrnat seq path. From mathcomp Require Import choice fintype div...
IndYoneda.lean
/- Copyright (c) 2024 Christian Merten. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Christian Merten -/ import Mathlib.CategoryTheory.Limits.Opposites import Mathlib.CategoryTheory.Limits.Preserves.Limits import Mathlib.CategoryTheory.Limits.Yoneda /-! # Ind- and ...
CountablyGenerated.lean
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johannes Hölzl, Jeremy Avigad, Yury Kudryashov, Patrick Massot -/ import Mathlib.Order.Filter.AtTopBot.Finite import Mathlib.Order.Filter.AtTopBot.Prod import Mathlib.Order.Filter.Coun...
KummerExtension.lean
/- Copyright (c) 2023 Andrew Yang, Patrick Lutz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.RingTheory.RootsOfUnity.PrimitiveRoots import Mathlib.FieldTheory.Galois.Basic import Mathlib.FieldTheory.KummerPolynomial import Mathlib.Linea...
ssreflect.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From Corelib Require Export ssreflect. Global Set SsrOldRewriteGoalsOrder. Global Set Asymmetric Patterns. Global Set Bullet Behavior "None". #[deprecated(sinc...
UniformSpace.lean
/- Copyright (c) 2019 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Yury Kudryashov -/ import Mathlib.Topology.GDelta.MetrizableSpace import Mathlib.Topology.Separation.GDelta deprecated_module (since := "2025-05-07")
Pi.lean
/- Copyright (c) 2025 Etienne Marion. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Etienne Marion -/ import Mathlib.MeasureTheory.Integral.Bochner.ContinuousLinearMap /-! # Integrability in a product space We prove that `f : X → Π i, E i` is in `Lᵖ` if and only if ...
all_solvable.v
From mathcomp Require Export abelian. From mathcomp Require Export alt. From mathcomp Require Export burnside_app. From mathcomp Require Export center. From mathcomp Require Export commutator. From mathcomp Require Export cyclic. From mathcomp Require Export extraspecial. From mathcomp Require Export extremal. From mat...
CartanMatrix.lean
/- Copyright (c) 2021 Oliver Nash. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Oliver Nash -/ import Mathlib.Algebra.Lie.Free import Mathlib.Algebra.Lie.Quotient import Mathlib.Data.Matrix.Notation /-! # Lie algebras from Cartan matrices Split semi-simple Lie alge...
ExpGrowth.lean
/- Copyright (c) 2025 Damien Thomine. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Damien Thomine -/ import Mathlib.Analysis.Asymptotics.LinearGrowth import Mathlib.Analysis.SpecialFunctions.Log.ENNRealLogExp /-! # Exponential growth This file defines the exponenti...
Star.lean
/- Copyright (c) 2022 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ import Mathlib.LinearAlgebra.CliffordAlgebra.Conjugation /-! # Star structure on `CliffordAlgebra` This file defines the "clifford conjugation", equal to `reverse (involu...
Pi.lean
/- Copyright (c) 2021 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser -/ import Mathlib.Algebra.Star.Basic import Mathlib.Algebra.Notation.Pi.Defs import Mathlib.Algebra.Ring.Pi /-! # Basic Results about Star on Pi Types This file provides bas...
mxalgebra.v
(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) (* Distributed under the terms of CeCILL-B. *) From HB Require Import structures. From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice. From mathcomp Require Import fintype finfun b...
IsLocalHomeomorph.lean
/- Copyright (c) 2021 Thomas Browning. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Thomas Browning -/ import Mathlib.Topology.PartialHomeomorph import Mathlib.Topology.SeparatedMap /-! # Local homeomorphisms This file defines local homeomorphisms. ## Main definit...
RegularSequence.lean
/- Copyright (c) 2024 Brendan Murphy. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Brendan Murphy -/ import Mathlib.RingTheory.Artinian.Module import Mathlib.RingTheory.LocalRing.MaximalIdeal.Basic import Mathlib.RingTheory.Nakayama import Mathlib.RingTheory.Regular....
all_algebra.v
(* N.B. interval_inference is not exported here. To enjoys the automation it provides, you need to explictly "Import interval_inference". *) From mathcomp Require Export ssralg. From mathcomp Require Export ssrnum. From mathcomp Require Export finalg. From mathcomp Require Export countalg. From mathcomp Require Export...
Square.lean
/- Copyright (c) 2024 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.MorphismProperty.Limits import Mathlib.CategoryTheory.Square import Mathlib.CategoryTheory.Limits.Shapes.Pullback.CommSq /-! # Commutative square...
Alternating.lean
/- Copyright (c) 2021 Aaron Anderson. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Aaron Anderson, Antoine Chambert-Loir -/ import Mathlib.Algebra.Ring.CharZero import Mathlib.Data.Fintype.Units import Mathlib.GroupTheory.IndexNormal import Mathlib.GroupTheory.Perm.F...
Splits.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes -/ import Mathlib.Algebra.Polynomial.FieldDivision import Mathlib.Algebra.Polynomial.Lifts import Mathlib.Data.List.Prime import Mathlib.RingTheory.Polynomial.Tower /-! # S...
Filter.lean
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.MapFold import Mathlib.Data.Set.Function import Mathlib.Order.Hom.Basic /-! # Filtering multisets by a predicate ## Main definit...
Thunk.lean
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon -/ import Mathlib.Init /-! # Basic facts about `Thunk`. -/ namespace Thunk @[simp] theorem get_pure {α} (x : α) : (Thunk.pure x).get = x := rfl @[simp] theorem get_mk {α} (...
KLFun.lean
/- Copyright (c) 2025 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Lorenzo Luccioli -/ import Mathlib.Analysis.SpecialFunctions.Log.NegMulLog import Mathlib.MeasureTheory.Measure.Decomposition.IntegralRNDeriv import Mathlib.MeasureTheory.M...
MooreComplex.lean
/- Copyright (c) 2021 Kim Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kim Morrison -/ import Mathlib.Algebra.Homology.HomologicalComplex import Mathlib.AlgebraicTopology.SimplicialObject.Basic import Mathlib.CategoryTheory.Abelian.Basic /-! ## Moore compl...
ModCases.lean
/- Copyright (c) 2022 Mario Carneiro. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro, Heather Macbeth -/ import Mathlib.Data.Int.ModEq import Mathlib.Tactic.HaveI /-! # `mod_cases` tactic The `mod_cases` tactic does case disjunction on `e % n`, where `...