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Analysis\SpecialFunctions\Trigonometric\Angle.lean
/- Copyright (c) 2019 Calle Sönne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Calle Sönne -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Basic import Mathlib.Analysis.Normed.Group.AddCircle import Mathlib.Algebra.CharZero.Quotient import Mathlib.Topology...
Analysis\SpecialFunctions\Trigonometric\Arctan.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Complex /-! # The `arctan` function. Inequalit...
Analysis\SpecialFunctions\Trigonometric\ArctanDeriv.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Arctan import Mathlib.Analysis.SpecialFunctions....
Analysis\SpecialFunctions\Trigonometric\Basic.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Exp import Mathlib.Tactic.Positivity.Core import Mathlib.Algeb...
Analysis\SpecialFunctions\Trigonometric\Bounds.lean
/- Copyright (c) 2022 David Loeffler. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Loeffler, Yaël Dillies -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.ArctanDeriv /-! # Polynomial bounds for trigonometric functions ## Main statements This file c...
Analysis\SpecialFunctions\Trigonometric\Chebyshev.lean
/- Copyright (c) 2020 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin -/ import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Data.Complex.Exponential import Mathlib.Data.Complex.Module import Mathlib.RingTheory.Polynomial.Chebyshev...
Analysis\SpecialFunctions\Trigonometric\Complex.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Algebra.QuadraticDiscriminant import Mathlib.Analysis.Convex.SpecificFunctions.Deriv imp...
Analysis\SpecialFunctions\Trigonometric\ComplexDeriv.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Complex /-! # Complex trigonometric functions ...
Analysis\SpecialFunctions\Trigonometric\Cotangent.lean
/- Copyright (c) 2024 Chris Birkbeck. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Birkbeck -/ import Mathlib.Analysis.Complex.UpperHalfPlane.Exp /-! # Cotangent This file contains lemmas about the cotangent function, including useful series expansions. -/ o...
Analysis\SpecialFunctions\Trigonometric\Deriv.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Order.Monotone.Odd import Mathlib.Analysis.Calculus.LogDeriv import Mathlib.Analysis.Spe...
Analysis\SpecialFunctions\Trigonometric\EulerSineProd.lean
/- Copyright (c) 2023 David Loeffler. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Loeffler -/ import Mathlib.Analysis.SpecialFunctions.Integrals import Mathlib.MeasureTheory.Integral.PeakFunction /-! # Euler's infinite product for the sine function This file...
Analysis\SpecialFunctions\Trigonometric\Inverse.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Basic import Mathlib.Topology.Order.ProjIcc /-!...
Analysis\SpecialFunctions\Trigonometric\InverseDeriv.lean
/- Copyright (c) 2018 Chris Hughes. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Chris Hughes, Abhimanyu Pallavi Sudhir, Jean Lo, Calle Sönne, Benjamin Davidson -/ import Mathlib.Analysis.SpecialFunctions.Trigonometric.Inverse import Mathlib.Analysis.SpecialFunctions...
Analysis\SpecialFunctions\Trigonometric\Series.lean
/- Copyright (c) 2023 Eric Wieser. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Eric Wieser, Yaël Dillies -/ import Mathlib.Analysis.SpecialFunctions.Exponential /-! # Trigonometric functions as sums of infinite series In this file we express trigonometric function...
Analysis\SpecificLimits\Basic.lean
/- Copyright (c) 2017 Johannes Hölzl. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel, Johannes Hölzl, Yury G. Kudryashov, Patrick Massot -/ import Mathlib.Algebra.GeomSum import Mathlib.Order.Filter.Archimedean import Mathlib.Order.Iterate import Math...
Analysis\SpecificLimits\FloorPow.lean
/- Copyright (c) 2022 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sébastien Gouëzel -/ import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Analysis.SpecialFunctions.Pow.Real /-! # Results on discretized exponentials We state several auxi...
Analysis\SpecificLimits\Normed.lean
/- Copyright (c) 2020 Sébastien Gouëzel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Anatole Dedecker, Sébastien Gouëzel, Yury G. Kudryashov, Dylan MacKenzie, Patrick Massot -/ import Mathlib.Algebra.BigOperators.Module import Mathlib.Algebra.Order.Field.Basic impor...
Analysis\SpecificLimits\RCLike.lean
/- Copyright (c) 2023 Xavier Généreux. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Xavier Généreux, Patrick Massot -/ import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Analysis.RCLike.Basic /-! # A collection of specific limit computations for `RCLike` -...
Analysis\VonNeumannAlgebra\Basic.lean
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Analysis.Normed.Module.Dual import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.InnerProductSpace.Adjoint /-! # Von Neumann algebras We giv...
CategoryTheory\Action.lean
/- Copyright (c) 2020 David Wärn. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Wärn -/ import Mathlib.CategoryTheory.Elements import Mathlib.CategoryTheory.IsConnected import Mathlib.CategoryTheory.SingleObj import Mathlib.GroupTheory.GroupAction.Quotient impor...
CategoryTheory\Adhesive.lean
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.CategoryTheory.Extensive import Mathlib.CategoryTheory.Limits.Shapes.KernelPair import Mathlib.CategoryTheory.Limits.Constructions.EpiMono /-! # Adhesive c...
CategoryTheory\Balanced.lean
/- Copyright (c) 2022 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.CategoryTheory.EpiMono /-! # Balanced categories A category is called balanced if any morphism that is both monic and epic is an isomorphism. Balanced...
CategoryTheory\CatCommSq.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.Equivalence /-! # 2-commutative squares of functors Similarly as `CommSq.lean` defines the notion of commutative squares, this file introduces t...
CategoryTheory\ChosenFiniteProducts.lean
/- Copyright (c) 2024 Adam Topaz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Adam Topaz -/ import Mathlib.CategoryTheory.Monoidal.OfChosenFiniteProducts.Symmetric import Mathlib.CategoryTheory.Limits.Constructions.FiniteProductsOfBinaryProducts /-! # Categories wi...
CategoryTheory\ClosedUnderIsomorphisms.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.Iso import Mathlib.Order.Basic /-! # Predicates on objects which are closed under isomorphisms This file introduces the type class `ClosedUnderI...
CategoryTheory\CofilteredSystem.lean
/- Copyright (c) 2022 Kyle Miller, Adam Topaz, Rémi Bottinelli, Junyan Xu. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Kyle Miller, Adam Topaz, Rémi Bottinelli, Junyan Xu -/ import Mathlib.CategoryTheory.Filtered.Basic import Mathlib.Data.Set.Finite import Mathlib.D...
CategoryTheory\CommSq.lean
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Joël Riou -/ import Mathlib.CategoryTheory.Comma.Arrow /-! # Commutative squares This file provide an API for commutative squares in categories. If `top`, `left`, `ri...
CategoryTheory\ComposableArrows.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.Category.Preorder import Mathlib.CategoryTheory.EqToHom import Mathlib.CategoryTheory.Functor.Const import Mathlib.Order.Fin.Basic import Mathlib....
CategoryTheory\Conj.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Algebra.Group.Units.Equiv import Mathlib.CategoryTheory.Endomorphism import Mathlib.CategoryTheory.HomCongr /-! # Conjugate morphisms by isomorphism...
CategoryTheory\ConnectedComponents.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.Data.List.Chain import Mathlib.CategoryTheory.IsConnected import Mathlib.CategoryTheory.Sigma.Basic import Mathlib.CategoryTheory.FullSubcategory /-! # Co...
CategoryTheory\Core.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Control.EquivFunctor import Mathlib.CategoryTheory.Groupoid import Mathlib.CategoryTheory.Whiskering import Mathlib.CategoryTheory.Types /-! # The cor...
CategoryTheory\Countable.lean
/- Copyright (c) 2023 Dagur Asgeirsson. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Dagur Asgeirsson -/ import Mathlib.Data.Countable.Small import Mathlib.CategoryTheory.EssentiallySmall import Mathlib.CategoryTheory.FinCategory.Basic import Mathlib.Data.Fintype.Car...
CategoryTheory\DifferentialObject.lean
/- Copyright (c) 2020 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Algebra.Group.Basic import Mathlib.Data.Int.Cast.Defs import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.ConcreteCategory.Basic /...
CategoryTheory\DiscreteCategory.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Stephen Morgan, Scott Morrison, Floris van Doorn -/ import Mathlib.CategoryTheory.EqToHom import Mathlib.CategoryTheory.Pi.Basic import Mathlib.Data.ULift /-! # Discrete categories W...
CategoryTheory\Elements.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Comma.StructuredArrow import Mathlib.CategoryTheory.Groupoid import Mathlib.CategoryTheory.PUnit /-! # The category of elements This f...
CategoryTheory\Elementwise.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Tactic.CategoryTheory.Elementwise import Mathlib.CategoryTheory.ConcreteCategory.Basic /-! # Use the `elementwise` attribute to create applied version...
CategoryTheory\Endomorphism.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov, Scott Morrison, Simon Hudon -/ import Mathlib.Algebra.Group.Action.Defs import Mathlib.Algebra.Group.Equiv.Basic import Mathlib.Algebra.Group.Units import Mathlib.Alg...
CategoryTheory\EpiMono.lean
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.Opposites import Mathlib.CategoryTheory.Groupoid /-! # Facts about epimorphisms and monomorphisms. The definitions of `Epi` ...
CategoryTheory\EqToHom.lean
/- Copyright (c) 2018 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.Opposites /-! # Morphisms from equations between objects. When working categorically, sometimes one encounters an equation `...
CategoryTheory\Equivalence.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Tim Baumann, Stephen Morgan, Scott Morrison, Floris van Doorn -/ import Mathlib.CategoryTheory.Functor.FullyFaithful import Mathlib.CategoryTheory.FullSubcategory import Mathlib.Catego...
CategoryTheory\EssentialImage.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.NatIso import Mathlib.CategoryTheory.FullSubcategory /-! # Essential image of a functor The essential image `essImage` of a functor consis...
CategoryTheory\EssentiallySmall.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Category.ULift import Mathlib.CategoryTheory.Skeletal import Mathlib.Logic.UnivLE import Mathlib.Logic.Small.Basic /-! # Essentially sm...
CategoryTheory\Extensive.lean
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.CategoryTheory.Limits.Shapes.Pullback.CommSq import Mathlib.CategoryTheory.Limits.Shapes.StrictInitial import Mathlib.CategoryTheory.Limits.Shapes.Types impo...
CategoryTheory\FintypeCat.lean
/- Copyright (c) 2020 Adam Topaz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta, Adam Topaz -/ import Mathlib.CategoryTheory.ConcreteCategory.Basic import Mathlib.CategoryTheory.FullSubcategory import Mathlib.CategoryTheory.Skeletal import Mathlib.Data.Fi...
CategoryTheory\FullSubcategory.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Reid Barton -/ import Mathlib.CategoryTheory.Functor.FullyFaithful /-! # Induced categories and full subcategories Given a category `D` and a function `F : C → D `fro...
CategoryTheory\Generator.lean
/- Copyright (c) 2022 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.CategoryTheory.Balanced import Mathlib.CategoryTheory.Limits.EssentiallySmall import Mathlib.CategoryTheory.Limits.Opposites import Mathlib.CategoryTheor...
CategoryTheory\GlueData.lean
/- Copyright (c) 2021 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Tactic.CategoryTheory.Elementwise import Mathlib.CategoryTheory.Limits.Shapes.Multiequalizer import Mathlib.CategoryTheory.Limits.Constructions.EpiMono impor...
CategoryTheory\GradedObject.lean
/- Copyright (c) 2020 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Joël Riou -/ import Mathlib.Algebra.Group.Int import Mathlib.CategoryTheory.ConcreteCategory.Basic import Mathlib.CategoryTheory.Shift.Basic import Mathlib.Data.Set.Sub...
CategoryTheory\Grothendieck.lean
/- Copyright (c) 2020 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Sina Hazratpour -/ import Mathlib.CategoryTheory.Category.Cat import Mathlib.CategoryTheory.Elements import Mathlib.CategoryTheory.Comma.Over /-! # The Grothendieck co...
CategoryTheory\Groupoid.lean
/- Copyright (c) 2018 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison, David Wärn -/ import Mathlib.CategoryTheory.FullSubcategory import Mathlib.CategoryTheory.Products.Basic import Mathlib.CategoryTheory.Pi.Basic import Mathlib...
CategoryTheory\HomCongr.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.CategoryTheory.Iso /-! # Conjugate morphisms by isomorphisms We define `CategoryTheory.Iso.homCongr : (X ≅ X₁) → (Y ≅ Y₁) → (X ⟶ Y) ≃ (X₁ ⟶ Y₁)`, c...
CategoryTheory\IsConnected.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta, Jakob von Raumer -/ import Mathlib.Data.List.Chain import Mathlib.CategoryTheory.PUnit import Mathlib.CategoryTheory.Groupoid import Mathlib.CategoryTheory.Category.ULift ...
CategoryTheory\Iso.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Tim Baumann, Stephen Morgan, Scott Morrison, Floris van Doorn -/ import Mathlib.Tactic.CategoryTheory.Reassoc /-! # Isomorphisms This file defines isomorphisms between objects of a c...
CategoryTheory\IsomorphismClasses.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.CategoryTheory.Category.Cat import Mathlib.CategoryTheory.Groupoid import Mathlib.CategoryTheory.Types /-! # Objects of a category up to an isomorph...
CategoryTheory\NatIso.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Tim Baumann, Stephen Morgan, Scott Morrison, Floris van Doorn -/ import Mathlib.CategoryTheory.Functor.Category import Mathlib.CategoryTheory.Iso /-! # Natural isomorphisms For the m...
CategoryTheory\NatTrans.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Tim Baumann, Stephen Morgan, Scott Morrison, Floris van Doorn -/ import Mathlib.Tactic.CategoryTheory.Reassoc /-! # Natural transformations Defines natural transformations between fu...
CategoryTheory\Noetherian.lean
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Subobject.Lattice import Mathlib.CategoryTheory.EssentiallySmall import Mathlib.CategoryTheory.Simple /-! # Artinian and noetherian cat...
CategoryTheory\Opposites.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Stephen Morgan, Scott Morrison -/ import Mathlib.CategoryTheory.Equivalence /-! # Opposite categories We provide a category instance on `Cᵒᵖ`. The morphisms `X ⟶ Y` are defined to be...
CategoryTheory\PathCategory.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.EqToHom import Mathlib.CategoryTheory.Quotient import Mathlib.Combinatorics.Quiver.Path /-! # The category paths on a quiver. When `C` ...
CategoryTheory\PEmpty.lean
/- Copyright (c) 2018 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Bhavik Mehta -/ import Mathlib.CategoryTheory.DiscreteCategory /-! # The empty category Defines a category structure on `PEmpty`, and the unique functor `PEmpty ⥤ C` ...
CategoryTheory\PUnit.lean
/- Copyright (c) 2018 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Bhavik Mehta -/ import Mathlib.CategoryTheory.Functor.Const import Mathlib.CategoryTheory.DiscreteCategory /-! # The category `Discrete PUnit` We define `star : C ⥤ D...
CategoryTheory\Quotient.lean
/- Copyright (c) 2020 David Wärn. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: David Wärn -/ import Mathlib.CategoryTheory.NatIso import Mathlib.CategoryTheory.EqToHom /-! # Quotient category Constructs the quotient of a category by an arbitrary family of relations...
CategoryTheory\Simple.lean
/- Copyright (c) 2020 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Scott Morrison -/ import Mathlib.CategoryTheory.Limits.Shapes.ZeroMorphisms import Mathlib.CategoryTheory.Limits.Shapes.Kernels import Mathlib.CategoryTheory.Abelian.Bas...
CategoryTheory\SingleObj.lean
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.CategoryTheory.Endomorphism import Mathlib.CategoryTheory.FinCategory.Basic import Mathlib.CategoryTheory.Category.Cat import Mathlib.Algebra.Categor...
CategoryTheory\Skeletal.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryTheory.Category.Preorder import Mathlib.CategoryTheory.IsomorphismClasses import Mathlib.CategoryThe...
CategoryTheory\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.Comma.Arrow import Mathlib.CategoryTheory.CommSq /-! # The category of commutative squares In this file, we define a bundled version of `CommSq`...
CategoryTheory\Subterminal.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.Limits.Shapes.BinaryProducts import Mathlib.CategoryTheory.Limits.Shapes.Terminal import Mathlib.CategoryTheory.Subobject.MonoOver /-! # Su...
CategoryTheory\Thin.lean
/- Copyright (c) 2019 Scott Morrison, Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Bhavik Mehta -/ import Mathlib.CategoryTheory.Functor.Category import Mathlib.CategoryTheory.Iso /-! # Thin categories A thin category (also known as a s...
CategoryTheory\Types.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Stephen Morgan, Scott Morrison, Johannes Hölzl -/ import Mathlib.CategoryTheory.EpiMono import Mathlib.CategoryTheory.Functor.FullyFaithful import Mathlib.Tactic.PPWithUniv import Math...
CategoryTheory\UnivLE.lean
/- Copyright (c) 2023 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.Logic.UnivLE import Mathlib.CategoryTheory.EssentialImage import Mathlib.CategoryTheory.Types /-! # Universe inequalities and essential surjectivity o...
CategoryTheory\Whiskering.lean
/- Copyright (c) 2018 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Iso import Mathlib.CategoryTheory.Functor.Category import Mathlib.CategoryTheory.Functor.FullyFaithful /-! # Whiskering Given a functo...
CategoryTheory\Widesubcategory.lean
/- Copyright (c) 2024 Sina Hazratpour. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Sina Hazratpour -/ import Mathlib.CategoryTheory.Functor.FullyFaithful import Mathlib.CategoryTheory.MorphismProperty.Composition /-! # Wide subcategories A wide subcategory of a ca...
CategoryTheory\WithTerminal.lean
/- Copyright (c) 2021 Adam Topaz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joseph Tooby-Smith, Adam Topaz -/ import Mathlib.CategoryTheory.Limits.Shapes.Terminal import Mathlib.CategoryTheory.Bicategory.Functor.Pseudofunctor /-! # `WithInitial` and `WithTermina...
CategoryTheory\Yoneda.lean
/- Copyright (c) 2017 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Functor.Hom import Mathlib.CategoryTheory.Products.Basic import Mathlib.Data.ULift import Mathlib.Logic.Function.ULift /-! # The Yoneda...
CategoryTheory\Abelian\Basic.lean
/- Copyright (c) 2020 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Johan Commelin, Scott Morrison -/ import Mathlib.CategoryTheory.Limits.Constructions.Pullbacks import Mathlib.CategoryTheory.Preadditive.Biproducts import Mathlib.Categor...
CategoryTheory\Abelian\EpiWithInjectiveKernel.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.Algebra.Homology.ShortComplex.ShortExact import Mathlib.CategoryTheory.MorphismProperty.Composition /-! # Epimorphisms with an injective kernel In this file, w...
CategoryTheory\Abelian\Exact.lean
/- Copyright (c) 2020 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Adam Topaz, Johan Commelin, Jakob von Raumer -/ import Mathlib.Algebra.Homology.ImageToKernel import Mathlib.Algebra.Homology.ShortComplex.Exact import Mathlib.CategoryTh...
CategoryTheory\Abelian\Ext.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Adam Topaz -/ import Mathlib.Algebra.Category.ModuleCat.Abelian import Mathlib.Algebra.Homology.Opposite import Mathlib.CategoryTheory.Abelian.LeftDerived import Mathli...
CategoryTheory\Abelian\FunctorCategory.lean
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Abelian.Basic import Mathlib.CategoryTheory.Preadditive.FunctorCategory import Mathlib.CategoryTheory.Limits.Shapes.FunctorCategory impo...
CategoryTheory\Abelian\Generator.lean
/- Copyright (c) 2022 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.CategoryTheory.Abelian.Subobject import Mathlib.CategoryTheory.Limits.EssentiallySmall import Mathlib.CategoryTheory.Preadditive.Injective import Mathlib...
CategoryTheory\Abelian\Images.lean
/- Copyright (c) 2020 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Scott Morrison -/ import Mathlib.CategoryTheory.Limits.Shapes.Kernels /-! # The abelian image and coimage. In an abelian category we usually want the image of a morphis...
CategoryTheory\Abelian\Injective.lean
/- Copyright (c) 2022 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.Abelian.Exact import Mathlib.CategoryTheory.Preadditive.Injective import Mathlib.CategoryTheory.Preadditive.Yoneda.Limits import Mat...
CategoryTheory\Abelian\InjectiveResolution.lean
/- Copyright (c) 2022 Jujian Zhang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jujian Zhang, Scott Morrison -/ import Mathlib.CategoryTheory.Preadditive.InjectiveResolution import Mathlib.Algebra.Homology.HomotopyCategory import Mathlib.Data.Set.Subsingleton import...
CategoryTheory\Abelian\LeftDerived.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Riccardo Brasca, Adam Topaz, Jujian Zhang, Joël Riou -/ import Mathlib.Algebra.Homology.Additive import Mathlib.CategoryTheory.Abelian.ProjectiveResolution /-! # Left-...
CategoryTheory\Abelian\NonPreadditive.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.CategoryTheory.Limits.Shapes.FiniteProducts import Mathlib.CategoryTheory.Limits.Shapes.Kernels import Mathlib.CategoryTheory.Limits.Shapes.NormalMono.Eq...
CategoryTheory\Abelian\Opposite.lean
/- Copyright (c) 2021 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Abelian.Basic import Mathlib.CategoryTheory.Preadditive.Opposite import Mathlib.CategoryTheory.Limits.Opposites /-! # The opposite of a...
CategoryTheory\Abelian\Projective.lean
/- Copyright (c) 2022 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.Abelian.Exact import Mathlib.CategoryTheory.Preadditive.Yoneda.Projective import Mathlib.CategoryTheory.Preadditive.Yoneda.Limits im...
CategoryTheory\Abelian\ProjectiveResolution.lean
/- Copyright (c) 2022 Jujian Zhang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Scott Morrison, Jakob von Raumer, Joël Riou -/ import Mathlib.CategoryTheory.Preadditive.ProjectiveResolution import Mathlib.Algebra.Homology.HomotopyCategory import Mathl...
CategoryTheory\Abelian\Pseudoelements.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.CategoryTheory.Abelian.Exact import Mathlib.CategoryTheory.Comma.Over import Mathlib.Algebra.Category.ModuleCat.EpiMono /-! # Pseudoelements in abelian ...
CategoryTheory\Abelian\Refinements.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.Algebra.Homology.ShortComplex.Exact /-! # Refinements In order to prove injectivity/surjectivity/exactness properties for diagrams in the category of abelian g...
CategoryTheory\Abelian\RightDerived.lean
/- Copyright (c) 2022 Jujian Zhang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jujian Zhang, Scott Morrison, Joël Riou -/ import Mathlib.Algebra.Homology.Additive import Mathlib.CategoryTheory.Abelian.InjectiveResolution /-! # Right-derived functors We define the...
CategoryTheory\Abelian\Subobject.lean
/- Copyright (c) 2022 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel -/ import Mathlib.CategoryTheory.Subobject.Limits import Mathlib.CategoryTheory.Abelian.Basic /-! # Equivalence between subobjects and quotients in an abelian category -...
CategoryTheory\Abelian\Transfer.lean
/- Copyright (c) 2022 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison -/ import Mathlib.CategoryTheory.Abelian.Basic import Mathlib.CategoryTheory.Limits.Preserves.Shapes.Kernels import Mathlib.CategoryTheory.Adjunction.Limits /-! # Trans...
CategoryTheory\Abelian\DiagramLemmas\Four.lean
/- Copyright (c) 2020 Markus Himmel. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Markus Himmel, Joël Riou -/ import Mathlib.Algebra.Homology.ExactSequence import Mathlib.CategoryTheory.Abelian.Refinements /-! # The four and five lemmas Consider the following commu...
CategoryTheory\Adjunction\AdjointFunctorTheorems.lean
/- Copyright (c) 2021 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.Generator import Mathlib.CategoryTheory.Limits.ConeCategory import Mathlib.CategoryTheory.Limits.Constructions.WeaklyInitial import Mathlib....
CategoryTheory\Adjunction\Basic.lean
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Johan Commelin, Bhavik Mehta -/ import Mathlib.CategoryTheory.Equivalence /-! # Adjunctions between functors `F ⊣ G` represents the data of an adjunction between two functo...
CategoryTheory\Adjunction\Comma.lean
/- Copyright (c) 2021 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryTheory.Comma.StructuredArrow import Mathlib.CategoryTheory.PUnit /-! # Properties of comma categori...
CategoryTheory\Adjunction\Evaluation.lean
/- Copyright (c) 2021 Adam Topaz. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Adam Topaz -/ import Mathlib.CategoryTheory.Limits.Shapes.Products import Mathlib.CategoryTheory.Functor.EpiMono /-! # Adjunctions involving evaluation We show that evaluation of functo...
CategoryTheory\Adjunction\FullyFaithful.lean
/- Copyright (c) 2019 Scott Morrison. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Scott Morrison, Dagur Asgeirsson -/ import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryTheory.MorphismProperty.Basic import Mathlib.CategoryTheory.EpiMono /-! # Adj...
CategoryTheory\Adjunction\Lifting.lean
/- Copyright (c) 2020 Bhavik Mehta. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Bhavik Mehta -/ import Mathlib.CategoryTheory.Limits.Shapes.Equalizers import Mathlib.CategoryTheory.Limits.Shapes.Reflexive import Mathlib.CategoryTheory.Monad.Adjunction import Mathlib...