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New posts in category-theory
Is there a term for a monad that is also a comonad?
Oct 23, 2022
haskell
ocaml
category-theory
Is this a meaningful generalization of `scan`s for arbitrary ADTs?
Apr 24, 2020
haskell
category-theory
type-theory
In what way is Scala's Option fold a catamorphism?
Jun 15, 2022
scala
category-theory
scala-option
catamorphism
recursion-schemes
Is the name of `liftM` inspired by lifts in mathematics? [closed]
Sep 14, 2022
haskell
functional-programming
terminology
category-theory
Bicategories in Haskell
Aug 08, 2021
haskell
typeclass
category-theory
Every monad is an applicative functor — generalizing to other categories
Sep 12, 2022
haskell
categories
functor
applicative
category-theory
Free Applicative in Scala
Sep 24, 2022
scala
haskell
category-theory
Is there such thing as a bidistributive? What function do I need here?
Jun 07, 2022
haskell
math
category-theory
bifunctor
distributive
Why are Monoidal and Applicative laws telling us the same thing?
Sep 12, 2022
haskell
typeclass
applicative
category-theory
monoids
The useful application of Functor's Product and Coproduct
May 22, 2022
haskell
functor
category-theory
Where is the bifunctor for functions in haskell?
Apr 13, 2022
haskell
category-theory
How does compiler figure out fixed point of a functor and how cata work at leaf level?
Apr 16, 2022
haskell
category-theory
recursion-schemes
fixpoint-combinators
catamorphism
Can two non-functors compose to a functor?
Apr 07, 2020
haskell
composition
functor
applicative
category-theory
Difference between initial and terminal objects in a category
Aug 26, 2022
haskell
functional-programming
category-theory
Monads from all angles - Mathematical, diagramatic and programmatical
Mar 28, 2019
haskell
functional-programming
monads
category-theory
Do the monadic liftM and the functorial fmap have to be equivalent?
Mar 02, 2022
haskell
category-theory
Why is there a distinction between co and contravariant functors in Haskell but not Category Theory?
Apr 20, 2022
haskell
terminology
functor
category-theory
Where's the functor in the natural transformation?
Feb 28, 2022
haskell
functor
category-theory
Is there a non-identity monad morphism M ~> M that is monadically natural in M?
Feb 02, 2022
haskell
monads
category-theory
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