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New posts in category-theory

Why is there a distinction between co and contravariant functors in Haskell but not Category Theory?

haskell terminology functor category-theory

Where's the functor in the natural transformation?

haskell functor category-theory

Is there a non-identity monad morphism M ~> M that is monadically natural in M?

haskell monads category-theory

What are those class extensions for the Cartesian class for?

haskell category-theory monoids

What is the dual of a prism or an affine traversal?

haskell haskell-lens category-theory lenses

Why does mutual yielding make ArrowApply and Monads equivalent, unlike Arrow and Applicative?

haskell monads applicative category-theory arrows

Is every Alternative Monad Filterable?

haskell filter monads category-theory alternative-functor

Which terms is corresponding for Map, Filter, Foldable, Bind etc from Category Theory?

math functional-programming lambda-calculus category-theory

Why do initial algebras correspond to data and final coalgebras to codata?

haskell recursive-datastructures category-theory

What's a functor on the category of monads?

haskell monads monad-transformers category-theory

Definition of hoistfree

haskell category-theory

Concrete Type Example of a Functor that Fails to be an Applicative? [duplicate]

haskell category-theory

Scala -- How to use Functors on non-Function types?

function scala functional-programming functor category-theory

Showing that `newtype T a = T (a -> Int)` is a Type Constructor that is Not a Functor

haskell category-theory

Why is `((,) r)` a Functor that is NOT an Applicative?

haskell applicative category-theory

Is Last a free monoid?

haskell functor category-theory monoids

Why prefer monoids over semigroups in Haskell? Why do we need mempty?

haskell functional-programming category-theory

If Either can be either Left or Right but not both, then why does it correspond to OR instead of XOR in Curry-Howard correspondence?

haskell functional-programming boolean-logic category-theory curry-howard

Do all Type Classes in Haskell Have a Category Theoretic Analogue?

haskell category-theory
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