How can I use a recursion scheme to express this probability distribution in Haskell...

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

What's the Lisp `quote` special form in category-theoretical terms?...

Why is a -> a not a functor?...

Confusion in understanding Substitution / `ap` type signature and different implementations (functio...

Is Int a category of all integers?...

Once I have an F-Algebra, can I define Foldable and Traversable in terms of it?...

Granted a traversable F-Algebra, is it possible to have a catamorphism over an applicative algebra?...

Is Hask even a category?...

A type constructor IS a monad or HAS a monad?...

Is there a corresponding optic for higher-order traversable functors?...

Simple definition of factorizer...

What are get() and unit() in this definition of applicative functor?...

Is there such thing as a bidistributive? What function do I need here?...

Overview of Edward Kmetts packages for Haskell...

How to use category theory diagrams with polyary functions?...

Do I violate the abstraction law?...

In Haskell, is the map function a functor?...

Non-empty-list comonad...

What exactly is a category?...

Applicative: Prove `pure f <*> x = pure (flip ($)) <*> x <*> pure f`...

Which Haskell Functors are equivalent to the Reader functor...

Combining the state monad with the costate comonad...

Initial algebra for rose trees...

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

What would be a good example of an endofunctor that is not the identity functor?...

What should a "higher order Traversable" class look like?...

Does My imposed Condition have a name in category theory/Set theory?...

removing ad-hoc polymorphism...

Can the kind `*` be thought of as `ob(Hask)`?...