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New posts in category-theory

How to prove basic sequence properties

haskell category-theory

Higher order Functors in scala

Defining Free Bind in a way that is compatible with the Free Monad

What is the general case of QuickCheck's promote function?

What means precisely "function inside a functor"

haskell category-theory

Are haskell data types co-algebras by default?

haskell category-theory

Why can't I find any law violations for the NotQuiteCofree not-quite-comonad?

Is (\f -> fmap f id) always equivalent to arr?

Applying Semantics to Free Monads

Categorical structure in Haskell

haskell category-theory

Do the functor laws prove complete preservation of structure?

Are all fixed size containers strong monoidal functors, and/or vice versa?

What exactly is a category?

Initial algebra for rose trees

It's not a monad, but what is it?

Composition of two functors is a functor

Generalization of strong and closed profunctors

How to define equality for Category instances?

haskell category-theory

Every monad is monoid?

haskell category-theory