Portability | non-portable (class-associated types) |
---|---|
Stability | experimental |
Maintainer | Edward Kmett <ekmett@gmail.com> |
Control.Category.Distributive
Contents
Description
- factor :: (PreCartesian hom prod, PreCoCartesian hom sum) => hom (sum (prod a b) (prod a c)) (prod a (sum b c))
- class (PreCartesian hom prod, PreCoCartesian hom sum) => Distributive hom prod sum where
- distribute :: hom (prod a (sum b c)) (sum (prod a b) (prod a c))
Distributive Categories
factor :: (PreCartesian hom prod, PreCoCartesian hom sum) => hom (sum (prod a b) (prod a c)) (prod a (sum b c))Source
the canonical factoring morphism
class (PreCartesian hom prod, PreCoCartesian hom sum) => Distributive hom prod sum whereSource
A category in which factor
is an isomorphism
Methods
distribute :: hom (prod a (sum b c)) (sum (prod a b) (prod a c))Source
Instances