FiniteCategories-0.1.0.0: Finite categories and usual categorical constructions on them.
CopyrightGuillaume Sabbagh 2021
LicenseGPL-3
Maintainerguillaumesabbagh@protonmail.com
Stabilityexperimental
Portabilityportable
Safe HaskellSafe-Inferred
LanguageHaskell2010

UsualCategories.Zero

Description

The 0 category contains no object and no morphism.

Synopsis

Documentation

data Zero Source #

The 0 category.

Constructors

Zero 

Instances

Instances details
Eq Zero Source # 
Instance details

Defined in UsualCategories.Zero

Methods

(==) :: Zero -> Zero -> Bool

(/=) :: Zero -> Zero -> Bool

Show Zero Source # 
Instance details

Defined in UsualCategories.Zero

Methods

showsPrec :: Int -> Zero -> ShowS

show :: Zero -> String

showList :: [Zero] -> ShowS

PrettyPrintable Zero Source # 
Instance details

Defined in UsualCategories.Zero

Methods

pprint :: Zero -> String Source #

Morphism Zero Zero Source # 
Instance details

Defined in UsualCategories.Zero

GeneratedFiniteCategory Zero Zero Zero Source # 
Instance details

Defined in UsualCategories.Zero

Methods

genAr :: Zero -> Zero -> Zero -> [Zero] Source #

decompose :: Zero -> Zero -> [Zero] Source #

genArrows :: Zero -> [Zero] Source #

FiniteCategory Zero Zero Zero Source # 
Instance details

Defined in UsualCategories.Zero

Methods

ob :: Zero -> [Zero] Source #

identity :: Zero -> Zero -> Zero Source #

ar :: Zero -> Zero -> Zero -> [Zero] Source #

arrows :: Zero -> [Zero] Source #