Index - H
| HasCoequalizers | Math.CocompleteCategory, Math.FiniteCategories.All | 
| HasCoproducts | Math.CocompleteCategory, Math.FiniteCategories.All | 
| HasEqualizers | Math.CompleteCategory, Math.FiniteCategories.All | 
| HasProducts | Math.CompleteCategory, Math.FiniteCategories.All | 
| Hat | |
| 1 (Type/Class) | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| 2 (Data Constructor) | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatA | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatAr | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatB | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatC | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatF | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatG | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatIdA | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatIdB | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatIdC | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| HatOb | Math.FiniteCategories.Hat, Math.FiniteCategories, Math.FiniteCategories.All | 
| horizontalComposition | Math.Categories.FunctorCategory, Math.FiniteCategories.FunctorCategory, Math.FiniteCategories, Math.Categories, Math.FiniteCategories.All |