Homotopy Type Theory relation > history (Rev #4)

Definition

A relation over a type family $A$ indexed by a type $I$ is a predicate $R$ over the dependent product? type

A binary relation over types $A$ and $B$ is a predicate $\mapsto$ over the product type $A \times B$.

See also

• directed graph

• predicate

• proposition

• type family

• functional relation