« Dirichlet Product of Species

FinSet is closed under cartesian products [00DZ]

FinSet is closed under cartesian products. Proof. See Notebook I.

Backlinks

Definition. cartesian decomposition [00DQ]

Given a finite set , we define the type of cartesian decompositions by

Where cartesian product in FinSet.

hello world

Notation. [00E0]

For finite sets and , we write for finte set that is the cartesian product of and as constructed here. By abuse of notation we will sometimes just write .