Full Idea
The usual view of the meaning of truth-functors is that each is defined by its own truth-table, independently of any other truth-functor.
Gist of Idea
Truth-functors are usually held to be defined by their truth-tables
Source
David Bostock (Intermediate Logic [1997], 2.7)
Book Reference
Bostock,David: 'Intermediate Logic' [OUP 1997], p.46