Full Idea
Theories of truth and theories of predication are closely related: it seems probable that any comprehensive theory of truth will include a theory of predication.
Gist of Idea
A comprehensive theory of truth probably includes a theory of predication
Source
Donald Davidson (Truth and Predication [2005], 6)
Book Reference
Davidson,Donald: 'Truth and Predication' [Belknap Harvard 2005], p.121
A Reaction
Davidson defends the view that it is this way round. It is tempting to label them both as 'primitive'. Davidson distinguishes a 'theory' about truth from a 'definition'.