Full Idea
The coherence theory of truth says that it is a relationship between truth-bearers themselves, that is between propositions or beliefs or sentences.
Gist of Idea
The coherence theory says truth is an internal relationship between groups of truth-bearers
Source
Pascal Engel (Truth [2002], §1.1)
Book Reference
Engel,Pascal: 'Truth' [Acumen 2002], p.11
A Reaction
We immediately begin to wonder how many truth-bearers are required. Two lies can be coherent. It is hard to make thousands of lies coherent, but not impossible. What fixes the critical number. 'All possible propositions' is not much help.