Full Idea
That terms can be negated, that such negation is distinguishable from denial, and that propositions can be construed syntactically as predicationally tied pairs of terms, are important for the tree theory of predication, and for term logic.
Gist of Idea
Term logic rests on negated terms or denial, and that propositions are tied pairs
Source
George Engelbretsen (Trees, Terms and Truth [2005], 2)
Book Reference
'The Old New Logic', ed/tr. Oderberg,David S. [MIT 2005], p.32