Full Idea
Orthodox truthmaker theory (Armstrong's) entails Maximalism (that every true proposition has at least one truthmaker), and Necessitarianism (that the existence of a truthmaker necessitates the truth of its proposition).
Gist of Idea
Orthodox Truthmaker applies to all propositions, and necessitates their truth
Source
Ross P. Cameron (Truthmakers, Realism and Ontology [2008], 'Max and Nec')
Book Reference
'Being: Developments in Contemporary Metaphysics', ed/tr. Le Poidevin,R [CUP 2008], p.107
A Reaction
I think I accept both of these. If you say only some truths have truthmakers, the other truths are then baffling. And how could a truthmaker fail in its job? But that doesn't necessitate the existence of the proposition.