Full Idea
All objections are dogmatic, critical or sceptical. A dogmatic objection is directed against a proposition, but a critical one is directed against a proof. ..The sceptical objection puts the proposition and its opposite over against one another as equals.
Gist of Idea
All objections are dogmatic (against propositions), or critical (against proofs), or sceptical
Source
Immanuel Kant (Critique of Pure Reason [1781], B406-/A388)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.435
A Reaction
This is a nice distinction, and I would think that the hallmark of a philosophical person is that they are always looking for critical objections, because they want beliefs to be supported by good reasons, not prejudices.