The aim of this article is to analyse the "debate" between the positions of Kant, Jacobi and Hegel in relation to the notions of "belief" and “knowledge". In this way, through detailed study of the critical exposition of the "attitude" (Stellung) of thought before the so-called "immediate knowledge" -within The three attitudes of thought with respect to objectivity- that Hegel offers us in the “Preliminary Concept” in the "Science of Logic" of his Encyclopedia (Enz.-Vorbegriff zur Logik, §§ 19-78) we will be able to, not only analyse the distance that separates him from Kant with regard to the possible modes of relationship between the subjective "to take as true" (Fürwahrhalten) a judgment and the conviction regarding it (Mein...