First, regarding the said form in which dialectic usually makes its appearance, it is to be observed that according to that form the dialectic and its result affect a subject matter which is previously assumed or also the subjective cognition of it, and declare either the latter or the subject matter to be null and void, while, on the contrary, no attention is given to the determinations which are exhibited in the subject matter as in a third thing and presupposed as valid for themselves.