Again we should discern whence the notions called secondary derived their origin, and consequently the axioms on which they are founded, and other points of interest connected with these questions.
Finka genezake bestalde, nondik datozen Bigarrenak deitzen ditugun nozioak, eta, beraz, hauen gainean oinarritzen diren axiomak eta gai horien inguruan askotan gogoratu zaizkidan gauza batzuk.