Proposition. 4. Chap. 10.
And what hath been said of Naturall and Habituall light of Reason and Habituall Knowledge, he now affirms of Actuall Knowledge. The severall Operations of the Soule, in apprehensions, affirmations, nega∣tions, &c. the severall Actings of Truth, are also the Souls Essence. And why? but because the Soule is Actus primus, and therefore its Essence must be Action; This Action likewise must Exist; which what else can it be but Rationall workings? and so the same with Actus Se∣cundus.
But his Lordship is much mistaken to think that actus primus is La∣tine for Action. Actus is of as large an extent as Potentia: Now there is potentia ad Esse, and potentia ad Formam, as well as potentia ad O∣perari. When Ens in potentiâ becoms Ens Actu, when that which was possible, is actually produced; its own Essence o•• Being is that Actus, which makes it Ens Actu, which was before Ens in Potentiâ: and this we call actus Entitativus, and it is better translated Actuality, then ei∣ther Action, or Activity. Again the Matter is capable of this or that Form, which we call potentia ad Formam (substantialem;) whereby it