In the next place we must treat of things concerning the will of the angels.
In the first place we shall treat of the will itself; secondly, of its movement, which is love.
Under the first heading there are four points of inquiry:
A1 Whether there is will in the angels?
A2 Whether the will of the angel is his nature, or his intellect?
A3 Is there free-will in the angels?
A4 Is there an irascible and a concupiscible appetite in them?