As an instance of the mind affecting the body, this philosopher cited the fear that a man might feel crossing a tree-trunk over a gorge. According to tradition, this philosopher illustrated the faculty of “prehension” by putting a wolf within sight of a caged sheep, (15[1])which, though in no danger, died of stress. This philosopher argued that the contingent universe requires a “necessary existent” (15[3])in a unique proof (15[2])of the existence (15[2])of God. (15[1])This philosopher demonstrated the existence of the (*) soul (10[1])with an “argument (10[1])from abstraction,” (10[3]-5[1])which considers an adult man who pops into (10[1])existence (10[1])and receives (10[1])no data from his (10[1])senses. (10[1]-5[1])That thought experiment (-5[1])is this philosopher’s “Floating (10[1])Man.” (10[1])For 10 points, name this Islamic philosopher who authored the philosophical Book of Healing, as well as the Canon of Medicine. (10[1])■END■ (10[1]0[1])