About Deaf-Blindness > What is Deaf-Blindness. Deaf-blindness is a low incidence disability and within this very small group of children there is great variability. Many children who are deaf-blind have some usable vision and/or hearing. The majority of children who are deaf-blind also have additional physical, medical and/or cognitive problems.
Introduction-David Hume. The Philosopher David Hume is famous for making us realize that until we know the Necessary Connection / cause of things then all human knowledge is uncertain, merely a habit of thinking based upon repeated observation (induction), and which depends upon the future being like the past.
1 Hume defines liberty, however, as a power of acting or not acting, according to the determinations of the will.. 2  Thus, we are free if we can say our will caused our actions. 3  This is called compatibilism.. 4  Note that what Hume has done is argue that this problem in part goes away if we get clear about our concepts.