... the life expectancy of the individ-UNCERTAINTY 1071. John Stuart Mill, A System of Logic Ratiocinative and Inductive (newimpression, London, 1 9 36 ), p. 35 3.Statement (d) is obviously inexact. ... of all events and changes is uniquelydetermined by eternal unchangeable laws governing becoming and devel-opment in the whole universe. We may consider the necessary connection and interdependence ... choosing and acting. We merely establish the fact that he chooses and acts and that we are at a loss to use the methods of the natural sciencesfor answering the question why he acts this way and...