This publication is the second in the "Research in Design" series. Design is an effort that enjoys a growing attention in the academic world. At Delft University of Technology design is a recognized part of science. Like other technical universities, Delft is rooted in the engineering field. In...

The thesis of this paper is that Keynes wrote A Treatise on Probability contrasting his view to the frequentist theory, systematised by John Venn, which denied to probability any sort of utility in decision theory. Keynes's problem was of finding an alternative theory to be utilised as a guide...