The supernatural was an intellectual preoccupation for Scottish philosopher, theologian and later President of Princeton University James McCosh (1811-94), who attacked John Stuart Mill's 1843 System of Logic (also reissued in this series) for not addressing the issue of the supernatural. In this work, published in 1862, McCosh gives his full attention to the question, saying his aim was to 'disentangle the confusion' about the relationship between...