My purpose in this study is to explore various forms of irrationality and to name some true irrationals in order to find the bounds of reason. The irrational-if there is such -sets a priori limits to philosophical investigation, for reason must stop before unreason's province. I begin by defining a primary meaning of rational. Forming, then, by opposition, the genus irrational, I analyze the various species of the irrational traditionally offered as true irrationals. I then judge which irrationals do inhere in in nature or in spirit. PART I THE IRRATIONALITY OF THE WORLD CHAPTER] REASON To...