1: Preliminaries.- 1.1 The central issues.- 1.2 The contributions of previous scholars.- 1.2.1 Satis Chandra Vidy?bh a?a.- 1.2.2 Th. Stcherbatsky.- 1.2.3 Satkari Mookerjee.- 1.2.4 Erich Frauwallner.- 1.2.5 Kitagawa Hidenori, Hattori Masaaki and Katsura Shoryu.- 1.2.6 Radhika Herzberger.- 1.3 The argument of this book.- Notes.- 2: Rational Skepticism in Pre-Di?n?gan Buddhism.- 2.1 The foundation of skepticism in the Nik?yas.- 2.1.1 The Sutta Nip?ta.-...