From the Robin Catalogue:
A. MS., G-c.1905-1, pp. 1-134 (p. 27 and pp. 109-120 missing), with 40 pp. Of variants and 1 p. (“Contents of G”).
Published, in part, as 2.755-772, except 757nl (pp. 44-108, except 86-87). Unpublished: Dedication “to the friend of my dreams.” Autobiographical notes on CSP’s early interest in logic. Neglected (“Humble”) argument presented. Logical critic. The nature of real doubt and inquiry. Man’s tendency toward correct conjectures illustrated. Retroduction and deduction. The division of signs into iconic, indexical, and symbolic. Two kinds of deductions: definitory and ratiocinative. The correction of crude induction, e.g., argument against miracles. Scholastic realism.