Robin Catalogue:
A. MS., n.p., October 5, 1903, pp. 2-88 (pagination by even numbers only), incomplete.
Alpha part of existential graphs: permissible operations. The Beta part. Difference between alpha-impossibility and beta-impossibility summarized [cf. MS. 457]. The Gamma part concerns what can logically be asserted of meanings. The distinction between regulative and constitutive (in Kant). The logical doctrine called “Pragmatism.” CSP claims that he has been unjustly called a sceptic, a second Hume. The “joke” about opium’s dormitive virtue. Possibility and necessity (Locke’s confusion). Qualities as mere possibilities. Relations are qualities of sets of subjects. Dyadic and triadic relations. All triadic relations are, more or less, thoughts. Doctrine of signs; icons, indices, and symbols.