LOGIC (MS 339-1009)
Necessary and probable deduction. Existential graphs: syntax and permissions.
Assurance, Deduction, necessary definitory (see also Necessity), Graphs existential, Logic (modal see Modality), Probability and Chance, Reasoning (probable see also Probability), necessary Reasoning, Syntax
p. 1-22, with 2 pp. of variants
LOGIC / MISCELLANEOUS 1869- 1913