Necessary and probable deduction. Syntax of existential graphs. Essential nature of a sign.
Assurance, Deduction, necessary definitory (see also Necessity), Graphs existential, Logic (modal see Modality), Probability and Chance, Reasoning (probable see also Probability), necessary Reasoning, Sign(s), Syntax
pp. 1-32, with 4 pp. of variants
(A Thru R)