24515
Open
Frederik Wellmann
A. MS.
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
1911-05-25/1911-06-02
MS0669_004
(A Thr R)
1911-05-25/1911-06-02