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Frederik Wellmann
A. MS.
LOGIC (MS 339-1009)
The first part of the manuscript is concerned with logical algebra. CSP's graphical method (pp. 52-78), with a note that "my cumbrous General Algebra with all its faults, seems preferable." Pages 78 ff. present another algebraic system which is labelled the "Algebra of Dyadic Relatives" and which "seems to have fascinated Professor Schr^der much more than it has me." The Algebra of Triadic Logic is mentioned ("But I have never succeeded in perfecting it").
Graphs logical (see also Diagram Eulerian; Graphs), Logic (modal see Modality), triadic Logic, dyadic Relation, ethics of Terminology
pp. 27-98, incomplete and in some disorder, with missing sections and many alternatives and/or rejects
u
513
n.p.
LOGIC / LOGICAL GRAPHS
yes
