LOGIC (MS 339-1009)
pp. 1-2, with at least three other attempts, none going beyond p. 2, and with another six attempts to write the same, but under the subtitle "Rules of (their) Illative Transformation."
Graphs existential, Graphs logical (see also Diagram Eulerian; Graphs), Logic (modal see Modality), Science
pp. 1-2 plus variants
LOGIC / LOGICAL GRAPHS