LOGIC (MS 339-1009)
On existential graphs. A defect in the system: There is no proper form for expressing the proposition that "There is some clergyman who praises every lawyer each to a doctor, so that for every possible distribution of such praises, there is a distinct clergyman who performs the praise."
Graphs existential, Graphs logical (see also Diagram Eulerian; Graphs), Logic (modal see Modality)
LOGIC / LOGICAL GRAPHS