A. MS. notebook
LOGIC (MS 339-1009)
CSP comments on his own article of November 13, 1867 (G-1867-1e) and adds a 6th section entitled "Of Natural Classification," an attempt to say precisely what a natural class is.
Classification, Comprehension, logical (see also Connotation), Extension logical, Logic (modal see Modality)
LOGIC / PRACTICAL LOGIC, NOTES, FRAGMENTS