@unpublished{Peircend,
author = "Charles S. Peirce",
title = "{Logic of Quantity. MS [R] 20}",
year = nd,
abstract = "{Robin Catalogue:
A. MS., n.p., n.d., pp. 1-5; 1-4, 3-5; plus a single-page table of contents (“Contents”) and 3 rejected pages.
Definitions, corollaries, theorems, and problems. The theorems and problems differ from those in MS. 19.
}",
keywords = "Proceeding, Incompossibility, Identity, Collection, Semi-correspondence, Enumerable Collection, Inenumerable Collection",
language = "English",
note = "From the Commens Bibliography | \url{http://www.commens.org/bibliography/manuscript/peirce-charles-s-nd-logic-quantity-ms-r-20}"
}
