@unpublished{Peircend,
author = "Charles S. Peirce",
title = "{Dyadic Value System [R]. MS [R] 6}",
year = nd,
abstract = "{A. MS., n.p., n.d., 2 pp.
The simplest of value systems serves as the foundation for mathematics and, indeed, for all reasoning, because the purpose of reasoning is to establish the truth or falsity of our beliefs, and the relationship between truth and falsity is precisely that of a dyadic value system.
}",
keywords = "Logistic, Arithmetic",
language = "English",
note = "From the Commens Bibliography | \url{http://www.commens.org/bibliography/manuscript/peirce-charles-s-nd-dyadic-value-system-r-ms-r-6}"
}