‘Necessary Deduction’ (pub. 18.03.18-12:41). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-graphs-little-account-r-0.
Quote:
Necessary deduction is that sort of inference in which the fact concluded is conceived to be involved in the facts premised. It is the reasoning of mathematical demonstration.
Source:
Peirce, C. S. (1903). Graphs, Little Account [R]. MS [R] S27.
URL:
http://www.commens.org/dictionary/entry/quote-graphs-little-account-r-0