‘Assertion’ (pub. 19.01.15-12:14). 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-reasons-rules-0.
Quote:
An assertion is an act by which a person makes himself responsible for the truth of a proposition.
Source:
Peirce, C. S. (1902 [c.]). Reason's Rules. MS [R] 599.
URL:
http://www.commens.org/dictionary/entry/quote-reasons-rules-0