‘Mathematics’ (pub. 11.09.14-10:36). 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-logic-quantity-and-especially-infinity.
Quote:
Mathematics may be defined as the study of the substance of exact hypotheses. It comprehends
1st, the framing of hypotheses, and
2nd, the deduction of their consequences.
Source:
Peirce, C. S. (1895 [c.]). On the Logic of Quantity, and especially of Infinity. MS [R] 16.
URL:
http://www.commens.org/dictionary/entry/quote-logic-quantity-and-especially-infinity