‘Pure Mathematics’ (pub. 08.01.15-17:25). 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-lecture-5-vol-2.
Quote:
Pure mathematics differs from mathematics in general in not admitting into its hypotheses any element that does affect their logical possibility or impossibility.
Source:
Peirce, C. S. (1903). Lecture 5,. Vol. 2. MS [R] 470.
URL:
http://www.commens.org/dictionary/entry/quote-lecture-5-vol-2