‘Logic’ (pub. 28.11.15-10:44). 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-chap-xi-logical-breadth-and-depth.
Quote:
…Logic is the study of the laws of signs so far as these denote things – those laws of signs which determine what things they denote and what they do not…
Source:
Peirce, C. S. (1873). Chap. XI. On Logical Breadth and Depth. MS [R] 384; MS [W] 233.
URL:
http://www.commens.org/dictionary/entry/quote-chap-xi-logical-breadth-and-depth