‘General Rhetoric’ (pub. 27.01.13-20:20). 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-harvard-lectures-logic-science-lecture-viii-forms-induction-and-hypothesis-0.
Quote:
The science of the general laws of relations of symbols to logoi is general grammar. The science of the general laws of their relations to objects is logic. And the science of the general laws of their relations to other systems of symbols is general rhetoric.
Source:
Peirce, C. S. (1865). Harvard Lectures on the Logic of Science. Lecture VIII: Forms of Induction and Hypothesis. MS [W] 105; MS [R] 346, 758.
URL:
http://www.commens.org/dictionary/entry/quote-harvard-lectures-logic-science-lecture-viii-forms-induction-and-hypothesis-0