‘Existence’ (pub. 29.05.14-14:40). 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-guess-riddle-9.
Quote:
The existence of things consists in their regular behavior.
Source:
Peirce, C. S. (1887-1888). A Guess at the Riddle. MS [R] 909.
URL:
http://www.commens.org/dictionary/entry/quote-guess-riddle-9