The Commens Dictionary

Quote from ‘Logical Tracts. No. 2. On Existential Graphs, Euler's Diagrams, and Logical Algebra’


A graph is a superficial diagram composed of the sheet upon which it is written or drawn, of spots or their equivalents, of lines of connection, and (if need be) of enclosures. The type, which it is supposed more or less to resemble, is the structural formula of the chemist.

1903 [c.]
CP 4.419
‘Graph’ (pub. 21.04.14-14:56). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from
Apr 21, 2014, 14:56 by Mats Bergman
Last revised: 
Apr 21, 2014, 15:10 by Mats Bergman