The Commens Dictionary
Quote from ‘One, Two, Three: Fundamental Categories of Thought and of Nature’
Thus, the three essential elements of a network of roads are road about a terminus, roadway-connection, and branching; and in like manner, the three fundamental categories of fact are, fact about an object, fact about two objects (relation), fact about several objects (synthetic fact).
‘Categories’ (pub. 06.01.13-19:11). 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-one-two-three-fundamental-categories-thought-and-nature-2.