The Commens Dictionary
Quote from ‘Chap. XI. On Logical Breadth and Depth’
The essential depth of a term which is sometimes called its essence consists of the really conceivable qualities predicated of it in its definition. This is one of the most important features of logic.
‘Essential Depth’ (pub. 28.11.15-11:05). 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-6.