The Commens Dictionary
Quote from ‘On the Foundations of Mathematics’
A sign which separately specifies what object is represents is a proposition; and a mere icon cannot do this. An index may; as a weather-cock does.
MS [R] 8:4
‘Proposition’ (pub. 20.08.17-15:06). 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-foundations-mathematics-4.