The Commens Dictionary
Quote from ‘The Critic of Arguments. II. The Reader is Introduced to Relatives’
I will only mention here that the ideas which belong to the three forms of rhemata are firstness, secondness, thirdness; firstness, or spontaneity; secondness, or dependence; thirdness, or mediation.
‘Firstness’ (pub. 08.01.13-19:12). 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-critic-arguments-ii-reader-introduced-relatives-0.