The Commens Dictionary
Quote from ‘Philosophy in the Light of the Logic of Relatives’
Formal logic is mathematics; it is the most abstract branch of mathematics. But no other logic is called for in pure mathematics.
MS [R] 1336:11
‘Formal Logic’ (pub. 04.05.15-19:54). 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-philosophy-light-logic-relatives-1.