The Commens Dictionary
Quote from ‘Reason's Conscience: A Practical Treatise on the Theory of Discovery; Wherein logic is conceived as Semeiotic’
Mathematics is the study of what is or is not logically possible, without undertaking to ascertain what actually exists.
NEM 4:191; HP 2:825
‘Mathematics’ (pub. 07.08.16-16:37). 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-reasons-conscience-practical-treatise-theory-discovery-wherein-logic-5.