The Commens Dictionary
Quote from ‘Useful for 3rd or 4th?’
I […] define Pure Mathematics as that Mathematics which leaves its assumptions entirely indeterminate in respects which have no bearing upon the manner in which they can be combined to produce conclusions.
MS [R] 466:10-11
‘Pure Mathematics’ (pub. 07.01.15-20:10). 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-useful-3rd-or-4th.