The Commens Dictionary
Quote from ‘Definitions for Baldwin's Dictionary [R]’
Material Logic. Any logical doctrine which considers the nature of the object reasoned about. The term is sometimes made a synonym of applied logic.
MS [R] 1147
‘Material Logic’ (pub. 11.08.17-11:10). 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-definitions-baldwins-dictionary-r-19.