The Commens Dictionary
Quote from ‘A Logical Criticism of the Articles of Religious Belief’
By Deduction, or mathematical reasoning, I mean any reasoning which will render its conclusion as certain as its Premisses, however certain these may be.
MS [R] 856:2
‘Deduction’ (pub. 22.08.17-09:50). 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-logical-criticism-articles-religious-belief-0.