The Commens Dictionary
Quote from ‘Preface’
…it would seem proper that in the present state of knowledge logic should be regarded as coëxtensive with General Semeiotic, the a priori theory of signs.
MS [R] 634:15
‘Logic’ (pub. 25.11.15-00:31). 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-preface-1.