The Commens Dictionary
Quote from ‘A Suggested Classification of the Sciences’
Metaphysics […] seeks to explain the constitution of the Physio-Psychical Universe.
MS [R] 1339:12
‘Metaphysics’ (pub. 04.05.15-19:02). 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-suggested-classification-sciences-4.