Cogito, ergo sum: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article title updated for style. Oct 31, 2026
Invalidated site: CORE - The Cogito Proposition of Descartes and Characteristics of His Ego Theory (PDF). Jul 23, 2026
Add new Web site: BBC Sounds - In Our Time - Cogito Ergo Sum. Jan 06, 2025
Add new Web site: National Center for Biotechnology Information - PubMed Central - Cogito ergo sum: A commentary. Jul 26, 2024
Add new Web site: CORE - The Cogito Proposition of Descartes and Characteristics of His Ego Theory (PDF). Jan 25, 2024
Add new Web site: Academia - The Cogito Ergo Sum: An Introduction. Sep 08, 2023
Added cross-reference to the Britannica article “Meditations on First Philosophy.” Feb 28, 2023
Add new Web site: Academia - Descrates Philosophy - "I think, therefore I am". Feb 12, 2016
Article revised. Apr 16, 2015
Replaced photograph. Aug 22, 2014
Media added. Feb 04, 2009
Added new Web site: Stanford Encyclopedia of Philosophy - Descartes. Sep 13, 2007
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: