Age of Enlightenment Louis XV until the French Revolution. If taken back to the mid-17th century, the Enlightenment would trace its origins to Descartes' "Discourse on the Method", published in 1637. In France, many cited the publication of Isaac Newton's "Principia Mathematica" in 1687. It is argued by several historians and philosophers that the beginning of the Enlightenment is when Descartes shifted the epistemological basis from external authority to internal certainty by his "cogito ergo sum" published in 1637. As to its end, most scholars use the last years of the century, often choosing the French Revolution of 1789 or the beginning of
Cogito (software) a simple user interface sufficient for common workflows. As of May 2006, Cogito has only 41 sub-commands, compared to Git's 119. Some features that started in Cogito migrated later to Git, making Git more suitable for standalone use. As an example of simplification of the interface, Cogito hides the concept of "index cache" from the users. Any modified file is considered eligible for commit by Cogito, just as in CVS or Subversion. Cogito has full compatibility with remote Git repositories. It also retains a high degree of compatibility with Git for local operations. Many Git commands can be used safely