First principle foundationalist system of philosophy. He used the "method of doubt", now called Cartesian doubt, to systematically doubt everything he could possibly doubt, until he was left with what he saw as purely indubitable truths. Using these self-evident propositions as his axioms, or foundations, he went on to deduce his entire body of knowledge from them. The foundations are also called "a priori" truths. His most famous proposition is "Je pense, donc je suis." ("I think, therefore I am", or "Cogito ergo sum") Descartes describes the concept of a first principle in the following excerpt from the preface to the "Principles
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