Cogito, ergo sum Cogito, ergo sum This proposition became a fundamental element of Western philosophy, as it purported to form a secure foundation for knowledge in the face of radical doubt. While other knowledge could be a figment of imagination, deception, or mistake, Descartes asserted that the very act of doubting one's own existence served—at minimum—as proof of the reality of one's own mind; there must be a thinking entity—in this case the self—for there to be a thought. Descartes first wrote the phrase in French in his 1637 "Discourse on the Method". He referred to it in Latin without explicitly stating the
Ergo Proxy to steal the spotlight from Vincent. This gave them the opportunity to split the narrative between the two characters instead of having a single protagonist lead the story. In Japan, "Ergo Proxy" aired on pay-TV satellite broadcasting network WOWOW from 25 February 2006, concluding on August 12, 2006. "Ergo Proxy" was then released by Geneon Entertainment onto nine DVD volumes from May 25, 2006 to January 25, 2007. The series was licensed by Geneon Entertainment USA for Region 1 release, which began on November 21, 2006 and spanned six volumes. The English dub of "Ergo Proxy" premiered on Fuse TV