Cogito, ergo sum (See CSMK III 159, 161.) Another predecessor was Avicenna's "Floating Man" thought experiment on human self-awareness and self-consciousness. The 8th century Hindu philosopher Adi Shankara wrote in a similar fashion, No one thinks, 'I am not', arguing that one's existence cannot be doubted, as there must be someone there to doubt. The central idea of "cogito, ergo sum" is also the topic of Mandukya Upanishad. Spanish philosopher Gómez Pereira in his 1554 work "De Inmortalitate Animae", published in 1749, wrote ""nosco me aliquid noscere, & quidquid noscit, est, ergo ego sum"" ("I know that I know something, anyone who knows
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