George Plantagenet, 1st Duke of Clarence by being drowned in a butt of Malmsey wine). He appears as a character in William Shakespeare's plays "Henry VI, Part 3" and "Richard III", in which his death is attributed to the machinations of Richard. George was born on 21 October 1449 in Dublin at a time when his father, the Duke of York, had begun to challenge Henry VI for the crown. His godfather was James FitzGerald, 6th Earl of Desmond. He was the third of the four sons of Richard and Cecily who survived to adulthood. His father died in 1460. In 1461 his elder brother, Edward,
Brain in a vat a vat, then one cannot know whether most of one's beliefs might be completely false. Since, in principle, it is impossible to rule out oneself being a brain in a vat, there cannot be good grounds for believing any of the things one believes; a skeptical argument would contend that one certainly cannot "know" them, raising issues with the definition of knowledge. The brain in a vat is a contemporary version of the argument given in Hindu Maya illusion, Plato's Allegory of the Cave, Zhuangzi's "Zhuangzi dreamed he was a butterfly", and the evil demon in René Descartes' "Meditations on