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 First Philosophy". Brain-in-a-vat scenarios—or closely related scenarios in which the protagonist is in a virtual reality simulation and unaware of this fact—have also been used for purposes other than skeptical arguments. For example, Vincent Conitzer uses such a scenario to illuminate further facts—facts that do not follow logically from the physical facts—about qualia (what it is "like" to have specific experiences), indexicality (what time it is "now" and who "I" am), and personal identity. Specifically, imagine a person in the real world who is observing a simulated world on a screen, from the perspective of one of the simulated agents