Edward IV of England Richard, Duke of Gloucester (later King Richard III of England), were married to Isabel Neville and Anne Neville. Both were daughters of Warwick by Anne Beauchamp and rival heirs to the considerable inheritance of their still-living mother, leading to a dispute between the brothers. In 1478 George was eventually found guilty of plotting against Edward, imprisoned in the Tower of London, and privately executed on 18 February 1478. According to a long-standing tradition, he was "drowned in a butt of Malmsey wine". Edward did not face any further rebellions after his restoration, as the Lancastrian line had virtually been extinguished.
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