ghosts of departed quantities

6 examples (0.03 sec)
  • May we not call them the Ghosts of departed Quantities?
  • Today the phrase "ghosts of departed quantities" is also used when discussing Berkeley's attacks on other possible foundations of Calculus.
  • Berkeley coined the phrase Ghosts of departed quantities, familiar to students of calculus.
  • Bishop Berkeley memorably attacked the vanishing increments used by Newton, calling them "ghosts of departed quantities".
  • Berkeley famously described infinitesimals as the ghosts of departed quantities in his book The Analyst in 1734.
  • Berkeley's criticism centered on a perceived shift in hypothesis in the definition of the derivative in terms of infinitesimals (or fluxions), where dx is assumed to be nonzero at the beginning of the calculation, and to vanish at its conclusion (see Ghosts of departed quantities for details).