GP's comment still stands: how many properties of the duck does a simulation need to exhibit before it can be considered an accurate simulation? If it looks li

GP's comment still stands: how many properties of the duck does a simulation need to exhibit before it can be considered an accurate simulation? If it looks like a duck and quacks like a duck but isn't made of duck meat, you probably don't want to eat it. If it looks like a duck and quacks like a duck but doesn't have feathers, you probably don't stuff its skin covering in your pillows.