Even when one imagines a mountain of gold...

Even when one imagines a mountain of gold, is it because you have already seen a mountain of gold? Or rather because you have seen a mountain and you have seen gold? Your mind then combines these two sensational perceptions into one.

Positivists, such as French mathematician and philosopher Auguste Comte of the 19th century, further developed the idea of empiricists and based their philosophy on experience and empirical knowledge of natural phenomena, in which metaphysics and theology are regarded as inadequate and imperfect systems of knowledge. During the early 20th century a group of philosophers who were concerned with developments in modern science, rejected the traditional positivist ideas that held personal…