What Mathematics Actually Is

Studying"What mathematics actually is?",We must explore it from many layers.courses and engles.First,study the outlooks on mathematics put forward by mathematicians and philosophers who do this from the directions and prospect of mathematics studying,at diffevent layers of mathematics' development in all periods of history.Then,study some outlooks on mathematics put forward by them who dissect trait of mathematics by using courses around mathematics as an angle of view.We can reach a deep going view of mathematical essence through a comprehensive study of the subject.