And what s more interesting is that canadian mathematicians were said to be maoist in 70 s because they talked about " reactionary math " and " revolutionary math " in the sense how easy they can be understood by layman “哎,一回事,一回事,就是在联合国那喊两句冤想要改嫁另立门户就可以向老寡妇那领钱,如果再进一步答应让老寡妇过去坐坐会会老相好还会另有红包相送。 ”