D. Tall, *Perceptions, operations and proof in undergraduate mathematics*. The De Morgan Journal 1 no. 1 (2011), 19-27. PDF file of the paper.

Professor David O. Tall (born 15 May 1941) is a mathematics education theorist at the University of Warwick. Personal homepage, Wikipedia.

The post is open for comments.

Hi, my name is Mariela i want to know about mathematical thinking. I am studing a master about blind people and mathematical thinking cause in my country does not exist. I do not speak English, but I hope you undertand me.

Tanks

Regards