"If geometry is dressed in a suit coat, topology dons jeans and a T-shirt."

"Presentday topology consists of two distinct parts: point set topology and algebraic topology. The first has mainly b…"

"In these days the angel of topology and the devil of abstract algebra fight for the soul of each individual mathemati…"

"The process of reasoning called "Mathematical Induction" has had several independent origins. It has been traced back…"

"The method represents a best approximation algorithm of minimal length that, owing to several minimization properties…"

"This method is supreme above all praise; it is certainly the finest thing accomplished in number theory before Lagrange."

"Multiply the arc by the square of the arc, and take the result of repeating that [any number of times]. Divide [each …"

"This is as I have said in my Arithmetic:—The area of a circle is equal to the product of the circumference by one-fou…"

"A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed.The ax…"

"Having fixed a pole, on a level piece of ground, and having described a circle by a cord attached to the pole, one sh…"