“Thus, they are free to replace some objects by others so long as the relations remain unchanged.Quote by Henri PoincareTopics: Quotes about Henri PoincareShare on:FacebookPinterestWhatsApp
Invention consists in avoiding the constructing of useless contraptions and in constructing the useful combinations...#Henri Poincare
If one looks at the different problems of the integral calculus which arise naturally when...#Henri Poincare
The mathematical facts worthy of being studied are those which, by their analogy with other...#Henri Poincare
