Can the existence of a mathematical entity be proved without defining it ? — Jacques Hadamard Copy Share Image
To parents who despair because their children are unable to master the first problems in arithmetic I can dedicate my examples. For, in arithmetic,… — Jacques Hadamard Copy Share Image
The object of mathematical rigor is to sanction and legitimize the conquests of intuition, and there was never any other object for it. — Jacques Hadamard Copy Share Image
Practical application is found by not looking for it, and one can say that the whole progress of civilization rests on that principle. — Jacques Hadamard Copy Share Image
The shortest path between two truths in the real domain passes through the complex domain. — Jacques Hadamard Copy Share Image
Can the existence of a mathematical entity be proved without defining it ? — Jacques Hadamard Copy Share Image
