This man's theorem says that the only hypercomplex number systems with commutative multiplication and addition are the Gaussian integers and the algebra with one unit such that I equals I-squared.
This man's theorem says that the only hypercomplex number systems with commutative multiplication and addition are the Gaussian integers and the algebra with one unit such that I equals I-squared. FTP, give this man who names an M-test for uniform convergence and a special case of the Heine-Borel theorem with Bolzano.
This man's theorem says that the only hypercomplex number systems with commutative multiplication and addition are the Gaussian integers and the algebra with one unit such that I equals I-squared.
Karl {Weierstrass}