Cauchy's Theorem


 * Cauchy's Group Theorem, concerning elements of prime order in a group;
 * Cauchy's Theorem (Geometry): concerning congruent polytopes;
 * Cauchy's Mean Value Theorem: Cauchy's extension to the Mean Value Theorem;
 * Cauchy-Goursat Theorem: value of integrals in complex analysis;
 * Cauchy-Hadamard Theorem: radius of convergence of a power series;
 * Cauchy-Kovalevskaya Theorem: concerning existence and uniqueness of solutions of partial differential equations;
 * Cauchy-Lipschitz Theorem: concerning existence of solutions to certain differential equations (also known as Picard's Existence Theorem).
 * Cauchy-Peano Theorem: concerning existence of solutions to certain initial value problems.