Hello friends, abstract algebra is not my cup of tea so I was wondering if you could help me to solve these two exercises.
1.- Let be a commutative ring and unitary. Prove that is a R-module.
2.- Let M be a R-module and let N be a R-submodule of M. Prove that the canonical homomorphism, defined by the formula: , is a R-epimorphism with kernel N.
Thank you SO MUCH