Left module homomorphism

Set

context $M,N$…left $\mathcal R$-module
definiendum $A\in \mathrm{Hom}_{\mathcal R}(M,N)$
context $A:M\to N$
postulate $A\ (r\cdot x+s\cdot y)=r\cdot A\ x+s\cdot A\ y$

Discussion

Reference

Wikipedia: Module

Parents

Context

Left module