My book writes: A vector in $F^n$ may be regarded as a matrix $M_{n\times 1}(F)$. (true / false)
What is $F$ or $F^n$, and how does the notation $M_{m\times n}(F)$ work? The books also likes to use $M_n(\mathbb{R})$. That is referring to the same basic thing?
Thank you :)