Let $F$ a field and $V$ an $F$-module (i.e. an $F$-vector space). Then $V$ has a basis, and so $V$ is free. All free modules are projective, so $V$ is projective too.
Is this ok?
Let $F$ a field and $V$ an $F$-module (i.e. an $F$-vector space). Then $V$ has a basis, and so $V$ is free. All free modules are projective, so $V$ is projective too.
Is this ok?
Copyright © 2021 JogjaFile Inc.