feat(ring_theory/localization): b is linear independent over R iff l.i. over `Frac(R)` (#13041)
feat(ring_theory/localization): b is linear independent over R iff l.i. over `Frac(R)` (#13041)

Co-authored-by: Junyan Xu <junyanxumath@gmail.com>



Co-authored-by: Anne Baanen <839f20e486a83a313cf46ca4094e2de98129fc5d@users.noreply.github.com>

leanprover-community/mathlib,leanprover-community/mathlib