General Vector Spaces (Help!)

Let B be a basis for R^n. Prove that vectors v1,v2,...,vk form a linearly independent set in R^n iff the vectors [v1]B,[v2]B,...,[vk]B form a linearly independent set in R^n.

notation [v1]B means [v1]subscriptB

36 minutes ago

can you elaborate more on the subscript B thing