36KiB, 460x574, IS COFFEEE GOOD FOR YOUUUU.jpg View SameGoogleiqdbSauceNAO WEIRD PROOF Anonymous Mon 30 Nov 13:37:56 2020 No.12403125 ViewReplyOriginalReport Quoted By: >>12403187 >>12403194 >>12403363 It be U a linear subspace and B a subset and basis of U how do you proof that a subset E of the basis B is B