Đang tải... (xem toàn văn)
Any projective R-module is a direct summand of a free module, and the statement now follows from the Proposition above, since free modules are clearly.. flat.2[r]
Any projective R-module is a direct summand of a free module, and the statement now follows from the Proposition above, since free modules are clearly.. flat.2[r]
Ngày đăng: 15/01/2021, 19:51