1) Statement of the result. 2) A F.g as a ring over B vs. A f.g as a module over B: latter iff feinter+integral over B; 3) integral: don’t forget monic poly
1) Statement of the result. 2) A F.g as a ring over B vs. A f.g as a module over B: latter iff feinter+integral over B; 3) integral: don’t forget monic poly