Theorem PowerSeries.isUnit_divided_by_X_pow_order

Modification history

2024-04-17 16:44
Mathlib/RingTheory/PowerSeries/Inverse.lean
feat (RingTheory/PowerSeries): Add basic lemmas aiming at proving that power series over a field are a DVR (#12160) …
Added PowerSeries.isUnit_divided_by_X_pow_orderView on Github →