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PowerSeries.Unit_of_divided_by_X_pow_order_nonzero
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) …
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PowerSeries.Unit_of_divided_by_X_pow_order_nonzero
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