Theorem MvPowerSeries.exists_coeff_ne_zero_and_order

Modification history

2024-11-12 19:15
Mathlib/RingTheory/MvPowerSeries/Order.lean
feat(MvPowerSeries.Order): order of multivariate power series (#14983)
Added MvPowerSeries.exists_coeff_ne_zero_and_orderView on Github →