Theorem MvPowerSeries.coeff_zero_iff

Modification history

2025-04-02 07:08
Mathlib/RingTheory/MvPowerSeries/Substitution.lean
feat(MvPowerSeries/Substitution): substitution of power series inside power series (#15158) …
Added MvPowerSeries.coeff_zero_iffView on Github →