Mathlib Changelog
v4
Changelog
About
Github
Theorem
PowerSeries.subst_zero_eq_C_constantCoeff
Modification history
2026-06-30 06:44
Mathlib/RingTheory/PowerSeries/Substitution.lean
feat(FormalGroup): `F(X,0)=X` and `F(0,X)=X` (#38052) …
Added
PowerSeries.subst_zero_eq_C_constantCoeff
View on Github →