Theorem FormalGroup.Xzero_subst_Xzero

Modification history

2026-06-30 06:44
Mathlib/RingTheory/FormalGroup/Basic.lean
feat(FormalGroup): `F(X,0)=X` and `F(0,X)=X` (#38052) …
Added FormalGroup.Xzero_subst_XzeroView on Github →