Theorem isCusp_iff_of_relIndex_ne_zero

Modification history

2025-09-13 17:16
Mathlib/NumberTheory/ModularForms/Cusps.lean
chore(GroupTheory/Index): rename `relindex` to `relIndex` (#19872) …
Added isCusp_iff_of_relIndex_ne_zeroView on Github →