Theorem UpperHalfPlane.denom_ne_zero_of_im

Modification history

2025-05-19 12:23
Mathlib/Analysis/Complex/UpperHalfPlane/MoebiusAction.lean
feat(Analysis/UpperHalfPlane, ModularForms): extend actions from GLPos to GL (#24830) …
Added UpperHalfPlane.denom_ne_zero_of_imView on Github →