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Theorem real.angle.sign_two_zsmul_eq_sign_iff

Modification history

2022-12-05 05:36
src/analysis/special_functions/trigonometric/angle.lean
feat(analysis/special_functions/trigonometric/angle): `to_real` lemmas (#17395) …
Added real.angle.sign_two_zsmul_eq_sign_iffView on Github →