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Theorem real.angle.abs_to_real_neg_coe_eq_self_iff

Modification history

2022-08-22 20:33
src/analysis/special_functions/trigonometric/angle.lean
feat(analysis/special_functions/trigonometric/angle): `to_real` (#16007) …
Added real.angle.abs_to_real_neg_coe_eq_self_iffView on Github →