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Theorem inner_product_geometry.norm_add_sq_eq_norm_sq_add_norm_sq_iff_angle_eq_pi_div_two

Modification history

2022-10-13 06:01
src/geometry/euclidean/angle/unoriented/right_angle.lean
refactor(geometry/euclidean): split up unoriented angles (#16942) …
Modified inner_product_geometry.norm_add_sq_eq_norm_sq_add_norm_sq_iff_angle_eq_pi_div_twoView on Github →
2021-04-28 19:37
src/geometry/euclidean/triangle.lean
chore(*): use `sq` as convention for "squared" (#7368) …
Added inner_product_geometry.norm_add_sq_eq_norm_sq_add_norm_sq_iff_angle_eq_pi_div_twoView on Github →