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Theorem inner_product_geometry.norm_add_square_eq_norm_square_add_norm_square_iff_angle_eq_pi_div_two

Modification history

2021-04-28 19:37
src/geometry/euclidean/triangle.lean
chore(*): use `sq` as convention for "squared" (#7368) …
Deleted inner_product_geometry.norm_add_square_eq_norm_square_add_norm_square_iff_angle_eq_pi_div_twoView on Github →
2020-08-24 19:17
src/geometry/euclidean.lean
refactor(geometry/euclidean): split up file (#3926) …
Modified inner_product_geometry.norm_add_square_eq_norm_square_add_norm_square_iff_angle_eq_pi_div_twoView on Github →
2020-06-08 19:36
src/geometry/euclidean.lean
feat(geometry/euclidean): angles and some basic lemmas (#2865) …
Added inner_product_geometry.norm_add_square_eq_norm_square_add_norm_square_iff_angle_eq_pi_div_twoView on Github →