∫ Утверждение Mathlib
neg_rotation_pi_div_two
Mathlib.Geometry.Euclidean.Angle.Oriented.Rotation
URI: https://scilib.ai/kg/mathlib#Orientation.neg_rotation_pi_div_two
∫ Утверждение Mathlib
Mathlib.Geometry.Euclidean.Angle.Oriented.Rotation
URI: https://scilib.ai/kg/mathlib#Orientation.neg_rotation_pi_div_two