Mathlib Map

Theorems · Theorem · geometry

Orientation.oangle_smul_right_of_pos

∀ {V : Type u_1} [inst : NormedAddCommGroup V] [inst_1 : InnerProductSpace ℝ V] [inst_2 : Fact (Module.finrank ℝ V = 2)]
  (o : Orientation ℝ V (Fin 2)) (x y : V) {r : ℝ}, 0 < r → o.oangle x (r • y) = o.oangle x y

Multiplying the second vector passed to oangle by a positive real does not change the angle.

Defined in
Mathlib.Geometry.Euclidean.Angle.Oriented.Basic
Cited by
10 results in Mathlib
Foundations
Depth 252 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
NormedAddCommGroupInnerProductSpaceFact

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Orientation.oangle_smul_right_of_neg · cited by 7Orientation.oangle_smul_r…Orientation.oangle_add_right_smul_rotation_pi_div_two · cited by 4Orientation.oangle_add_ri…Orientation.oangle_smul_right_self_of_nonneg · cited by 2Orientation.oangle_smul_r…Orientation.oangle_sign_smul_right · cited by 2Orientation.oangle_sign_s…Orientation.oangle_eq_iff_eq_norm_div_norm_smul_rotation_of_ne_zero · cited by 2Orientation.oangle_eq_iff…Orientation.oangle_eq_iff_eq_pos_smul_rotation_of_ne_zero · cited by 2Orientation.oangle_eq_iff…Orientation.two_zsmul_oangle_smul_right_of_ne_zero · cited by 1Orientation.two_zsmul_oan…Orientation.angle_eq_iff_oangle_eq_or_sameRay · cited by 1Orientation.angle_eq_iff_…EuclideanGeometry.oangle_homothety · cited by 0EuclideanGeometry.oangle_…EuclideanGeometry.oangle_eq_of_parallel · cited by 0EuclideanGeometry.oangle_…DFunLike.coe · cited by 62936DFunLike.coeReal · cited by 25697RealNormedAddCommGroup · cited by 15752NormedAddCommGroupComplex · cited by 5565ComplexInnerProductSpace · cited by 3523InnerProductSpaceFact · cited by 2726FactModule.finrank · cited by 1770Module.finrankmap_smul · cited by 566map_smulReal.Angle · cited by 518Real.AngleReal.Angle.coe · cited by 360Angle.coeOrientation · cited by 360OrientationComplex.arg · cited by 220Complex.argOrientation.oangle · cited by 205Orientation.oangleOrientation.kahler · cited by 39Orientation.kahlerComplex.arg_real_mul · cited by 11Complex.arg_real_mulOrientation.oangle_smul_right…CITED BYCITES

Cites15

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Cited by10

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