Affine.Simplex.ExcenterExists.sum_excenterWeights_eq_one
∀ {V : Type u_1} {P : Type u_2} [inst : NormedAddCommGroup V] [inst_1 : InnerProductSpace ℝ V] [inst_2 : MetricSpace P]
[inst_3 : NormedAddTorsor V P] {n : ℕ} [inst_4 : NeZero n] (s : Affine.Simplex ℝ P n) {signs : Finset (Fin (n + 1))},
s.ExcenterExists signs → ∑ i, s.excenterWeights signs i = 1Alias of the reverse direction of Affine.Simplex.sum_excenterWeights_eq_one_iff.
- Defined in
- Mathlib.Geometry.Euclidean.Incenter
- Cited by
- 11 results in Mathlib
- Foundations
- Depth 188 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites12
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- NormedAddCommGroupstatement and proof · cited by 15,752
- Finsetstatement and proof · cited by 13,712
- Finset.sumstatement · cited by 5,195
- InnerProductSpacestatement and proof · cited by 3,523
- Finset.univstatement · cited by 3,473
- MetricSpacestatement and proof · cited by 1,684
- NormedAddTorsorstatement and proof · cited by 1,325
- Affine.Simplexstatement and proof · cited by 471
- Affine.Simplex.ExcenterExistsstatement · cited by 53
- Affine.Simplex.excenterWeightsstatement · cited by 32
- Affine.Simplex.sum_excenterWeights_eq_one_iffproof · cited by 3
Cited by11
Results whose statement or proof uses this declaration.
- Affine.Simplex.ExcenterExists.excenter_mem_affineSpan_rangeproof · cited by 5
- Affine.Simplex.ExcenterExists.excenter_notMem_affineSpan_faceproof · cited by 4
- Affine.Simplex.ExcenterExists.excenter_mapproof · cited by 3
- Affine.Simplex.ExcenterExists.sSameSide_excenter_point_iffproof · cited by 2
- Affine.Simplex.ExcenterExists.sSameSide_point_excenter_iffproof · cited by 2
- Affine.Simplex.ExcenterExists.sign_signedInfDist_excenterproof · cited by 2
- Affine.Simplex.ExcenterExists.sOppSide_excenter_point_iffproof · cited by 1
- Affine.Simplex.ExcenterExists.sOppSide_point_excenter_iffproof · cited by 1
- Affine.Simplex.ExcenterExists.signedInfDist_excenter_eq_mul_sum_invproof · cited by 1
- Affine.Simplex.ExcenterExists.affineCombination_eq_excenter_iffproof · cited by 1
- Affine.Simplex.incenter_mem_interiorproof · cited by 0