Mathlib Map

Theorems · Theorem · geometry

Affine.Simplex.excenterExists_singleton

∀ {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) [n.AtLeastTwo]
  (i : Fin (n + 1)), s.ExcenterExists {i}

The existence of the excenter opposite a vertex (in two or more dimensions), expressed in terms of ExcenterExists.

Defined in
Mathlib.Geometry.Euclidean.Incenter
Cited by
13 results in Mathlib
Foundations
Depth 191 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
NormedAddCommGroupInnerProductSpaceMetricSpaceNormedAddTorsorNeZeroNat.AtLeastTwo

Around this declaration

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

Affine.Simplex.excenter_singleton_injective · cited by 2Simplex.excenter_singleto…Affine.Triangle.excenterExists · cited by 2Triangle.excenterExistsAffine.Triangle.oangle_excenter_singleton_eq_add_pi · cited by 1Triangle.oangle_excenter_…Affine.Simplex.sign_touchpointWeights_singleton_neg · cited by 1Simplex.sign_touchpointWe…Affine.Simplex.sign_touchpointWeights_singleton_pos · cited by 1Simplex.sign_touchpointWe…Affine.Simplex.excenter_singleton_ne_incenter · cited by 1Simplex.excenter_singleto…Affine.Simplex.sOppSide_excenter_singleton_point · cited by 1Simplex.sOppSide_excenter…Affine.Simplex.sOppSide_point_excenter_singleton · cited by 1Simplex.sOppSide_point_ex…Affine.Simplex.sSameSide_excenter_singleton_point · cited by 1Simplex.sSameSide_excente…Affine.Simplex.sSameSide_point_excenter_singleton · cited by 1Simplex.sSameSide_point_e…Affine.Triangle.oangle_excenter_singleton_eq · cited by 1Triangle.oangle_excenter_…Affine.Simplex.excenter_singleton_mem_affineSpan_range · cited by 0Simplex.excenter_singleto…Affine.Simplex.exradius_singleton_pos · cited by 0Simplex.exradius_singleto…Real · cited by 25697RealNormedAddCommGroup · cited by 15752NormedAddCommGroupFinset · cited by 13712FinsetInnerProductSpace · cited by 3523InnerProductSpaceMetricSpace · cited by 1684MetricSpaceLT.lt.ne' · cited by 1417lt.ne'NormedAddTorsor · cited by 1325NormedAddTorsorAffine.Simplex · cited by 471Affine.SimplexNat.AtLeastTwo · cited by 405Nat.AtLeastTwoAffine.Simplex.ExcenterExists · cited by 53Simplex.ExcenterExistsAffine.Simplex.sum_excenterWeightsUnnorm_singleton_pos · cited by 3Simplex.sum_excenterWeigh…Simplex.excenterExists_single…CITED BYCITES

Cites11

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by13

Results whose statement or proof uses this declaration.