Affine.Simplex.touchpoint_mem_affineSpan_simplex
∀ {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)))
(i : Fin (n + 1)), s.touchpoint signs i ∈ affineSpan ℝ (Set.range s.points)A weaker version of touchpoint_mem_affineSpan.
- Defined in
- Mathlib.Geometry.Euclidean.Incenter
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 190 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites18
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
- Set.rangestatement and proof · cited by 4,705
- InnerProductSpacestatement and proof · cited by 3,523
- Compl.complproof · cited by 2,925
- MetricSpacestatement and proof · cited by 1,684
- NormedAddTorsorstatement and proof · cited by 1,325
- AffineSubspacestatement · cited by 871
- Affine.Simplexstatement and proof · cited by 471
- affineSpanstatement · cited by 417
- Affine.Simplex.pointsstatement and proof · cited by 391
Cited by4
Results whose statement or proof uses this declaration.
- Affine.Simplex.sum_touchpointWeightsproof · cited by 8
- Affine.Simplex.affineCombination_touchpointWeightsproof · cited by 8
- Affine.Simplex.ExcenterExists.touchpoint_injectiveproof · cited by 4