Theorems · Theorem · convex and discrete geometry
convexHull_basis_eq_stdSimplex
∀ (R : Type u_1) (ι : Type u_2) [inst : Field R] [inst_1 : LinearOrder R] [IsStrictOrderedRing R] [inst_3 : Fintype ι] [inst_4 : DecidableEq ι], (convexHull R) (Set.range fun i j => if i = j then 1 else 0) = stdSimplex R ι
stdSimplex 𝕜 ι is the convex hull of the canonical basis in ι → 𝕜.
- Defined in
- Mathlib.Analysis.Convex.StdSimplex
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 74 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites21
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Setstatement · cited by 53,352
- LinearOrderstatement and proof · cited by 8,572
- Fintypestatement and proof · cited by 7,736
- Fieldstatement and proof · cited by 7,404
- Finset.sumproof · cited by 5,195
- Set.rangestatement and proof · cited by 4,705
- Finset.univproof · cited by 3,473
- IsStrictOrderedRingstatement and proof · cited by 2,490
- zero_lt_oneproof · cited by 598
- ClosureOperatorstatement · cited by 371
- Set.mem_range_selfproof · cited by 328
Cited by2
Results whose statement or proof uses this declaration.
- Set.Finite.convexHull_eq_imageproof · cited by 1
- convexHull_rangle_single_eq_stdSimplexproof · cited by 0