Theorems · Inductive type · geometry
Projectivization.Subspace.spanCarrier
{K : Type u_1} →
{V : Type u_2} →
[inst : DivisionRing K] →
[inst_1 : AddCommGroup V] → [inst_2 : Module K V] → Set (Projectivization K V) → Set (Projectivization K V)The span of a set of points in a projective space is defined inductively to be the set of points which contains the original set, and contains all points determined by the (nonzero) sum of two nonzero vectors, each of which determine points in the span.
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 68 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- Modulestatement · cited by 20,661
- AddCommGroupstatement · cited by 12,871
- DivisionRingstatement · cited by 1,062
- Projectivizationstatement · cited by 111
Cited by6
Results whose statement or proof uses this declaration.
- Projectivization.Subspace.spanproof · cited by 16
- Projectivization.Subspace.spanCarrier.belowstatement · cited by 1
- Projectivization.Subspace.spanCarrier.brecOnstatement and proof · cited by 0
- Projectivization.Subspace.spanCarrier.casesOnstatement and proof · cited by 0
- Projectivization.Subspace.spanCarrier.recOnstatement and proof · cited by 0
- Projectivization.Subspace.spanCarrier.below.casesOnstatement and proof · cited by 0