Dimensions of affine spaces #
noncomputable def
AffineSpace.finrank
(k : Type u_1)
{V : Type u_2}
{P : Type u_3}
[Ring k]
[AddCommGroup V]
[Module k V]
[AddTorsor V P]
(s : Set P)
:
The dimension of the affine span over ℤ of a subset of an additive group.
Equations
- AffineSpace.finrank k s = (vectorSpan k s).finrank
Instances For
theorem
AffineSpace.finrank_le_moduleFinrank
{k : Type u_1}
{V : Type u_2}
{P : Type u_3}
[Ring k]
[AddCommGroup V]
[Module k V]
[AddTorsor V P]
{s : Set P}
[StrongRankCondition k]
[Module.Finite k V]
: