Theorems · Theorem · logic and foundations
Set.ncard_inv
∀ {G : Type u_1} [inst : InvolutiveInv G] (s : Set G), s⁻¹.ncard = s.ncard- Defined in
- Mathlib.Algebra.Group.Pointwise.Set.Card
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 91 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- InvolutiveInv
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- Set.ncardstatement · cited by 344
- Set.encardproof · cited by 327
- ENat.toNatproof · cited by 143
- Set.invstatement · cited by 132
- InvolutiveInvstatement and proof · cited by 102
- Set.encard_invproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- Set.natCard_invproof · cited by 1