Theorems · Theorem · group theory
Finset.card_one
∀ {α : Type u_2} [inst : One α], Finset.card 1 = 1- Cited by
- 3 results in Mathlib
- Foundations
- Depth 26 from the axioms · uses propext, Quot.sound
- Assumes
- One
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Finsetstatement · cited by 13,712
- Finset.cardstatement · cited by 2,327
- Finset.card_singletonproof · cited by 144
- Finset.onestatement · cited by 43
Cited by3
Results whose statement or proof uses this declaration.
- CovBySMul.of_subsetproof · cited by 2
- IsApproximateSubgroup.card_pow_leproof · cited by 1
- CovBySMul.rflproof · cited by 0