Theorems · Theorem · combinatorics
Finset.card_finsuppAntidiag_nat_eq_choose
∀ {ι : Type u_1} [inst : DecidableEq ι] {s : Finset ι} (n : ℕ), (s.finsuppAntidiag n).card = (s.card + n - 1).choose n- Cited by
- 0 results in Mathlib
- Foundations
- Depth 99 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
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Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Finsetstatement and proof · cited by 13,712
- Finsuppstatement · cited by 5,255
- Finset.cardstatement and proof · cited by 2,327
- Nat.choosestatement and proof · cited by 494
- Fintype.card_coeproof · cited by 72
- Finset.finsuppAntidiagstatement · cited by 25
- Finset.finsuppAntidiagEquivproof · cited by 4
- Finset.card_eq_of_equiv_fintypeproof · cited by 4
- Sym.card_sym_eq_chooseproof · cited by 1
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