Theorems · Theorem · combinatorics
Finset.sym_nonempty
∀ {α : Type u_1} {s : Finset α} [inst : DecidableEq α] {n : ℕ}, (s.sym n).Nonempty ↔ n = 0 ∨ s.Nonempty- Defined in
- Mathlib.Data.Finset.Sym
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 81 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
Around this declaration
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Cites5
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
- Finset.Nonemptystatement · cited by 1,001
- Symstatement · cited by 150
- Finset.symstatement · cited by 35
- Finset.sym_eq_emptyproof · cited by 2
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