Theorems · Theorem · combinatorics
Multiset.mem_dedup
∀ {α : Type u_1} [inst : DecidableEq α] {a : α} {s : Multiset α}, a ∈ s.dedup ↔ a ∈ s- Defined in
- Mathlib.Data.Multiset.Dedup
- Cited by
- 5 results in Mathlib
- Foundations
- Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
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.
- Multisetstatement and proof · cited by 2,627
- Multiset.dedupstatement · cited by 59
- Quot.induction_onproof · cited by 36
- List.mem_dedupproof · cited by 7
Cited by5
Results whose statement or proof uses this declaration.
- Multiset.mem_toFinsetproof · cited by 39
- Multiset.subset_dedupproof · cited by 5
- NumberField.sum_archAbsVal_eqproof · cited by 2
- Nat.bell_eq_sum_eraseproof · cited by 1
- Nat.divisors_filter_squarefreeproof · cited by 1