Theorems · Theorem · combinatorics
List.Nodup.getEquivOfForallMemList_symm_apply_val
∀ {α : Type u_1} [inst : DecidableEq α] (l : List α) (nd : l.Nodup) (h : ∀ (x : α), x ∈ l) (a : α),
↑((List.Nodup.getEquivOfForallMemList l nd h).symm a) = List.idxOf a l- Defined in
- Mathlib.Data.List.NodupEquivFin
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
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Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Equivstatement · cited by 8,337
- Equiv.symmstatement and proof · cited by 3,681
- List.Nodup.getEquivOfForallMemListstatement and proof · cited by 2
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