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Theorems · Definition · combinatorics

Finset.finsuppAntidiagEquiv

{ι : Type u_1} → [inst : DecidableEq ι] → (s : Finset ι) → (n : ℕ) → ↥(s.finsuppAntidiag n) ≃ Sym (↥s) n

The equivalence between Finset.finsuppAntidiag s n and Sym s n.

Defined in
Mathlib.Algebra.Order.Antidiag.FinsuppEquiv
Cited by
4 results in Mathlib
Foundations
Depth 98 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DecidableEq

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Cites9

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Cited by4

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