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Theorems · Definition · general algebraic systems

Finsupp.optionEquiv

{α : Type u_1} → {M : Type u_2} → [inst : Zero M] → (Option α →₀ M) ≃ M × (α →₀ M)

Finsupps from Option are equivalent to pairs of an element and a Finsupp on the original type.

Defined in
Mathlib.Data.Finsupp.Option
Cited by
3 results in Mathlib
Foundations
Depth 73 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Zero

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Cited by4

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