Theorems · Theorem · general algebraic systems
DFinsupp.single_add_erase
∀ {ι : Type u} {β : ι → Type v} [inst : DecidableEq ι] [inst_1 : (i : ι) → AddZeroClass (β i)] (i : ι)
(f : Π₀ (i : ι), β i), (fun₀ | i => f i) + DFinsupp.erase i f = f- Defined in
- Mathlib.Data.DFinsupp.Defs
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 25 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEqAddZeroClass
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
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
- add_zeroproof · cited by 2,707
- zero_addproof · cited by 2,366
- AddZeroClassstatement and proof · cited by 1,237
- DFinsuppstatement and proof · cited by 694
- DFinsupp.singlestatement · cited by 113
- DFinsupp.extproof · cited by 78
- DFinsupp.single_applyproof · cited by 35
- DFinsupp.erasestatement · cited by 29
Cited by1
Results whose statement or proof uses this declaration.
- DFinsupp.inductionproof · cited by 5