Theorems · Theorem · general algebraic systems
Finsupp.comapDomain_sumElim_comapDomain
∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} [inst : Zero γ] (c : α ⊕ β →₀ γ),
(Finsupp.comapDomain Sum.inl c ⋯).sumElim (Finsupp.comapDomain Sum.inr c ⋯) = c- Defined in
- Mathlib.Data.Finsupp.Basic
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Zero
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites12
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Finsetstatement · cited by 13,712
- SetLike.coestatement · cited by 8,199
- Finsuppstatement and proof · cited by 5,255
- Set.preimagestatement · cited by 4,946
- Finsupp.supportstatement · cited by 828
- Finsupp.extproof · cited by 399
- Function.Injective.injOnstatement · cited by 280
- Sum.inr_injectivestatement · cited by 40
- Finsupp.comapDomainstatement · cited by 40
- Sum.inl_injectivestatement · cited by 39
- Finsupp.sumElimstatement · cited by 25
Cited by1
Results whose statement or proof uses this declaration.
- Finsupp.image_sumElim_product_antidiagonalproof · cited by 0