Theorems · Theorem · group theory
Finsupp.erase_sub
∀ {ι : Type u_1} {G : Type u_6} [inst : AddGroup G] (a : ι) (f₁ f₂ : ι →₀ G),
Finsupp.erase a (f₁ - f₂) = Finsupp.erase a f₁ - Finsupp.erase a f₂- Defined in
- Mathlib.Algebra.Group.Finsupp
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- AddGroup
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- Finsuppstatement and proof · cited by 5,255
- AddGroupstatement and proof · cited by 4,410
- Finsupp.erasestatement · cited by 46
- AddMonoidHom.map_subproof · cited by 18
- Finsupp.eraseAddHomproof · cited by 3
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