Theorems · Theorem · linear algebra

Finsupp.supported_comap_lmapDomain

∀ {α : Type u_1} (M : Type u_2) (R : Type u_5) [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M]
  {α' : Type u_7} (f : α → α') (s : Set α'),
  Finsupp.supported M R (f ⁻¹' s) ≤ Submodule.comap (Finsupp.lmapDomain M R f) (Finsupp.supported M R s)

Defined in

Mathlib.LinearAlgebra.Finsupp.Supported

Cited by

1 results in Mathlib

Foundations

Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

SemiringAddCommMonoidModule