Finsupp.supported_eq_span_single

∀ {α : Type u_1} (R : Type u_5) [inst : Semiring R] (s : Set α),
  Finsupp.supported R R s = Submodule.span R ((fun i => fun₀ | i => 1) '' s)

Defined in: Mathlib.LinearAlgebra.Finsupp.Supported
Cited by: 3 results in Mathlib
Foundations: Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Semiring

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