σ K : Type u
inst✝² : Fintype K
inst✝¹ : Field K
inst✝ : Finite σ
⊢ Submodule.map (evalₗ K σ) (restrictDegree σ K (Fintype.card K - 1)) = ⊤
σ K : Type u
inst✝² : Fintype K
inst✝¹ : Field K
inst✝ : Finite σ
⊢ range (evalᵢ σ K) = ⊤
rw [evalᵢ, LinearMap.range_comp, range_subtype]
no goals
σ K : Type u
inst✝² : Fintype K
inst✝¹ : Field K
inst✝ : Finite σ
⊢ Submodule.map (evalₗ K σ) (restrictDegree σ K (Fintype.card K - 1)) = ⊤
exact map_restrict_dom_evalₗ K σ