Module

Subalgebra_fg_restrictScalars_and_le_of_fg.lean

Nyll.AlgebraicCurves.Foundations.Algebra.Subalgebra_fg_restrictScalars_and_le_of_fg
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Subalgebra fg restrict Scalars and le of fg

Declarations

Subalgebra.fg_restrictScalars_and_le_of_fg
Source context 3 commands

Surrounding namespaces, section variables, and local commands at this declaration.

section ProofImplementation
namespace AlgebraicCurves.Foundations.Algebra.Proofs.Subalgebra_fg_restrictScalars_and_le_of_fg
universe u
theorem _root_.Subalgebra.fg_restrictScalars_and_le_of_fg
    {A₀ A : Type u} [CommRing A₀] [CommRing A] [Algebra A₀ A]
    (T : Subalgebra A₀ A) (hT : T.FG) (T' : Subalgebra ↥T A) (hT' : T'.FG) :
    (T'.restrictScalars A₀).FG ∧ (T : Set A) ⊆ (T'.restrictScalars A₀ : Set A)