Linear independence of transcendental elements #
Main result #
Transcendental.linearIndependent_sub_inv: letx : Etranscendental overF, then{(x - a)⁻¹ | a : F}is linearly independent overF.
theorem Transcendental.linearIndependent_sub_inv {F : Type u_1} {E : Type u_2} [Field F] [Field E] [Algebra F E] {x : E} (H : Transcendental F x) :
LinearIndependent F fun (a : F) => (x - (algebraMap F E) a)⁻¹
If E / F is a field extension, x is an element of E transcendental over F,
then {(x - a)⁻¹ | a : F} is linearly independent over F.