The Lean 4 theorem `ritzInf_antitone` in the `ChapterHermiteGalerkinFriedrichs` chapter of the timepiece formalization
ProvedBookProof.HermiteGalerkin.ritzInf_antitonetimepiece
The Lean 4 theorem ritzInf_antitone in the ChapterHermiteGalerkinFriedrichs chapter of the timepiece formalization.
Preamble
-- Generated from ChapterHermiteGalerkinFriedrichs.lean — theorem BookProof.HermiteGalerkin.ritzInf_antitone
import Mathlib
import Definitions.Def_ChapterHermiteGalerkinFriedrichs
open BookProof.HermiteGalerkin
open BookProof.FarisLavine BookProof.YangMillsFriedrichs BookProof.YangMillsFriedrichsLimit
open Filter Topology
variable {F : Type*} [NormedAddCommGroup F] [InnerProductSpace ℂ F]
variable {F : Type*} [NormedAddCommGroup F] [InnerProductSpace ℂ F]
variable {F : Type*} [NormedAddCommGroup F] [InnerProductSpace ℂ F]
variable {D : Submodule ℂ F}Formal statement
theorem BookProof.HermiteGalerkin.ritzInf_antitone (H : D →ₗ[ℂ] F) (hpos : ∀ x : D, 0 ≤ quadForm H x)
{V W : Submodule ℂ F} (hVW : V ≤ W) (hV : (ritzSet H V).Nonempty) :
ritzInf H W ≤ ritzInf H V := by sorrySource