P
Initializing...
`BookProof.TruncationGapLift.quadForm_ge_of_le_ritzInf_on` (H : D →ₗ[ℂ] F) (hpos : ∀ x : D, 0 ≤ quadForm H x) {V : Submodule ℂ F} {mu : ℝ} (hmu : mu ≤ ritzInf H V) (x : D) (hx : (x · Prove2Me