`BookProof.ChapterNumericalRangeSemigroup.numReLE_iff_numRange_subset` (A : E →L[ℂ] E) {ω : ℝ} : NumReLE A ω ↔ BookProof.ChapterH9.numRange A ⊆ {z : ℂ

Initializing...

`BookProof.ChapterNumericalRangeSemigroup.numReLE_iff_numRange_subset` (A : E →L[ℂ] E) {ω : ℝ} : NumReLE A ω ↔ BookProof.ChapterH9.numRange A ⊆ {z : ℂ | z.re ≤ ω} · Prove2Me