Theorem CFC.one_le

Modification history

2024-08-31 15:30
Mathlib/Analysis/CStarAlgebra/ContinuousFunctionalCalculus/Unital.lean
feat: in a unital C⋆-algebra, `‖a‖ ≤ r ↔ a ≤ r • 1`, and related lemmas (#16266)
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