Theorem Unitization.mem_spectrum_inr_of_not_isUnit

Modification history

2024-03-12 19:39
Mathlib/Algebra/Algebra/Quasispectrum.lean
feat: define `quasispectrum` for non-unital algebras (#11219) …
Added Unitization.mem_spectrum_inr_of_not_isUnitView on Github →