Theorems · Theorem · functional analysis
CFC.sq_eq_sq_iff
∀ {A : Type u_1} [inst : PartialOrder A] [inst_1 : Ring A] [inst_2 : StarRing A] [inst_3 : TopologicalSpace A]
[StarOrderedRing A] [inst_5 : Algebra ℝ A] [ContinuousFunctionalCalculus ℝ A IsSelfAdjoint] [NonnegSpectrumClass ℝ A]
[IsSemitopologicalRing A] [T2Space A] (a b : A),
autoParam (0 ≤ a) CFC.sq_eq_sq_iff._auto_1 → autoParam (0 ≤ b) CFC.sq_eq_sq_iff._auto_3 → (a ^ 2 = b ^ 2 ↔ a = b)- Cited by
- 0 results in Mathlib
- Foundations
- Depth 215 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
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Cites14
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Realstatement and proof · cited by 25,697
- TopologicalSpacestatement and proof · cited by 24,529
- Algebrastatement and proof · cited by 11,388
- Ringstatement and proof · cited by 7,463
- PartialOrderstatement and proof · cited by 6,410
- StarRingstatement and proof · cited by 1,686
- T2Spacestatement and proof · cited by 1,351
- StarOrderedRingstatement and proof · cited by 587
- IsSelfAdjointstatement and proof · cited by 545
- ContinuousFunctionalCalculusstatement and proof · cited by 331
- NonnegSpectrumClassstatement and proof · cited by 292
- sqproof · cited by 280
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