Theorems · Theorem · general topology
ContinuousMap.inf_mem_closed_subalgebra
∀ {X : Type u_1} [inst : TopologicalSpace X] [CompactSpace X] (A : Subalgebra ℝ C(X, ℝ)),
IsClosed ↑A → ∀ (f g : ↥A), ↑f ⊓ ↑g ∈ A- Cited by
- 1 results in Mathlib
- Foundations
- Depth 190 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- TopologicalSpaceCompactSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites13
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setproof · cited by 53,352
- Realstatement and proof · cited by 25,697
- TopologicalSpacestatement and proof · cited by 24,529
- SetLike.coestatement and proof · cited by 8,199
- ContinuousMapstatement and proof · cited by 2,491
- IsClosedstatement and proof · cited by 1,639
- Subalgebrastatement and proof · cited by 1,353
- CompactSpacestatement and proof · cited by 593
- SetLike.ext'proof · cited by 60
- Subalgebra.topologicalClosureproof · cited by 26
- closure_eq_iff_isClosedproof · cited by 12
- Subalgebra.topologicalClosure_coeproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- ContinuousMap.subalgebra_topologicalClosure_eq_top_of_separatesPointsproof · cited by 3