Metamath Proof Explorer


Theorem hstcl

Description: Closure of the value of a Hilbert-space-valued state. (Contributed by NM, 25-Jun-2006) (New usage is discouraged.)

Ref Expression
Assertion hstcl ⊢ S ∈ CHStates ∧ A ∈ C ℋ → S ⁡ A ∈ ℋ

Proof

Step Hyp Ref Expression
1 ishst ⊢ S ∈ CHStates ↔ S : C ℋ ⟶ ℋ ∧ norm ℎ ⁡ S ⁡ ℋ = 1 ∧ ∀ x ∈ C ℋ ∀ y ∈ C ℋ x ⊆ ⊥ ⁡ y → S ⁡ x ⋅ ih S ⁡ y = 0 ∧ S ⁡ x ∨ ℋ y = S ⁡ x + ℎ S ⁡ y
2 1 simp1bi ⊢ S ∈ CHStates → S : C ℋ ⟶ ℋ
3 2 ffvelcdmda ⊢ S ∈ CHStates ∧ A ∈ C ℋ → S ⁡ A ∈ ℋ