Metamath Proof Explorer


Theorem hstri

Description: Hilbert space admits a strong set of Hilbert-space-valued states (CH-states). Theorem in Mayet3 p. 10. (Contributed by NM, 30-Jun-2006) (New usage is discouraged.)

Ref Expression
Hypotheses hstr.1 ⊢ A ∈ C ℋ
hstr.2 ⊢ B ∈ C ℋ
Assertion hstri ⊢ ∀ f ∈ CHStates norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 → A ⊆ B

Proof

Step Hyp Ref Expression
1 hstr.1 ⊢ A ∈ C ℋ
2 hstr.2 ⊢ B ∈ C ℋ
3 dfral2 ⊢ ∀ f ∈ CHStates norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 ↔ ¬ ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1
4 1 2 strlem1 ⊢ ¬ A ⊆ B → ∃ u ∈ A ∖ B norm ℎ ⁡ u = 1
5 eqid ⊢ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u
6 biid ⊢ u ∈ A ∖ B ∧ norm ℎ ⁡ u = 1 ↔ u ∈ A ∖ B ∧ norm ℎ ⁡ u = 1
7 5 6 1 2 hstrlem3 ⊢ u ∈ A ∖ B ∧ norm ℎ ⁡ u = 1 → x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ∈ CHStates
8 5 6 1 2 hstrlem6 ⊢ u ∈ A ∖ B ∧ norm ℎ ⁡ u = 1 → ¬ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A = 1 → norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B = 1
9 fveq1 ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → f ⁡ A = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A
10 9 fveqeq2d ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → norm ℎ ⁡ f ⁡ A = 1 ↔ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A = 1
11 fveq1 ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → f ⁡ B = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B
12 11 fveqeq2d ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → norm ℎ ⁡ f ⁡ B = 1 ↔ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B = 1
13 10 12 imbi12d ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 ↔ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A = 1 → norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B = 1
14 13 notbid ⊢ f = x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u → ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 ↔ ¬ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A = 1 → norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B = 1
15 14 rspcev ⊢ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ∈ CHStates ∧ ¬ norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ A = 1 → norm ℎ ⁡ x ∈ C ℋ ⟼ proj ℎ ⁡ x ⁡ u ⁡ B = 1 → ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1
16 7 8 15 syl2anc ⊢ u ∈ A ∖ B ∧ norm ℎ ⁡ u = 1 → ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1
17 16 rexlimiva ⊢ ∃ u ∈ A ∖ B norm ℎ ⁡ u = 1 → ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1
18 4 17 syl ⊢ ¬ A ⊆ B → ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1
19 18 con1i ⊢ ¬ ∃ f ∈ CHStates ¬ norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 → A ⊆ B
20 3 19 sylbi ⊢ ∀ f ∈ CHStates norm ℎ ⁡ f ⁡ A = 1 → norm ℎ ⁡ f ⁡ B = 1 → A ⊆ B