Proof of Theorem nmopubt
| Step | Hyp | Ref
| Expression |
| 1 | | nmopvalt 9777 |
. . 3
⊢ (T: ℋ
–→ ℋ → (normop
‘T) = sup({y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))}, ℝ*, < )) |
| 2 | 1 | 3ad2ant1 802 |
. 2
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → (normop ‘T) = sup({y∣∃z ∈ ℋ ((normh ‘z) ≤ 1 ⋀
y = (normh
‘(T ‘z)))}, ℝ*, < )) |
| 3 | | supxrleub 6101 |
. . 3
⊢ (({y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))} ⊆ ℝ*
⋀ A
∈ ℝ* ⋀
∀w
∈ {y∣∃z ∈ ℋ ((normh ‘z) ≤ 1 ⋀
y = (normh
‘(T ‘z)))}w ≤
A) → sup({y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))}, ℝ*, < ) ≤ A) |
| 4 | | nmopsetretHIL 9786 |
. . . . 5
⊢ (T: ℋ
–→ ℋ → {y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))} ⊆ ℝ) |
| 5 | | ressxr 5510 |
. . . . . 6
⊢ ℝ ⊆ ℝ* |
| 6 | 5 | a1i 8 |
. . . . 5
⊢ (T: ℋ
–→ ℋ → ℝ ⊆ ℝ*) |
| 7 | 4, 6 | sstrd 2077 |
. . . 4
⊢ (T: ℋ
–→ ℋ → {y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))} ⊆ ℝ*) |
| 8 | 7 | 3ad2ant1 802 |
. . 3
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → {y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))} ⊆ ℝ*) |
| 9 | | 3simp2 791 |
. . 3
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → A
∈ ℝ*) |
| 10 | | fveq2 3730 |
. . . . . . . . . . . 12
⊢ (x = z →
(normh ‘x) =
(normh ‘z)) |
| 11 | 10 | breq1d 2634 |
. . . . . . . . . . 11
⊢ (x = z →
((normh ‘x) ≤ 1
↔ (normh ‘z)
≤ 1)) |
| 12 | | fveq2 3730 |
. . . . . . . . . . . . 13
⊢ (x = z →
(T ‘x) = (T
‘z)) |
| 13 | 12 | fveq2d 3734 |
. . . . . . . . . . . 12
⊢ (x = z →
(normh ‘(T
‘x)) = (normh
‘(T ‘z))) |
| 14 | 13 | breq1d 2634 |
. . . . . . . . . . 11
⊢ (x = z →
((normh ‘(T
‘x)) ≤ A ↔ (normh ‘(T ‘z))
≤ A)) |
| 15 | 11, 14 | imbi12d 628 |
. . . . . . . . . 10
⊢ (x = z →
(((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) ↔ ((normh ‘z) ≤ 1 → (normh
‘(T ‘z)) ≤ A))) |
| 16 | 15 | rcla4cv 1877 |
. . . . . . . . 9
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → (z
∈ ℋ →
((normh ‘z) ≤ 1
→ (normh ‘(T
‘z)) ≤ A))) |
| 17 | | breq1 2627 |
. . . . . . . . . 10
⊢ (w = (normh ‘(T ‘z))
→ (w ≤ A ↔ (normh ‘(T ‘z))
≤ A)) |
| 18 | 17 | biimprcd 156 |
. . . . . . . . 9
⊢ ((normh
‘(T ‘z)) ≤ A
→ (w = (normh
‘(T ‘z)) → w
≤ A)) |
| 19 | 16, 18 | syl8 24 |
. . . . . . . 8
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → (z
∈ ℋ →
((normh ‘z) ≤ 1
→ (w = (normh
‘(T ‘z)) → w
≤ A)))) |
| 20 | 19 | imp4a 364 |
. . . . . . 7
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → (z
∈ ℋ →
(((normh ‘z) ≤ 1
⋀ w =
(normh ‘(T
‘z))) → w ≤ A))) |
| 21 | 20 | r19.23adv 1749 |
. . . . . 6
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → (∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ w =
(normh ‘(T
‘z))) → w ≤ A)) |
| 22 | | visset 1816 |
. . . . . . 7
⊢ w ∈
V |
| 23 | | eqeq1 1484 |
. . . . . . . . 9
⊢ (y = w →
(y = (normh
‘(T ‘z)) ↔ w =
(normh ‘(T
‘z)))) |
| 24 | 23 | anbi2d 618 |
. . . . . . . 8
⊢ (y = w →
(((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z))) ↔
((normh ‘z) ≤ 1
⋀ w =
(normh ‘(T
‘z))))) |
| 25 | 24 | rexbidv 1667 |
. . . . . . 7
⊢ (y = w →
(∃z
∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z))) ↔ ∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ w =
(normh ‘(T
‘z))))) |
| 26 | 22, 25 | elab 1900 |
. . . . . 6
⊢ (w ∈ {y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))} ↔ ∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ w =
(normh ‘(T
‘z)))) |
| 27 | 21, 26 | syl5ib 206 |
. . . . 5
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → (w
∈ {y∣∃z ∈ ℋ ((normh ‘z) ≤ 1 ⋀
y = (normh
‘(T ‘z)))} → w
≤ A)) |
| 28 | 27 | r19.21aiv 1716 |
. . . 4
⊢ (∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A) → ∀w ∈ {y∣∃z ∈ ℋ ((normh ‘z) ≤ 1 ⋀
y = (normh
‘(T ‘z)))}w ≤
A) |
| 29 | 28 | 3ad2ant3 804 |
. . 3
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → ∀w ∈ {y∣∃z ∈ ℋ ((normh ‘z) ≤ 1 ⋀
y = (normh
‘(T ‘z)))}w ≤
A) |
| 30 | 3, 8, 9, 29 | syl3anc 860 |
. 2
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → sup({y∣∃z ∈ ℋ
((normh ‘z) ≤ 1
⋀ y =
(normh ‘(T
‘z)))}, ℝ*, < ) ≤ A) |
| 31 | 2, 30 | eqbrtrd 2640 |
1
⊢ ((T: ℋ
–→ ℋ ⋀ A ∈ ℝ*
⋀ ∀x ∈ ℋ
((normh ‘x) ≤ 1
→ (normh ‘(T
‘x)) ≤ A)) → (normop ‘T) ≤ A) |