Proof of Theorem nmcfnexlem5
| Step | Hyp | Ref
| Expression |
| 1 | | hvmulclt 8878 |
. . . . . 6
⊢ (((1 / n) ∈ ℂ ⋀ x ∈ ℋ ) → ((1 / n) ·h x) ∈ ℋ ) |
| 2 | | rerecclt 5805 |
. . . . . . . 8
⊢ ((n ∈ ℝ ⋀ n ≠ 0) → (1 / n) ∈ ℝ) |
| 3 | | nnret 5931 |
. . . . . . . 8
⊢ (n ∈ ℕ → n
∈ ℝ) |
| 4 | | nnne0t 5951 |
. . . . . . . 8
⊢ (n ∈ ℕ → n
≠ 0) |
| 5 | 2, 3, 4 | sylanc 473 |
. . . . . . 7
⊢ (n ∈ ℕ → (1 / n) ∈ ℝ) |
| 6 | 5 | recnd 5327 |
. . . . . 6
⊢ (n ∈ ℕ → (1 / n) ∈ ℂ) |
| 7 | 1, 6 | sylan 450 |
. . . . 5
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → ((1 / n) ·h x) ∈ ℋ ) |
| 8 | | normclt 8986 |
. . . . 5
⊢ (((1 / n) ·h x) ∈ ℋ → (normh ‘((1 /
n) ·h
x)) ∈
ℝ) |
| 9 | 7, 8 | syl 10 |
. . . 4
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → (normh ‘((1 /
n) ·h
x)) ∈
ℝ) |
| 10 | 9 | ad2ant2r 411 |
. . 3
⊢ (((n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘((1 / n)
·h x))
∈ ℝ) |
| 11 | 10 | 3adant1 799 |
. 2
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (normh ‘((1 / n) ·h x)) ∈ ℝ) |
| 12 | | nmcfnex.1 |
. . . . . 6
⊢ T ∈
LinFn |
| 13 | | nmcfnex.2 |
. . . . . 6
⊢ T ∈
ConFn |
| 14 | | nmcfnexlem4.3 |
. . . . . 6
⊢ A = {k ∈ ℕ∣(1 / k) <
y} |
| 15 | | nmcfnexlem4.4 |
. . . . . 6
⊢ M = sup(A, ℝ, ◡ <
) |
| 16 | 12, 13, 14, 15 | nmcfnexlem4 9978 |
. . . . 5
⊢ ((y ∈ ℝ ⋀ 0 <
y) → (M ∈ ℕ ⋀ (1 /
M) < y)) |
| 17 | 16 | pm3.26d 321 |
. . . 4
⊢ ((y ∈ ℝ ⋀ 0 <
y) → M ∈ ℕ) |
| 18 | | rerecclt 5805 |
. . . . 5
⊢ ((M ∈ ℝ ⋀ M ≠ 0) → (1 / M) ∈ ℝ) |
| 19 | | nnret 5931 |
. . . . 5
⊢ (M ∈ ℕ → M
∈ ℝ) |
| 20 | | nnne0t 5951 |
. . . . 5
⊢ (M ∈ ℕ → M
≠ 0) |
| 21 | 18, 19, 20 | sylanc 473 |
. . . 4
⊢ (M ∈ ℕ → (1 / M) ∈ ℝ) |
| 22 | 17, 21 | syl 10 |
. . 3
⊢ ((y ∈ ℝ ⋀ 0 <
y) → (1 / M) ∈ ℝ) |
| 23 | 22 | 3ad2ant1 802 |
. 2
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (1 / M) ∈ ℝ) |
| 24 | | pm3.26 319 |
. . 3
⊢ ((y ∈ ℝ ⋀ 0 <
y) → y ∈ ℝ) |
| 25 | 24 | 3ad2ant1 802 |
. 2
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ y ∈ ℝ) |
| 26 | 10 | 3adant1 799 |
. . . 4
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘((1 / n)
·h x))
∈ ℝ) |
| 27 | 5 | ad2antrr 406 |
. . . . 5
⊢ (((n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (1 / n) ∈ ℝ) |
| 28 | 27 | 3adant1 799 |
. . . 4
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (1 / n) ∈ ℝ) |
| 29 | 21 | 3ad2ant1 802 |
. . . 4
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (1 / M) ∈ ℝ) |
| 30 | | lemul2itOLD 5842 |
. . . . . 6
⊢
((((normh ‘x) ∈ ℝ ⋀ 1 ∈ ℝ ⋀ (1 / n)
∈ ℝ) ⋀ (0 ≤ (1 / n) ⋀
(normh ‘x) ≤ 1))
→ ((1 / n) ·
(normh ‘x)) ≤
((1 / n) · 1)) |
| 31 | | normclt 8986 |
. . . . . . . . 9
⊢ (x ∈ ℋ → (normh ‘x) ∈ ℝ) |
| 32 | 31 | ad2antrl 408 |
. . . . . . . 8
⊢ ((M ∈ ℕ ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (normh ‘x)
∈ ℝ) |
| 33 | 32 | 3adant2 800 |
. . . . . . 7
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘x) ∈ ℝ) |
| 34 | | 1re 5447 |
. . . . . . . 8
⊢ 1 ∈ ℝ |
| 35 | 34 | a1i 8 |
. . . . . . 7
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → 1 ∈ ℝ) |
| 36 | 33, 35, 28 | 3jca 821 |
. . . . . 6
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → ((normh
‘x) ∈ ℝ ⋀ 1 ∈ ℝ ⋀ (1 /
n) ∈
ℝ)) |
| 37 | | 0re 5452 |
. . . . . . . . . . . 12
⊢ 0 ∈ ℝ |
| 38 | | lt01 5692 |
. . . . . . . . . . . 12
⊢ 0 < 1 |
| 39 | 37, 34, 38 | ltlei 5593 |
. . . . . . . . . . 11
⊢ 0 ≤ 1 |
| 40 | | divge0t 5858 |
. . . . . . . . . . 11
⊢ (((1 ∈ ℝ ⋀ 0 ≤ 1) ⋀
(n ∈
ℝ ⋀ 0
< n)) → 0 ≤ (1 / n)) |
| 41 | 34, 39, 40 | mpanl12 710 |
. . . . . . . . . 10
⊢ ((n ∈ ℝ ⋀ 0 <
n) → 0 ≤ (1 / n)) |
| 42 | | nngt0t 5948 |
. . . . . . . . . 10
⊢ (n ∈ ℕ → 0 < n) |
| 43 | 41, 3, 42 | sylanc 473 |
. . . . . . . . 9
⊢ (n ∈ ℕ → 0 ≤ (1 / n)) |
| 44 | 43 | ad2antrl 408 |
. . . . . . . 8
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n))
→ 0 ≤ (1 / n)) |
| 45 | 44 | 3adant3 801 |
. . . . . . 7
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → 0 ≤ (1 / n)) |
| 46 | | pm3.27 323 |
. . . . . . . 8
⊢ ((x ∈ ℋ ⋀
(normh ‘x) ≤ 1)
→ (normh ‘x)
≤ 1) |
| 47 | 46 | 3ad2ant3 804 |
. . . . . . 7
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘x) ≤ 1) |
| 48 | 45, 47 | jca 288 |
. . . . . 6
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (0 ≤ (1 / n) ⋀
(normh ‘x) ≤
1)) |
| 49 | 30, 36, 48 | sylanc 473 |
. . . . 5
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → ((1 / n) · (normh ‘x)) ≤ ((1 / n) · 1)) |
| 50 | | norm-iiit 9002 |
. . . . . . . . 9
⊢ (((1 / n) ∈ ℂ ⋀ x ∈ ℋ ) → (normh ‘((1 /
n) ·h
x)) = ((abs ‘(1 / n)) · (normh
‘x))) |
| 51 | 50, 6 | sylan 450 |
. . . . . . . 8
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → (normh ‘((1 /
n) ·h
x)) = ((abs ‘(1 / n)) · (normh
‘x))) |
| 52 | | absidt 6862 |
. . . . . . . . . . 11
⊢ (((1 / n) ∈ ℝ ⋀ 0 ≤ (1 /
n)) → (abs ‘(1 / n)) = (1 / n)) |
| 53 | 52, 5, 43 | sylanc 473 |
. . . . . . . . . 10
⊢ (n ∈ ℕ → (abs ‘(1 / n)) = (1 / n)) |
| 54 | 53 | adantr 391 |
. . . . . . . . 9
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → (abs ‘(1 / n)) = (1 / n)) |
| 55 | 54 | opreq1d 3981 |
. . . . . . . 8
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → ((abs ‘(1 / n)) · (normh
‘x)) = ((1 / n) · (normh ‘x))) |
| 56 | 51, 55 | eqtr2d 1511 |
. . . . . . 7
⊢ ((n ∈ ℕ ⋀ x ∈ ℋ ) → ((1 / n) · (normh ‘x)) = (normh ‘((1 / n) ·h x))) |
| 57 | 56 | ad2ant2r 411 |
. . . . . 6
⊢ (((n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → ((1 / n) · (normh ‘x)) = (normh ‘((1 / n) ·h x))) |
| 58 | 57 | 3adant1 799 |
. . . . 5
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → ((1 / n) · (normh ‘x)) = (normh ‘((1 / n) ·h x))) |
| 59 | | ax1id 5294 |
. . . . . . . 8
⊢ ((1 / n) ∈ ℂ → ((1 / n) · 1) = (1 / n)) |
| 60 | 6, 59 | syl 10 |
. . . . . . 7
⊢ (n ∈ ℕ → ((1 / n) · 1) = (1 / n)) |
| 61 | 60 | ad2antrl 408 |
. . . . . 6
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n))
→ ((1 / n) · 1) = (1 / n)) |
| 62 | 61 | 3adant3 801 |
. . . . 5
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → ((1 / n) · 1) = (1 / n)) |
| 63 | 49, 58, 62 | 3brtr3d 2649 |
. . . 4
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘((1 / n)
·h x)) ≤
(1 / n)) |
| 64 | | lerect 5887 |
. . . . . . . 8
⊢ (((M ∈ ℝ ⋀ 0 <
M) ⋀
(n ∈
ℝ ⋀ 0
< n)) → (M ≤ n ↔
(1 / n) ≤ (1 / M))) |
| 65 | | nngt0t 5948 |
. . . . . . . . 9
⊢ (M ∈ ℕ → 0 < M) |
| 66 | 19, 65 | jca 288 |
. . . . . . . 8
⊢ (M ∈ ℕ → (M
∈ ℝ ⋀ 0 < M)) |
| 67 | 3, 42 | jca 288 |
. . . . . . . 8
⊢ (n ∈ ℕ → (n
∈ ℝ ⋀ 0 < n)) |
| 68 | 64, 66, 67 | syl2an 456 |
. . . . . . 7
⊢ ((M ∈ ℕ ⋀ n ∈ ℕ) → (M
≤ n ↔ (1 / n) ≤ (1 / M))) |
| 69 | 68 | biimpa 418 |
. . . . . 6
⊢ (((M ∈ ℕ ⋀ n ∈ ℕ) ⋀ M ≤ n) →
(1 / n) ≤ (1 / M)) |
| 70 | 69 | anasss 442 |
. . . . 5
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n))
→ (1 / n) ≤ (1 / M)) |
| 71 | 70 | 3adant3 801 |
. . . 4
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (1 / n) ≤ (1 / M)) |
| 72 | 26, 28, 29, 63, 71 | letrd 5538 |
. . 3
⊢ ((M ∈ ℕ ⋀ (n ∈ ℕ ⋀ M ≤ n) ⋀ (x ∈ ℋ ⋀ (normh ‘x) ≤ 1)) → (normh
‘((1 / n)
·h x)) ≤
(1 / M)) |
| 73 | 72, 17 | syl3an1 861 |
. 2
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (normh ‘((1 / n) ·h x)) ≤ (1 / M)) |
| 74 | 16 | pm3.27d 325 |
. . 3
⊢ ((y ∈ ℝ ⋀ 0 <
y) → (1 / M) < y) |
| 75 | 74 | 3ad2ant1 802 |
. 2
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (1 / M) < y) |
| 76 | 11, 23, 25, 73, 75 | lelttrd 5539 |
1
⊢ (((y ∈ ℝ ⋀ 0 <
y) ⋀
(n ∈
ℕ ⋀
M ≤ n) ⋀ (x ∈ ℋ ⋀
(normh ‘x) ≤ 1))
→ (normh ‘((1 / n) ·h x)) < y) |