Proof of Theorem faclbnd4lem4
| Step | Hyp | Ref
| Expression |
| 1 | | opreq1 3982 |
. . . . . 6
⊢ (n = N →
(n↑K) = (N↑K)) |
| 2 | | opreq2 3983 |
. . . . . 6
⊢ (n = N →
(M↑n) = (M↑N)) |
| 3 | 1, 2 | opreq12d 3992 |
. . . . 5
⊢ (n = N →
((n↑K) · (M↑n)) =
((N↑K) · (M↑N))) |
| 4 | | fveq2 3738 |
. . . . . 6
⊢ (n = N → (!
‘n) = (! ‘N)) |
| 5 | 4 | opreq2d 3990 |
. . . . 5
⊢ (n = N →
(((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n)) = (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘N))) |
| 6 | 3, 5 | breq12d 2644 |
. . . 4
⊢ (n = N →
(((n↑K) · (M↑n)) ≤
(((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n)) ↔ ((N↑K)
· (M↑N)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘N)))) |
| 7 | 6 | rcla4va 1882 |
. . 3
⊢ ((N ∈ ℕ ⋀ ∀n ∈ ℕ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n))) → ((N↑K)
· (M↑N)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘N))) |
| 8 | | faclbnd4lem3 6964 |
. . . . . . . . . . . . . 14
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ (n −
1) = 0) → (((n −
1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1)))) |
| 9 | | nnge1t 5949 |
. . . . . . . . . . . . . . . . 17
⊢ (n ∈ ℕ → 1 ≤ n) |
| 10 | 9 | adantr 391 |
. . . . . . . . . . . . . . . 16
⊢ ((n ∈ ℕ ⋀ n ≤ 1) → 1 ≤ n) |
| 11 | | nnret 5935 |
. . . . . . . . . . . . . . . . . . 19
⊢ (n ∈ ℕ → n
∈ ℝ) |
| 12 | | 1re 5448 |
. . . . . . . . . . . . . . . . . . . 20
⊢ 1 ∈ ℝ |
| 13 | | letri3t 5530 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((n ∈ ℝ ⋀ 1 ∈ ℝ) →
(n = 1 ↔ (n ≤ 1 ⋀ 1 ≤
n))) |
| 14 | 12, 13 | mpan2 700 |
. . . . . . . . . . . . . . . . . . 19
⊢ (n ∈ ℝ → (n =
1 ↔ (n ≤ 1 ⋀ 1 ≤ n))) |
| 15 | 11, 14 | syl 10 |
. . . . . . . . . . . . . . . . . 18
⊢ (n ∈ ℕ → (n =
1 ↔ (n ≤ 1 ⋀ 1 ≤ n))) |
| 16 | 15 | biimpar 419 |
. . . . . . . . . . . . . . . . 17
⊢ ((n ∈ ℕ ⋀ (n ≤ 1 ⋀ 1 ≤
n)) → n = 1) |
| 17 | 16 | anassrs 444 |
. . . . . . . . . . . . . . . 16
⊢ (((n ∈ ℕ ⋀ n ≤ 1) ⋀ 1
≤ n) → n = 1) |
| 18 | 10, 17 | mpdan 708 |
. . . . . . . . . . . . . . 15
⊢ ((n ∈ ℕ ⋀ n ≤ 1) → n = 1) |
| 19 | | opreq1 3982 |
. . . . . . . . . . . . . . . 16
⊢ (n = 1 → (n
− 1) = (1 − 1)) |
| 20 | | ax1cn 5282 |
. . . . . . . . . . . . . . . . 17
⊢ 1 ∈ ℂ |
| 21 | 20 | subid 5404 |
. . . . . . . . . . . . . . . 16
⊢ (1 − 1) =
0 |
| 22 | 19, 21 | syl6eq 1530 |
. . . . . . . . . . . . . . 15
⊢ (n = 1 → (n
− 1) = 0) |
| 23 | 18, 22 | syl 10 |
. . . . . . . . . . . . . 14
⊢ ((n ∈ ℕ ⋀ n ≤ 1) → (n − 1) = 0) |
| 24 | 8, 23 | sylan2 454 |
. . . . . . . . . . . . 13
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ (n ∈ ℕ ⋀ n ≤ 1))
→ (((n − 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1)))) |
| 25 | 24 | a1d 12 |
. . . . . . . . . . . 12
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ (n ∈ ℕ ⋀ n ≤ 1))
→ (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 26 | | 1nn 5940 |
. . . . . . . . . . . . . . . 16
⊢ 1 ∈ ℕ |
| 27 | | nnsubt 5963 |
. . . . . . . . . . . . . . . 16
⊢ ((1 ∈ ℕ ⋀ n ∈ ℕ) → (1
< n ↔ (n − 1) ∈
ℕ)) |
| 28 | 26, 27 | mpan 699 |
. . . . . . . . . . . . . . 15
⊢ (n ∈ ℕ → (1 < n ↔ (n
− 1) ∈ ℕ)) |
| 29 | 28 | biimpa 418 |
. . . . . . . . . . . . . 14
⊢ ((n ∈ ℕ ⋀ 1 <
n) → (n − 1) ∈
ℕ) |
| 30 | | opreq1 3982 |
. . . . . . . . . . . . . . . . 17
⊢ (m = (n −
1) → (m↑j) = ((n −
1)↑j)) |
| 31 | | opreq2 3983 |
. . . . . . . . . . . . . . . . 17
⊢ (m = (n −
1) → (M↑m) = (M↑(n
− 1))) |
| 32 | 30, 31 | opreq12d 3992 |
. . . . . . . . . . . . . . . 16
⊢ (m = (n −
1) → ((m↑j) · (M↑m)) =
(((n − 1)↑j) · (M↑(n
− 1)))) |
| 33 | | fveq2 3738 |
. . . . . . . . . . . . . . . . 17
⊢ (m = (n −
1) → (! ‘m) = (!
‘(n − 1))) |
| 34 | 33 | opreq2d 3990 |
. . . . . . . . . . . . . . . 16
⊢ (m = (n −
1) → (((2↑(j↑2)) ·
(M↑(M + j)))
· (! ‘m)) =
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘(n − 1)))) |
| 35 | 32, 34 | breq12d 2644 |
. . . . . . . . . . . . . . 15
⊢ (m = (n −
1) → (((m↑j) · (M↑m)) ≤
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) ↔ (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 36 | 35 | rcla4v 1880 |
. . . . . . . . . . . . . 14
⊢ ((n − 1) ∈
ℕ → (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 37 | 29, 36 | syl 10 |
. . . . . . . . . . . . 13
⊢ ((n ∈ ℕ ⋀ 1 <
n) → (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 38 | 37 | adantl 390 |
. . . . . . . . . . . 12
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ (n ∈ ℕ ⋀ 1 < n))
→ (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 39 | 25, 38 | jaodan 428 |
. . . . . . . . . . 11
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ ((n ∈ ℕ ⋀ n ≤ 1)
⋁ (n
∈ ℕ ⋀ 1 < n)))
→ (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 40 | | lelttrit 5635 |
. . . . . . . . . . . . . . 15
⊢ ((n ∈ ℝ ⋀ 1 ∈ ℝ) →
(n ≤ 1 ⋁ 1 < n)) |
| 41 | 12, 40 | mpan2 700 |
. . . . . . . . . . . . . 14
⊢ (n ∈ ℝ → (n
≤ 1 ⋁ 1 < n)) |
| 42 | 11, 41 | syl 10 |
. . . . . . . . . . . . 13
⊢ (n ∈ ℕ → (n
≤ 1 ⋁ 1 < n)) |
| 43 | 42 | ancli 296 |
. . . . . . . . . . . 12
⊢ (n ∈ ℕ → (n
∈ ℕ ⋀ (n ≤ 1
⋁ 1 < n))) |
| 44 | | andi 607 |
. . . . . . . . . . . 12
⊢ ((n ∈ ℕ ⋀ (n ≤ 1 ⋁ 1 <
n)) ↔ ((n ∈ ℕ ⋀ n ≤ 1) ⋁
(n ∈
ℕ ⋀ 1
< n))) |
| 45 | 43, 44 | sylib 198 |
. . . . . . . . . . 11
⊢ (n ∈ ℕ → ((n
∈ ℕ ⋀ n ≤ 1)
⋁ (n
∈ ℕ ⋀ 1 < n))) |
| 46 | 39, 45 | sylan2 454 |
. . . . . . . . . 10
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ n ∈ ℕ) →
(∀m
∈ ℕ
((m↑j) · (M↑m)) ≤
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → (((n
− 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n −
1))))) |
| 47 | | faclbnd4lem2 6963 |
. . . . . . . . . . 11
⊢ ((M ∈ ℕ0 ⋀
j ∈ ℕ0 ⋀
n ∈ ℕ) → ((((n − 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n − 1))) →
((n↑(j + 1)) · (M↑n)) ≤
(((2↑((j + 1)↑2)) ·
(M↑(M + (j + 1))))
· (! ‘n)))) |
| 48 | 47 | 3expa 837 |
. . . . . . . . . 10
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ n ∈ ℕ) →
((((n − 1)↑j) · (M↑(n
− 1))) ≤ (((2↑(j↑2))
· (M↑(M + j)))
· (! ‘(n − 1))) →
((n↑(j + 1)) · (M↑n)) ≤
(((2↑((j + 1)↑2)) ·
(M↑(M + (j + 1))))
· (! ‘n)))) |
| 49 | 46, 48 | syld 27 |
. . . . . . . . 9
⊢ (((M ∈ ℕ0 ⋀
j ∈ ℕ0) ⋀ n ∈ ℕ) →
(∀m
∈ ℕ
((m↑j) · (M↑m)) ≤
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n)))) |
| 50 | 49 | r19.21adva 1726 |
. . . . . . . 8
⊢ ((M ∈ ℕ0 ⋀
j ∈ ℕ0) → (∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)) → ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n)))) |
| 51 | | opreq1 3982 |
. . . . . . . . . . 11
⊢ (n = m →
(n↑j) = (m↑j)) |
| 52 | | opreq2 3983 |
. . . . . . . . . . 11
⊢ (n = m →
(M↑n) = (M↑m)) |
| 53 | 51, 52 | opreq12d 3992 |
. . . . . . . . . 10
⊢ (n = m →
((n↑j) · (M↑n)) =
((m↑j) · (M↑m))) |
| 54 | | fveq2 3738 |
. . . . . . . . . . 11
⊢ (n = m → (!
‘n) = (! ‘m)) |
| 55 | 54 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (n = m →
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)) = (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m))) |
| 56 | 53, 55 | breq12d 2644 |
. . . . . . . . 9
⊢ (n = m →
(((n↑j) · (M↑n)) ≤
(((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)) ↔ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m)))) |
| 57 | 56 | cbvralv 1807 |
. . . . . . . 8
⊢ (∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)) ↔ ∀m ∈ ℕ ((m↑j)
· (M↑m)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘m))) |
| 58 | 50, 57 | syl5ib 206 |
. . . . . . 7
⊢ ((M ∈ ℕ0 ⋀
j ∈ ℕ0) → (∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)) → ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n)))) |
| 59 | 58 | expcom 374 |
. . . . . 6
⊢ (j ∈ ℕ0 → (M ∈ ℕ0 → (∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)) → ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n))))) |
| 60 | 59 | a2d 13 |
. . . . 5
⊢ (j ∈ ℕ0 → ((M ∈ ℕ0 → ∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n))) → (M
∈ ℕ0 → ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n))))) |
| 61 | | faclbnd3 6961 |
. . . . . . . 8
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ0) → (M↑n) ≤
((M↑M) · (! ‘n))) |
| 62 | | nnnn0t 6112 |
. . . . . . . 8
⊢ (n ∈ ℕ → n
∈ ℕ0) |
| 63 | 61, 62 | sylan2 454 |
. . . . . . 7
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → (M↑n) ≤
((M↑M) · (! ‘n))) |
| 64 | | nncnt 5936 |
. . . . . . . . . . 11
⊢ (n ∈ ℕ → n
∈ ℂ) |
| 65 | | exp0t 6584 |
. . . . . . . . . . 11
⊢ (n ∈ ℂ → (n↑0) = 1) |
| 66 | 64, 65 | syl 10 |
. . . . . . . . . 10
⊢ (n ∈ ℕ → (n↑0) = 1) |
| 67 | 66 | opreq1d 3989 |
. . . . . . . . 9
⊢ (n ∈ ℕ → ((n↑0) · (M↑n)) = (1
· (M↑n))) |
| 68 | 67 | adantl 390 |
. . . . . . . 8
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → ((n↑0) · (M↑n)) = (1
· (M↑n))) |
| 69 | | expclt 6594 |
. . . . . . . . . 10
⊢ ((M ∈ ℂ ⋀ n ∈ ℕ0) → (M↑n) ∈ ℂ) |
| 70 | | nn0cnt 6115 |
. . . . . . . . . 10
⊢ (M ∈ ℕ0 → M ∈ ℂ) |
| 71 | 69, 70, 62 | syl2an 457 |
. . . . . . . . 9
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → (M↑n) ∈ ℂ) |
| 72 | | mulid2t 5430 |
. . . . . . . . 9
⊢ ((M↑n) ∈ ℂ → (1
· (M↑n)) = (M↑n)) |
| 73 | 71, 72 | syl 10 |
. . . . . . . 8
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → (1 · (M↑n)) =
(M↑n)) |
| 74 | 68, 73 | eqtrd 1514 |
. . . . . . 7
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → ((n↑0) · (M↑n)) =
(M↑n)) |
| 75 | | sq0 6648 |
. . . . . . . . . . . . . 14
⊢ (0↑2) = 0 |
| 76 | 75 | opreq2i 3986 |
. . . . . . . . . . . . 13
⊢ (2↑(0↑2)) =
(2↑0) |
| 77 | | 2cn 5986 |
. . . . . . . . . . . . . 14
⊢ 2 ∈ ℂ |
| 78 | | exp0t 6584 |
. . . . . . . . . . . . . 14
⊢ (2 ∈ ℂ →
(2↑0) = 1) |
| 79 | 77, 78 | ax-mp 7 |
. . . . . . . . . . . . 13
⊢ (2↑0) = 1 |
| 80 | 76, 79 | eqtr 1502 |
. . . . . . . . . . . 12
⊢ (2↑(0↑2)) =
1 |
| 81 | 80 | a1i 8 |
. . . . . . . . . . 11
⊢ (M ∈ ℕ0 → (2↑(0↑2)) =
1) |
| 82 | | ax0id 5294 |
. . . . . . . . . . . . 13
⊢ (M ∈ ℂ → (M +
0) = M) |
| 83 | 70, 82 | syl 10 |
. . . . . . . . . . . 12
⊢ (M ∈ ℕ0 → (M + 0) = M) |
| 84 | 83 | opreq2d 3990 |
. . . . . . . . . . 11
⊢ (M ∈ ℕ0 → (M↑(M + 0))
= (M↑M)) |
| 85 | 81, 84 | opreq12d 3992 |
. . . . . . . . . 10
⊢ (M ∈ ℕ0 → ((2↑(0↑2)) ·
(M↑(M + 0))) = (1 · (M↑M))) |
| 86 | | expclt 6594 |
. . . . . . . . . . . 12
⊢ ((M ∈ ℂ ⋀ M ∈ ℕ0) → (M↑M) ∈ ℂ) |
| 87 | 70, 86 | mpancom 709 |
. . . . . . . . . . 11
⊢ (M ∈ ℕ0 → (M↑M) ∈ ℂ) |
| 88 | | mulid2t 5430 |
. . . . . . . . . . 11
⊢ ((M↑M) ∈ ℂ → (1
· (M↑M)) = (M↑M)) |
| 89 | 87, 88 | syl 10 |
. . . . . . . . . 10
⊢ (M ∈ ℕ0 → (1 · (M↑M)) =
(M↑M)) |
| 90 | 85, 89 | eqtrd 1514 |
. . . . . . . . 9
⊢ (M ∈ ℕ0 → ((2↑(0↑2)) ·
(M↑(M + 0))) = (M↑M)) |
| 91 | 90 | opreq1d 3989 |
. . . . . . . 8
⊢ (M ∈ ℕ0 → (((2↑(0↑2))
· (M↑(M + 0))) · (! ‘n)) = ((M↑M)
· (! ‘n))) |
| 92 | 91 | adantr 391 |
. . . . . . 7
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → (((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n)) = ((M↑M)
· (! ‘n))) |
| 93 | 63, 74, 92 | 3brtr4d 2658 |
. . . . . 6
⊢ ((M ∈ ℕ0 ⋀
n ∈ ℕ) → ((n↑0) · (M↑n)) ≤
(((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n))) |
| 94 | 93 | r19.21aiva 1721 |
. . . . 5
⊢ (M ∈ ℕ0 → ∀n ∈ ℕ ((n↑0) · (M↑n)) ≤
(((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n))) |
| 95 | | opreq2 3983 |
. . . . . . . . 9
⊢ (m = 0 → (n↑m) =
(n↑0)) |
| 96 | 95 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = 0 → ((n↑m)
· (M↑n)) = ((n↑0) · (M↑n))) |
| 97 | | opreq1 3982 |
. . . . . . . . . . 11
⊢ (m = 0 → (m↑2) = (0↑2)) |
| 98 | 97 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = 0 → (2↑(m↑2)) = (2↑(0↑2))) |
| 99 | | opreq2 3983 |
. . . . . . . . . . 11
⊢ (m = 0 → (M
+ m) = (M + 0)) |
| 100 | 99 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = 0 → (M↑(M +
m)) = (M↑(M +
0))) |
| 101 | 98, 100 | opreq12d 3992 |
. . . . . . . . 9
⊢ (m = 0 → ((2↑(m↑2)) · (M↑(M +
m))) = ((2↑(0↑2)) ·
(M↑(M + 0)))) |
| 102 | 101 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = 0 → (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) = (((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n))) |
| 103 | 96, 102 | breq12d 2644 |
. . . . . . 7
⊢ (m = 0 → (((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ((n↑0) · (M↑n)) ≤
(((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n)))) |
| 104 | 103 | ralbidv 1670 |
. . . . . 6
⊢ (m = 0 → (∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ∀n ∈ ℕ ((n↑0) · (M↑n)) ≤
(((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n)))) |
| 105 | 104 | imbi2d 615 |
. . . . 5
⊢ (m = 0 → ((M
∈ ℕ0 → ∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n))) ↔ (M
∈ ℕ0 → ∀n ∈ ℕ ((n↑0) · (M↑n)) ≤
(((2↑(0↑2)) · (M↑(M + 0)))
· (! ‘n))))) |
| 106 | | opreq2 3983 |
. . . . . . . . 9
⊢ (m = j →
(n↑m) = (n↑j)) |
| 107 | 106 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = j →
((n↑m) · (M↑n)) =
((n↑j) · (M↑n))) |
| 108 | | opreq1 3982 |
. . . . . . . . . . 11
⊢ (m = j →
(m↑2) = (j↑2)) |
| 109 | 108 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = j →
(2↑(m↑2)) = (2↑(j↑2))) |
| 110 | | opreq2 3983 |
. . . . . . . . . . 11
⊢ (m = j →
(M + m)
= (M + j)) |
| 111 | 110 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = j →
(M↑(M + m)) =
(M↑(M + j))) |
| 112 | 109, 111 | opreq12d 3992 |
. . . . . . . . 9
⊢ (m = j →
((2↑(m↑2)) · (M↑(M +
m))) = ((2↑(j↑2)) · (M↑(M +
j)))) |
| 113 | 112 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = j →
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) = (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n))) |
| 114 | 107, 113 | breq12d 2644 |
. . . . . . 7
⊢ (m = j →
(((n↑m) · (M↑n)) ≤
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)))) |
| 115 | 114 | ralbidv 1670 |
. . . . . 6
⊢ (m = j →
(∀n
∈ ℕ
((n↑m) · (M↑n)) ≤
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n)))) |
| 116 | 115 | imbi2d 615 |
. . . . 5
⊢ (m = j →
((M ∈
ℕ0 → ∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n))) ↔ (M
∈ ℕ0 → ∀n ∈ ℕ ((n↑j)
· (M↑n)) ≤ (((2↑(j↑2)) · (M↑(M +
j))) · (! ‘n))))) |
| 117 | | opreq2 3983 |
. . . . . . . . 9
⊢ (m = (j + 1)
→ (n↑m) = (n↑(j +
1))) |
| 118 | 117 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = (j + 1)
→ ((n↑m) · (M↑n)) =
((n↑(j + 1)) · (M↑n))) |
| 119 | | opreq1 3982 |
. . . . . . . . . . 11
⊢ (m = (j + 1)
→ (m↑2) = ((j + 1)↑2)) |
| 120 | 119 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = (j + 1)
→ (2↑(m↑2)) =
(2↑((j + 1)↑2))) |
| 121 | | opreq2 3983 |
. . . . . . . . . . 11
⊢ (m = (j + 1)
→ (M + m) = (M +
(j + 1))) |
| 122 | 121 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = (j + 1)
→ (M↑(M + m)) =
(M↑(M + (j +
1)))) |
| 123 | 120, 122 | opreq12d 3992 |
. . . . . . . . 9
⊢ (m = (j + 1)
→ ((2↑(m↑2)) ·
(M↑(M + m))) =
((2↑((j + 1)↑2)) ·
(M↑(M + (j +
1))))) |
| 124 | 123 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = (j + 1)
→ (((2↑(m↑2)) ·
(M↑(M + m)))
· (! ‘n)) =
(((2↑((j + 1)↑2)) ·
(M↑(M + (j + 1))))
· (! ‘n))) |
| 125 | 118, 124 | breq12d 2644 |
. . . . . . 7
⊢ (m = (j + 1)
→ (((n↑m) · (M↑n)) ≤
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n)))) |
| 126 | 125 | ralbidv 1670 |
. . . . . 6
⊢ (m = (j + 1)
→ (∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n)))) |
| 127 | 126 | imbi2d 615 |
. . . . 5
⊢ (m = (j + 1)
→ ((M ∈ ℕ0
→ ∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n))) ↔ (M
∈ ℕ0 → ∀n ∈ ℕ ((n↑(j + 1))
· (M↑n)) ≤ (((2↑((j + 1)↑2)) · (M↑(M +
(j + 1)))) · (! ‘n))))) |
| 128 | | opreq2 3983 |
. . . . . . . . 9
⊢ (m = K →
(n↑m) = (n↑K)) |
| 129 | 128 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = K →
((n↑m) · (M↑n)) =
((n↑K) · (M↑n))) |
| 130 | | opreq1 3982 |
. . . . . . . . . . 11
⊢ (m = K →
(m↑2) = (K↑2)) |
| 131 | 130 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = K →
(2↑(m↑2)) = (2↑(K↑2))) |
| 132 | | opreq2 3983 |
. . . . . . . . . . 11
⊢ (m = K →
(M + m)
= (M + K)) |
| 133 | 132 | opreq2d 3990 |
. . . . . . . . . 10
⊢ (m = K →
(M↑(M + m)) =
(M↑(M + K))) |
| 134 | 131, 133 | opreq12d 3992 |
. . . . . . . . 9
⊢ (m = K →
((2↑(m↑2)) · (M↑(M +
m))) = ((2↑(K↑2)) · (M↑(M +
K)))) |
| 135 | 134 | opreq1d 3989 |
. . . . . . . 8
⊢ (m = K →
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) = (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n))) |
| 136 | 129, 135 | breq12d 2644 |
. . . . . . 7
⊢ (m = K →
(((n↑m) · (M↑n)) ≤
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n)))) |
| 137 | 136 | ralbidv 1670 |
. . . . . 6
⊢ (m = K →
(∀n
∈ ℕ
((n↑m) · (M↑n)) ≤
(((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n)) ↔ ∀n ∈ ℕ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n)))) |
| 138 | 137 | imbi2d 615 |
. . . . 5
⊢ (m = K →
((M ∈
ℕ0 → ∀n ∈ ℕ ((n↑m)
· (M↑n)) ≤ (((2↑(m↑2)) · (M↑(M +
m))) · (! ‘n))) ↔ (M
∈ ℕ0 → ∀n ∈ ℕ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n))))) |
| 139 | 60, 94, 105, 116, 127, 138 | nn0indALT 6222 |
. . . 4
⊢ (K ∈ ℕ0 → (M ∈ ℕ0 → ∀n ∈ ℕ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n)))) |
| 140 | 139 | imp 350 |
. . 3
⊢ ((K ∈ ℕ0 ⋀
M ∈ ℕ0) → ∀n ∈ ℕ ((n↑K)
· (M↑n)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘n))) |
| 141 | 7, 140 | sylan2 454 |
. 2
⊢ ((N ∈ ℕ ⋀ (K ∈ ℕ0 ⋀
M ∈ ℕ0)) → ((N↑K)
· (M↑N)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘N))) |
| 142 | 141 | 3impb 833 |
1
⊢ ((N ∈ ℕ ⋀ K ∈ ℕ0 ⋀
M ∈ ℕ0) → ((N↑K)
· (M↑N)) ≤ (((2↑(K↑2)) · (M↑(M +
K))) · (! ‘N))) |