| Step | Hyp | Ref
| Expression |
| 1 | | simprr 537 |
. . . . . . . . . . 11
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈ ((2...(𝐴 + 1)) ∩
ℙ)) |
| 2 | 1 | elin2d 3419 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈
ℙ) |
| 3 | | simprl 535 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
¬ (𝐴 + 1) ∈
ℙ) |
| 4 | | nelne2 2511 |
. . . . . . . . . 10
⊢ ((𝑥 ∈ ℙ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ 𝑥 ≠ (𝐴 + 1)) |
| 5 | 2, 3, 4 | syl2anc 415 |
. . . . . . . . 9
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ≠ (𝐴 + 1)) |
| 6 | | velsn 3726 |
. . . . . . . . . 10
⊢ (𝑥 ∈ {(𝐴 + 1)} ↔ 𝑥 = (𝐴 + 1)) |
| 7 | 6 | necon3bbii 2457 |
. . . . . . . . 9
⊢ (¬
𝑥 ∈ {(𝐴 + 1)} ↔ 𝑥 ≠ (𝐴 + 1)) |
| 8 | 5, 7 | sylibr 134 |
. . . . . . . 8
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
¬ 𝑥 ∈ {(𝐴 + 1)}) |
| 9 | 1 | elin1d 3418 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈ (2...(𝐴 + 1))) |
| 10 | | 2z 9676 |
. . . . . . . . . . 11
⊢ 2 ∈
ℤ |
| 11 | | zcn 9653 |
. . . . . . . . . . . . . . 15
⊢ (𝐴 ∈ ℤ → 𝐴 ∈
ℂ) |
| 12 | 11 | adantr 276 |
. . . . . . . . . . . . . 14
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝐴 ∈
ℂ) |
| 13 | | ax-1cn 8272 |
. . . . . . . . . . . . . 14
⊢ 1 ∈
ℂ |
| 14 | | pncan 8533 |
. . . . . . . . . . . . . 14
⊢ ((𝐴 ∈ ℂ ∧ 1 ∈
ℂ) → ((𝐴 + 1)
− 1) = 𝐴) |
| 15 | 12, 13, 14 | sylancl 417 |
. . . . . . . . . . . . 13
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
((𝐴 + 1) − 1) = 𝐴) |
| 16 | | elfzuz2 10443 |
. . . . . . . . . . . . . 14
⊢ (𝑥 ∈ (2...(𝐴 + 1)) → (𝐴 + 1) ∈
(ℤ≥‘2)) |
| 17 | | uz2m1nn 10014 |
. . . . . . . . . . . . . 14
⊢ ((𝐴 + 1) ∈
(ℤ≥‘2) → ((𝐴 + 1) − 1) ∈
ℕ) |
| 18 | 9, 16, 17 | 3syl 17 |
. . . . . . . . . . . . 13
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
((𝐴 + 1) − 1) ∈
ℕ) |
| 19 | 15, 18 | eqeltrrd 2316 |
. . . . . . . . . . . 12
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝐴 ∈
ℕ) |
| 20 | | nnuz 9967 |
. . . . . . . . . . . . 13
⊢ ℕ =
(ℤ≥‘1) |
| 21 | | 2m1e1 9424 |
. . . . . . . . . . . . . 14
⊢ (2
− 1) = 1 |
| 22 | 21 | fveq2i 5698 |
. . . . . . . . . . . . 13
⊢
(ℤ≥‘(2 − 1)) =
(ℤ≥‘1) |
| 23 | 20, 22 | eqtr4i 2262 |
. . . . . . . . . . . 12
⊢ ℕ =
(ℤ≥‘(2 − 1)) |
| 24 | 19, 23 | eleqtrdi 2331 |
. . . . . . . . . . 11
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝐴 ∈
(ℤ≥‘(2 − 1))) |
| 25 | | fzsuc2 10496 |
. . . . . . . . . . 11
⊢ ((2
∈ ℤ ∧ 𝐴
∈ (ℤ≥‘(2 − 1))) → (2...(𝐴 + 1)) = ((2...𝐴) ∪ {(𝐴 + 1)})) |
| 26 | 10, 24, 25 | sylancr 418 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
(2...(𝐴 + 1)) = ((2...𝐴) ∪ {(𝐴 + 1)})) |
| 27 | 9, 26 | eleqtrd 2317 |
. . . . . . . . 9
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈ ((2...𝐴) ∪ {(𝐴 + 1)})) |
| 28 | | elun 3370 |
. . . . . . . . 9
⊢ (𝑥 ∈ ((2...𝐴) ∪ {(𝐴 + 1)}) ↔ (𝑥 ∈ (2...𝐴) ∨ 𝑥 ∈ {(𝐴 + 1)})) |
| 29 | 27, 28 | sylib 122 |
. . . . . . . 8
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
(𝑥 ∈ (2...𝐴) ∨ 𝑥 ∈ {(𝐴 + 1)})) |
| 30 | 8, 29 | ecased 1390 |
. . . . . . 7
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈ (2...𝐴)) |
| 31 | 30, 2 | elind 3414 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (¬
(𝐴 + 1) ∈ ℙ
∧ 𝑥 ∈ ((2...(𝐴 + 1)) ∩ ℙ))) →
𝑥 ∈ ((2...𝐴) ∩
ℙ)) |
| 32 | 31 | expr 375 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (𝑥 ∈
((2...(𝐴 + 1)) ∩
ℙ) → 𝑥 ∈
((2...𝐴) ∩
ℙ))) |
| 33 | 32 | ssrdv 3254 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ ((2...(𝐴 + 1)) ∩
ℙ) ⊆ ((2...𝐴)
∩ ℙ)) |
| 34 | | uzid 9945 |
. . . . . 6
⊢ (𝐴 ∈ ℤ → 𝐴 ∈
(ℤ≥‘𝐴)) |
| 35 | 34 | adantr 276 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ 𝐴 ∈
(ℤ≥‘𝐴)) |
| 36 | | peano2uz 9992 |
. . . . 5
⊢ (𝐴 ∈
(ℤ≥‘𝐴) → (𝐴 + 1) ∈
(ℤ≥‘𝐴)) |
| 37 | | fzss2 10480 |
. . . . 5
⊢ ((𝐴 + 1) ∈
(ℤ≥‘𝐴) → (2...𝐴) ⊆ (2...(𝐴 + 1))) |
| 38 | | ssrin 3456 |
. . . . 5
⊢
((2...𝐴) ⊆
(2...(𝐴 + 1)) →
((2...𝐴) ∩ ℙ)
⊆ ((2...(𝐴 + 1))
∩ ℙ)) |
| 39 | 35, 36, 37, 38 | 4syl 18 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ ((2...𝐴) ∩
ℙ) ⊆ ((2...(𝐴 +
1)) ∩ ℙ)) |
| 40 | 33, 39 | eqssd 3265 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ ((2...(𝐴 + 1)) ∩
ℙ) = ((2...𝐴) ∩
ℙ)) |
| 41 | 40 | fveq2d 5699 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (♯‘((2...(𝐴 + 1)) ∩ ℙ)) =
(♯‘((2...𝐴)
∩ ℙ))) |
| 42 | | peano2z 9684 |
. . . 4
⊢ (𝐴 ∈ ℤ → (𝐴 + 1) ∈
ℤ) |
| 43 | 42 | adantr 276 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (𝐴 + 1) ∈
ℤ) |
| 44 | | ppival2 16161 |
. . 3
⊢ ((𝐴 + 1) ∈ ℤ →
(π‘(𝐴 + 1))
= (♯‘((2...(𝐴 +
1)) ∩ ℙ))) |
| 45 | 43, 44 | syl 14 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (π‘(𝐴 + 1)) = (♯‘((2...(𝐴 + 1)) ∩
ℙ))) |
| 46 | | ppival2 16161 |
. . 3
⊢ (𝐴 ∈ ℤ →
(π‘𝐴) =
(♯‘((2...𝐴)
∩ ℙ))) |
| 47 | 46 | adantr 276 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (π‘𝐴) = (♯‘((2...𝐴) ∩ ℙ))) |
| 48 | 41, 45, 47 | 3eqtr4d 2281 |
1
⊢ ((𝐴 ∈ ℤ ∧ ¬
(𝐴 + 1) ∈ ℙ)
→ (π‘(𝐴 + 1)) = (π‘𝐴)) |