| Step | Hyp | Ref
| Expression |
| 1 | | 2z 9676 |
. . . . . 6
⊢ 2 ∈
ℤ |
| 2 | 1 | a1i 9 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) → 2
∈ ℤ) |
| 3 | | simpl 109 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 ∈
ℤ) |
| 4 | 2, 3 | fzfigd 10881 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(2...𝐴) ∈
Fin) |
| 5 | | inss1 3451 |
. . . . 5
⊢
((2...𝐴) ∩
ℙ) ⊆ (2...𝐴) |
| 6 | 5 | a1i 9 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((2...𝐴) ∩ ℙ)
⊆ (2...𝐴)) |
| 7 | | orc 724 |
. . . . . . . . 9
⊢ (𝑥 ∈ (2...𝐴) → (𝑥 ∈ (2...𝐴) ∨ ¬ 𝑥 ∈ (2...𝐴))) |
| 8 | | df-dc 847 |
. . . . . . . . 9
⊢
(DECID 𝑥 ∈ (2...𝐴) ↔ (𝑥 ∈ (2...𝐴) ∨ ¬ 𝑥 ∈ (2...𝐴))) |
| 9 | 7, 8 | sylibr 134 |
. . . . . . . 8
⊢ (𝑥 ∈ (2...𝐴) → DECID 𝑥 ∈ (2...𝐴)) |
| 10 | 9 | adantl 277 |
. . . . . . 7
⊢ (((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) ∧
𝑥 ∈ (2...𝐴)) → DECID
𝑥 ∈ (2...𝐴)) |
| 11 | | elfzelz 10438 |
. . . . . . . . 9
⊢ (𝑥 ∈ (2...𝐴) → 𝑥 ∈ ℤ) |
| 12 | | prmdcz 12925 |
. . . . . . . . 9
⊢ (𝑥 ∈ ℤ →
DECID 𝑥
∈ ℙ) |
| 13 | 11, 12 | syl 14 |
. . . . . . . 8
⊢ (𝑥 ∈ (2...𝐴) → DECID 𝑥 ∈
ℙ) |
| 14 | 13 | adantl 277 |
. . . . . . 7
⊢ (((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) ∧
𝑥 ∈ (2...𝐴)) → DECID
𝑥 ∈
ℙ) |
| 15 | 10, 14 | dcand 945 |
. . . . . 6
⊢ (((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) ∧
𝑥 ∈ (2...𝐴)) → DECID
(𝑥 ∈ (2...𝐴) ∧ 𝑥 ∈ ℙ)) |
| 16 | | elin 3412 |
. . . . . . 7
⊢ (𝑥 ∈ ((2...𝐴) ∩ ℙ) ↔ (𝑥 ∈ (2...𝐴) ∧ 𝑥 ∈ ℙ)) |
| 17 | 16 | dcbii 852 |
. . . . . 6
⊢
(DECID 𝑥 ∈ ((2...𝐴) ∩ ℙ) ↔ DECID
(𝑥 ∈ (2...𝐴) ∧ 𝑥 ∈ ℙ)) |
| 18 | 15, 17 | sylibr 134 |
. . . . 5
⊢ (((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) ∧
𝑥 ∈ (2...𝐴)) → DECID
𝑥 ∈ ((2...𝐴) ∩
ℙ)) |
| 19 | 18 | ralrimiva 2623 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
∀𝑥 ∈ (2...𝐴)DECID 𝑥 ∈ ((2...𝐴) ∩ ℙ)) |
| 20 | | ssfidc 7245 |
. . . 4
⊢
(((2...𝐴) ∈ Fin
∧ ((2...𝐴) ∩
ℙ) ⊆ (2...𝐴)
∧ ∀𝑥 ∈
(2...𝐴)DECID
𝑥 ∈ ((2...𝐴) ∩ ℙ)) →
((2...𝐴) ∩ ℙ)
∈ Fin) |
| 21 | 4, 6, 19, 20 | syl3anc 1278 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((2...𝐴) ∩ ℙ)
∈ Fin) |
| 22 | | zre 9652 |
. . . . . . 7
⊢ (𝐴 ∈ ℤ → 𝐴 ∈
ℝ) |
| 23 | 22 | adantr 276 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 ∈
ℝ) |
| 24 | 23 | ltp1d 9262 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 < (𝐴 + 1)) |
| 25 | | peano2z 9684 |
. . . . . . 7
⊢ (𝐴 ∈ ℤ → (𝐴 + 1) ∈
ℤ) |
| 26 | 25 | adantr 276 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(𝐴 + 1) ∈
ℤ) |
| 27 | | zltnle 9694 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℤ) →
(𝐴 < (𝐴 + 1) ↔ ¬ (𝐴 + 1) ≤ 𝐴)) |
| 28 | 26, 27 | syldan 282 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(𝐴 < (𝐴 + 1) ↔ ¬ (𝐴 + 1) ≤ 𝐴)) |
| 29 | 24, 28 | mpbid 147 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
¬ (𝐴 + 1) ≤ 𝐴) |
| 30 | | elinel1 3415 |
. . . . 5
⊢ ((𝐴 + 1) ∈ ((2...𝐴) ∩ ℙ) → (𝐴 + 1) ∈ (2...𝐴)) |
| 31 | | elfzle2 10442 |
. . . . 5
⊢ ((𝐴 + 1) ∈ (2...𝐴) → (𝐴 + 1) ≤ 𝐴) |
| 32 | 30, 31 | syl 14 |
. . . 4
⊢ ((𝐴 + 1) ∈ ((2...𝐴) ∩ ℙ) → (𝐴 + 1) ≤ 𝐴) |
| 33 | 29, 32 | nsyl 637 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
¬ (𝐴 + 1) ∈
((2...𝐴) ∩
ℙ)) |
| 34 | | hashunsng 11262 |
. . . . 5
⊢ ((𝐴 + 1) ∈ ℤ →
((((2...𝐴) ∩ ℙ)
∈ Fin ∧ ¬ (𝐴 +
1) ∈ ((2...𝐴) ∩
ℙ)) → (♯‘(((2...𝐴) ∩ ℙ) ∪ {(𝐴 + 1)})) = ((♯‘((2...𝐴) ∩ ℙ)) +
1))) |
| 35 | 25, 34 | syl 14 |
. . . 4
⊢ (𝐴 ∈ ℤ →
((((2...𝐴) ∩ ℙ)
∈ Fin ∧ ¬ (𝐴 +
1) ∈ ((2...𝐴) ∩
ℙ)) → (♯‘(((2...𝐴) ∩ ℙ) ∪ {(𝐴 + 1)})) = ((♯‘((2...𝐴) ∩ ℙ)) +
1))) |
| 36 | 35 | adantr 276 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((((2...𝐴) ∩ ℙ)
∈ Fin ∧ ¬ (𝐴 +
1) ∈ ((2...𝐴) ∩
ℙ)) → (♯‘(((2...𝐴) ∩ ℙ) ∪ {(𝐴 + 1)})) = ((♯‘((2...𝐴) ∩ ℙ)) +
1))) |
| 37 | 21, 33, 36 | mp2and 437 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(♯‘(((2...𝐴)
∩ ℙ) ∪ {(𝐴 +
1)})) = ((♯‘((2...𝐴) ∩ ℙ)) + 1)) |
| 38 | | ppival2 16161 |
. . . 4
⊢ ((𝐴 + 1) ∈ ℤ →
(π‘(𝐴 + 1))
= (♯‘((2...(𝐴 +
1)) ∩ ℙ))) |
| 39 | 26, 38 | syl 14 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(π‘(𝐴 + 1))
= (♯‘((2...(𝐴 +
1)) ∩ ℙ))) |
| 40 | | zcn 9653 |
. . . . . . . . . . . 12
⊢ (𝐴 ∈ ℤ → 𝐴 ∈
ℂ) |
| 41 | 40 | adantr 276 |
. . . . . . . . . . 11
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 ∈
ℂ) |
| 42 | | ax-1cn 8272 |
. . . . . . . . . . 11
⊢ 1 ∈
ℂ |
| 43 | | pncan 8533 |
. . . . . . . . . . 11
⊢ ((𝐴 ∈ ℂ ∧ 1 ∈
ℂ) → ((𝐴 + 1)
− 1) = 𝐴) |
| 44 | 41, 42, 43 | sylancl 417 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((𝐴 + 1) − 1) = 𝐴) |
| 45 | | prmuz2 12926 |
. . . . . . . . . . . 12
⊢ ((𝐴 + 1) ∈ ℙ →
(𝐴 + 1) ∈
(ℤ≥‘2)) |
| 46 | 45 | adantl 277 |
. . . . . . . . . . 11
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(𝐴 + 1) ∈
(ℤ≥‘2)) |
| 47 | | uz2m1nn 10014 |
. . . . . . . . . . 11
⊢ ((𝐴 + 1) ∈
(ℤ≥‘2) → ((𝐴 + 1) − 1) ∈
ℕ) |
| 48 | 46, 47 | syl 14 |
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((𝐴 + 1) − 1) ∈
ℕ) |
| 49 | 44, 48 | eqeltrrd 2316 |
. . . . . . . . 9
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 ∈
ℕ) |
| 50 | | nnuz 9967 |
. . . . . . . . . 10
⊢ ℕ =
(ℤ≥‘1) |
| 51 | | 2m1e1 9424 |
. . . . . . . . . . 11
⊢ (2
− 1) = 1 |
| 52 | 51 | fveq2i 5698 |
. . . . . . . . . 10
⊢
(ℤ≥‘(2 − 1)) =
(ℤ≥‘1) |
| 53 | 50, 52 | eqtr4i 2262 |
. . . . . . . . 9
⊢ ℕ =
(ℤ≥‘(2 − 1)) |
| 54 | 49, 53 | eleqtrdi 2331 |
. . . . . . . 8
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
𝐴 ∈
(ℤ≥‘(2 − 1))) |
| 55 | | fzsuc2 10496 |
. . . . . . . 8
⊢ ((2
∈ ℤ ∧ 𝐴
∈ (ℤ≥‘(2 − 1))) → (2...(𝐴 + 1)) = ((2...𝐴) ∪ {(𝐴 + 1)})) |
| 56 | 1, 54, 55 | sylancr 418 |
. . . . . . 7
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(2...(𝐴 + 1)) = ((2...𝐴) ∪ {(𝐴 + 1)})) |
| 57 | 56 | ineq1d 3431 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((2...(𝐴 + 1)) ∩
ℙ) = (((2...𝐴) ∪
{(𝐴 + 1)}) ∩
ℙ)) |
| 58 | | indir 3480 |
. . . . . 6
⊢
(((2...𝐴) ∪
{(𝐴 + 1)}) ∩ ℙ) =
(((2...𝐴) ∩ ℙ)
∪ ({(𝐴 + 1)} ∩
ℙ)) |
| 59 | 57, 58 | eqtrdi 2287 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((2...(𝐴 + 1)) ∩
ℙ) = (((2...𝐴) ∩
ℙ) ∪ ({(𝐴 + 1)}
∩ ℙ))) |
| 60 | | simpr 110 |
. . . . . . . 8
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(𝐴 + 1) ∈
ℙ) |
| 61 | 60 | snssd 3860 |
. . . . . . 7
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
{(𝐴 + 1)} ⊆
ℙ) |
| 62 | | dfss2 3237 |
. . . . . . 7
⊢ ({(𝐴 + 1)} ⊆ ℙ ↔
({(𝐴 + 1)} ∩ ℙ) =
{(𝐴 + 1)}) |
| 63 | 61, 62 | sylib 122 |
. . . . . 6
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
({(𝐴 + 1)} ∩ ℙ) =
{(𝐴 + 1)}) |
| 64 | 63 | uneq2d 3383 |
. . . . 5
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(((2...𝐴) ∩ ℙ)
∪ ({(𝐴 + 1)} ∩
ℙ)) = (((2...𝐴) ∩
ℙ) ∪ {(𝐴 +
1)})) |
| 65 | 59, 64 | eqtrd 2271 |
. . . 4
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((2...(𝐴 + 1)) ∩
ℙ) = (((2...𝐴) ∩
ℙ) ∪ {(𝐴 +
1)})) |
| 66 | 65 | fveq2d 5699 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(♯‘((2...(𝐴 +
1)) ∩ ℙ)) = (♯‘(((2...𝐴) ∩ ℙ) ∪ {(𝐴 + 1)}))) |
| 67 | 39, 66 | eqtrd 2271 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(π‘(𝐴 + 1))
= (♯‘(((2...𝐴)
∩ ℙ) ∪ {(𝐴 +
1)}))) |
| 68 | | ppival2 16161 |
. . . 4
⊢ (𝐴 ∈ ℤ →
(π‘𝐴) =
(♯‘((2...𝐴)
∩ ℙ))) |
| 69 | 68 | adantr 276 |
. . 3
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(π‘𝐴) =
(♯‘((2...𝐴)
∩ ℙ))) |
| 70 | 69 | oveq1d 6100 |
. 2
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
((π‘𝐴) + 1)
= ((♯‘((2...𝐴)
∩ ℙ)) + 1)) |
| 71 | 37, 67, 70 | 3eqtr4d 2281 |
1
⊢ ((𝐴 ∈ ℤ ∧ (𝐴 + 1) ∈ ℙ) →
(π‘(𝐴 + 1))
= ((π‘𝐴) +
1)) |