| Step | Hyp | Ref
| Expression |
| 1 | | ppiqcl 16163 |
. . . . . . . 8
⊢ (𝑁 ∈ ℚ →
(π‘𝑁)
∈ ℕ0) |
| 2 | 1 | nn0red 9625 |
. . . . . . 7
⊢ (𝑁 ∈ ℚ →
(π‘𝑁)
∈ ℝ) |
| 3 | 2 | adantr 276 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(π‘𝑁)
∈ ℝ) |
| 4 | | 2re 9376 |
. . . . . 6
⊢ 2 ∈
ℝ |
| 5 | | resubcl 8591 |
. . . . . 6
⊢
(((π‘𝑁) ∈ ℝ ∧ 2 ∈ ℝ)
→ ((π‘𝑁) − 2) ∈
ℝ) |
| 6 | 3, 4, 5 | sylancl 417 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘𝑁)
− 2) ∈ ℝ) |
| 7 | | 4z 9678 |
. . . . . . . . . . 11
⊢ 4 ∈
ℤ |
| 8 | 7 | a1i 9 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ → 4 ∈
ℤ) |
| 9 | | flqcl 10718 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ →
(⌊‘𝑁) ∈
ℤ) |
| 10 | 8, 9 | fzfigd 10881 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ →
(4...(⌊‘𝑁))
∈ Fin) |
| 11 | | ssrab2 3333 |
. . . . . . . . . 10
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ⊆ (4...(⌊‘𝑁)) |
| 12 | 11 | a1i 9 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ⊆ (4...(⌊‘𝑁))) |
| 13 | | animorrl 838 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ (𝑥 ∈
(4...(⌊‘𝑁))
∨ ¬ 𝑥 ∈
(4...(⌊‘𝑁)))) |
| 14 | | df-dc 847 |
. . . . . . . . . . . . 13
⊢
(DECID 𝑥 ∈ (4...(⌊‘𝑁)) ↔ (𝑥 ∈ (4...(⌊‘𝑁)) ∨ ¬ 𝑥 ∈ (4...(⌊‘𝑁)))) |
| 15 | 13, 14 | sylibr 134 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ (4...(⌊‘𝑁))) |
| 16 | | elfzelz 10438 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈
(4...(⌊‘𝑁))
→ 𝑥 ∈
ℤ) |
| 17 | 16 | adantl 277 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ 𝑥 ∈
ℤ) |
| 18 | | 6nn 9474 |
. . . . . . . . . . . . . . . . 17
⊢ 6 ∈
ℕ |
| 19 | | zmodcl 10794 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑥 ∈ ℤ ∧ 6 ∈
ℕ) → (𝑥 mod 6)
∈ ℕ0) |
| 20 | 17, 18, 19 | sylancl 417 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ (𝑥 mod 6) ∈
ℕ0) |
| 21 | 20 | nn0zd 9770 |
. . . . . . . . . . . . . . 15
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ (𝑥 mod 6) ∈
ℤ) |
| 22 | | 1z 9674 |
. . . . . . . . . . . . . . 15
⊢ 1 ∈
ℤ |
| 23 | | zdceq 9724 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 mod 6) ∈ ℤ ∧ 1
∈ ℤ) → DECID (𝑥 mod 6) = 1) |
| 24 | 21, 22, 23 | sylancl 417 |
. . . . . . . . . . . . . 14
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 mod 6) = 1) |
| 25 | | 5nn 9473 |
. . . . . . . . . . . . . . . 16
⊢ 5 ∈
ℕ |
| 26 | 25 | nnzi 9669 |
. . . . . . . . . . . . . . 15
⊢ 5 ∈
ℤ |
| 27 | | zdceq 9724 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 mod 6) ∈ ℤ ∧ 5
∈ ℤ) → DECID (𝑥 mod 6) = 5) |
| 28 | 21, 26, 27 | sylancl 417 |
. . . . . . . . . . . . . 14
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 mod 6) = 5) |
| 29 | | dcor 948 |
. . . . . . . . . . . . . 14
⊢
(DECID (𝑥 mod 6) = 1 → (DECID
(𝑥 mod 6) = 5 →
DECID ((𝑥
mod 6) = 1 ∨ (𝑥 mod 6) =
5))) |
| 30 | 24, 28, 29 | sylc 62 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID ((𝑥 mod 6) = 1 ∨ (𝑥 mod 6) = 5)) |
| 31 | | elprg 3729 |
. . . . . . . . . . . . . . 15
⊢ ((𝑥 mod 6) ∈
ℕ0 → ((𝑥 mod 6) ∈ {1, 5} ↔ ((𝑥 mod 6) = 1 ∨ (𝑥 mod 6) = 5))) |
| 32 | 20, 31 | syl 14 |
. . . . . . . . . . . . . 14
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ ((𝑥 mod 6) ∈
{1, 5} ↔ ((𝑥 mod 6) =
1 ∨ (𝑥 mod 6) =
5))) |
| 33 | 32 | dcbid 850 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ (DECID (𝑥 mod 6) ∈ {1, 5} ↔
DECID ((𝑥
mod 6) = 1 ∨ (𝑥 mod 6) =
5))) |
| 34 | 30, 33 | mpbird 167 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 mod 6) ∈ {1, 5}) |
| 35 | 15, 34 | dcand 945 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 ∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) ∈ {1, 5})) |
| 36 | | oveq1 6092 |
. . . . . . . . . . . . . 14
⊢ (𝑘 = 𝑥 → (𝑘 mod 6) = (𝑥 mod 6)) |
| 37 | 36 | eleq1d 2307 |
. . . . . . . . . . . . 13
⊢ (𝑘 = 𝑥 → ((𝑘 mod 6) ∈ {1, 5} ↔ (𝑥 mod 6) ∈ {1,
5})) |
| 38 | 37 | elrab 2982 |
. . . . . . . . . . . 12
⊢ (𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}} ↔ (𝑥 ∈
(4...(⌊‘𝑁))
∧ (𝑥 mod 6) ∈ {1,
5})) |
| 39 | 38 | dcbii 852 |
. . . . . . . . . . 11
⊢
(DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}} ↔
DECID (𝑥
∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) ∈ {1, 5})) |
| 40 | 35, 39 | sylibr 134 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) |
| 41 | 40 | ralrimiva 2623 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ →
∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) |
| 42 | | ssfidc 7245 |
. . . . . . . . 9
⊢
(((4...(⌊‘𝑁)) ∈ Fin ∧ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}} ⊆
(4...(⌊‘𝑁))
∧ ∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ∈ Fin) |
| 43 | 10, 12, 41, 42 | syl3anc 1278 |
. . . . . . . 8
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ∈ Fin) |
| 44 | | hashcl 11234 |
. . . . . . . 8
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ∈ Fin → (♯‘{𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) ∈
ℕ0) |
| 45 | 43, 44 | syl 14 |
. . . . . . 7
⊢ (𝑁 ∈ ℚ →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ∈ ℕ0) |
| 46 | 45 | nn0red 9625 |
. . . . . 6
⊢ (𝑁 ∈ ℚ →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ∈ ℝ) |
| 47 | 46 | adantr 276 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ∈ ℝ) |
| 48 | | qre 10034 |
. . . . . . 7
⊢ (𝑁 ∈ ℚ → 𝑁 ∈
ℝ) |
| 49 | | 3nn 9471 |
. . . . . . 7
⊢ 3 ∈
ℕ |
| 50 | | nndivre 9342 |
. . . . . . 7
⊢ ((𝑁 ∈ ℝ ∧ 3 ∈
ℕ) → (𝑁 / 3)
∈ ℝ) |
| 51 | 48, 49, 50 | sylancl 417 |
. . . . . 6
⊢ (𝑁 ∈ ℚ → (𝑁 / 3) ∈
ℝ) |
| 52 | 51 | adantr 276 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 / 3) ∈
ℝ) |
| 53 | | ppiqfl 16172 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ →
(π‘(⌊‘𝑁)) = (π‘𝑁)) |
| 54 | 53 | adantr 276 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(π‘(⌊‘𝑁)) = (π‘𝑁)) |
| 55 | | ppi3 16180 |
. . . . . . . . 9
⊢
(π‘3) = 2 |
| 56 | 55 | a1i 9 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(π‘3) = 2) |
| 57 | 54, 56 | oveq12d 6103 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘(⌊‘𝑁)) − (π‘3)) =
((π‘𝑁)
− 2)) |
| 58 | | 3z 9677 |
. . . . . . . . . . 11
⊢ 3 ∈
ℤ |
| 59 | 58 | a1i 9 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 3 ∈
ℤ) |
| 60 | 9 | adantr 276 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘𝑁) ∈
ℤ) |
| 61 | | flqge 10729 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 3 ∈
ℤ) → (3 ≤ 𝑁
↔ 3 ≤ (⌊‘𝑁))) |
| 62 | 58, 61 | mpan2 429 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ → (3 ≤
𝑁 ↔ 3 ≤
(⌊‘𝑁))) |
| 63 | 62 | biimpa 296 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 3 ≤
(⌊‘𝑁)) |
| 64 | | eluz2 9936 |
. . . . . . . . . 10
⊢
((⌊‘𝑁)
∈ (ℤ≥‘3) ↔ (3 ∈ ℤ ∧
(⌊‘𝑁) ∈
ℤ ∧ 3 ≤ (⌊‘𝑁))) |
| 65 | 59, 60, 63, 64 | syl3anbrc 1212 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘𝑁) ∈
(ℤ≥‘3)) |
| 66 | | ppidif 16175 |
. . . . . . . . 9
⊢
((⌊‘𝑁)
∈ (ℤ≥‘3) →
((π‘(⌊‘𝑁)) − (π‘3)) =
(♯‘(((3 + 1)...(⌊‘𝑁)) ∩ ℙ))) |
| 67 | 65, 66 | syl 14 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘(⌊‘𝑁)) − (π‘3)) =
(♯‘(((3 + 1)...(⌊‘𝑁)) ∩ ℙ))) |
| 68 | | df-4 9367 |
. . . . . . . . . . 11
⊢ 4 = (3 +
1) |
| 69 | 68 | oveq1i 6095 |
. . . . . . . . . 10
⊢
(4...(⌊‘𝑁)) = ((3 + 1)...(⌊‘𝑁)) |
| 70 | 69 | ineq1i 3428 |
. . . . . . . . 9
⊢
((4...(⌊‘𝑁)) ∩ ℙ) = (((3 +
1)...(⌊‘𝑁))
∩ ℙ) |
| 71 | 70 | fveq2i 5698 |
. . . . . . . 8
⊢
(♯‘((4...(⌊‘𝑁)) ∩ ℙ)) = (♯‘(((3 +
1)...(⌊‘𝑁))
∩ ℙ)) |
| 72 | 67, 71 | eqtr4di 2289 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘(⌊‘𝑁)) − (π‘3)) =
(♯‘((4...(⌊‘𝑁)) ∩ ℙ))) |
| 73 | 57, 72 | eqtr3d 2273 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘𝑁)
− 2) = (♯‘((4...(⌊‘𝑁)) ∩ ℙ))) |
| 74 | | dfin5 3227 |
. . . . . . . . . 10
⊢
((4...(⌊‘𝑁)) ∩ ℙ) = {𝑘 ∈ (4...(⌊‘𝑁)) ∣ 𝑘 ∈ ℙ} |
| 75 | | elfzle1 10441 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ 4 ≤ 𝑘) |
| 76 | | ppiublem2 16193 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℙ ∧ 4 ≤
𝑘) → (𝑘 mod 6) ∈ {1,
5}) |
| 77 | 76 | expcom 116 |
. . . . . . . . . . . 12
⊢ (4 ≤
𝑘 → (𝑘 ∈ ℙ → (𝑘 mod 6) ∈ {1,
5})) |
| 78 | 75, 77 | syl 14 |
. . . . . . . . . . 11
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ (𝑘 ∈ ℙ
→ (𝑘 mod 6) ∈ {1,
5})) |
| 79 | 78 | ss2rabi 3330 |
. . . . . . . . . 10
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ 𝑘 ∈ ℙ}
⊆ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} |
| 80 | 74, 79 | eqsstri 3280 |
. . . . . . . . 9
⊢
((4...(⌊‘𝑁)) ∩ ℙ) ⊆ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} |
| 81 | | ssdomg 7065 |
. . . . . . . . 9
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ∈ Fin → (((4...(⌊‘𝑁)) ∩ ℙ) ⊆ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} → ((4...(⌊‘𝑁)) ∩ ℙ) ≼ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}})) |
| 82 | 43, 80, 81 | mpisyl 1496 |
. . . . . . . 8
⊢ (𝑁 ∈ ℚ →
((4...(⌊‘𝑁))
∩ ℙ) ≼ {𝑘
∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) |
| 83 | | inss1 3451 |
. . . . . . . . . . 11
⊢
((4...(⌊‘𝑁)) ∩ ℙ) ⊆
(4...(⌊‘𝑁)) |
| 84 | 83 | a1i 9 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ →
((4...(⌊‘𝑁))
∩ ℙ) ⊆ (4...(⌊‘𝑁))) |
| 85 | | prmdcz 12925 |
. . . . . . . . . . . . . 14
⊢ (𝑥 ∈ ℤ →
DECID 𝑥
∈ ℙ) |
| 86 | 17, 85 | syl 14 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ ℙ) |
| 87 | 15, 86 | dcand 945 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 ∈ (4...(⌊‘𝑁)) ∧ 𝑥 ∈ ℙ)) |
| 88 | | elin 3412 |
. . . . . . . . . . . . 13
⊢ (𝑥 ∈
((4...(⌊‘𝑁))
∩ ℙ) ↔ (𝑥
∈ (4...(⌊‘𝑁)) ∧ 𝑥 ∈ ℙ)) |
| 89 | 88 | dcbii 852 |
. . . . . . . . . . . 12
⊢
(DECID 𝑥 ∈ ((4...(⌊‘𝑁)) ∩ ℙ) ↔
DECID (𝑥
∈ (4...(⌊‘𝑁)) ∧ 𝑥 ∈ ℙ)) |
| 90 | 87, 89 | sylibr 134 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ ((4...(⌊‘𝑁)) ∩
ℙ)) |
| 91 | 90 | ralrimiva 2623 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ →
∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ ((4...(⌊‘𝑁)) ∩
ℙ)) |
| 92 | | ssfidc 7245 |
. . . . . . . . . 10
⊢
(((4...(⌊‘𝑁)) ∈ Fin ∧
((4...(⌊‘𝑁))
∩ ℙ) ⊆ (4...(⌊‘𝑁)) ∧ ∀𝑥 ∈ (4...(⌊‘𝑁))DECID 𝑥 ∈ ((4...(⌊‘𝑁)) ∩ ℙ)) →
((4...(⌊‘𝑁))
∩ ℙ) ∈ Fin) |
| 93 | 10, 84, 91, 92 | syl3anc 1278 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ →
((4...(⌊‘𝑁))
∩ ℙ) ∈ Fin) |
| 94 | | fihashdom 11257 |
. . . . . . . . 9
⊢
((((4...(⌊‘𝑁)) ∩ ℙ) ∈ Fin ∧ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} ∈ Fin) → ((♯‘((4...(⌊‘𝑁)) ∩ ℙ)) ≤
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ↔ ((4...(⌊‘𝑁)) ∩ ℙ) ≼ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}})) |
| 95 | 93, 43, 94 | syl2anc 415 |
. . . . . . . 8
⊢ (𝑁 ∈ ℚ →
((♯‘((4...(⌊‘𝑁)) ∩ ℙ)) ≤
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ↔ ((4...(⌊‘𝑁)) ∩ ℙ) ≼ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}})) |
| 96 | 82, 95 | mpbird 167 |
. . . . . . 7
⊢ (𝑁 ∈ ℚ →
(♯‘((4...(⌊‘𝑁)) ∩ ℙ)) ≤
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}})) |
| 97 | 96 | adantr 276 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘((4...(⌊‘𝑁)) ∩ ℙ)) ≤
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}})) |
| 98 | 73, 97 | eqbrtrd 4152 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘𝑁)
− 2) ≤ (♯‘{𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}})) |
| 99 | | peano2zm 9686 |
. . . . . . . . . . 11
⊢
((⌊‘𝑁)
∈ ℤ → ((⌊‘𝑁) − 1) ∈
ℤ) |
| 100 | 60, 99 | syl 14 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
1) ∈ ℤ) |
| 101 | | znq 10033 |
. . . . . . . . . 10
⊢
((((⌊‘𝑁)
− 1) ∈ ℤ ∧ 6 ∈ ℕ) → (((⌊‘𝑁) − 1) / 6) ∈
ℚ) |
| 102 | 100, 18, 101 | sylancl 417 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
1) / 6) ∈ ℚ) |
| 103 | 102 | flqcld 10724 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 1) / 6)) ∈
ℤ) |
| 104 | 103 | zred 9772 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 1) / 6)) ∈
ℝ) |
| 105 | 26 | a1i 9 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 5 ∈
ℤ) |
| 106 | 60, 105 | zsubcld 9777 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
5) ∈ ℤ) |
| 107 | | znq 10033 |
. . . . . . . . . . 11
⊢
((((⌊‘𝑁)
− 5) ∈ ℤ ∧ 6 ∈ ℕ) → (((⌊‘𝑁) − 5) / 6) ∈
ℚ) |
| 108 | 106, 18, 107 | sylancl 417 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
5) / 6) ∈ ℚ) |
| 109 | 108 | flqcld 10724 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 5) / 6)) ∈
ℤ) |
| 110 | 109 | zred 9772 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 5) / 6)) ∈
ℝ) |
| 111 | | peano2re 8463 |
. . . . . . . 8
⊢
((⌊‘(((⌊‘𝑁) − 5) / 6)) ∈ ℝ →
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1) ∈
ℝ) |
| 112 | 110, 111 | syl 14 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1) ∈
ℝ) |
| 113 | | peano2rem 8594 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℝ → (𝑁 − 1) ∈
ℝ) |
| 114 | 48, 113 | syl 14 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ → (𝑁 − 1) ∈
ℝ) |
| 115 | 114 | adantr 276 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 − 1) ∈
ℝ) |
| 116 | | nndivre 9342 |
. . . . . . . 8
⊢ (((𝑁 − 1) ∈ ℝ ∧
6 ∈ ℕ) → ((𝑁 − 1) / 6) ∈
ℝ) |
| 117 | 115, 18, 116 | sylancl 417 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 − 1) / 6) ∈
ℝ) |
| 118 | 48 | adantr 276 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 𝑁 ∈ ℝ) |
| 119 | | 5re 9385 |
. . . . . . . . . 10
⊢ 5 ∈
ℝ |
| 120 | | resubcl 8591 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℝ ∧ 5 ∈
ℝ) → (𝑁 −
5) ∈ ℝ) |
| 121 | 118, 119,
120 | sylancl 417 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 − 5) ∈
ℝ) |
| 122 | | nndivre 9342 |
. . . . . . . . 9
⊢ (((𝑁 − 5) ∈ ℝ ∧
6 ∈ ℕ) → ((𝑁 − 5) / 6) ∈
ℝ) |
| 123 | 121, 18, 122 | sylancl 417 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 − 5) / 6) ∈
ℝ) |
| 124 | | peano2re 8463 |
. . . . . . . 8
⊢ (((𝑁 − 5) / 6) ∈ ℝ
→ (((𝑁 − 5) / 6)
+ 1) ∈ ℝ) |
| 125 | 123, 124 | syl 14 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((𝑁 − 5) / 6) + 1) ∈
ℝ) |
| 126 | | qre 10034 |
. . . . . . . . 9
⊢
((((⌊‘𝑁)
− 1) / 6) ∈ ℚ → (((⌊‘𝑁) − 1) / 6) ∈
ℝ) |
| 127 | 102, 126 | syl 14 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
1) / 6) ∈ ℝ) |
| 128 | | flqle 10725 |
. . . . . . . . 9
⊢
((((⌊‘𝑁)
− 1) / 6) ∈ ℚ → (⌊‘(((⌊‘𝑁) − 1) / 6)) ≤
(((⌊‘𝑁) −
1) / 6)) |
| 129 | 102, 128 | syl 14 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 1) / 6)) ≤
(((⌊‘𝑁) −
1) / 6)) |
| 130 | 60 | zred 9772 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘𝑁) ∈
ℝ) |
| 131 | | 1red 8341 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 1 ∈
ℝ) |
| 132 | | flqle 10725 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ →
(⌊‘𝑁) ≤
𝑁) |
| 133 | 132 | adantr 276 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘𝑁) ≤
𝑁) |
| 134 | 130, 118,
131, 133 | lesub1dd 8890 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
1) ≤ (𝑁 −
1)) |
| 135 | 100 | zred 9772 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
1) ∈ ℝ) |
| 136 | | 6re 9387 |
. . . . . . . . . . 11
⊢ 6 ∈
ℝ |
| 137 | 136 | a1i 9 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 6 ∈
ℝ) |
| 138 | | 6pos 9407 |
. . . . . . . . . . 11
⊢ 0 <
6 |
| 139 | 138 | a1i 9 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 0 <
6) |
| 140 | | lediv1 9201 |
. . . . . . . . . 10
⊢
((((⌊‘𝑁)
− 1) ∈ ℝ ∧ (𝑁 − 1) ∈ ℝ ∧ (6 ∈
ℝ ∧ 0 < 6)) → (((⌊‘𝑁) − 1) ≤ (𝑁 − 1) ↔ (((⌊‘𝑁) − 1) / 6) ≤ ((𝑁 − 1) /
6))) |
| 141 | 135, 115,
137, 139, 140 | syl112anc 1282 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
1) ≤ (𝑁 − 1)
↔ (((⌊‘𝑁)
− 1) / 6) ≤ ((𝑁
− 1) / 6))) |
| 142 | 134, 141 | mpbid 147 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
1) / 6) ≤ ((𝑁 − 1)
/ 6)) |
| 143 | 104, 127,
117, 129, 142 | letrd 8451 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 1) / 6)) ≤ ((𝑁 − 1) / 6)) |
| 144 | | resubcl 8591 |
. . . . . . . . . . 11
⊢
(((⌊‘𝑁)
∈ ℝ ∧ 5 ∈ ℝ) → ((⌊‘𝑁) − 5) ∈
ℝ) |
| 145 | 130, 119,
144 | sylancl 417 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
5) ∈ ℝ) |
| 146 | | nndivre 9342 |
. . . . . . . . . 10
⊢
((((⌊‘𝑁)
− 5) ∈ ℝ ∧ 6 ∈ ℕ) → (((⌊‘𝑁) − 5) / 6) ∈
ℝ) |
| 147 | 145, 18, 146 | sylancl 417 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
5) / 6) ∈ ℝ) |
| 148 | | flqle 10725 |
. . . . . . . . . 10
⊢
((((⌊‘𝑁)
− 5) / 6) ∈ ℚ → (⌊‘(((⌊‘𝑁) − 5) / 6)) ≤
(((⌊‘𝑁) −
5) / 6)) |
| 149 | 108, 148 | syl 14 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 5) / 6)) ≤
(((⌊‘𝑁) −
5) / 6)) |
| 150 | 119 | a1i 9 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 5 ∈
ℝ) |
| 151 | 130, 118,
150, 133 | lesub1dd 8890 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘𝑁) −
5) ≤ (𝑁 −
5)) |
| 152 | | lediv1 9201 |
. . . . . . . . . . 11
⊢
((((⌊‘𝑁)
− 5) ∈ ℝ ∧ (𝑁 − 5) ∈ ℝ ∧ (6 ∈
ℝ ∧ 0 < 6)) → (((⌊‘𝑁) − 5) ≤ (𝑁 − 5) ↔ (((⌊‘𝑁) − 5) / 6) ≤ ((𝑁 − 5) /
6))) |
| 153 | 145, 121,
137, 139, 152 | syl112anc 1282 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
5) ≤ (𝑁 − 5)
↔ (((⌊‘𝑁)
− 5) / 6) ≤ ((𝑁
− 5) / 6))) |
| 154 | 151, 153 | mpbid 147 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((⌊‘𝑁) −
5) / 6) ≤ ((𝑁 − 5)
/ 6)) |
| 155 | 110, 147,
123, 149, 154 | letrd 8451 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 5) / 6)) ≤ ((𝑁 − 5) / 6)) |
| 156 | 110, 123,
131, 155 | leadd1dd 8888 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1) ≤ (((𝑁 − 5) / 6) +
1)) |
| 157 | 104, 112,
117, 125, 143, 156 | le2addd 8893 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 1) / 6)) +
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1)) ≤ (((𝑁 − 1) / 6) + (((𝑁 − 5) / 6) +
1))) |
| 158 | | elfzelz 10438 |
. . . . . . . . . . . . . 14
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ 𝑘 ∈
ℤ) |
| 159 | 18 | a1i 9 |
. . . . . . . . . . . . . 14
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ 6 ∈ ℕ) |
| 160 | 158, 159 | zmodcld 10795 |
. . . . . . . . . . . . 13
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ (𝑘 mod 6) ∈
ℕ0) |
| 161 | | elprg 3729 |
. . . . . . . . . . . . 13
⊢ ((𝑘 mod 6) ∈
ℕ0 → ((𝑘 mod 6) ∈ {1, 5} ↔ ((𝑘 mod 6) = 1 ∨ (𝑘 mod 6) = 5))) |
| 162 | 160, 161 | syl 14 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ ((𝑘 mod 6) ∈
{1, 5} ↔ ((𝑘 mod 6) =
1 ∨ (𝑘 mod 6) =
5))) |
| 163 | 162 | rabbiia 2807 |
. . . . . . . . . . 11
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} = {𝑘 ∈
(4...(⌊‘𝑁))
∣ ((𝑘 mod 6) = 1 ∨
(𝑘 mod 6) =
5)} |
| 164 | | unrab 3504 |
. . . . . . . . . . 11
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∪ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
{𝑘 ∈
(4...(⌊‘𝑁))
∣ ((𝑘 mod 6) = 1 ∨
(𝑘 mod 6) =
5)} |
| 165 | 163, 164 | eqtr4i 2262 |
. . . . . . . . . 10
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}} = ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∪ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5}) |
| 166 | 165 | fveq2i 5698 |
. . . . . . . . 9
⊢
(♯‘{𝑘
∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) ∈ {1, 5}}) =
(♯‘({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∪ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5})) |
| 167 | | ssrab2 3333 |
. . . . . . . . . . . 12
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
⊆ (4...(⌊‘𝑁)) |
| 168 | 167 | a1i 9 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
⊆ (4...(⌊‘𝑁))) |
| 169 | 15, 24 | dcand 945 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 ∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) = 1)) |
| 170 | 36 | eqeq1d 2247 |
. . . . . . . . . . . . . . 15
⊢ (𝑘 = 𝑥 → ((𝑘 mod 6) = 1 ↔ (𝑥 mod 6) = 1)) |
| 171 | 170 | elrab 2982 |
. . . . . . . . . . . . . 14
⊢ (𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1} ↔ (𝑥 ∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) = 1)) |
| 172 | 171 | dcbii 852 |
. . . . . . . . . . . . 13
⊢
(DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1} ↔ DECID
(𝑥 ∈
(4...(⌊‘𝑁))
∧ (𝑥 mod 6) =
1)) |
| 173 | 169, 172 | sylibr 134 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) |
| 174 | 173 | ralrimiva 2623 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ →
∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) |
| 175 | | ssfidc 7245 |
. . . . . . . . . . 11
⊢
(((4...(⌊‘𝑁)) ∈ Fin ∧ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1} ⊆
(4...(⌊‘𝑁))
∧ ∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) → {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1} ∈ Fin) |
| 176 | 10, 168, 174, 175 | syl3anc 1278 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∈ Fin) |
| 177 | | ssrab2 3333 |
. . . . . . . . . . . 12
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}
⊆ (4...(⌊‘𝑁)) |
| 178 | 177 | a1i 9 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}
⊆ (4...(⌊‘𝑁))) |
| 179 | 15, 28 | dcand 945 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID (𝑥 ∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) = 5)) |
| 180 | 36 | eqeq1d 2247 |
. . . . . . . . . . . . . . 15
⊢ (𝑘 = 𝑥 → ((𝑘 mod 6) = 5 ↔ (𝑥 mod 6) = 5)) |
| 181 | 180 | elrab 2982 |
. . . . . . . . . . . . . 14
⊢ (𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5} ↔ (𝑥 ∈ (4...(⌊‘𝑁)) ∧ (𝑥 mod 6) = 5)) |
| 182 | 181 | dcbii 852 |
. . . . . . . . . . . . 13
⊢
(DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5} ↔ DECID
(𝑥 ∈
(4...(⌊‘𝑁))
∧ (𝑥 mod 6) =
5)) |
| 183 | 179, 182 | sylibr 134 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 𝑥 ∈
(4...(⌊‘𝑁)))
→ DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5}) |
| 184 | 183 | ralrimiva 2623 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ ℚ →
∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5}) |
| 185 | | ssfidc 7245 |
. . . . . . . . . . 11
⊢
(((4...(⌊‘𝑁)) ∈ Fin ∧ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5} ⊆
(4...(⌊‘𝑁))
∧ ∀𝑥 ∈
(4...(⌊‘𝑁))DECID 𝑥 ∈ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5}) → {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5} ∈ Fin) |
| 186 | 10, 178, 184, 185 | syl3anc 1278 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ → {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}
∈ Fin) |
| 187 | | inrab 3505 |
. . . . . . . . . . . 12
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∩ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
{𝑘 ∈
(4...(⌊‘𝑁))
∣ ((𝑘 mod 6) = 1
∧ (𝑘 mod 6) =
5)} |
| 188 | | rabeq0 3552 |
. . . . . . . . . . . . 13
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ ((𝑘 mod 6) = 1
∧ (𝑘 mod 6) = 5)} =
∅ ↔ ∀𝑘
∈ (4...(⌊‘𝑁)) ¬ ((𝑘 mod 6) = 1 ∧ (𝑘 mod 6) = 5)) |
| 189 | | 1re 8325 |
. . . . . . . . . . . . . . . 16
⊢ 1 ∈
ℝ |
| 190 | | 1lt5 9487 |
. . . . . . . . . . . . . . . 16
⊢ 1 <
5 |
| 191 | 189, 190 | ltneii 8423 |
. . . . . . . . . . . . . . 15
⊢ 1 ≠
5 |
| 192 | | eqtr2 2257 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑘 mod 6) = 1 ∧ (𝑘 mod 6) = 5) → 1 =
5) |
| 193 | 192 | necon3ai 2469 |
. . . . . . . . . . . . . . 15
⊢ (1 ≠ 5
→ ¬ ((𝑘 mod 6) = 1
∧ (𝑘 mod 6) =
5)) |
| 194 | 191, 193 | ax-mp 5 |
. . . . . . . . . . . . . 14
⊢ ¬
((𝑘 mod 6) = 1 ∧ (𝑘 mod 6) = 5) |
| 195 | 194 | a1i 9 |
. . . . . . . . . . . . 13
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ ¬ ((𝑘 mod 6) = 1
∧ (𝑘 mod 6) =
5)) |
| 196 | 188, 195 | mprgbir 2608 |
. . . . . . . . . . . 12
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ ((𝑘 mod 6) = 1
∧ (𝑘 mod 6) = 5)} =
∅ |
| 197 | 187, 196 | eqtri 2259 |
. . . . . . . . . . 11
⊢ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∩ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
∅ |
| 198 | 197 | a1i 9 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ℚ → ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∩ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
∅) |
| 199 | | hashun 11259 |
. . . . . . . . . 10
⊢ (({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∈ Fin ∧ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}
∈ Fin ∧ ({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∩ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
∅) → (♯‘({𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1} ∪ {𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5})) = ((♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}) +
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5}))) |
| 200 | 176, 186,
198, 199 | syl3anc 1278 |
. . . . . . . . 9
⊢ (𝑁 ∈ ℚ →
(♯‘({𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}
∪ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5})) =
((♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}) +
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5}))) |
| 201 | 166, 200 | eqtrid 2283 |
. . . . . . . 8
⊢ (𝑁 ∈ ℚ →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) = ((♯‘{𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) + (♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5}))) |
| 202 | 201 | adantr 276 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) = ((♯‘{𝑘 ∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) + (♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) =
5}))) |
| 203 | | zq 10035 |
. . . . . . . . . . . . . . . . 17
⊢ (1 ∈
ℤ → 1 ∈ ℚ) |
| 204 | 22, 203 | ax-mp 5 |
. . . . . . . . . . . . . . . 16
⊢ 1 ∈
ℚ |
| 205 | | nnq 10042 |
. . . . . . . . . . . . . . . . 17
⊢ (6 ∈
ℕ → 6 ∈ ℚ) |
| 206 | 18, 205 | ax-mp 5 |
. . . . . . . . . . . . . . . 16
⊢ 6 ∈
ℚ |
| 207 | | 0le1 8810 |
. . . . . . . . . . . . . . . 16
⊢ 0 ≤
1 |
| 208 | | 1lt6 9492 |
. . . . . . . . . . . . . . . 16
⊢ 1 <
6 |
| 209 | | modqid 10799 |
. . . . . . . . . . . . . . . 16
⊢ (((1
∈ ℚ ∧ 6 ∈ ℚ) ∧ (0 ≤ 1 ∧ 1 < 6)) →
(1 mod 6) = 1) |
| 210 | 204, 206,
207, 208, 209 | mp4an 431 |
. . . . . . . . . . . . . . 15
⊢ (1 mod 6)
= 1 |
| 211 | 210 | eqeq2i 2249 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 mod 6) = (1 mod 6) ↔
(𝑘 mod 6) =
1) |
| 212 | | moddvds 12582 |
. . . . . . . . . . . . . . 15
⊢ ((6
∈ ℕ ∧ 𝑘
∈ ℤ ∧ 1 ∈ ℤ) → ((𝑘 mod 6) = (1 mod 6) ↔ 6 ∥ (𝑘 − 1))) |
| 213 | 18, 22, 212 | mp3an13 1369 |
. . . . . . . . . . . . . 14
⊢ (𝑘 ∈ ℤ → ((𝑘 mod 6) = (1 mod 6) ↔ 6
∥ (𝑘 −
1))) |
| 214 | 211, 213 | bitr3id 194 |
. . . . . . . . . . . . 13
⊢ (𝑘 ∈ ℤ → ((𝑘 mod 6) = 1 ↔ 6 ∥
(𝑘 −
1))) |
| 215 | 158, 214 | syl 14 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ ((𝑘 mod 6) = 1
↔ 6 ∥ (𝑘 −
1))) |
| 216 | 215 | rabbiia 2807 |
. . . . . . . . . . 11
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1} =
{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 1)} |
| 217 | 216 | fveq2i 5698 |
. . . . . . . . . 10
⊢
(♯‘{𝑘
∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 1}) = (♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 1)}) |
| 218 | 18 | a1i 9 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 6 ∈
ℕ) |
| 219 | 7 | a1i 9 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 4 ∈
ℤ) |
| 220 | | 4m1e3 9427 |
. . . . . . . . . . . . 13
⊢ (4
− 1) = 3 |
| 221 | 220 | fveq2i 5698 |
. . . . . . . . . . . 12
⊢
(ℤ≥‘(4 − 1)) =
(ℤ≥‘3) |
| 222 | 65, 221 | eleqtrrdi 2332 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘𝑁) ∈
(ℤ≥‘(4 − 1))) |
| 223 | | 1zzd 9675 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 1 ∈
ℤ) |
| 224 | 218, 219,
222, 223 | hashdvds 13019 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 1)}) = ((⌊‘(((⌊‘𝑁) − 1) / 6)) −
(⌊‘(((4 − 1) − 1) / 6)))) |
| 225 | 217, 224 | eqtrid 2283 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}) =
((⌊‘(((⌊‘𝑁) − 1) / 6)) −
(⌊‘(((4 − 1) − 1) / 6)))) |
| 226 | | 2cn 9377 |
. . . . . . . . . . . . . . 15
⊢ 2 ∈
ℂ |
| 227 | | ax-1cn 8272 |
. . . . . . . . . . . . . . 15
⊢ 1 ∈
ℂ |
| 228 | | df-3 9366 |
. . . . . . . . . . . . . . . 16
⊢ 3 = (2 +
1) |
| 229 | 220, 228 | eqtri 2259 |
. . . . . . . . . . . . . . 15
⊢ (4
− 1) = (2 + 1) |
| 230 | 226, 227,
229 | mvrraddi 8544 |
. . . . . . . . . . . . . 14
⊢ ((4
− 1) − 1) = 2 |
| 231 | 230 | oveq1i 6095 |
. . . . . . . . . . . . 13
⊢ (((4
− 1) − 1) / 6) = (2 / 6) |
| 232 | 231 | fveq2i 5698 |
. . . . . . . . . . . 12
⊢
(⌊‘(((4 − 1) − 1) / 6)) = (⌊‘(2 /
6)) |
| 233 | | 0re 8326 |
. . . . . . . . . . . . . 14
⊢ 0 ∈
ℝ |
| 234 | 136, 138 | gt0ap0ii 8958 |
. . . . . . . . . . . . . . 15
⊢ 6 #
0 |
| 235 | 4, 136, 234 | redivclapi 9111 |
. . . . . . . . . . . . . 14
⊢ (2 / 6)
∈ ℝ |
| 236 | | 2pos 9397 |
. . . . . . . . . . . . . . 15
⊢ 0 <
2 |
| 237 | 4, 136, 236, 138 | divgt0ii 9251 |
. . . . . . . . . . . . . 14
⊢ 0 < (2
/ 6) |
| 238 | 233, 235,
237 | ltleii 8429 |
. . . . . . . . . . . . 13
⊢ 0 ≤ (2
/ 6) |
| 239 | | 2lt6 9491 |
. . . . . . . . . . . . . . . 16
⊢ 2 <
6 |
| 240 | | 6cn 9388 |
. . . . . . . . . . . . . . . . 17
⊢ 6 ∈
ℂ |
| 241 | 240 | mulridi 8328 |
. . . . . . . . . . . . . . . 16
⊢ (6
· 1) = 6 |
| 242 | 239, 241 | breqtrri 4157 |
. . . . . . . . . . . . . . 15
⊢ 2 < (6
· 1) |
| 243 | 136, 138 | pm3.2i 272 |
. . . . . . . . . . . . . . . 16
⊢ (6 ∈
ℝ ∧ 0 < 6) |
| 244 | | ltdivmul 9208 |
. . . . . . . . . . . . . . . 16
⊢ ((2
∈ ℝ ∧ 1 ∈ ℝ ∧ (6 ∈ ℝ ∧ 0 < 6))
→ ((2 / 6) < 1 ↔ 2 < (6 · 1))) |
| 245 | 4, 189, 243, 244 | mp3an 1378 |
. . . . . . . . . . . . . . 15
⊢ ((2 / 6)
< 1 ↔ 2 < (6 · 1)) |
| 246 | 242, 245 | mpbir 146 |
. . . . . . . . . . . . . 14
⊢ (2 / 6)
< 1 |
| 247 | | 1e0p1 9827 |
. . . . . . . . . . . . . 14
⊢ 1 = (0 +
1) |
| 248 | 246, 247 | breqtri 4155 |
. . . . . . . . . . . . 13
⊢ (2 / 6)
< (0 + 1) |
| 249 | | 2z 9676 |
. . . . . . . . . . . . . . 15
⊢ 2 ∈
ℤ |
| 250 | | znq 10033 |
. . . . . . . . . . . . . . 15
⊢ ((2
∈ ℤ ∧ 6 ∈ ℕ) → (2 / 6) ∈
ℚ) |
| 251 | 249, 18, 250 | mp2an 430 |
. . . . . . . . . . . . . 14
⊢ (2 / 6)
∈ ℚ |
| 252 | | 0z 9659 |
. . . . . . . . . . . . . 14
⊢ 0 ∈
ℤ |
| 253 | | flqbi 10738 |
. . . . . . . . . . . . . 14
⊢ (((2 / 6)
∈ ℚ ∧ 0 ∈ ℤ) → ((⌊‘(2 / 6)) = 0
↔ (0 ≤ (2 / 6) ∧ (2 / 6) < (0 + 1)))) |
| 254 | 251, 252,
253 | mp2an 430 |
. . . . . . . . . . . . 13
⊢
((⌊‘(2 / 6)) = 0 ↔ (0 ≤ (2 / 6) ∧ (2 / 6) <
(0 + 1))) |
| 255 | 238, 248,
254 | mpbir2an 955 |
. . . . . . . . . . . 12
⊢
(⌊‘(2 / 6)) = 0 |
| 256 | 232, 255 | eqtri 2259 |
. . . . . . . . . . 11
⊢
(⌊‘(((4 − 1) − 1) / 6)) = 0 |
| 257 | 256 | oveq2i 6096 |
. . . . . . . . . 10
⊢
((⌊‘(((⌊‘𝑁) − 1) / 6)) −
(⌊‘(((4 − 1) − 1) / 6))) =
((⌊‘(((⌊‘𝑁) − 1) / 6)) −
0) |
| 258 | 103 | zcnd 9773 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 1) / 6)) ∈
ℂ) |
| 259 | 258 | subid1d 8627 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 1) / 6)) − 0) =
(⌊‘(((⌊‘𝑁) − 1) / 6))) |
| 260 | 257, 259 | eqtrid 2283 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 1) / 6)) −
(⌊‘(((4 − 1) − 1) / 6))) =
(⌊‘(((⌊‘𝑁) − 1) / 6))) |
| 261 | 225, 260 | eqtrd 2271 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}) =
(⌊‘(((⌊‘𝑁) − 1) / 6))) |
| 262 | | nnq 10042 |
. . . . . . . . . . . . . . . . 17
⊢ (5 ∈
ℕ → 5 ∈ ℚ) |
| 263 | 25, 262 | ax-mp 5 |
. . . . . . . . . . . . . . . 16
⊢ 5 ∈
ℚ |
| 264 | | 5pos 9406 |
. . . . . . . . . . . . . . . . 17
⊢ 0 <
5 |
| 265 | 233, 119,
264 | ltleii 8429 |
. . . . . . . . . . . . . . . 16
⊢ 0 ≤
5 |
| 266 | | 5lt6 9488 |
. . . . . . . . . . . . . . . 16
⊢ 5 <
6 |
| 267 | | modqid 10799 |
. . . . . . . . . . . . . . . 16
⊢ (((5
∈ ℚ ∧ 6 ∈ ℚ) ∧ (0 ≤ 5 ∧ 5 < 6)) →
(5 mod 6) = 5) |
| 268 | 263, 206,
265, 266, 267 | mp4an 431 |
. . . . . . . . . . . . . . 15
⊢ (5 mod 6)
= 5 |
| 269 | 268 | eqeq2i 2249 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 mod 6) = (5 mod 6) ↔
(𝑘 mod 6) =
5) |
| 270 | | moddvds 12582 |
. . . . . . . . . . . . . . 15
⊢ ((6
∈ ℕ ∧ 𝑘
∈ ℤ ∧ 5 ∈ ℤ) → ((𝑘 mod 6) = (5 mod 6) ↔ 6 ∥ (𝑘 − 5))) |
| 271 | 18, 26, 270 | mp3an13 1369 |
. . . . . . . . . . . . . 14
⊢ (𝑘 ∈ ℤ → ((𝑘 mod 6) = (5 mod 6) ↔ 6
∥ (𝑘 −
5))) |
| 272 | 269, 271 | bitr3id 194 |
. . . . . . . . . . . . 13
⊢ (𝑘 ∈ ℤ → ((𝑘 mod 6) = 5 ↔ 6 ∥
(𝑘 −
5))) |
| 273 | 158, 272 | syl 14 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈
(4...(⌊‘𝑁))
→ ((𝑘 mod 6) = 5
↔ 6 ∥ (𝑘 −
5))) |
| 274 | 273 | rabbiia 2807 |
. . . . . . . . . . 11
⊢ {𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5} =
{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 5)} |
| 275 | 274 | fveq2i 5698 |
. . . . . . . . . 10
⊢
(♯‘{𝑘
∈ (4...(⌊‘𝑁)) ∣ (𝑘 mod 6) = 5}) = (♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 5)}) |
| 276 | 218, 219,
222, 105 | hashdvds 13019 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ 6 ∥ (𝑘
− 5)}) = ((⌊‘(((⌊‘𝑁) − 5) / 6)) −
(⌊‘(((4 − 1) − 5) / 6)))) |
| 277 | 275, 276 | eqtrid 2283 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) −
(⌊‘(((4 − 1) − 5) / 6)))) |
| 278 | 220 | oveq1i 6095 |
. . . . . . . . . . . . . . . 16
⊢ ((4
− 1) − 5) = (3 − 5) |
| 279 | | 5cn 9386 |
. . . . . . . . . . . . . . . . 17
⊢ 5 ∈
ℂ |
| 280 | | 3cn 9381 |
. . . . . . . . . . . . . . . . 17
⊢ 3 ∈
ℂ |
| 281 | 279, 280 | negsubdi2i 8613 |
. . . . . . . . . . . . . . . 16
⊢ -(5
− 3) = (3 − 5) |
| 282 | | 3p2e5 9448 |
. . . . . . . . . . . . . . . . . . 19
⊢ (3 + 2) =
5 |
| 283 | 282 | oveq1i 6095 |
. . . . . . . . . . . . . . . . . 18
⊢ ((3 + 2)
− 3) = (5 − 3) |
| 284 | | pncan2 8534 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((3
∈ ℂ ∧ 2 ∈ ℂ) → ((3 + 2) − 3) =
2) |
| 285 | 280, 226,
284 | mp2an 430 |
. . . . . . . . . . . . . . . . . 18
⊢ ((3 + 2)
− 3) = 2 |
| 286 | 283, 285 | eqtr3i 2261 |
. . . . . . . . . . . . . . . . 17
⊢ (5
− 3) = 2 |
| 287 | 286 | negeqi 8521 |
. . . . . . . . . . . . . . . 16
⊢ -(5
− 3) = -2 |
| 288 | 278, 281,
287 | 3eqtr2i 2265 |
. . . . . . . . . . . . . . 15
⊢ ((4
− 1) − 5) = -2 |
| 289 | 288 | oveq1i 6095 |
. . . . . . . . . . . . . 14
⊢ (((4
− 1) − 5) / 6) = (-2 / 6) |
| 290 | | divnegap 9038 |
. . . . . . . . . . . . . . 15
⊢ ((2
∈ ℂ ∧ 6 ∈ ℂ ∧ 6 # 0) → -(2 / 6) = (-2 /
6)) |
| 291 | 226, 240,
234, 290 | mp3an 1378 |
. . . . . . . . . . . . . 14
⊢ -(2 / 6)
= (-2 / 6) |
| 292 | 289, 291 | eqtr4i 2262 |
. . . . . . . . . . . . 13
⊢ (((4
− 1) − 5) / 6) = -(2 / 6) |
| 293 | 292 | fveq2i 5698 |
. . . . . . . . . . . 12
⊢
(⌊‘(((4 − 1) − 5) / 6)) = (⌊‘-(2 /
6)) |
| 294 | 235, 189,
246 | ltleii 8429 |
. . . . . . . . . . . . . 14
⊢ (2 / 6)
≤ 1 |
| 295 | 235, 189 | lenegi 8823 |
. . . . . . . . . . . . . 14
⊢ ((2 / 6)
≤ 1 ↔ -1 ≤ -(2 / 6)) |
| 296 | 294, 295 | mpbi 145 |
. . . . . . . . . . . . 13
⊢ -1 ≤
-(2 / 6) |
| 297 | 233, 235 | ltnegi 8822 |
. . . . . . . . . . . . . . 15
⊢ (0 <
(2 / 6) ↔ -(2 / 6) < -0) |
| 298 | 237, 297 | mpbi 145 |
. . . . . . . . . . . . . 14
⊢ -(2 / 6)
< -0 |
| 299 | | neg0 8573 |
. . . . . . . . . . . . . . . 16
⊢ -0 =
0 |
| 300 | | 1pneg1e0 9417 |
. . . . . . . . . . . . . . . 16
⊢ (1 + -1)
= 0 |
| 301 | 299, 300 | eqtr4i 2262 |
. . . . . . . . . . . . . . 15
⊢ -0 = (1 +
-1) |
| 302 | | neg1cn 9411 |
. . . . . . . . . . . . . . . 16
⊢ -1 ∈
ℂ |
| 303 | 302, 227 | addcomi 8471 |
. . . . . . . . . . . . . . 15
⊢ (-1 + 1)
= (1 + -1) |
| 304 | 301, 303 | eqtr4i 2262 |
. . . . . . . . . . . . . 14
⊢ -0 = (-1
+ 1) |
| 305 | 298, 304 | breqtri 4155 |
. . . . . . . . . . . . 13
⊢ -(2 / 6)
< (-1 + 1) |
| 306 | | qnegcl 10045 |
. . . . . . . . . . . . . . 15
⊢ ((2 / 6)
∈ ℚ → -(2 / 6) ∈ ℚ) |
| 307 | 251, 306 | ax-mp 5 |
. . . . . . . . . . . . . 14
⊢ -(2 / 6)
∈ ℚ |
| 308 | | neg1z 9680 |
. . . . . . . . . . . . . 14
⊢ -1 ∈
ℤ |
| 309 | | flqbi 10738 |
. . . . . . . . . . . . . 14
⊢ ((-(2 /
6) ∈ ℚ ∧ -1 ∈ ℤ) → ((⌊‘-(2 / 6)) =
-1 ↔ (-1 ≤ -(2 / 6) ∧ -(2 / 6) < (-1 + 1)))) |
| 310 | 307, 308,
309 | mp2an 430 |
. . . . . . . . . . . . 13
⊢
((⌊‘-(2 / 6)) = -1 ↔ (-1 ≤ -(2 / 6) ∧ -(2 / 6)
< (-1 + 1))) |
| 311 | 296, 305,
310 | mpbir2an 955 |
. . . . . . . . . . . 12
⊢
(⌊‘-(2 / 6)) = -1 |
| 312 | 293, 311 | eqtri 2259 |
. . . . . . . . . . 11
⊢
(⌊‘(((4 − 1) − 5) / 6)) = -1 |
| 313 | 312 | oveq2i 6096 |
. . . . . . . . . 10
⊢
((⌊‘(((⌊‘𝑁) − 5) / 6)) −
(⌊‘(((4 − 1) − 5) / 6))) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) −
-1) |
| 314 | 109 | zcnd 9773 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(⌊‘(((⌊‘𝑁) − 5) / 6)) ∈
ℂ) |
| 315 | | subneg 8576 |
. . . . . . . . . . 11
⊢
(((⌊‘(((⌊‘𝑁) − 5) / 6)) ∈ ℂ ∧ 1
∈ ℂ) → ((⌊‘(((⌊‘𝑁) − 5) / 6)) − -1) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1)) |
| 316 | 314, 227,
315 | sylancl 417 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 5) / 6)) − -1) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1)) |
| 317 | 313, 316 | eqtrid 2283 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((⌊‘(((⌊‘𝑁) − 5) / 6)) −
(⌊‘(((4 − 1) − 5) / 6))) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1)) |
| 318 | 277, 317 | eqtrd 2271 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5}) =
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1)) |
| 319 | 261, 318 | oveq12d 6103 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 1}) +
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) = 5})) =
((⌊‘(((⌊‘𝑁) − 1) / 6)) +
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1))) |
| 320 | 202, 319 | eqtrd 2271 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) = ((⌊‘(((⌊‘𝑁) − 1) / 6)) +
((⌊‘(((⌊‘𝑁) − 5) / 6)) + 1))) |
| 321 | 118 | recnd 8354 |
. . . . . . . . . . . . 13
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 𝑁 ∈ ℂ) |
| 322 | 321 | 2timesd 9552 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (2 · 𝑁) = (𝑁 + 𝑁)) |
| 323 | | df-6 9369 |
. . . . . . . . . . . . . 14
⊢ 6 = (5 +
1) |
| 324 | 279, 227 | addcomi 8471 |
. . . . . . . . . . . . . 14
⊢ (5 + 1) =
(1 + 5) |
| 325 | 323, 324 | eqtri 2259 |
. . . . . . . . . . . . 13
⊢ 6 = (1 +
5) |
| 326 | 325 | a1i 9 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 6 = (1 +
5)) |
| 327 | 322, 326 | oveq12d 6103 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((2 ·
𝑁) − 6) = ((𝑁 + 𝑁) − (1 + 5))) |
| 328 | | addsub4 8570 |
. . . . . . . . . . . . 13
⊢ (((𝑁 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (1 ∈
ℂ ∧ 5 ∈ ℂ)) → ((𝑁 + 𝑁) − (1 + 5)) = ((𝑁 − 1) + (𝑁 − 5))) |
| 329 | 227, 279,
328 | mpanr12 443 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℂ ∧ 𝑁 ∈ ℂ) → ((𝑁 + 𝑁) − (1 + 5)) = ((𝑁 − 1) + (𝑁 − 5))) |
| 330 | 321, 321,
329 | syl2anc 415 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 + 𝑁) − (1 + 5)) = ((𝑁 − 1) + (𝑁 − 5))) |
| 331 | 327, 330 | eqtrd 2271 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((2 ·
𝑁) − 6) = ((𝑁 − 1) + (𝑁 − 5))) |
| 332 | 331 | oveq1d 6100 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((2 ·
𝑁) − 6) / 6) =
(((𝑁 − 1) + (𝑁 − 5)) /
6)) |
| 333 | | mulcl 8306 |
. . . . . . . . . . . 12
⊢ ((2
∈ ℂ ∧ 𝑁
∈ ℂ) → (2 · 𝑁) ∈ ℂ) |
| 334 | 226, 321,
333 | sylancr 418 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (2 · 𝑁) ∈
ℂ) |
| 335 | 240, 234 | pm3.2i 272 |
. . . . . . . . . . . 12
⊢ (6 ∈
ℂ ∧ 6 # 0) |
| 336 | | divsubdirap 9040 |
. . . . . . . . . . . 12
⊢ (((2
· 𝑁) ∈ ℂ
∧ 6 ∈ ℂ ∧ (6 ∈ ℂ ∧ 6 # 0)) → (((2
· 𝑁) − 6) / 6)
= (((2 · 𝑁) / 6)
− (6 / 6))) |
| 337 | 240, 335,
336 | mp3an23 1370 |
. . . . . . . . . . 11
⊢ ((2
· 𝑁) ∈ ℂ
→ (((2 · 𝑁)
− 6) / 6) = (((2 · 𝑁) / 6) − (6 / 6))) |
| 338 | 334, 337 | syl 14 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((2 ·
𝑁) − 6) / 6) = (((2
· 𝑁) / 6) − (6
/ 6))) |
| 339 | | 2t3e6 9464 |
. . . . . . . . . . . . 13
⊢ (2
· 3) = 6 |
| 340 | 339 | oveq2i 6096 |
. . . . . . . . . . . 12
⊢ ((2
· 𝑁) / (2 ·
3)) = ((2 · 𝑁) /
6) |
| 341 | | 3ap0 9402 |
. . . . . . . . . . . . . . 15
⊢ 3 #
0 |
| 342 | 280, 341 | pm3.2i 272 |
. . . . . . . . . . . . . 14
⊢ (3 ∈
ℂ ∧ 3 # 0) |
| 343 | | 2ap0 9399 |
. . . . . . . . . . . . . . 15
⊢ 2 #
0 |
| 344 | 226, 343 | pm3.2i 272 |
. . . . . . . . . . . . . 14
⊢ (2 ∈
ℂ ∧ 2 # 0) |
| 345 | | divcanap5 9046 |
. . . . . . . . . . . . . 14
⊢ ((𝑁 ∈ ℂ ∧ (3 ∈
ℂ ∧ 3 # 0) ∧ (2 ∈ ℂ ∧ 2 # 0)) → ((2 ·
𝑁) / (2 · 3)) =
(𝑁 / 3)) |
| 346 | 342, 344,
345 | mp3an23 1370 |
. . . . . . . . . . . . 13
⊢ (𝑁 ∈ ℂ → ((2
· 𝑁) / (2 ·
3)) = (𝑁 /
3)) |
| 347 | 321, 346 | syl 14 |
. . . . . . . . . . . 12
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((2 ·
𝑁) / (2 · 3)) =
(𝑁 / 3)) |
| 348 | 340, 347 | eqtr3id 2285 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((2 ·
𝑁) / 6) = (𝑁 / 3)) |
| 349 | 240, 234 | dividapi 9077 |
. . . . . . . . . . . 12
⊢ (6 / 6) =
1 |
| 350 | 349 | a1i 9 |
. . . . . . . . . . 11
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (6 / 6) =
1) |
| 351 | 348, 350 | oveq12d 6103 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((2 ·
𝑁) / 6) − (6 / 6)) =
((𝑁 / 3) −
1)) |
| 352 | 338, 351 | eqtrd 2271 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((2 ·
𝑁) − 6) / 6) =
((𝑁 / 3) −
1)) |
| 353 | 115 | recnd 8354 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 − 1) ∈
ℂ) |
| 354 | 121 | recnd 8354 |
. . . . . . . . . 10
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 − 5) ∈
ℂ) |
| 355 | | divdirap 9029 |
. . . . . . . . . . 11
⊢ (((𝑁 − 1) ∈ ℂ ∧
(𝑁 − 5) ∈
ℂ ∧ (6 ∈ ℂ ∧ 6 # 0)) → (((𝑁 − 1) + (𝑁 − 5)) / 6) = (((𝑁 − 1) / 6) + ((𝑁 − 5) / 6))) |
| 356 | 335, 355 | mp3an3 1367 |
. . . . . . . . . 10
⊢ (((𝑁 − 1) ∈ ℂ ∧
(𝑁 − 5) ∈
ℂ) → (((𝑁
− 1) + (𝑁 − 5))
/ 6) = (((𝑁 − 1) / 6)
+ ((𝑁 − 5) /
6))) |
| 357 | 353, 354,
356 | syl2anc 415 |
. . . . . . . . 9
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((𝑁 − 1) + (𝑁 − 5)) / 6) = (((𝑁 − 1) / 6) + ((𝑁 − 5) / 6))) |
| 358 | 332, 352,
357 | 3eqtr3d 2279 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 / 3) − 1) = (((𝑁 − 1) / 6) + ((𝑁 − 5) /
6))) |
| 359 | 358 | oveq1d 6100 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((𝑁 / 3) − 1) + 1) =
((((𝑁 − 1) / 6) +
((𝑁 − 5) / 6)) +
1)) |
| 360 | 52 | recnd 8354 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 / 3) ∈
ℂ) |
| 361 | | npcan 8536 |
. . . . . . . 8
⊢ (((𝑁 / 3) ∈ ℂ ∧ 1
∈ ℂ) → (((𝑁
/ 3) − 1) + 1) = (𝑁 /
3)) |
| 362 | 360, 227,
361 | sylancl 417 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (((𝑁 / 3) − 1) + 1) = (𝑁 / 3)) |
| 363 | 117 | recnd 8354 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 − 1) / 6) ∈
ℂ) |
| 364 | 123 | recnd 8354 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((𝑁 − 5) / 6) ∈
ℂ) |
| 365 | 227 | a1i 9 |
. . . . . . . 8
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 1 ∈
ℂ) |
| 366 | 363, 364,
365 | addassd 8348 |
. . . . . . 7
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → ((((𝑁 − 1) / 6) + ((𝑁 − 5) / 6)) + 1) =
(((𝑁 − 1) / 6) +
(((𝑁 − 5) / 6) +
1))) |
| 367 | 359, 362,
366 | 3eqtr3d 2279 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → (𝑁 / 3) = (((𝑁 − 1) / 6) + (((𝑁 − 5) / 6) + 1))) |
| 368 | 157, 320,
367 | 3brtr4d 4162 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(♯‘{𝑘 ∈
(4...(⌊‘𝑁))
∣ (𝑘 mod 6) ∈
{1, 5}}) ≤ (𝑁 /
3)) |
| 369 | 6, 47, 52, 98, 368 | letrd 8451 |
. . . 4
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
((π‘𝑁)
− 2) ≤ (𝑁 /
3)) |
| 370 | 4 | a1i 9 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) → 2 ∈
ℝ) |
| 371 | 3, 370, 52 | lesubaddd 8871 |
. . . 4
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(((π‘𝑁)
− 2) ≤ (𝑁 / 3)
↔ (π‘𝑁) ≤ ((𝑁 / 3) + 2))) |
| 372 | 369, 371 | mpbid 147 |
. . 3
⊢ ((𝑁 ∈ ℚ ∧ 3 ≤
𝑁) →
(π‘𝑁) ≤
((𝑁 / 3) +
2)) |
| 373 | 372 | adantlr 481 |
. 2
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 3 ≤ 𝑁) →
(π‘𝑁) ≤
((𝑁 / 3) +
2)) |
| 374 | 2 | ad2antrr 492 |
. . 3
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (π‘𝑁) ∈
ℝ) |
| 375 | 4 | a1i 9 |
. . 3
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → 2 ∈
ℝ) |
| 376 | 51 | ad2antrr 492 |
. . . 4
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (𝑁 / 3) ∈ ℝ) |
| 377 | | readdcl 8305 |
. . . 4
⊢ (((𝑁 / 3) ∈ ℝ ∧ 2
∈ ℝ) → ((𝑁
/ 3) + 2) ∈ ℝ) |
| 378 | 376, 4, 377 | sylancl 417 |
. . 3
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → ((𝑁 / 3) + 2) ∈ ℝ) |
| 379 | | zq 10035 |
. . . . . . 7
⊢ (3 ∈
ℤ → 3 ∈ ℚ) |
| 380 | 58, 379 | ax-mp 5 |
. . . . . 6
⊢ 3 ∈
ℚ |
| 381 | | ppiqwordi 16174 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 3 ∈
ℚ ∧ 𝑁 ≤ 3)
→ (π‘𝑁) ≤
(π‘3)) |
| 382 | 380, 381 | mp3an2 1366 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 𝑁 ≤ 3) →
(π‘𝑁) ≤
(π‘3)) |
| 383 | 382 | adantlr 481 |
. . . 4
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (π‘𝑁) ≤
(π‘3)) |
| 384 | 383, 55 | breqtrdi 4171 |
. . 3
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (π‘𝑁) ≤ 2) |
| 385 | 48 | adantr 276 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 𝑁 ∈ ℝ) |
| 386 | | simpr 110 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 0 ≤ 𝑁) |
| 387 | | 3re 9380 |
. . . . . . 7
⊢ 3 ∈
ℝ |
| 388 | 387 | a1i 9 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 3 ∈
ℝ) |
| 389 | | 3pos 9400 |
. . . . . . 7
⊢ 0 <
3 |
| 390 | 389 | a1i 9 |
. . . . . 6
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 0 <
3) |
| 391 | | divge0 9205 |
. . . . . 6
⊢ (((𝑁 ∈ ℝ ∧ 0 ≤
𝑁) ∧ (3 ∈ ℝ
∧ 0 < 3)) → 0 ≤ (𝑁 / 3)) |
| 392 | 385, 386,
388, 390, 391 | syl22anc 1279 |
. . . . 5
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 0 ≤ (𝑁 / 3)) |
| 393 | 392 | adantr 276 |
. . . 4
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → 0 ≤ (𝑁 / 3)) |
| 394 | | addge02 8802 |
. . . . 5
⊢ ((2
∈ ℝ ∧ (𝑁 /
3) ∈ ℝ) → (0 ≤ (𝑁 / 3) ↔ 2 ≤ ((𝑁 / 3) + 2))) |
| 395 | 4, 376, 394 | sylancr 418 |
. . . 4
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (0 ≤ (𝑁 / 3) ↔ 2 ≤ ((𝑁 / 3) + 2))) |
| 396 | 393, 395 | mpbid 147 |
. . 3
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → 2 ≤ ((𝑁 / 3) + 2)) |
| 397 | 374, 375,
378, 384, 396 | letrd 8451 |
. 2
⊢ (((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) ∧ 𝑁 ≤ 3) → (π‘𝑁) ≤ ((𝑁 / 3) + 2)) |
| 398 | | simpl 109 |
. . 3
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → 𝑁 ∈ ℚ) |
| 399 | | qletric 10686 |
. . 3
⊢ ((3
∈ ℚ ∧ 𝑁
∈ ℚ) → (3 ≤ 𝑁 ∨ 𝑁 ≤ 3)) |
| 400 | 380, 398,
399 | sylancr 418 |
. 2
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) → (3 ≤ 𝑁 ∨ 𝑁 ≤ 3)) |
| 401 | 373, 397,
400 | mpjaodan 810 |
1
⊢ ((𝑁 ∈ ℚ ∧ 0 ≤
𝑁) →
(π‘𝑁) ≤
((𝑁 / 3) +
2)) |