| Step | Hyp | Ref
| Expression |
| 1 | | elmapi 8815 |
. . . . . . . . . 10
⊢ (𝑜 ∈ (ℕ0
↑m 𝐽)
→ 𝑜:𝐽⟶ℕ0) |
| 2 | 1 | adantr 483 |
. . . . . . . . 9
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → 𝑜:𝐽⟶ℕ0) |
| 3 | | c0ex 11159 |
. . . . . . . . . . 11
⊢ 0 ∈
V |
| 4 | 3 | fconst 6735 |
. . . . . . . . . 10
⊢ ((ℕ
∖ 𝐽) ×
{0}):(ℕ ∖ 𝐽)⟶{0} |
| 5 | 4 | a1i 11 |
. . . . . . . . 9
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ((ℕ ∖ 𝐽) × {0}):(ℕ ∖ 𝐽)⟶{0}) |
| 6 | | disjdif 4416 |
. . . . . . . . . 10
⊢ (𝐽 ∩ (ℕ ∖ 𝐽)) = ∅ |
| 7 | 6 | a1i 11 |
. . . . . . . . 9
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (𝐽 ∩ (ℕ ∖ 𝐽)) = ∅) |
| 8 | | fun 6711 |
. . . . . . . . 9
⊢ (((𝑜:𝐽⟶ℕ0 ∧ ((ℕ
∖ 𝐽) ×
{0}):(ℕ ∖ 𝐽)⟶{0}) ∧ (𝐽 ∩ (ℕ ∖ 𝐽)) = ∅) → (𝑜 ∪ ((ℕ ∖ 𝐽) × {0})):(𝐽 ∪ (ℕ ∖ 𝐽))⟶(ℕ0 ∪
{0})) |
| 9 | 2, 5, 7, 8 | syl21anc 846 |
. . . . . . . 8
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (𝑜 ∪ ((ℕ ∖ 𝐽) × {0})):(𝐽 ∪ (ℕ ∖ 𝐽))⟶(ℕ0 ∪
{0})) |
| 10 | | eulerpart.j |
. . . . . . . . . . 11
⊢ 𝐽 = {𝑧 ∈ ℕ ∣ ¬ 2 ∥ 𝑧} |
| 11 | | ssrab2 4024 |
. . . . . . . . . . 11
⊢ {𝑧 ∈ ℕ ∣ ¬ 2
∥ 𝑧} ⊆
ℕ |
| 12 | 10, 11 | eqsstri 3973 |
. . . . . . . . . 10
⊢ 𝐽 ⊆
ℕ |
| 13 | | undif 4426 |
. . . . . . . . . 10
⊢ (𝐽 ⊆ ℕ ↔ (𝐽 ∪ (ℕ ∖ 𝐽)) = ℕ) |
| 14 | 12, 13 | mpbi 232 |
. . . . . . . . 9
⊢ (𝐽 ∪ (ℕ ∖ 𝐽)) = ℕ |
| 15 | | 0nn0 12482 |
. . . . . . . . . . 11
⊢ 0 ∈
ℕ0 |
| 16 | | snssi 4734 |
. . . . . . . . . . 11
⊢ (0 ∈
ℕ0 → {0} ⊆ ℕ0) |
| 17 | 15, 16 | ax-mp 5 |
. . . . . . . . . 10
⊢ {0}
⊆ ℕ0 |
| 18 | | ssequn2 4132 |
. . . . . . . . . 10
⊢ ({0}
⊆ ℕ0 ↔ (ℕ0 ∪ {0}) =
ℕ0) |
| 19 | 17, 18 | mpbi 232 |
. . . . . . . . 9
⊢
(ℕ0 ∪ {0}) = ℕ0 |
| 20 | 14, 19 | feq23i 6670 |
. . . . . . . 8
⊢ ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})):(𝐽 ∪ (ℕ ∖ 𝐽))⟶(ℕ0
∪ {0}) ↔ (𝑜 ∪
((ℕ ∖ 𝐽)
× {0})):ℕ⟶ℕ0) |
| 21 | 9, 20 | sylib 220 |
. . . . . . 7
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (𝑜 ∪ ((ℕ ∖ 𝐽) ×
{0})):ℕ⟶ℕ0) |
| 22 | | nn0ex 12473 |
. . . . . . . 8
⊢
ℕ0 ∈ V |
| 23 | | nnex 12202 |
. . . . . . . 8
⊢ ℕ
∈ V |
| 24 | 22, 23 | elmap 8838 |
. . . . . . 7
⊢ ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈
(ℕ0 ↑m ℕ) ↔ (𝑜 ∪ ((ℕ ∖ 𝐽) ×
{0})):ℕ⟶ℕ0) |
| 25 | 21, 24 | sylibr 236 |
. . . . . 6
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈ (ℕ0
↑m ℕ)) |
| 26 | | cnvun 6112 |
. . . . . . . . 9
⊢ ◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) = (◡𝑜 ∪ ◡((ℕ ∖ 𝐽) × {0})) |
| 27 | 26 | imaeq1i 6032 |
. . . . . . . 8
⊢ (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) = ((◡𝑜 ∪ ◡((ℕ ∖ 𝐽) × {0})) “
ℕ) |
| 28 | | imaundir 6121 |
. . . . . . . 8
⊢ ((◡𝑜 ∪ ◡((ℕ ∖ 𝐽) × {0})) “ ℕ) = ((◡𝑜 “ ℕ) ∪ (◡((ℕ ∖ 𝐽) × {0}) “
ℕ)) |
| 29 | 27, 28 | eqtri 2775 |
. . . . . . 7
⊢ (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) = ((◡𝑜 “ ℕ) ∪ (◡((ℕ ∖ 𝐽) × {0}) “
ℕ)) |
| 30 | | vex 3448 |
. . . . . . . . . 10
⊢ 𝑜 ∈ V |
| 31 | | cnveq 5834 |
. . . . . . . . . . . 12
⊢ (𝑓 = 𝑜 → ◡𝑓 = ◡𝑜) |
| 32 | 31 | imaeq1d 6034 |
. . . . . . . . . . 11
⊢ (𝑓 = 𝑜 → (◡𝑓 “ ℕ) = (◡𝑜 “ ℕ)) |
| 33 | 32 | eleq1d 2837 |
. . . . . . . . . 10
⊢ (𝑓 = 𝑜 → ((◡𝑓 “ ℕ) ∈ Fin ↔ (◡𝑜 “ ℕ) ∈
Fin)) |
| 34 | | eulerpart.r |
. . . . . . . . . 10
⊢ 𝑅 = {𝑓 ∣ (◡𝑓 “ ℕ) ∈
Fin} |
| 35 | 30, 33, 34 | elab2 3632 |
. . . . . . . . 9
⊢ (𝑜 ∈ 𝑅 ↔ (◡𝑜 “ ℕ) ∈
Fin) |
| 36 | 35 | bilani 507 |
. . . . . . . 8
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (◡𝑜 “ ℕ) ∈
Fin) |
| 37 | | cnvxp 6128 |
. . . . . . . . . . . . . 14
⊢ ◡((ℕ ∖ 𝐽) × {0}) = ({0} × (ℕ
∖ 𝐽)) |
| 38 | 37 | dmeqi 5869 |
. . . . . . . . . . . . 13
⊢ dom ◡((ℕ ∖ 𝐽) × {0}) = dom ({0} × (ℕ
∖ 𝐽)) |
| 39 | | 2nn 12277 |
. . . . . . . . . . . . . . 15
⊢ 2 ∈
ℕ |
| 40 | | 2z 12589 |
. . . . . . . . . . . . . . . . 17
⊢ 2 ∈
ℤ |
| 41 | | iddvds 16275 |
. . . . . . . . . . . . . . . . 17
⊢ (2 ∈
ℤ → 2 ∥ 2) |
| 42 | 40, 41 | ax-mp 5 |
. . . . . . . . . . . . . . . 16
⊢ 2 ∥
2 |
| 43 | | breq2 5094 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑧 = 2 → (2 ∥ 𝑧 ↔ 2 ∥
2)) |
| 44 | 43 | notbid 320 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑧 = 2 → (¬ 2 ∥
𝑧 ↔ ¬ 2 ∥
2)) |
| 45 | 44, 10 | elrab2 3644 |
. . . . . . . . . . . . . . . . 17
⊢ (2 ∈
𝐽 ↔ (2 ∈ ℕ
∧ ¬ 2 ∥ 2)) |
| 46 | 45 | simprbi 500 |
. . . . . . . . . . . . . . . 16
⊢ (2 ∈
𝐽 → ¬ 2 ∥
2) |
| 47 | 42, 46 | mt2 202 |
. . . . . . . . . . . . . . 15
⊢ ¬ 2
∈ 𝐽 |
| 48 | | eldif 3905 |
. . . . . . . . . . . . . . 15
⊢ (2 ∈
(ℕ ∖ 𝐽) ↔
(2 ∈ ℕ ∧ ¬ 2 ∈ 𝐽)) |
| 49 | 39, 47, 48 | mpbir2an 719 |
. . . . . . . . . . . . . 14
⊢ 2 ∈
(ℕ ∖ 𝐽) |
| 50 | | ne0i 4284 |
. . . . . . . . . . . . . 14
⊢ (2 ∈
(ℕ ∖ 𝐽) →
(ℕ ∖ 𝐽) ≠
∅) |
| 51 | | dmxp 5894 |
. . . . . . . . . . . . . 14
⊢ ((ℕ
∖ 𝐽) ≠ ∅
→ dom ({0} × (ℕ ∖ 𝐽)) = {0}) |
| 52 | 49, 50, 51 | mp2b 10 |
. . . . . . . . . . . . 13
⊢ dom ({0}
× (ℕ ∖ 𝐽)) = {0} |
| 53 | 38, 52 | eqtri 2775 |
. . . . . . . . . . . 12
⊢ dom ◡((ℕ ∖ 𝐽) × {0}) = {0} |
| 54 | 53 | ineq1i 4159 |
. . . . . . . . . . 11
⊢ (dom
◡((ℕ ∖ 𝐽) × {0}) ∩ ℕ) = ({0} ∩
ℕ) |
| 55 | | incom 4152 |
. . . . . . . . . . 11
⊢ (ℕ
∩ {0}) = ({0} ∩ ℕ) |
| 56 | | 0nnn 12235 |
. . . . . . . . . . . 12
⊢ ¬ 0
∈ ℕ |
| 57 | | disjsn 4660 |
. . . . . . . . . . . 12
⊢ ((ℕ
∩ {0}) = ∅ ↔ ¬ 0 ∈ ℕ) |
| 58 | 56, 57 | mpbir 233 |
. . . . . . . . . . 11
⊢ (ℕ
∩ {0}) = ∅ |
| 59 | 54, 55, 58 | 3eqtr2i 2781 |
. . . . . . . . . 10
⊢ (dom
◡((ℕ ∖ 𝐽) × {0}) ∩ ℕ) =
∅ |
| 60 | | imadisj 6055 |
. . . . . . . . . 10
⊢ ((◡((ℕ ∖ 𝐽) × {0}) “ ℕ) = ∅
↔ (dom ◡((ℕ ∖ 𝐽) × {0}) ∩ ℕ) =
∅) |
| 61 | 59, 60 | mpbir 233 |
. . . . . . . . 9
⊢ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ) =
∅ |
| 62 | | 0fi 9008 |
. . . . . . . . 9
⊢ ∅
∈ Fin |
| 63 | 61, 62 | eqeltri 2848 |
. . . . . . . 8
⊢ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ) ∈
Fin |
| 64 | | unfi 9124 |
. . . . . . . 8
⊢ (((◡𝑜 “ ℕ) ∈ Fin ∧ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ) ∈ Fin)
→ ((◡𝑜 “ ℕ) ∪ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ)) ∈
Fin) |
| 65 | 36, 63, 64 | sylancl 594 |
. . . . . . 7
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ((◡𝑜 “ ℕ) ∪ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ)) ∈
Fin) |
| 66 | 29, 65 | eqeltrid 2856 |
. . . . . 6
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) ∈
Fin) |
| 67 | | cnvimass 6057 |
. . . . . . . . 9
⊢ (◡𝑜 “ ℕ) ⊆ dom 𝑜 |
| 68 | 67, 2 | fssdm 6696 |
. . . . . . . 8
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (◡𝑜 “ ℕ) ⊆ 𝐽) |
| 69 | | 0ss 4344 |
. . . . . . . . . 10
⊢ ∅
⊆ 𝐽 |
| 70 | 61, 69 | eqsstri 3973 |
. . . . . . . . 9
⊢ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ) ⊆
𝐽 |
| 71 | 70 | a1i 11 |
. . . . . . . 8
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (◡((ℕ ∖ 𝐽) × {0}) “ ℕ) ⊆
𝐽) |
| 72 | 68, 71 | unssd 4135 |
. . . . . . 7
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ((◡𝑜 “ ℕ) ∪ (◡((ℕ ∖ 𝐽) × {0}) “ ℕ)) ⊆
𝐽) |
| 73 | 29, 72 | eqsstrid 3965 |
. . . . . 6
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) ⊆
𝐽) |
| 74 | | eulerpart.p |
. . . . . . 7
⊢ 𝑃 = {𝑓 ∈ (ℕ0
↑m ℕ) ∣ ((◡𝑓 “ ℕ) ∈ Fin ∧
Σ𝑘 ∈ ℕ
((𝑓‘𝑘) · 𝑘) = 𝑁)} |
| 75 | | eulerpart.o |
. . . . . . 7
⊢ 𝑂 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ (◡𝑔 “ ℕ) ¬ 2 ∥ 𝑛} |
| 76 | | eulerpart.d |
. . . . . . 7
⊢ 𝐷 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ ℕ (𝑔‘𝑛) ≤ 1} |
| 77 | | eulerpart.f |
. . . . . . 7
⊢ 𝐹 = (𝑥 ∈ 𝐽, 𝑦 ∈ ℕ0 ↦
((2↑𝑦) · 𝑥)) |
| 78 | | eulerpart.h |
. . . . . . 7
⊢ 𝐻 = {𝑟 ∈ ((𝒫 ℕ0 ∩
Fin) ↑m 𝐽)
∣ (𝑟 supp ∅)
∈ Fin} |
| 79 | | eulerpart.m |
. . . . . . 7
⊢ 𝑀 = (𝑟 ∈ 𝐻 ↦ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐽 ∧ 𝑦 ∈ (𝑟‘𝑥))}) |
| 80 | | eulerpart.t |
. . . . . . 7
⊢ 𝑇 = {𝑓 ∈ (ℕ0
↑m ℕ) ∣ (◡𝑓 “ ℕ) ⊆ 𝐽} |
| 81 | 74, 75, 76, 10, 77, 78, 79, 34, 80 | eulerpartlemt0 34610 |
. . . . . 6
⊢ ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈ (𝑇 ∩ 𝑅) ↔ ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈ (ℕ0
↑m ℕ) ∧ (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) ∈ Fin
∧ (◡(𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) “ ℕ) ⊆
𝐽)) |
| 82 | 25, 66, 73, 81 | syl3anbrc 1353 |
. . . . 5
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → (𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈ (𝑇 ∩ 𝑅)) |
| 83 | | resundir 5969 |
. . . . . 6
⊢ ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ↾ 𝐽) = ((𝑜 ↾ 𝐽) ∪ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽)) |
| 84 | | ffn 6676 |
. . . . . . . 8
⊢ (𝑜:𝐽⟶ℕ0 → 𝑜 Fn 𝐽) |
| 85 | | fnresdm 6625 |
. . . . . . . . 9
⊢ (𝑜 Fn 𝐽 → (𝑜 ↾ 𝐽) = 𝑜) |
| 86 | | disjdifr 4417 |
. . . . . . . . . . 11
⊢ ((ℕ
∖ 𝐽) ∩ 𝐽) = ∅ |
| 87 | | fnconstg 6737 |
. . . . . . . . . . . 12
⊢ (0 ∈
ℕ0 → ((ℕ ∖ 𝐽) × {0}) Fn (ℕ ∖ 𝐽)) |
| 88 | | fnresdisj 6626 |
. . . . . . . . . . . 12
⊢
(((ℕ ∖ 𝐽) × {0}) Fn (ℕ ∖ 𝐽) → (((ℕ ∖
𝐽) ∩ 𝐽) = ∅ ↔ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽) = ∅)) |
| 89 | 15, 87, 88 | mp2b 10 |
. . . . . . . . . . 11
⊢
(((ℕ ∖ 𝐽) ∩ 𝐽) = ∅ ↔ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽) = ∅) |
| 90 | 86, 89 | mpbi 232 |
. . . . . . . . . 10
⊢
(((ℕ ∖ 𝐽) × {0}) ↾ 𝐽) = ∅ |
| 91 | 90 | a1i 11 |
. . . . . . . . 9
⊢ (𝑜 Fn 𝐽 → (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽) = ∅) |
| 92 | 85, 91 | uneq12d 4113 |
. . . . . . . 8
⊢ (𝑜 Fn 𝐽 → ((𝑜 ↾ 𝐽) ∪ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽)) = (𝑜 ∪ ∅)) |
| 93 | 2, 84, 92 | 3syl 18 |
. . . . . . 7
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ((𝑜 ↾ 𝐽) ∪ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽)) = (𝑜 ∪ ∅)) |
| 94 | | un0 4338 |
. . . . . . 7
⊢ (𝑜 ∪ ∅) = 𝑜 |
| 95 | 93, 94 | eqtrdi 2803 |
. . . . . 6
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ((𝑜 ↾ 𝐽) ∪ (((ℕ ∖ 𝐽) × {0}) ↾ 𝐽)) = 𝑜) |
| 96 | 83, 95 | eqtr2id 2800 |
. . . . 5
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → 𝑜 = ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ↾ 𝐽)) |
| 97 | | reseq1 5948 |
. . . . . 6
⊢ (𝑚 = (𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) → (𝑚 ↾ 𝐽) = ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ↾ 𝐽)) |
| 98 | 97 | rspceeqv 3595 |
. . . . 5
⊢ (((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = ((𝑜 ∪ ((ℕ ∖ 𝐽) × {0})) ↾ 𝐽)) → ∃𝑚 ∈ (𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽)) |
| 99 | 82, 96, 98 | syl2anc 592 |
. . . 4
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) → ∃𝑚 ∈ (𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽)) |
| 100 | | simpr 487 |
. . . . . . 7
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → 𝑜 = (𝑚 ↾ 𝐽)) |
| 101 | 74, 75, 76, 10, 77, 78, 79, 34, 80 | eulerpartlemt0 34610 |
. . . . . . . . . . . 12
⊢ (𝑚 ∈ (𝑇 ∩ 𝑅) ↔ (𝑚 ∈ (ℕ0
↑m ℕ) ∧ (◡𝑚 “ ℕ) ∈ Fin ∧ (◡𝑚 “ ℕ) ⊆ 𝐽)) |
| 102 | 101 | birani 506 |
. . . . . . . . . . 11
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (𝑚 ∈ (ℕ0
↑m ℕ) ∧ (◡𝑚 “ ℕ) ∈ Fin ∧ (◡𝑚 “ ℕ) ⊆ 𝐽)) |
| 103 | 102 | simp1d 1151 |
. . . . . . . . . 10
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → 𝑚 ∈ (ℕ0
↑m ℕ)) |
| 104 | 22, 23 | elmap 8838 |
. . . . . . . . . 10
⊢ (𝑚 ∈ (ℕ0
↑m ℕ) ↔ 𝑚:ℕ⟶ℕ0) |
| 105 | 103, 104 | sylib 220 |
. . . . . . . . 9
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → 𝑚:ℕ⟶ℕ0) |
| 106 | | fssres 6715 |
. . . . . . . . 9
⊢ ((𝑚:ℕ⟶ℕ0 ∧
𝐽 ⊆ ℕ) →
(𝑚 ↾ 𝐽):𝐽⟶ℕ0) |
| 107 | 105, 12, 106 | sylancl 594 |
. . . . . . . 8
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (𝑚 ↾ 𝐽):𝐽⟶ℕ0) |
| 108 | 10, 23 | rabex2 5287 |
. . . . . . . . 9
⊢ 𝐽 ∈ V |
| 109 | 22, 108 | elmap 8838 |
. . . . . . . 8
⊢ ((𝑚 ↾ 𝐽) ∈ (ℕ0
↑m 𝐽)
↔ (𝑚 ↾ 𝐽):𝐽⟶ℕ0) |
| 110 | 107, 109 | sylibr 236 |
. . . . . . 7
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (𝑚 ↾ 𝐽) ∈ (ℕ0
↑m 𝐽)) |
| 111 | 100, 110 | eqeltrd 2852 |
. . . . . 6
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → 𝑜 ∈ (ℕ0
↑m 𝐽)) |
| 112 | | ffun 6679 |
. . . . . . . . . 10
⊢ (𝑚:ℕ⟶ℕ0 →
Fun 𝑚) |
| 113 | | respreima 7032 |
. . . . . . . . . 10
⊢ (Fun
𝑚 → (◡(𝑚 ↾ 𝐽) “ ℕ) = ((◡𝑚 “ ℕ) ∩ 𝐽)) |
| 114 | 105, 112,
113 | 3syl 18 |
. . . . . . . . 9
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (◡(𝑚 ↾ 𝐽) “ ℕ) = ((◡𝑚 “ ℕ) ∩ 𝐽)) |
| 115 | 102 | simp2d 1152 |
. . . . . . . . . 10
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (◡𝑚 “ ℕ) ∈
Fin) |
| 116 | | infi 9199 |
. . . . . . . . . 10
⊢ ((◡𝑚 “ ℕ) ∈ Fin → ((◡𝑚 “ ℕ) ∩ 𝐽) ∈ Fin) |
| 117 | 115, 116 | syl 17 |
. . . . . . . . 9
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → ((◡𝑚 “ ℕ) ∩ 𝐽) ∈ Fin) |
| 118 | 114, 117 | eqeltrd 2852 |
. . . . . . . 8
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (◡(𝑚 ↾ 𝐽) “ ℕ) ∈
Fin) |
| 119 | | vex 3448 |
. . . . . . . . . 10
⊢ 𝑚 ∈ V |
| 120 | 119 | resex 6004 |
. . . . . . . . 9
⊢ (𝑚 ↾ 𝐽) ∈ V |
| 121 | | cnveq 5834 |
. . . . . . . . . . 11
⊢ (𝑓 = (𝑚 ↾ 𝐽) → ◡𝑓 = ◡(𝑚 ↾ 𝐽)) |
| 122 | 121 | imaeq1d 6034 |
. . . . . . . . . 10
⊢ (𝑓 = (𝑚 ↾ 𝐽) → (◡𝑓 “ ℕ) = (◡(𝑚 ↾ 𝐽) “ ℕ)) |
| 123 | 122 | eleq1d 2837 |
. . . . . . . . 9
⊢ (𝑓 = (𝑚 ↾ 𝐽) → ((◡𝑓 “ ℕ) ∈ Fin ↔ (◡(𝑚 ↾ 𝐽) “ ℕ) ∈
Fin)) |
| 124 | 120, 123,
34 | elab2 3632 |
. . . . . . . 8
⊢ ((𝑚 ↾ 𝐽) ∈ 𝑅 ↔ (◡(𝑚 ↾ 𝐽) “ ℕ) ∈
Fin) |
| 125 | 118, 124 | sylibr 236 |
. . . . . . 7
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (𝑚 ↾ 𝐽) ∈ 𝑅) |
| 126 | 100, 125 | eqeltrd 2852 |
. . . . . 6
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → 𝑜 ∈ 𝑅) |
| 127 | 111, 126 | jca 518 |
. . . . 5
⊢ ((𝑚 ∈ (𝑇 ∩ 𝑅) ∧ 𝑜 = (𝑚 ↾ 𝐽)) → (𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅)) |
| 128 | 127 | rexlimiva 3145 |
. . . 4
⊢
(∃𝑚 ∈
(𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽) → (𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅)) |
| 129 | 99, 128 | impbii 211 |
. . 3
⊢ ((𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅) ↔ ∃𝑚 ∈ (𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽)) |
| 130 | 129 | abbii 2819 |
. 2
⊢ {𝑜 ∣ (𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅)} = {𝑜 ∣ ∃𝑚 ∈ (𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽)} |
| 131 | | df-in 3902 |
. 2
⊢
((ℕ0 ↑m 𝐽) ∩ 𝑅) = {𝑜 ∣ (𝑜 ∈ (ℕ0
↑m 𝐽) ∧
𝑜 ∈ 𝑅)} |
| 132 | | eqid 2752 |
. . 3
⊢ (𝑚 ∈ (𝑇 ∩ 𝑅) ↦ (𝑚 ↾ 𝐽)) = (𝑚 ∈ (𝑇 ∩ 𝑅) ↦ (𝑚 ↾ 𝐽)) |
| 133 | 132 | rnmpt 5922 |
. 2
⊢ ran
(𝑚 ∈ (𝑇 ∩ 𝑅) ↦ (𝑚 ↾ 𝐽)) = {𝑜 ∣ ∃𝑚 ∈ (𝑇 ∩ 𝑅)𝑜 = (𝑚 ↾ 𝐽)} |
| 134 | 130, 131,
133 | 3eqtr4i 2785 |
1
⊢
((ℕ0 ↑m 𝐽) ∩ 𝑅) = ran (𝑚 ∈ (𝑇 ∩ 𝑅) ↦ (𝑚 ↾ 𝐽)) |