| Step | Hyp | Ref
| Expression |
| 1 | | fveq2 6881 |
. . . . . 6
⊢ (𝑛 = 𝑀 →
((𝓑C𝑛‘𝑆)‘𝑛) =
((𝓑C𝑛‘𝑆)‘𝑀)) |
| 2 | 1 | sseq1d 3995 |
. . . . 5
⊢ (𝑛 = 𝑀 →
(((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) ↔
((𝓑C𝑛‘𝑆)‘𝑀) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 3 | 2 | imbi2d 340 |
. . . 4
⊢ (𝑛 = 𝑀 → (((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) ↔ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑀) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 4 | | fveq2 6881 |
. . . . . 6
⊢ (𝑛 = 𝑚 →
((𝓑C𝑛‘𝑆)‘𝑛) =
((𝓑C𝑛‘𝑆)‘𝑚)) |
| 5 | 4 | sseq1d 3995 |
. . . . 5
⊢ (𝑛 = 𝑚 →
(((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) ↔
((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 6 | 5 | imbi2d 340 |
. . . 4
⊢ (𝑛 = 𝑚 → (((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) ↔ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 7 | | fveq2 6881 |
. . . . . 6
⊢ (𝑛 = (𝑚 + 1) →
((𝓑C𝑛‘𝑆)‘𝑛) =
((𝓑C𝑛‘𝑆)‘(𝑚 + 1))) |
| 8 | 7 | sseq1d 3995 |
. . . . 5
⊢ (𝑛 = (𝑚 + 1) →
(((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) ↔
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 9 | 8 | imbi2d 340 |
. . . 4
⊢ (𝑛 = (𝑚 + 1) → (((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) ↔ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 10 | | fveq2 6881 |
. . . . . 6
⊢ (𝑛 = 𝑁 →
((𝓑C𝑛‘𝑆)‘𝑛) =
((𝓑C𝑛‘𝑆)‘𝑁)) |
| 11 | 10 | sseq1d 3995 |
. . . . 5
⊢ (𝑛 = 𝑁 →
(((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) ↔
((𝓑C𝑛‘𝑆)‘𝑁) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 12 | 11 | imbi2d 340 |
. . . 4
⊢ (𝑛 = 𝑁 → (((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑛) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) ↔ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑁) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 13 | | ssid 3986 |
. . . . 5
⊢
((𝓑C𝑛‘𝑆)‘𝑀) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) |
| 14 | 13 | 2a1i 12 |
. . . 4
⊢ (𝑀 ∈ ℤ → ((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) → ((𝓑C𝑛‘𝑆)‘𝑀) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 15 | | simprl 770 |
. . . . . . . . . . 11
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → 𝑓 ∈ (ℂ ↑pm 𝑆)) |
| 16 | | recnprss 25862 |
. . . . . . . . . . . . . 14
⊢ (𝑆 ∈ {ℝ, ℂ}
→ 𝑆 ⊆
ℂ) |
| 17 | 16 | ad2antrr 726 |
. . . . . . . . . . . . 13
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → 𝑆 ⊆ ℂ) |
| 18 | 17 | adantr 480 |
. . . . . . . . . . . 12
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → 𝑆 ⊆ ℂ) |
| 19 | | simplll 774 |
. . . . . . . . . . . . . 14
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → 𝑆 ∈ {ℝ, ℂ}) |
| 20 | | eluznn0 12938 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑀 ∈ ℕ0
∧ 𝑚 ∈
(ℤ≥‘𝑀)) → 𝑚 ∈ ℕ0) |
| 21 | 20 | adantll 714 |
. . . . . . . . . . . . . . 15
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → 𝑚 ∈ ℕ0) |
| 22 | 21 | adantr 480 |
. . . . . . . . . . . . . 14
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → 𝑚 ∈ ℕ0) |
| 23 | | dvnf 25886 |
. . . . . . . . . . . . . 14
⊢ ((𝑆 ∈ {ℝ, ℂ} ∧
𝑓 ∈ (ℂ
↑pm 𝑆)
∧ 𝑚 ∈
ℕ0) → ((𝑆 D𝑛 𝑓)‘𝑚):dom ((𝑆 D𝑛 𝑓)‘𝑚)⟶ℂ) |
| 24 | 19, 15, 22, 23 | syl3anc 1373 |
. . . . . . . . . . . . 13
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → ((𝑆 D𝑛 𝑓)‘𝑚):dom ((𝑆 D𝑛 𝑓)‘𝑚)⟶ℂ) |
| 25 | | dvnbss 25887 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑆 ∈ {ℝ, ℂ} ∧
𝑓 ∈ (ℂ
↑pm 𝑆)
∧ 𝑚 ∈
ℕ0) → dom ((𝑆 D𝑛 𝑓)‘𝑚) ⊆ dom 𝑓) |
| 26 | 19, 15, 22, 25 | syl3anc 1373 |
. . . . . . . . . . . . . . 15
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom ((𝑆 D𝑛 𝑓)‘𝑚) ⊆ dom 𝑓) |
| 27 | | dvnp1 25884 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑆 ⊆ ℂ ∧ 𝑓 ∈ (ℂ
↑pm 𝑆)
∧ 𝑚 ∈
ℕ0) → ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) = (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚))) |
| 28 | 18, 15, 22, 27 | syl3anc 1373 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) = (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚))) |
| 29 | | simprr 772 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ)) |
| 30 | 28, 29 | eqeltrrd 2836 |
. . . . . . . . . . . . . . . . . 18
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)) ∈ (dom 𝑓–cn→ℂ)) |
| 31 | | cncff 24842 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)) ∈ (dom 𝑓–cn→ℂ) → (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)):dom 𝑓⟶ℂ) |
| 32 | 30, 31 | syl 17 |
. . . . . . . . . . . . . . . . 17
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)):dom 𝑓⟶ℂ) |
| 33 | 32 | fdmd 6721 |
. . . . . . . . . . . . . . . 16
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)) = dom 𝑓) |
| 34 | | cnex 11215 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ℂ
∈ V |
| 35 | | elpm2g 8863 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((ℂ
∈ V ∧ 𝑆 ∈
{ℝ, ℂ}) → (𝑓 ∈ (ℂ ↑pm 𝑆) ↔ (𝑓:dom 𝑓⟶ℂ ∧ dom 𝑓 ⊆ 𝑆))) |
| 36 | 34, 19, 35 | sylancr 587 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (𝑓 ∈ (ℂ ↑pm 𝑆) ↔ (𝑓:dom 𝑓⟶ℂ ∧ dom 𝑓 ⊆ 𝑆))) |
| 37 | 15, 36 | mpbid 232 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (𝑓:dom 𝑓⟶ℂ ∧ dom 𝑓 ⊆ 𝑆)) |
| 38 | 37 | simprd 495 |
. . . . . . . . . . . . . . . . . 18
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom 𝑓 ⊆ 𝑆) |
| 39 | 26, 38 | sstrd 3974 |
. . . . . . . . . . . . . . . . 17
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom ((𝑆 D𝑛 𝑓)‘𝑚) ⊆ 𝑆) |
| 40 | 18, 24, 39 | dvbss 25859 |
. . . . . . . . . . . . . . . 16
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)) ⊆ dom ((𝑆 D𝑛 𝑓)‘𝑚)) |
| 41 | 33, 40 | eqsstrrd 3999 |
. . . . . . . . . . . . . . 15
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom 𝑓 ⊆ dom ((𝑆 D𝑛 𝑓)‘𝑚)) |
| 42 | 26, 41 | eqssd 3981 |
. . . . . . . . . . . . . 14
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → dom ((𝑆 D𝑛 𝑓)‘𝑚) = dom 𝑓) |
| 43 | 42 | feq2d 6697 |
. . . . . . . . . . . . 13
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (((𝑆 D𝑛 𝑓)‘𝑚):dom ((𝑆 D𝑛 𝑓)‘𝑚)⟶ℂ ↔ ((𝑆 D𝑛 𝑓)‘𝑚):dom 𝑓⟶ℂ)) |
| 44 | 24, 43 | mpbid 232 |
. . . . . . . . . . . 12
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → ((𝑆 D𝑛 𝑓)‘𝑚):dom 𝑓⟶ℂ) |
| 45 | | dvcn 25880 |
. . . . . . . . . . . 12
⊢ (((𝑆 ⊆ ℂ ∧ ((𝑆 D𝑛 𝑓)‘𝑚):dom 𝑓⟶ℂ ∧ dom 𝑓 ⊆ 𝑆) ∧ dom (𝑆 D ((𝑆 D𝑛 𝑓)‘𝑚)) = dom 𝑓) → ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ)) |
| 46 | 18, 44, 38, 33, 45 | syl31anc 1375 |
. . . . . . . . . . 11
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ)) |
| 47 | 15, 46 | jca 511 |
. . . . . . . . . 10
⊢ ((((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) ∧ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ))) → (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ))) |
| 48 | 47 | ex 412 |
. . . . . . . . 9
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → ((𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ)) → (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ)))) |
| 49 | | peano2nn0 12546 |
. . . . . . . . . . 11
⊢ (𝑚 ∈ ℕ0
→ (𝑚 + 1) ∈
ℕ0) |
| 50 | 21, 49 | syl 17 |
. . . . . . . . . 10
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → (𝑚 + 1) ∈
ℕ0) |
| 51 | | elcpn 25893 |
. . . . . . . . . 10
⊢ ((𝑆 ⊆ ℂ ∧ (𝑚 + 1) ∈
ℕ0) → (𝑓 ∈
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ↔ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ)))) |
| 52 | 17, 50, 51 | syl2anc 584 |
. . . . . . . . 9
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → (𝑓 ∈
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ↔ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘(𝑚 + 1)) ∈ (dom 𝑓–cn→ℂ)))) |
| 53 | | elcpn 25893 |
. . . . . . . . . 10
⊢ ((𝑆 ⊆ ℂ ∧ 𝑚 ∈ ℕ0)
→ (𝑓 ∈
((𝓑C𝑛‘𝑆)‘𝑚) ↔ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ)))) |
| 54 | 17, 21, 53 | syl2anc 584 |
. . . . . . . . 9
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → (𝑓 ∈
((𝓑C𝑛‘𝑆)‘𝑚) ↔ (𝑓 ∈ (ℂ ↑pm 𝑆) ∧ ((𝑆 D𝑛 𝑓)‘𝑚) ∈ (dom 𝑓–cn→ℂ)))) |
| 55 | 48, 52, 54 | 3imtr4d 294 |
. . . . . . . 8
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) → (𝑓 ∈
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) → 𝑓 ∈
((𝓑C𝑛‘𝑆)‘𝑚))) |
| 56 | 55 | ssrdv 3969 |
. . . . . . 7
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) →
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑚)) |
| 57 | | sstr2 3970 |
. . . . . . 7
⊢
(((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑚) →
(((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) →
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 58 | 56, 57 | syl 17 |
. . . . . 6
⊢ (((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) ∧ 𝑚 ∈ (ℤ≥‘𝑀)) →
(((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) →
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 59 | 58 | expcom 413 |
. . . . 5
⊢ (𝑚 ∈
(ℤ≥‘𝑀) → ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ (((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀) →
((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 60 | 59 | a2d 29 |
. . . 4
⊢ (𝑚 ∈
(ℤ≥‘𝑀) → (((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑚) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) → ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘(𝑚 + 1)) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)))) |
| 61 | 3, 6, 9, 12, 14, 60 | uzind4 12927 |
. . 3
⊢ (𝑁 ∈
(ℤ≥‘𝑀) → ((𝑆 ∈ {ℝ, ℂ} ∧ 𝑀 ∈ ℕ0)
→ ((𝓑C𝑛‘𝑆)‘𝑁) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 62 | 61 | com12 32 |
. 2
⊢ ((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0) → (𝑁 ∈ (ℤ≥‘𝑀) →
((𝓑C𝑛‘𝑆)‘𝑁) ⊆
((𝓑C𝑛‘𝑆)‘𝑀))) |
| 63 | 62 | 3impia 1117 |
1
⊢ ((𝑆 ∈ {ℝ, ℂ} ∧
𝑀 ∈
ℕ0 ∧ 𝑁
∈ (ℤ≥‘𝑀)) →
((𝓑C𝑛‘𝑆)‘𝑁) ⊆
((𝓑C𝑛‘𝑆)‘𝑀)) |