Step | Hyp | Ref
| Expression |
1 | | df-dv 23631 |
. . . 4
⊢ D =
(𝑠 ∈ 𝒫
ℂ, 𝑓 ∈ (ℂ
↑pm 𝑠) ↦ ∪
𝑥 ∈
((int‘((TopOpen‘ℂfld) ↾t 𝑠))‘dom 𝑓)({𝑥} × ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥))) |
2 | 1 | a1i 11 |
. . 3
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → D = (𝑠 ∈ 𝒫 ℂ, 𝑓 ∈ (ℂ ↑pm
𝑠) ↦ ∪ 𝑥 ∈
((int‘((TopOpen‘ℂfld) ↾t 𝑠))‘dom 𝑓)({𝑥} × ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)))) |
3 | | dvval.k |
. . . . . . . 8
⊢ 𝐾 =
(TopOpen‘ℂfld) |
4 | 3 | oveq1i 6660 |
. . . . . . 7
⊢ (𝐾 ↾t 𝑠) =
((TopOpen‘ℂfld) ↾t 𝑠) |
5 | | simprl 794 |
. . . . . . . . 9
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → 𝑠 = 𝑆) |
6 | 5 | oveq2d 6666 |
. . . . . . . 8
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (𝐾 ↾t 𝑠) = (𝐾 ↾t 𝑆)) |
7 | | dvval.t |
. . . . . . . 8
⊢ 𝑇 = (𝐾 ↾t 𝑆) |
8 | 6, 7 | syl6eqr 2674 |
. . . . . . 7
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (𝐾 ↾t 𝑠) = 𝑇) |
9 | 4, 8 | syl5eqr 2670 |
. . . . . 6
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) →
((TopOpen‘ℂfld) ↾t 𝑠) = 𝑇) |
10 | 9 | fveq2d 6195 |
. . . . 5
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) →
(int‘((TopOpen‘ℂfld) ↾t 𝑠)) = (int‘𝑇)) |
11 | | simprr 796 |
. . . . . . 7
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → 𝑓 = 𝐹) |
12 | 11 | dmeqd 5326 |
. . . . . 6
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → dom 𝑓 = dom 𝐹) |
13 | | simpl2 1065 |
. . . . . . 7
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → 𝐹:𝐴⟶ℂ) |
14 | | fdm 6051 |
. . . . . . 7
⊢ (𝐹:𝐴⟶ℂ → dom 𝐹 = 𝐴) |
15 | 13, 14 | syl 17 |
. . . . . 6
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → dom 𝐹 = 𝐴) |
16 | 12, 15 | eqtrd 2656 |
. . . . 5
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → dom 𝑓 = 𝐴) |
17 | 10, 16 | fveq12d 6197 |
. . . 4
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) →
((int‘((TopOpen‘ℂfld) ↾t 𝑠))‘dom 𝑓) = ((int‘𝑇)‘𝐴)) |
18 | 16 | difeq1d 3727 |
. . . . . . 7
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (dom 𝑓 ∖ {𝑥}) = (𝐴 ∖ {𝑥})) |
19 | 11 | fveq1d 6193 |
. . . . . . . . 9
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (𝑓‘𝑧) = (𝐹‘𝑧)) |
20 | 11 | fveq1d 6193 |
. . . . . . . . 9
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (𝑓‘𝑥) = (𝐹‘𝑥)) |
21 | 19, 20 | oveq12d 6668 |
. . . . . . . 8
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → ((𝑓‘𝑧) − (𝑓‘𝑥)) = ((𝐹‘𝑧) − (𝐹‘𝑥))) |
22 | 21 | oveq1d 6665 |
. . . . . . 7
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥)) = (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) |
23 | 18, 22 | mpteq12dv 4733 |
. . . . . 6
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → (𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) = (𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥)))) |
24 | 23 | oveq1d 6665 |
. . . . 5
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥) = ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) |
25 | 24 | xpeq2d 5139 |
. . . 4
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → ({𝑥} × ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) = ({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥))) |
26 | 17, 25 | iuneq12d 4546 |
. . 3
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ (𝑠 = 𝑆 ∧ 𝑓 = 𝐹)) → ∪ 𝑥 ∈
((int‘((TopOpen‘ℂfld) ↾t 𝑠))‘dom 𝑓)({𝑥} × ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) = ∪
𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥))) |
27 | | simpr 477 |
. . . 4
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝑠 = 𝑆) → 𝑠 = 𝑆) |
28 | 27 | oveq2d 6666 |
. . 3
⊢ (((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) ∧ 𝑠 = 𝑆) → (ℂ ↑pm
𝑠) = (ℂ
↑pm 𝑆)) |
29 | | simp1 1061 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝑆 ⊆ ℂ) |
30 | | cnex 10017 |
. . . . 5
⊢ ℂ
∈ V |
31 | 30 | elpw2 4828 |
. . . 4
⊢ (𝑆 ∈ 𝒫 ℂ ↔
𝑆 ⊆
ℂ) |
32 | 29, 31 | sylibr 224 |
. . 3
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝑆 ∈ 𝒫 ℂ) |
33 | 30 | a1i 11 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → ℂ ∈ V) |
34 | | simp2 1062 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝐹:𝐴⟶ℂ) |
35 | | simp3 1063 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝐴 ⊆ 𝑆) |
36 | | elpm2r 7875 |
. . . 4
⊢
(((ℂ ∈ V ∧ 𝑆 ∈ 𝒫 ℂ) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆)) → 𝐹 ∈ (ℂ ↑pm
𝑆)) |
37 | 33, 32, 34, 35, 36 | syl22anc 1327 |
. . 3
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → 𝐹 ∈ (ℂ ↑pm
𝑆)) |
38 | | limccl 23639 |
. . . . . . . . 9
⊢ ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥) ⊆ ℂ |
39 | | xpss2 5229 |
. . . . . . . . 9
⊢ (((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥) ⊆ ℂ → ({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ({𝑥} × ℂ)) |
40 | 38, 39 | ax-mp 5 |
. . . . . . . 8
⊢ ({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ({𝑥} × ℂ) |
41 | 40 | rgenw 2924 |
. . . . . . 7
⊢
∀𝑥 ∈
((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ({𝑥} × ℂ) |
42 | | ss2iun 4536 |
. . . . . . 7
⊢
(∀𝑥 ∈
((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ({𝑥} × ℂ) → ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ℂ)) |
43 | 41, 42 | ax-mp 5 |
. . . . . 6
⊢ ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ℂ) |
44 | | iunxpconst 5175 |
. . . . . 6
⊢ ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ℂ) = (((int‘𝑇)‘𝐴) × ℂ) |
45 | 43, 44 | sseqtri 3637 |
. . . . 5
⊢ ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ (((int‘𝑇)‘𝐴) × ℂ) |
46 | 45 | a1i 11 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → ∪
𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ (((int‘𝑇)‘𝐴) × ℂ)) |
47 | | fvex 6201 |
. . . . . 6
⊢
((int‘𝑇)‘𝐴) ∈ V |
48 | 47, 30 | xpex 6962 |
. . . . 5
⊢
(((int‘𝑇)‘𝐴) × ℂ) ∈ V |
49 | 48 | ssex 4802 |
. . . 4
⊢ (∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ⊆ (((int‘𝑇)‘𝐴) × ℂ) → ∪ 𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ∈ V) |
50 | 46, 49 | syl 17 |
. . 3
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → ∪
𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ∈ V) |
51 | 2, 26, 28, 32, 37, 50 | ovmpt2dx 6787 |
. 2
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → (𝑆 D 𝐹) = ∪
𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥))) |
52 | 51, 46 | eqsstrd 3639 |
. 2
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → (𝑆 D 𝐹) ⊆ (((int‘𝑇)‘𝐴) × ℂ)) |
53 | 51, 52 | jca 554 |
1
⊢ ((𝑆 ⊆ ℂ ∧ 𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆) → ((𝑆 D 𝐹) = ∪
𝑥 ∈ ((int‘𝑇)‘𝐴)({𝑥} × ((𝑧 ∈ (𝐴 ∖ {𝑥}) ↦ (((𝐹‘𝑧) − (𝐹‘𝑥)) / (𝑧 − 𝑥))) limℂ 𝑥)) ∧ (𝑆 D 𝐹) ⊆ (((int‘𝑇)‘𝐴) × ℂ))) |