Step | Hyp | Ref
| Expression |
1 | | eldmg 5807 |
. . . 4
⊢ (𝐹 ∈ dom
⇝𝑟 → (𝐹 ∈ dom ⇝𝑟
↔ ∃𝑥 𝐹 ⇝𝑟
𝑥)) |
2 | 1 | ibi 266 |
. . 3
⊢ (𝐹 ∈ dom
⇝𝑟 → ∃𝑥 𝐹 ⇝𝑟 𝑥) |
3 | | simpr 485 |
. . . . . 6
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝐹 ⇝𝑟 𝑥) |
4 | | rlimrel 15202 |
. . . . . . . . . . . 12
⊢ Rel
⇝𝑟 |
5 | 4 | brrelex1i 5643 |
. . . . . . . . . . 11
⊢ (𝐹 ⇝𝑟
𝑥 → 𝐹 ∈ V) |
6 | 5 | adantl 482 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝐹 ∈ V) |
7 | | vex 3436 |
. . . . . . . . . . 11
⊢ 𝑥 ∈ V |
8 | 7 | a1i 11 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝑥 ∈ V) |
9 | | breldmg 5818 |
. . . . . . . . . 10
⊢ ((𝐹 ∈ V ∧ 𝑥 ∈ V ∧ 𝐹 ⇝𝑟
𝑥) → 𝐹 ∈ dom ⇝𝑟
) |
10 | 6, 8, 3, 9 | syl3anc 1370 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝐹 ∈ dom ⇝𝑟
) |
11 | | breq2 5078 |
. . . . . . . . . . . . 13
⊢ (𝑦 = 𝑥 → (𝐹 ⇝𝑟 𝑦 ↔ 𝐹 ⇝𝑟 𝑥)) |
12 | 11 | biimprd 247 |
. . . . . . . . . . . 12
⊢ (𝑦 = 𝑥 → (𝐹 ⇝𝑟 𝑥 → 𝐹 ⇝𝑟 𝑦)) |
13 | 12 | spimevw 1998 |
. . . . . . . . . . 11
⊢ (𝐹 ⇝𝑟
𝑥 → ∃𝑦 𝐹 ⇝𝑟 𝑦) |
14 | 13 | adantl 482 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → ∃𝑦 𝐹 ⇝𝑟 𝑦) |
15 | | rlimdmafv.1 |
. . . . . . . . . . . . . . 15
⊢ (𝜑 → 𝐹:𝐴⟶ℂ) |
16 | 15 | adantr 481 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝐹:𝐴⟶ℂ) |
17 | 16 | adantr 481 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ (𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧)) → 𝐹:𝐴⟶ℂ) |
18 | | rlimdmafv.2 |
. . . . . . . . . . . . . . 15
⊢ (𝜑 → sup(𝐴, ℝ*, < ) =
+∞) |
19 | 18 | adantr 481 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → sup(𝐴, ℝ*, < ) =
+∞) |
20 | 19 | adantr 481 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ (𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧)) → sup(𝐴, ℝ*, < ) =
+∞) |
21 | | simprl 768 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ (𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧)) → 𝐹 ⇝𝑟 𝑦) |
22 | | simprr 770 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ (𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧)) → 𝐹 ⇝𝑟 𝑧) |
23 | 17, 20, 21, 22 | rlimuni 15259 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ (𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧)) → 𝑦 = 𝑧) |
24 | 23 | ex 413 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → ((𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧) → 𝑦 = 𝑧)) |
25 | 24 | alrimivv 1931 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → ∀𝑦∀𝑧((𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧) → 𝑦 = 𝑧)) |
26 | | breq2 5078 |
. . . . . . . . . . 11
⊢ (𝑦 = 𝑧 → (𝐹 ⇝𝑟 𝑦 ↔ 𝐹 ⇝𝑟 𝑧)) |
27 | 26 | eu4 2617 |
. . . . . . . . . 10
⊢
(∃!𝑦 𝐹 ⇝𝑟
𝑦 ↔ (∃𝑦 𝐹 ⇝𝑟 𝑦 ∧ ∀𝑦∀𝑧((𝐹 ⇝𝑟 𝑦 ∧ 𝐹 ⇝𝑟 𝑧) → 𝑦 = 𝑧))) |
28 | 14, 25, 27 | sylanbrc 583 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → ∃!𝑦 𝐹 ⇝𝑟 𝑦) |
29 | | dfdfat2 44620 |
. . . . . . . . 9
⊢ (
⇝𝑟 defAt 𝐹 ↔ (𝐹 ∈ dom ⇝𝑟
∧ ∃!𝑦 𝐹 ⇝𝑟
𝑦)) |
30 | 10, 28, 29 | sylanbrc 583 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) →
⇝𝑟 defAt 𝐹) |
31 | | afvfundmfveq 44630 |
. . . . . . . 8
⊢ (
⇝𝑟 defAt 𝐹 → ( ⇝𝑟
'''𝐹) = (
⇝𝑟 ‘𝐹)) |
32 | 30, 31 | syl 17 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (
⇝𝑟 '''𝐹) = ( ⇝𝑟
‘𝐹)) |
33 | | df-fv 6441 |
. . . . . . . 8
⊢ (
⇝𝑟 ‘𝐹) = (℩𝑤𝐹 ⇝𝑟 𝑤) |
34 | 15 | adantr 481 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ (𝐹 ⇝𝑟 𝑥 ∧ 𝐹 ⇝𝑟 𝑤)) → 𝐹:𝐴⟶ℂ) |
35 | 18 | adantr 481 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ (𝐹 ⇝𝑟 𝑥 ∧ 𝐹 ⇝𝑟 𝑤)) → sup(𝐴, ℝ*, < ) =
+∞) |
36 | | simprr 770 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ (𝐹 ⇝𝑟 𝑥 ∧ 𝐹 ⇝𝑟 𝑤)) → 𝐹 ⇝𝑟 𝑤) |
37 | | simprl 768 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ (𝐹 ⇝𝑟 𝑥 ∧ 𝐹 ⇝𝑟 𝑤)) → 𝐹 ⇝𝑟 𝑥) |
38 | 34, 35, 36, 37 | rlimuni 15259 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ (𝐹 ⇝𝑟 𝑥 ∧ 𝐹 ⇝𝑟 𝑤)) → 𝑤 = 𝑥) |
39 | 38 | expr 457 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (𝐹 ⇝𝑟 𝑤 → 𝑤 = 𝑥)) |
40 | | breq2 5078 |
. . . . . . . . . . . . 13
⊢ (𝑤 = 𝑥 → (𝐹 ⇝𝑟 𝑤 ↔ 𝐹 ⇝𝑟 𝑥)) |
41 | 3, 40 | syl5ibrcom 246 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (𝑤 = 𝑥 → 𝐹 ⇝𝑟 𝑤)) |
42 | 39, 41 | impbid 211 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (𝐹 ⇝𝑟 𝑤 ↔ 𝑤 = 𝑥)) |
43 | 42 | adantr 481 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ 𝑥 ∈ V) → (𝐹 ⇝𝑟 𝑤 ↔ 𝑤 = 𝑥)) |
44 | 43 | iota5 6416 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) ∧ 𝑥 ∈ V) → (℩𝑤𝐹 ⇝𝑟 𝑤) = 𝑥) |
45 | 44 | elvd 3439 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (℩𝑤𝐹 ⇝𝑟 𝑤) = 𝑥) |
46 | 33, 45 | eqtrid 2790 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (
⇝𝑟 ‘𝐹) = 𝑥) |
47 | 32, 46 | eqtrd 2778 |
. . . . . 6
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → (
⇝𝑟 '''𝐹) = 𝑥) |
48 | 3, 47 | breqtrrd 5102 |
. . . . 5
⊢ ((𝜑 ∧ 𝐹 ⇝𝑟 𝑥) → 𝐹 ⇝𝑟 (
⇝𝑟 '''𝐹)) |
49 | 48 | ex 413 |
. . . 4
⊢ (𝜑 → (𝐹 ⇝𝑟 𝑥 → 𝐹 ⇝𝑟 (
⇝𝑟 '''𝐹))) |
50 | 49 | exlimdv 1936 |
. . 3
⊢ (𝜑 → (∃𝑥 𝐹 ⇝𝑟 𝑥 → 𝐹 ⇝𝑟 (
⇝𝑟 '''𝐹))) |
51 | 2, 50 | syl5 34 |
. 2
⊢ (𝜑 → (𝐹 ∈ dom ⇝𝑟
→ 𝐹
⇝𝑟 ( ⇝𝑟 '''𝐹))) |
52 | 4 | releldmi 5857 |
. 2
⊢ (𝐹 ⇝𝑟 (
⇝𝑟 '''𝐹) → 𝐹 ∈ dom ⇝𝑟
) |
53 | 51, 52 | impbid1 224 |
1
⊢ (𝜑 → (𝐹 ∈ dom ⇝𝑟
↔ 𝐹
⇝𝑟 ( ⇝𝑟 '''𝐹))) |