Step | Hyp | Ref
| Expression |
1 | | ovex 7197 |
. 2
⊢
(𝒫 ∪ ran 𝐽 ↑pm dom 𝐽) ∈ V |
2 | | brssc 17182 |
. . . 4
⊢ (ℎ ⊆cat 𝐽 ↔ ∃𝑡(𝐽 Fn (𝑡 × 𝑡) ∧ ∃𝑠 ∈ 𝒫 𝑡ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) |
3 | | simpl 486 |
. . . . . . . . . 10
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → 𝐽 Fn (𝑡 × 𝑡)) |
4 | | vex 3401 |
. . . . . . . . . . 11
⊢ 𝑡 ∈ V |
5 | 4, 4 | xpex 7488 |
. . . . . . . . . 10
⊢ (𝑡 × 𝑡) ∈ V |
6 | | fnex 6984 |
. . . . . . . . . 10
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑡 × 𝑡) ∈ V) → 𝐽 ∈ V) |
7 | 3, 5, 6 | sylancl 589 |
. . . . . . . . 9
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → 𝐽 ∈ V) |
8 | | rnexg 7628 |
. . . . . . . . 9
⊢ (𝐽 ∈ V → ran 𝐽 ∈ V) |
9 | | uniexg 7478 |
. . . . . . . . 9
⊢ (ran
𝐽 ∈ V → ∪ ran 𝐽 ∈ V) |
10 | | pwexg 5242 |
. . . . . . . . 9
⊢ (∪ ran 𝐽 ∈ V → 𝒫 ∪ ran 𝐽 ∈ V) |
11 | 7, 8, 9, 10 | 4syl 19 |
. . . . . . . 8
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → 𝒫 ∪ ran 𝐽 ∈ V) |
12 | | fndm 6434 |
. . . . . . . . . 10
⊢ (𝐽 Fn (𝑡 × 𝑡) → dom 𝐽 = (𝑡 × 𝑡)) |
13 | 12 | adantr 484 |
. . . . . . . . 9
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → dom 𝐽 = (𝑡 × 𝑡)) |
14 | 13, 5 | eqeltrdi 2841 |
. . . . . . . 8
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → dom 𝐽 ∈ V) |
15 | | ss2ixp 8513 |
. . . . . . . . . . 11
⊢
(∀𝑥 ∈
(𝑠 × 𝑠)𝒫 (𝐽‘𝑥) ⊆ 𝒫 ∪ ran 𝐽 → X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥) ⊆ X𝑥 ∈ (𝑠 × 𝑠)𝒫 ∪ ran
𝐽) |
16 | | fvssunirn 6697 |
. . . . . . . . . . . . 13
⊢ (𝐽‘𝑥) ⊆ ∪ ran
𝐽 |
17 | 16 | sspwi 4499 |
. . . . . . . . . . . 12
⊢ 𝒫
(𝐽‘𝑥) ⊆ 𝒫 ∪ ran 𝐽 |
18 | 17 | a1i 11 |
. . . . . . . . . . 11
⊢ (𝑥 ∈ (𝑠 × 𝑠) → 𝒫 (𝐽‘𝑥) ⊆ 𝒫 ∪ ran 𝐽) |
19 | 15, 18 | mprg 3067 |
. . . . . . . . . 10
⊢ X𝑥 ∈
(𝑠 × 𝑠)𝒫 (𝐽‘𝑥) ⊆ X𝑥 ∈ (𝑠 × 𝑠)𝒫 ∪ ran
𝐽 |
20 | | simprr 773 |
. . . . . . . . . 10
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥)) |
21 | 19, 20 | sseldi 3873 |
. . . . . . . . 9
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 ∪ ran
𝐽) |
22 | | vex 3401 |
. . . . . . . . . 10
⊢ ℎ ∈ V |
23 | 22 | elixpconst 8508 |
. . . . . . . . 9
⊢ (ℎ ∈ X𝑥 ∈
(𝑠 × 𝑠)𝒫 ∪ ran 𝐽 ↔ ℎ:(𝑠 × 𝑠)⟶𝒫 ∪ ran 𝐽) |
24 | 21, 23 | sylib 221 |
. . . . . . . 8
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → ℎ:(𝑠 × 𝑠)⟶𝒫 ∪ ran 𝐽) |
25 | | elpwi 4494 |
. . . . . . . . . . 11
⊢ (𝑠 ∈ 𝒫 𝑡 → 𝑠 ⊆ 𝑡) |
26 | 25 | ad2antrl 728 |
. . . . . . . . . 10
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → 𝑠 ⊆ 𝑡) |
27 | | xpss12 5534 |
. . . . . . . . . 10
⊢ ((𝑠 ⊆ 𝑡 ∧ 𝑠 ⊆ 𝑡) → (𝑠 × 𝑠) ⊆ (𝑡 × 𝑡)) |
28 | 26, 26, 27 | syl2anc 587 |
. . . . . . . . 9
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → (𝑠 × 𝑠) ⊆ (𝑡 × 𝑡)) |
29 | 28, 13 | sseqtrrd 3916 |
. . . . . . . 8
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → (𝑠 × 𝑠) ⊆ dom 𝐽) |
30 | | elpm2r 8448 |
. . . . . . . 8
⊢
(((𝒫 ∪ ran 𝐽 ∈ V ∧ dom 𝐽 ∈ V) ∧ (ℎ:(𝑠 × 𝑠)⟶𝒫 ∪ ran 𝐽 ∧ (𝑠 × 𝑠) ⊆ dom 𝐽)) → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽)) |
31 | 11, 14, 24, 29, 30 | syl22anc 838 |
. . . . . . 7
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ (𝑠 ∈ 𝒫 𝑡 ∧ ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥))) → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽)) |
32 | 31 | rexlimdvaa 3194 |
. . . . . 6
⊢ (𝐽 Fn (𝑡 × 𝑡) → (∃𝑠 ∈ 𝒫 𝑡ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥) → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽))) |
33 | 32 | imp 410 |
. . . . 5
⊢ ((𝐽 Fn (𝑡 × 𝑡) ∧ ∃𝑠 ∈ 𝒫 𝑡ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥)) → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽)) |
34 | 33 | exlimiv 1936 |
. . . 4
⊢
(∃𝑡(𝐽 Fn (𝑡 × 𝑡) ∧ ∃𝑠 ∈ 𝒫 𝑡ℎ ∈ X𝑥 ∈ (𝑠 × 𝑠)𝒫 (𝐽‘𝑥)) → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽)) |
35 | 2, 34 | sylbi 220 |
. . 3
⊢ (ℎ ⊆cat 𝐽 → ℎ ∈ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽)) |
36 | 35 | abssi 3957 |
. 2
⊢ {ℎ ∣ ℎ ⊆cat 𝐽} ⊆ (𝒫 ∪ ran 𝐽 ↑pm dom 𝐽) |
37 | 1, 36 | ssexi 5187 |
1
⊢ {ℎ ∣ ℎ ⊆cat 𝐽} ∈ V |