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Theorem wunex2 10733
Description: Construct a weak universe from a given set. (Contributed by Mario Carneiro, 2-Jan-2017.)
Hypotheses
Ref Expression
wunex2.f 𝐹 = (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω)
wunex2.u 𝑈 = ran 𝐹
Assertion
Ref Expression
wunex2 (𝐴𝑉 → (𝑈 ∈ WUni ∧ 𝐴𝑈))
Distinct variable group:   𝑥,𝑦,𝑧
Allowed substitution hints:   𝐴(𝑥,𝑦,𝑧)   𝑈(𝑥,𝑦,𝑧)   𝐹(𝑥,𝑦,𝑧)   𝑉(𝑥,𝑦,𝑧)

Proof of Theorem wunex2
Dummy variables 𝑢 𝑎 𝑣 𝑤 𝑏 𝑚 𝑛 𝑖 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 wunex2.u . . . . . . . 8 𝑈 = ran 𝐹
21eleq2i 2826 . . . . . . 7 (𝑎𝑈𝑎 ran 𝐹)
3 frfnom 8435 . . . . . . . . 9 (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω) Fn ω
4 wunex2.f . . . . . . . . . 10 𝐹 = (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω)
54fneq1i 6647 . . . . . . . . 9 (𝐹 Fn ω ↔ (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω) Fn ω)
63, 5mpbir 230 . . . . . . . 8 𝐹 Fn ω
7 fnunirn 7253 . . . . . . . 8 (𝐹 Fn ω → (𝑎 ran 𝐹 ↔ ∃𝑚 ∈ ω 𝑎 ∈ (𝐹𝑚)))
86, 7ax-mp 5 . . . . . . 7 (𝑎 ran 𝐹 ↔ ∃𝑚 ∈ ω 𝑎 ∈ (𝐹𝑚))
92, 8bitri 275 . . . . . 6 (𝑎𝑈 ↔ ∃𝑚 ∈ ω 𝑎 ∈ (𝐹𝑚))
10 elssuni 4942 . . . . . . . . . . 11 (𝑎 ∈ (𝐹𝑚) → 𝑎 (𝐹𝑚))
1110ad2antll 728 . . . . . . . . . 10 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑎 (𝐹𝑚))
12 ssun2 4174 . . . . . . . . . . 11 (𝐹𝑚) ⊆ ((𝐹𝑚) ∪ (𝐹𝑚))
13 ssun1 4173 . . . . . . . . . . 11 ((𝐹𝑚) ∪ (𝐹𝑚)) ⊆ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
1412, 13sstri 3992 . . . . . . . . . 10 (𝐹𝑚) ⊆ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
1511, 14sstrdi 3995 . . . . . . . . 9 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑎 ⊆ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))))
16 simprl 770 . . . . . . . . . 10 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑚 ∈ ω)
17 fvex 6905 . . . . . . . . . . . 12 (𝐹𝑚) ∈ V
1817uniex 7731 . . . . . . . . . . . 12 (𝐹𝑚) ∈ V
1917, 18unex 7733 . . . . . . . . . . 11 ((𝐹𝑚) ∪ (𝐹𝑚)) ∈ V
20 prex 5433 . . . . . . . . . . . . 13 {𝒫 𝑢, 𝑢} ∈ V
2117mptex 7225 . . . . . . . . . . . . . 14 (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}) ∈ V
2221rnex 7903 . . . . . . . . . . . . 13 ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}) ∈ V
2320, 22unex 7733 . . . . . . . . . . . 12 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) ∈ V
2417, 23iunex 7955 . . . . . . . . . . 11 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) ∈ V
2519, 24unex 7733 . . . . . . . . . 10 (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))) ∈ V
26 id 22 . . . . . . . . . . . . 13 (𝑤 = 𝑧𝑤 = 𝑧)
27 unieq 4920 . . . . . . . . . . . . 13 (𝑤 = 𝑧 𝑤 = 𝑧)
2826, 27uneq12d 4165 . . . . . . . . . . . 12 (𝑤 = 𝑧 → (𝑤 𝑤) = (𝑧 𝑧))
29 pweq 4617 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑥 → 𝒫 𝑢 = 𝒫 𝑥)
30 unieq 4920 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑥 𝑢 = 𝑥)
3129, 30preq12d 4746 . . . . . . . . . . . . . . 15 (𝑢 = 𝑥 → {𝒫 𝑢, 𝑢} = {𝒫 𝑥, 𝑥})
32 preq2 4739 . . . . . . . . . . . . . . . . . 18 (𝑣 = 𝑦 → {𝑢, 𝑣} = {𝑢, 𝑦})
3332cbvmptv 5262 . . . . . . . . . . . . . . . . 17 (𝑣𝑤 ↦ {𝑢, 𝑣}) = (𝑦𝑤 ↦ {𝑢, 𝑦})
34 preq1 4738 . . . . . . . . . . . . . . . . . 18 (𝑢 = 𝑥 → {𝑢, 𝑦} = {𝑥, 𝑦})
3534mpteq2dv 5251 . . . . . . . . . . . . . . . . 17 (𝑢 = 𝑥 → (𝑦𝑤 ↦ {𝑢, 𝑦}) = (𝑦𝑤 ↦ {𝑥, 𝑦}))
3633, 35eqtrid 2785 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑥 → (𝑣𝑤 ↦ {𝑢, 𝑣}) = (𝑦𝑤 ↦ {𝑥, 𝑦}))
3736rneqd 5938 . . . . . . . . . . . . . . 15 (𝑢 = 𝑥 → ran (𝑣𝑤 ↦ {𝑢, 𝑣}) = ran (𝑦𝑤 ↦ {𝑥, 𝑦}))
3831, 37uneq12d 4165 . . . . . . . . . . . . . 14 (𝑢 = 𝑥 → ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑤 ↦ {𝑥, 𝑦})))
3938cbviunv 5044 . . . . . . . . . . . . 13 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = 𝑥𝑤 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑤 ↦ {𝑥, 𝑦}))
40 mpteq1 5242 . . . . . . . . . . . . . . . 16 (𝑤 = 𝑧 → (𝑦𝑤 ↦ {𝑥, 𝑦}) = (𝑦𝑧 ↦ {𝑥, 𝑦}))
4140rneqd 5938 . . . . . . . . . . . . . . 15 (𝑤 = 𝑧 → ran (𝑦𝑤 ↦ {𝑥, 𝑦}) = ran (𝑦𝑧 ↦ {𝑥, 𝑦}))
4241uneq2d 4164 . . . . . . . . . . . . . 14 (𝑤 = 𝑧 → ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑤 ↦ {𝑥, 𝑦})) = ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))
4326, 42iuneq12d 5026 . . . . . . . . . . . . 13 (𝑤 = 𝑧 𝑥𝑤 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑤 ↦ {𝑥, 𝑦})) = 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))
4439, 43eqtrid 2785 . . . . . . . . . . . 12 (𝑤 = 𝑧 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))
4528, 44uneq12d 4165 . . . . . . . . . . 11 (𝑤 = 𝑧 → ((𝑤 𝑤) ∪ 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣}))) = ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦}))))
46 id 22 . . . . . . . . . . . . 13 (𝑤 = (𝐹𝑚) → 𝑤 = (𝐹𝑚))
47 unieq 4920 . . . . . . . . . . . . 13 (𝑤 = (𝐹𝑚) → 𝑤 = (𝐹𝑚))
4846, 47uneq12d 4165 . . . . . . . . . . . 12 (𝑤 = (𝐹𝑚) → (𝑤 𝑤) = ((𝐹𝑚) ∪ (𝐹𝑚)))
49 mpteq1 5242 . . . . . . . . . . . . . . 15 (𝑤 = (𝐹𝑚) → (𝑣𝑤 ↦ {𝑢, 𝑣}) = (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))
5049rneqd 5938 . . . . . . . . . . . . . 14 (𝑤 = (𝐹𝑚) → ran (𝑣𝑤 ↦ {𝑢, 𝑣}) = ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))
5150uneq2d 4164 . . . . . . . . . . . . 13 (𝑤 = (𝐹𝑚) → ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
5246, 51iuneq12d 5026 . . . . . . . . . . . 12 (𝑤 = (𝐹𝑚) → 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
5348, 52uneq12d 4165 . . . . . . . . . . 11 (𝑤 = (𝐹𝑚) → ((𝑤 𝑤) ∪ 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣}))) = (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))))
544, 45, 53frsucmpt2 8440 . . . . . . . . . 10 ((𝑚 ∈ ω ∧ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))) ∈ V) → (𝐹‘suc 𝑚) = (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))))
5516, 25, 54sylancl 587 . . . . . . . . 9 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → (𝐹‘suc 𝑚) = (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))))
5615, 55sseqtrrd 4024 . . . . . . . 8 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑎 ⊆ (𝐹‘suc 𝑚))
57 fvssunirn 6925 . . . . . . . . 9 (𝐹‘suc 𝑚) ⊆ ran 𝐹
5857, 1sseqtrri 4020 . . . . . . . 8 (𝐹‘suc 𝑚) ⊆ 𝑈
5956, 58sstrdi 3995 . . . . . . 7 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑎𝑈)
6059rexlimdvaa 3157 . . . . . 6 (𝐴𝑉 → (∃𝑚 ∈ ω 𝑎 ∈ (𝐹𝑚) → 𝑎𝑈))
619, 60biimtrid 241 . . . . 5 (𝐴𝑉 → (𝑎𝑈𝑎𝑈))
6261ralrimiv 3146 . . . 4 (𝐴𝑉 → ∀𝑎𝑈 𝑎𝑈)
63 dftr3 5272 . . . 4 (Tr 𝑈 ↔ ∀𝑎𝑈 𝑎𝑈)
6462, 63sylibr 233 . . 3 (𝐴𝑉 → Tr 𝑈)
65 1on 8478 . . . . . . . 8 1o ∈ On
66 unexg 7736 . . . . . . . 8 ((𝐴𝑉 ∧ 1o ∈ On) → (𝐴 ∪ 1o) ∈ V)
6765, 66mpan2 690 . . . . . . 7 (𝐴𝑉 → (𝐴 ∪ 1o) ∈ V)
684fveq1i 6893 . . . . . . . 8 (𝐹‘∅) = ((rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω)‘∅)
69 fr0g 8436 . . . . . . . 8 ((𝐴 ∪ 1o) ∈ V → ((rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω)‘∅) = (𝐴 ∪ 1o))
7068, 69eqtrid 2785 . . . . . . 7 ((𝐴 ∪ 1o) ∈ V → (𝐹‘∅) = (𝐴 ∪ 1o))
7167, 70syl 17 . . . . . 6 (𝐴𝑉 → (𝐹‘∅) = (𝐴 ∪ 1o))
72 fvssunirn 6925 . . . . . . 7 (𝐹‘∅) ⊆ ran 𝐹
7372, 1sseqtrri 4020 . . . . . 6 (𝐹‘∅) ⊆ 𝑈
7471, 73eqsstrrdi 4038 . . . . 5 (𝐴𝑉 → (𝐴 ∪ 1o) ⊆ 𝑈)
7574unssbd 4189 . . . 4 (𝐴𝑉 → 1o𝑈)
76 1n0 8488 . . . 4 1o ≠ ∅
77 ssn0 4401 . . . 4 ((1o𝑈 ∧ 1o ≠ ∅) → 𝑈 ≠ ∅)
7875, 76, 77sylancl 587 . . 3 (𝐴𝑉𝑈 ≠ ∅)
79 pweq 4617 . . . . . . . . . . . . . . 15 (𝑢 = 𝑎 → 𝒫 𝑢 = 𝒫 𝑎)
80 unieq 4920 . . . . . . . . . . . . . . 15 (𝑢 = 𝑎 𝑢 = 𝑎)
8179, 80preq12d 4746 . . . . . . . . . . . . . 14 (𝑢 = 𝑎 → {𝒫 𝑢, 𝑢} = {𝒫 𝑎, 𝑎})
82 preq1 4738 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑎 → {𝑢, 𝑣} = {𝑎, 𝑣})
8382mpteq2dv 5251 . . . . . . . . . . . . . . 15 (𝑢 = 𝑎 → (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}) = (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣}))
8483rneqd 5938 . . . . . . . . . . . . . 14 (𝑢 = 𝑎 → ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}) = ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣}))
8581, 84uneq12d 4165 . . . . . . . . . . . . 13 (𝑢 = 𝑎 → ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) = ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣})))
8685ssiun2s 5052 . . . . . . . . . . . 12 (𝑎 ∈ (𝐹𝑚) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣})) ⊆ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
8786ad2antll 728 . . . . . . . . . . 11 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣})) ⊆ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
88 ssun2 4174 . . . . . . . . . . . . 13 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) ⊆ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
8988, 55sseqtrrid 4036 . . . . . . . . . . . 12 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) ⊆ (𝐹‘suc 𝑚))
9089, 58sstrdi 3995 . . . . . . . . . . 11 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})) ⊆ 𝑈)
9187, 90sstrd 3993 . . . . . . . . . 10 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑎, 𝑣})) ⊆ 𝑈)
9291unssad 4188 . . . . . . . . 9 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → {𝒫 𝑎, 𝑎} ⊆ 𝑈)
93 vpwex 5376 . . . . . . . . . 10 𝒫 𝑎 ∈ V
94 vuniex 7729 . . . . . . . . . 10 𝑎 ∈ V
9593, 94prss 4824 . . . . . . . . 9 ((𝒫 𝑎𝑈 𝑎𝑈) ↔ {𝒫 𝑎, 𝑎} ⊆ 𝑈)
9692, 95sylibr 233 . . . . . . . 8 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → (𝒫 𝑎𝑈 𝑎𝑈))
9796simprd 497 . . . . . . 7 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝑎𝑈)
9896simpld 496 . . . . . . 7 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → 𝒫 𝑎𝑈)
991eleq2i 2826 . . . . . . . . . 10 (𝑏𝑈𝑏 ran 𝐹)
100 fnunirn 7253 . . . . . . . . . . 11 (𝐹 Fn ω → (𝑏 ran 𝐹 ↔ ∃𝑛 ∈ ω 𝑏 ∈ (𝐹𝑛)))
1016, 100ax-mp 5 . . . . . . . . . 10 (𝑏 ran 𝐹 ↔ ∃𝑛 ∈ ω 𝑏 ∈ (𝐹𝑛))
10299, 101bitri 275 . . . . . . . . 9 (𝑏𝑈 ↔ ∃𝑛 ∈ ω 𝑏 ∈ (𝐹𝑛))
103 ordom 7865 . . . . . . . . . . . . . . . . 17 Ord ω
104 simplrl 776 . . . . . . . . . . . . . . . . 17 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑚 ∈ ω)
105 simprl 770 . . . . . . . . . . . . . . . . 17 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑛 ∈ ω)
106 ordunel 7815 . . . . . . . . . . . . . . . . 17 ((Ord ω ∧ 𝑚 ∈ ω ∧ 𝑛 ∈ ω) → (𝑚𝑛) ∈ ω)
107103, 104, 105, 106mp3an2i 1467 . . . . . . . . . . . . . . . 16 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → (𝑚𝑛) ∈ ω)
108 ssun1 4173 . . . . . . . . . . . . . . . . 17 𝑚 ⊆ (𝑚𝑛)
109 fveq2 6892 . . . . . . . . . . . . . . . . . . 19 (𝑘 = 𝑚 → (𝐹𝑘) = (𝐹𝑚))
110109sseq2d 4015 . . . . . . . . . . . . . . . . . 18 (𝑘 = 𝑚 → ((𝐹𝑚) ⊆ (𝐹𝑘) ↔ (𝐹𝑚) ⊆ (𝐹𝑚)))
111 fveq2 6892 . . . . . . . . . . . . . . . . . . 19 (𝑘 = 𝑖 → (𝐹𝑘) = (𝐹𝑖))
112111sseq2d 4015 . . . . . . . . . . . . . . . . . 18 (𝑘 = 𝑖 → ((𝐹𝑚) ⊆ (𝐹𝑘) ↔ (𝐹𝑚) ⊆ (𝐹𝑖)))
113 fveq2 6892 . . . . . . . . . . . . . . . . . . 19 (𝑘 = suc 𝑖 → (𝐹𝑘) = (𝐹‘suc 𝑖))
114113sseq2d 4015 . . . . . . . . . . . . . . . . . 18 (𝑘 = suc 𝑖 → ((𝐹𝑚) ⊆ (𝐹𝑘) ↔ (𝐹𝑚) ⊆ (𝐹‘suc 𝑖)))
115 fveq2 6892 . . . . . . . . . . . . . . . . . . 19 (𝑘 = (𝑚𝑛) → (𝐹𝑘) = (𝐹‘(𝑚𝑛)))
116115sseq2d 4015 . . . . . . . . . . . . . . . . . 18 (𝑘 = (𝑚𝑛) → ((𝐹𝑚) ⊆ (𝐹𝑘) ↔ (𝐹𝑚) ⊆ (𝐹‘(𝑚𝑛))))
117 ssidd 4006 . . . . . . . . . . . . . . . . . 18 (𝑚 ∈ ω → (𝐹𝑚) ⊆ (𝐹𝑚))
118 fveq2 6892 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 = 𝑖 → (𝐹𝑚) = (𝐹𝑖))
119 suceq 6431 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑖 → suc 𝑚 = suc 𝑖)
120119fveq2d 6896 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 = 𝑖 → (𝐹‘suc 𝑚) = (𝐹‘suc 𝑖))
121118, 120sseq12d 4016 . . . . . . . . . . . . . . . . . . . . 21 (𝑚 = 𝑖 → ((𝐹𝑚) ⊆ (𝐹‘suc 𝑚) ↔ (𝐹𝑖) ⊆ (𝐹‘suc 𝑖)))
122 ssun1 4173 . . . . . . . . . . . . . . . . . . . . . . 23 (𝐹𝑚) ⊆ ((𝐹𝑚) ∪ (𝐹𝑚))
123122, 13sstri 3992 . . . . . . . . . . . . . . . . . . . . . 22 (𝐹𝑚) ⊆ (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣})))
12425, 54mpan2 690 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 ∈ ω → (𝐹‘suc 𝑚) = (((𝐹𝑚) ∪ (𝐹𝑚)) ∪ 𝑢 ∈ (𝐹𝑚)({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹𝑚) ↦ {𝑢, 𝑣}))))
125123, 124sseqtrrid 4036 . . . . . . . . . . . . . . . . . . . . 21 (𝑚 ∈ ω → (𝐹𝑚) ⊆ (𝐹‘suc 𝑚))
126121, 125vtoclga 3566 . . . . . . . . . . . . . . . . . . . 20 (𝑖 ∈ ω → (𝐹𝑖) ⊆ (𝐹‘suc 𝑖))
127126ad2antrr 725 . . . . . . . . . . . . . . . . . . 19 (((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚𝑖) → (𝐹𝑖) ⊆ (𝐹‘suc 𝑖))
128 sstr2 3990 . . . . . . . . . . . . . . . . . . 19 ((𝐹𝑚) ⊆ (𝐹𝑖) → ((𝐹𝑖) ⊆ (𝐹‘suc 𝑖) → (𝐹𝑚) ⊆ (𝐹‘suc 𝑖)))
129127, 128syl5com 31 . . . . . . . . . . . . . . . . . 18 (((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚𝑖) → ((𝐹𝑚) ⊆ (𝐹𝑖) → (𝐹𝑚) ⊆ (𝐹‘suc 𝑖)))
130110, 112, 114, 116, 117, 129findsg 7890 . . . . . . . . . . . . . . . . 17 ((((𝑚𝑛) ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚 ⊆ (𝑚𝑛)) → (𝐹𝑚) ⊆ (𝐹‘(𝑚𝑛)))
131108, 130mpan2 690 . . . . . . . . . . . . . . . 16 (((𝑚𝑛) ∈ ω ∧ 𝑚 ∈ ω) → (𝐹𝑚) ⊆ (𝐹‘(𝑚𝑛)))
132107, 104, 131syl2anc 585 . . . . . . . . . . . . . . 15 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → (𝐹𝑚) ⊆ (𝐹‘(𝑚𝑛)))
133 simplrr 777 . . . . . . . . . . . . . . 15 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑎 ∈ (𝐹𝑚))
134132, 133sseldd 3984 . . . . . . . . . . . . . 14 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑎 ∈ (𝐹‘(𝑚𝑛)))
13582mpteq2dv 5251 . . . . . . . . . . . . . . . . 17 (𝑢 = 𝑎 → (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}) = (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}))
136135rneqd 5938 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑎 → ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}) = ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}))
13781, 136uneq12d 4165 . . . . . . . . . . . . . . 15 (𝑢 = 𝑎 → ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) = ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣})))
138137ssiun2s 5052 . . . . . . . . . . . . . 14 (𝑎 ∈ (𝐹‘(𝑚𝑛)) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣})) ⊆ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})))
139134, 138syl 17 . . . . . . . . . . . . 13 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣})) ⊆ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})))
140 ssun2 4174 . . . . . . . . . . . . . . 15 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) ⊆ (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})))
141 fvex 6905 . . . . . . . . . . . . . . . . . 18 (𝐹‘(𝑚𝑛)) ∈ V
142141uniex 7731 . . . . . . . . . . . . . . . . . 18 (𝐹‘(𝑚𝑛)) ∈ V
143141, 142unex 7733 . . . . . . . . . . . . . . . . 17 ((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∈ V
144141mptex 7225 . . . . . . . . . . . . . . . . . . . 20 (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}) ∈ V
145144rnex 7903 . . . . . . . . . . . . . . . . . . 19 ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}) ∈ V
14620, 145unex 7733 . . . . . . . . . . . . . . . . . 18 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) ∈ V
147141, 146iunex 7955 . . . . . . . . . . . . . . . . 17 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) ∈ V
148143, 147unex 7733 . . . . . . . . . . . . . . . 16 (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))) ∈ V
149 id 22 . . . . . . . . . . . . . . . . . . 19 (𝑤 = (𝐹‘(𝑚𝑛)) → 𝑤 = (𝐹‘(𝑚𝑛)))
150 unieq 4920 . . . . . . . . . . . . . . . . . . 19 (𝑤 = (𝐹‘(𝑚𝑛)) → 𝑤 = (𝐹‘(𝑚𝑛)))
151149, 150uneq12d 4165 . . . . . . . . . . . . . . . . . 18 (𝑤 = (𝐹‘(𝑚𝑛)) → (𝑤 𝑤) = ((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))))
152 mpteq1 5242 . . . . . . . . . . . . . . . . . . . . 21 (𝑤 = (𝐹‘(𝑚𝑛)) → (𝑣𝑤 ↦ {𝑢, 𝑣}) = (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))
153152rneqd 5938 . . . . . . . . . . . . . . . . . . . 20 (𝑤 = (𝐹‘(𝑚𝑛)) → ran (𝑣𝑤 ↦ {𝑢, 𝑣}) = ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))
154153uneq2d 4164 . . . . . . . . . . . . . . . . . . 19 (𝑤 = (𝐹‘(𝑚𝑛)) → ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = ({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})))
155149, 154iuneq12d 5026 . . . . . . . . . . . . . . . . . 18 (𝑤 = (𝐹‘(𝑚𝑛)) → 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣})) = 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})))
156151, 155uneq12d 4165 . . . . . . . . . . . . . . . . 17 (𝑤 = (𝐹‘(𝑚𝑛)) → ((𝑤 𝑤) ∪ 𝑢𝑤 ({𝒫 𝑢, 𝑢} ∪ ran (𝑣𝑤 ↦ {𝑢, 𝑣}))) = (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))))
1574, 45, 156frsucmpt2 8440 . . . . . . . . . . . . . . . 16 (((𝑚𝑛) ∈ ω ∧ (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))) ∈ V) → (𝐹‘suc (𝑚𝑛)) = (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))))
158107, 148, 157sylancl 587 . . . . . . . . . . . . . . 15 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → (𝐹‘suc (𝑚𝑛)) = (((𝐹‘(𝑚𝑛)) ∪ (𝐹‘(𝑚𝑛))) ∪ 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣}))))
159140, 158sseqtrrid 4036 . . . . . . . . . . . . . 14 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) ⊆ (𝐹‘suc (𝑚𝑛)))
160 fvssunirn 6925 . . . . . . . . . . . . . . 15 (𝐹‘suc (𝑚𝑛)) ⊆ ran 𝐹
161160, 1sseqtrri 4020 . . . . . . . . . . . . . 14 (𝐹‘suc (𝑚𝑛)) ⊆ 𝑈
162159, 161sstrdi 3995 . . . . . . . . . . . . 13 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑢 ∈ (𝐹‘(𝑚𝑛))({𝒫 𝑢, 𝑢} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑢, 𝑣})) ⊆ 𝑈)
163139, 162sstrd 3993 . . . . . . . . . . . 12 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → ({𝒫 𝑎, 𝑎} ∪ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣})) ⊆ 𝑈)
164163unssbd 4189 . . . . . . . . . . 11 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}) ⊆ 𝑈)
165 ssun2 4174 . . . . . . . . . . . . . . . . . . 19 𝑛 ⊆ (𝑚𝑛)
166 id 22 . . . . . . . . . . . . . . . . . . 19 (𝑖 = (𝑚𝑛) → 𝑖 = (𝑚𝑛))
167165, 166sseqtrrid 4036 . . . . . . . . . . . . . . . . . 18 (𝑖 = (𝑚𝑛) → 𝑛𝑖)
168167biantrud 533 . . . . . . . . . . . . . . . . 17 (𝑖 = (𝑚𝑛) → (𝑛 ∈ ω ↔ (𝑛 ∈ ω ∧ 𝑛𝑖)))
169168bicomd 222 . . . . . . . . . . . . . . . 16 (𝑖 = (𝑚𝑛) → ((𝑛 ∈ ω ∧ 𝑛𝑖) ↔ 𝑛 ∈ ω))
170 fveq2 6892 . . . . . . . . . . . . . . . . 17 (𝑖 = (𝑚𝑛) → (𝐹𝑖) = (𝐹‘(𝑚𝑛)))
171170sseq2d 4015 . . . . . . . . . . . . . . . 16 (𝑖 = (𝑚𝑛) → ((𝐹𝑛) ⊆ (𝐹𝑖) ↔ (𝐹𝑛) ⊆ (𝐹‘(𝑚𝑛))))
172169, 171imbi12d 345 . . . . . . . . . . . . . . 15 (𝑖 = (𝑚𝑛) → (((𝑛 ∈ ω ∧ 𝑛𝑖) → (𝐹𝑛) ⊆ (𝐹𝑖)) ↔ (𝑛 ∈ ω → (𝐹𝑛) ⊆ (𝐹‘(𝑚𝑛)))))
173 eleq1w 2817 . . . . . . . . . . . . . . . . . . . 20 (𝑚 = 𝑛 → (𝑚 ∈ ω ↔ 𝑛 ∈ ω))
174173anbi2d 630 . . . . . . . . . . . . . . . . . . 19 (𝑚 = 𝑛 → ((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ↔ (𝑖 ∈ ω ∧ 𝑛 ∈ ω)))
175 sseq1 4008 . . . . . . . . . . . . . . . . . . 19 (𝑚 = 𝑛 → (𝑚𝑖𝑛𝑖))
176174, 175anbi12d 632 . . . . . . . . . . . . . . . . . 18 (𝑚 = 𝑛 → (((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚𝑖) ↔ ((𝑖 ∈ ω ∧ 𝑛 ∈ ω) ∧ 𝑛𝑖)))
177 fveq2 6892 . . . . . . . . . . . . . . . . . . 19 (𝑚 = 𝑛 → (𝐹𝑚) = (𝐹𝑛))
178177sseq1d 4014 . . . . . . . . . . . . . . . . . 18 (𝑚 = 𝑛 → ((𝐹𝑚) ⊆ (𝐹𝑖) ↔ (𝐹𝑛) ⊆ (𝐹𝑖)))
179176, 178imbi12d 345 . . . . . . . . . . . . . . . . 17 (𝑚 = 𝑛 → ((((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚𝑖) → (𝐹𝑚) ⊆ (𝐹𝑖)) ↔ (((𝑖 ∈ ω ∧ 𝑛 ∈ ω) ∧ 𝑛𝑖) → (𝐹𝑛) ⊆ (𝐹𝑖))))
180110, 112, 114, 112, 117, 129findsg 7890 . . . . . . . . . . . . . . . . 17 (((𝑖 ∈ ω ∧ 𝑚 ∈ ω) ∧ 𝑚𝑖) → (𝐹𝑚) ⊆ (𝐹𝑖))
181179, 180chvarvv 2003 . . . . . . . . . . . . . . . 16 (((𝑖 ∈ ω ∧ 𝑛 ∈ ω) ∧ 𝑛𝑖) → (𝐹𝑛) ⊆ (𝐹𝑖))
182181expl 459 . . . . . . . . . . . . . . 15 (𝑖 ∈ ω → ((𝑛 ∈ ω ∧ 𝑛𝑖) → (𝐹𝑛) ⊆ (𝐹𝑖)))
183172, 182vtoclga 3566 . . . . . . . . . . . . . 14 ((𝑚𝑛) ∈ ω → (𝑛 ∈ ω → (𝐹𝑛) ⊆ (𝐹‘(𝑚𝑛))))
184107, 105, 183sylc 65 . . . . . . . . . . . . 13 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → (𝐹𝑛) ⊆ (𝐹‘(𝑚𝑛)))
185 simprr 772 . . . . . . . . . . . . 13 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑏 ∈ (𝐹𝑛))
186184, 185sseldd 3984 . . . . . . . . . . . 12 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → 𝑏 ∈ (𝐹‘(𝑚𝑛)))
187 prex 5433 . . . . . . . . . . . 12 {𝑎, 𝑏} ∈ V
188 eqid 2733 . . . . . . . . . . . . 13 (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}) = (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣})
189 preq2 4739 . . . . . . . . . . . . 13 (𝑣 = 𝑏 → {𝑎, 𝑣} = {𝑎, 𝑏})
190188, 189elrnmpt1s 5957 . . . . . . . . . . . 12 ((𝑏 ∈ (𝐹‘(𝑚𝑛)) ∧ {𝑎, 𝑏} ∈ V) → {𝑎, 𝑏} ∈ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}))
191186, 187, 190sylancl 587 . . . . . . . . . . 11 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → {𝑎, 𝑏} ∈ ran (𝑣 ∈ (𝐹‘(𝑚𝑛)) ↦ {𝑎, 𝑣}))
192164, 191sseldd 3984 . . . . . . . . . 10 (((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) ∧ (𝑛 ∈ ω ∧ 𝑏 ∈ (𝐹𝑛))) → {𝑎, 𝑏} ∈ 𝑈)
193192rexlimdvaa 3157 . . . . . . . . 9 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → (∃𝑛 ∈ ω 𝑏 ∈ (𝐹𝑛) → {𝑎, 𝑏} ∈ 𝑈))
194102, 193biimtrid 241 . . . . . . . 8 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → (𝑏𝑈 → {𝑎, 𝑏} ∈ 𝑈))
195194ralrimiv 3146 . . . . . . 7 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈)
19697, 98, 1953jca 1129 . . . . . 6 ((𝐴𝑉 ∧ (𝑚 ∈ ω ∧ 𝑎 ∈ (𝐹𝑚))) → ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈))
197196rexlimdvaa 3157 . . . . 5 (𝐴𝑉 → (∃𝑚 ∈ ω 𝑎 ∈ (𝐹𝑚) → ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈)))
1989, 197biimtrid 241 . . . 4 (𝐴𝑉 → (𝑎𝑈 → ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈)))
199198ralrimiv 3146 . . 3 (𝐴𝑉 → ∀𝑎𝑈 ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈))
200 rdgfun 8416 . . . . . . . . 9 Fun rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o))
201 omex 9638 . . . . . . . . 9 ω ∈ V
202 resfunexg 7217 . . . . . . . . 9 ((Fun rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ∧ ω ∈ V) → (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω) ∈ V)
203200, 201, 202mp2an 691 . . . . . . . 8 (rec((𝑧 ∈ V ↦ ((𝑧 𝑧) ∪ 𝑥𝑧 ({𝒫 𝑥, 𝑥} ∪ ran (𝑦𝑧 ↦ {𝑥, 𝑦})))), (𝐴 ∪ 1o)) ↾ ω) ∈ V
2044, 203eqeltri 2830 . . . . . . 7 𝐹 ∈ V
205204rnex 7903 . . . . . 6 ran 𝐹 ∈ V
206205uniex 7731 . . . . 5 ran 𝐹 ∈ V
2071, 206eqeltri 2830 . . . 4 𝑈 ∈ V
208 iswun 10699 . . . 4 (𝑈 ∈ V → (𝑈 ∈ WUni ↔ (Tr 𝑈𝑈 ≠ ∅ ∧ ∀𝑎𝑈 ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈))))
209207, 208ax-mp 5 . . 3 (𝑈 ∈ WUni ↔ (Tr 𝑈𝑈 ≠ ∅ ∧ ∀𝑎𝑈 ( 𝑎𝑈 ∧ 𝒫 𝑎𝑈 ∧ ∀𝑏𝑈 {𝑎, 𝑏} ∈ 𝑈)))
21064, 78, 199, 209syl3anbrc 1344 . 2 (𝐴𝑉𝑈 ∈ WUni)
21174unssad 4188 . 2 (𝐴𝑉𝐴𝑈)
212210, 211jca 513 1 (𝐴𝑉 → (𝑈 ∈ WUni ∧ 𝐴𝑈))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 397  w3a 1088   = wceq 1542  wcel 2107  wne 2941  wral 3062  wrex 3071  Vcvv 3475  cun 3947  wss 3949  c0 4323  𝒫 cpw 4603  {cpr 4631   cuni 4909   ciun 4998  cmpt 5232  Tr wtr 5266  ran crn 5678  cres 5679  Ord word 6364  Oncon0 6365  suc csuc 6367  Fun wfun 6538   Fn wfn 6539  cfv 6544  ωcom 7855  reccrdg 8409  1oc1o 8459  WUnicwun 10695
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2155  ax-12 2172  ax-ext 2704  ax-rep 5286  ax-sep 5300  ax-nul 5307  ax-pow 5364  ax-pr 5428  ax-un 7725  ax-inf2 9636
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 847  df-3or 1089  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1783  df-nf 1787  df-sb 2069  df-mo 2535  df-eu 2564  df-clab 2711  df-cleq 2725  df-clel 2811  df-nfc 2886  df-ne 2942  df-ral 3063  df-rex 3072  df-reu 3378  df-rab 3434  df-v 3477  df-sbc 3779  df-csb 3895  df-dif 3952  df-un 3954  df-in 3956  df-ss 3966  df-pss 3968  df-nul 4324  df-if 4530  df-pw 4605  df-sn 4630  df-pr 4632  df-op 4636  df-uni 4910  df-iun 5000  df-br 5150  df-opab 5212  df-mpt 5233  df-tr 5267  df-id 5575  df-eprel 5581  df-po 5589  df-so 5590  df-fr 5632  df-we 5634  df-xp 5683  df-rel 5684  df-cnv 5685  df-co 5686  df-dm 5687  df-rn 5688  df-res 5689  df-ima 5690  df-pred 6301  df-ord 6368  df-on 6369  df-lim 6370  df-suc 6371  df-iota 6496  df-fun 6546  df-fn 6547  df-f 6548  df-f1 6549  df-fo 6550  df-f1o 6551  df-fv 6552  df-ov 7412  df-om 7856  df-2nd 7976  df-frecs 8266  df-wrecs 8297  df-recs 8371  df-rdg 8410  df-1o 8466  df-wun 10697
This theorem is referenced by:  wunex  10734  wuncval2  10742
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