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Theorem ptcmplem3 24373
Description: Lemma for ptcmp 24377. (Contributed by Mario Carneiro, 26-Aug-2015.)
Hypotheses
Ref Expression
ptcmp.1 𝑆 = (𝑘 ∈ 𝐴, 𝑢 ∈ (𝐹‘𝑘) ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢))
ptcmp.2 𝑋 = X𝑛 ∈ 𝐴 ∪ (𝐹‘𝑛)
ptcmp.3 (𝜑 → 𝐴 ∈ 𝑉)
ptcmp.4 (𝜑 → 𝐹:𝐴⟶Comp)
ptcmp.5 (𝜑 → 𝑋 ∈ (UFL ∩ dom card))
ptcmplem2.5 (𝜑 → 𝑈 ⊆ ran 𝑆)
ptcmplem2.6 (𝜑 → 𝑋 = ∪ 𝑈)
ptcmplem2.7 (𝜑 → ¬ ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
ptcmplem3.8 𝐾 = {𝑢 ∈ (𝐹‘𝑘) ∣ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢) ∈ 𝑈}
Assertion
Ref Expression
ptcmplem3 (𝜑 → ∃𝑓(𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
Distinct variable groups:   𝑓,𝑘,𝑛,𝑢,𝑤,𝑧,𝐴   𝑓,𝐾,𝑢   𝑆,𝑘,𝑛,𝑢,𝑧   𝜑,𝑓,𝑘,𝑛,𝑢   𝑈,𝑘,𝑢,𝑧   𝑘,𝑉,𝑛,𝑢,𝑤,𝑧   𝑓,𝐹,𝑘,𝑛,𝑢,𝑤,𝑧   𝑓,𝑋,𝑘,𝑛,𝑢,𝑤,𝑧
Allowed substitution hints:   𝜑(𝑧, 𝑤)   𝑆(𝑤, 𝑓)   𝑈(𝑤, 𝑓, 𝑛)   𝐾(𝑧, 𝑤, 𝑘, 𝑛)   𝑉(𝑓)

Proof of Theorem ptcmplem3
Dummy variables 𝑔 𝑚 𝑡 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ptcmp.3 . . . 4 (𝜑 → 𝐴 ∈ 𝑉)
2 rabexg 5299 . . . 4 (𝐴 ∈ 𝑉 → {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} ∈ V)
31, 2syl 18 . . 3 (𝜑 → {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} ∈ V)
4 ptcmp.1 . . . . 5 𝑆 = (𝑘 ∈ 𝐴, 𝑢 ∈ (𝐹‘𝑘) ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢))
5 ptcmp.2 . . . . 5 𝑋 = X𝑛 ∈ 𝐴 ∪ (𝐹‘𝑛)
6 ptcmp.4 . . . . 5 (𝜑 → 𝐹:𝐴⟶Comp)
7 ptcmp.5 . . . . 5 (𝜑 → 𝑋 ∈ (UFL ∩ dom card))
8 ptcmplem2.5 . . . . 5 (𝜑 → 𝑈 ⊆ ran 𝑆)
9 ptcmplem2.6 . . . . 5 (𝜑 → 𝑋 = ∪ 𝑈)
10 ptcmplem2.7 . . . . 5 (𝜑 → ¬ ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
114, 5, 1, 6, 7, 8, 9, 10ptcmplem2 24372 . . . 4 (𝜑 → ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∪ (𝐹‘𝑘) ∈ dom card)
12 eldifi 4078 . . . . . . . 8 (𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) → 𝑦 ∈ ∪ (𝐹‘𝑘))
13123ad2ant3 1153 . . . . . . 7 ((𝜑 ∧ 𝑦 ∈ V ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → 𝑦 ∈ ∪ (𝐹‘𝑘))
1413rabssdv 4022 . . . . . 6 (𝜑 → {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ (𝐹‘𝑘))
1514ralrimivw 3159 . . . . 5 (𝜑 → ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ (𝐹‘𝑘))
16 ss2iun 4970 . . . . 5 (∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ (𝐹‘𝑘) → ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∪ (𝐹‘𝑘))
1715, 16syl 18 . . . 4 (𝜑 → ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∪ (𝐹‘𝑘))
18 ssnum 10118 . . . 4 ((∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∪ (𝐹‘𝑘) ∈ dom card ∧ ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ⊆ ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∪ (𝐹‘𝑘)) → ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ∈ dom card)
1911, 17, 18syl2anc 596 . . 3 (𝜑 → ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ∈ dom card)
20 elrabi 3641 . . . . 5 (𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} → 𝑘 ∈ 𝐴)
2110adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ 𝐴) → ¬ ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
22 ssdif0 4314 . . . . . . . . 9 (∪ (𝐹‘𝑘) ⊆ ∪ 𝐾 ↔ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) = ∅)
236ffvelcdmda 7084 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐹‘𝑘) ∈ Comp)
2423adantr 486 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → (𝐹‘𝑘) ∈ Comp)
25 ptcmplem3.8 . . . . . . . . . . . . . 14 𝐾 = {𝑢 ∈ (𝐹‘𝑘) ∣ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢) ∈ 𝑈}
2625ssrab3 4030 . . . . . . . . . . . . 13 𝐾 ⊆ (𝐹‘𝑘)
2726a1i 11 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → 𝐾 ⊆ (𝐹‘𝑘))
28 simpr 490 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾)
29 uniss 4875 . . . . . . . . . . . . . 14 (𝐾 ⊆ (𝐹‘𝑘) → ∪ 𝐾 ⊆ ∪ (𝐹‘𝑘))
3026, 29mp1i 14 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → ∪ 𝐾 ⊆ ∪ (𝐹‘𝑘))
3128, 30eqssd 3948 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → ∪ (𝐹‘𝑘) = ∪ 𝐾)
32 eqid 2761 . . . . . . . . . . . . 13 ∪ (𝐹‘𝑘) = ∪ (𝐹‘𝑘)
3332cmpcov 23707 . . . . . . . . . . . 12 (((𝐹‘𝑘) ∈ Comp ∧ 𝐾 ⊆ (𝐹‘𝑘) ∧ ∪ (𝐹‘𝑘) = ∪ 𝐾) → ∃𝑡 ∈ (𝒫 𝐾 ∩ Fin)∪ (𝐹‘𝑘) = ∪ 𝑡)
3424, 27, 31, 33syl3anc 1398 . . . . . . . . . . 11 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → ∃𝑡 ∈ (𝒫 𝐾 ∩ Fin)∪ (𝐹‘𝑘) = ∪ 𝑡)
35 elfpw 9343 . . . . . . . . . . . . . . . . . . 19 (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ↔ (𝑡 ⊆ 𝐾 ∧ 𝑡 ∈ Fin))
3635simplbi 502 . . . . . . . . . . . . . . . . . 18 (𝑡 ∈ (𝒫 𝐾 ∩ Fin) → 𝑡 ⊆ 𝐾)
3736ad2antrl 741 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑡 ⊆ 𝐾)
3837sselda 3931 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑥 ∈ 𝑡) → 𝑥 ∈ 𝐾)
39 imaeq2 6048 . . . . . . . . . . . . . . . . . . 19 (𝑢 = 𝑥 → (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢) = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
4039eleq1d 2846 . . . . . . . . . . . . . . . . . 18 (𝑢 = 𝑥 → ((◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑢) ∈ 𝑈 ↔ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈))
4140, 25elrab2 3649 . . . . . . . . . . . . . . . . 17 (𝑥 ∈ 𝐾 ↔ (𝑥 ∈ (𝐹‘𝑘) ∧ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈))
4241simprbi 503 . . . . . . . . . . . . . . . 16 (𝑥 ∈ 𝐾 → (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈)
4338, 42syl 18 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑥 ∈ 𝑡) → (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈)
4443fmpttd 7115 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)):𝑡⟶𝑈)
4544frnd 6718 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ⊆ 𝑈)
4635simprbi 503 . . . . . . . . . . . . . . 15 (𝑡 ∈ (𝒫 𝐾 ∩ Fin) → 𝑡 ∈ Fin)
4746ad2antrl 741 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑡 ∈ Fin)
48 eqid 2761 . . . . . . . . . . . . . . . 16 (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) = (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
4948rnmpt 5939 . . . . . . . . . . . . . . 15 ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) = {𝑓 ∣ ∃𝑥 ∈ 𝑡 𝑓 = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)}
50 abrexfi 9341 . . . . . . . . . . . . . . 15 (𝑡 ∈ Fin → {𝑓 ∣ ∃𝑥 ∈ 𝑡 𝑓 = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)} ∈ Fin)
5149, 50eqeltrid 2865 . . . . . . . . . . . . . 14 (𝑡 ∈ Fin → ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ Fin)
5247, 51syl 18 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ Fin)
53 elfpw 9343 . . . . . . . . . . . . 13 (ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ (𝒫 𝑈 ∩ Fin) ↔ (ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ⊆ 𝑈 ∧ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ Fin))
5445, 52, 53sylanbrc 595 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ (𝒫 𝑈 ∩ Fin))
55 fveq2 6885 . . . . . . . . . . . . . . . . . . . . . 22 (𝑛 = 𝑘 → (𝑓‘𝑛) = (𝑓‘𝑘))
56 fveq2 6885 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑛 = 𝑘 → (𝐹‘𝑛) = (𝐹‘𝑘))
5756unieqd 4880 . . . . . . . . . . . . . . . . . . . . . 22 (𝑛 = 𝑘 → ∪ (𝐹‘𝑛) = ∪ (𝐹‘𝑘))
5855, 57eleq12d 2855 . . . . . . . . . . . . . . . . . . . . 21 (𝑛 = 𝑘 → ((𝑓‘𝑛) ∈ ∪ (𝐹‘𝑛) ↔ (𝑓‘𝑘) ∈ ∪ (𝐹‘𝑘)))
59 simpr 490 . . . . . . . . . . . . . . . . . . . . . . 23 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → 𝑓 ∈ 𝑋)
6059, 5eleqtrdi 2871 . . . . . . . . . . . . . . . . . . . . . 22 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → 𝑓 ∈ X𝑛 ∈ 𝐴 ∪ (𝐹‘𝑛))
61 vex 3455 . . . . . . . . . . . . . . . . . . . . . . . 24 𝑓 ∈ V
6261elixp 8932 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑓 ∈ X𝑛 ∈ 𝐴 ∪ (𝐹‘𝑛) ↔ (𝑓 Fn 𝐴 ∧ ∀𝑛 ∈ 𝐴 (𝑓‘𝑛) ∈ ∪ (𝐹‘𝑛)))
6362simprbi 503 . . . . . . . . . . . . . . . . . . . . . 22 (𝑓 ∈ X𝑛 ∈ 𝐴 ∪ (𝐹‘𝑛) → ∀𝑛 ∈ 𝐴 (𝑓‘𝑛) ∈ ∪ (𝐹‘𝑛))
6460, 63syl 18 . . . . . . . . . . . . . . . . . . . . 21 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → ∀𝑛 ∈ 𝐴 (𝑓‘𝑛) ∈ ∪ (𝐹‘𝑛))
65 simp-4r 796 . . . . . . . . . . . . . . . . . . . . 21 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → 𝑘 ∈ 𝐴)
6658, 64, 65rspcdva 3578 . . . . . . . . . . . . . . . . . . . 20 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → (𝑓‘𝑘) ∈ ∪ (𝐹‘𝑘))
67 simplrr 790 . . . . . . . . . . . . . . . . . . . 20 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → ∪ (𝐹‘𝑘) = ∪ 𝑡)
6866, 67eleqtrd 2863 . . . . . . . . . . . . . . . . . . 19 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → (𝑓‘𝑘) ∈ ∪ 𝑡)
69 eluni2 4871 . . . . . . . . . . . . . . . . . . 19 ((𝑓‘𝑘) ∈ ∪ 𝑡 ↔ ∃𝑥 ∈ 𝑡 (𝑓‘𝑘) ∈ 𝑥)
7068, 69sylib 221 . . . . . . . . . . . . . . . . . 18 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → ∃𝑥 ∈ 𝑡 (𝑓‘𝑘) ∈ 𝑥)
71 fveq1 6884 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑤 = 𝑓 → (𝑤‘𝑘) = (𝑓‘𝑘))
7271eleq1d 2846 . . . . . . . . . . . . . . . . . . . . . 22 (𝑤 = 𝑓 → ((𝑤‘𝑘) ∈ 𝑥 ↔ (𝑓‘𝑘) ∈ 𝑥))
73 eqid 2761 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) = (𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘))
7473mptpreima 6239 . . . . . . . . . . . . . . . . . . . . . 22 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) = {𝑤 ∈ 𝑋 ∣ (𝑤‘𝑘) ∈ 𝑥}
7572, 74elrab2 3649 . . . . . . . . . . . . . . . . . . . . 21 (𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ↔ (𝑓 ∈ 𝑋 ∧ (𝑓‘𝑘) ∈ 𝑥))
7675baib 545 . . . . . . . . . . . . . . . . . . . 20 (𝑓 ∈ 𝑋 → (𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ↔ (𝑓‘𝑘) ∈ 𝑥))
7776ad2antlr 740 . . . . . . . . . . . . . . . . . . 19 ((((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) ∧ 𝑥 ∈ 𝑡) → (𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ↔ (𝑓‘𝑘) ∈ 𝑥))
7877rexbidva 3185 . . . . . . . . . . . . . . . . . 18 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → (∃𝑥 ∈ 𝑡 𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ↔ ∃𝑥 ∈ 𝑡 (𝑓‘𝑘) ∈ 𝑥))
7970, 78mpbird 260 . . . . . . . . . . . . . . . . 17 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → ∃𝑥 ∈ 𝑡 𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
80 eliun 4955 . . . . . . . . . . . . . . . . 17 (𝑓 ∈ ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ↔ ∃𝑥 ∈ 𝑡 𝑓 ∈ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
8179, 80sylibr 237 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) ∧ 𝑓 ∈ 𝑋) → 𝑓 ∈ ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
8281ex 418 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → (𝑓 ∈ 𝑋 → 𝑓 ∈ ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)))
8382ssrdv 3937 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑋 ⊆ ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))
8443ralrimiva 3155 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∀𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈)
85 dfiun2g 4988 . . . . . . . . . . . . . . . 16 (∀𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) ∈ 𝑈 → ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) = ∪ {𝑓 ∣ ∃𝑥 ∈ 𝑡 𝑓 = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)})
8684, 85syl 18 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) = ∪ {𝑓 ∣ ∃𝑥 ∈ 𝑡 𝑓 = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)})
8749unieqi 4879 . . . . . . . . . . . . . . 15 ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) = ∪ {𝑓 ∣ ∃𝑥 ∈ 𝑡 𝑓 = (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)}
8886, 87eqtr4di 2814 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∪ 𝑥 ∈ 𝑡 (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥) = ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)))
8983, 88sseqtrd 3967 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑋 ⊆ ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)))
9045unissd 4877 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ⊆ ∪ 𝑈)
919ad3antrrr 743 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑋 = ∪ 𝑈)
9290, 91sseqtrrd 3968 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ⊆ 𝑋)
9389, 92eqssd 3948 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → 𝑋 = ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)))
94 unieq 4878 . . . . . . . . . . . . 13 (𝑧 = ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) → ∪ 𝑧 = ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)))
9594rspceeqv 3599 . . . . . . . . . . . 12 ((ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥)) ∈ (𝒫 𝑈 ∩ Fin) ∧ 𝑋 = ∪ ran (𝑥 ∈ 𝑡 ↦ (◡(𝑤 ∈ 𝑋 ↦ (𝑤‘𝑘)) “ 𝑥))) → ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
9654, 93, 95syl2anc 596 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) ∧ (𝑡 ∈ (𝒫 𝐾 ∩ Fin) ∧ ∪ (𝐹‘𝑘) = ∪ 𝑡)) → ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
9734, 96rexlimddv 3170 . . . . . . . . . 10 (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ ∪ (𝐹‘𝑘) ⊆ ∪ 𝐾) → ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧)
9897ex 418 . . . . . . . . 9 ((𝜑 ∧ 𝑘 ∈ 𝐴) → (∪ (𝐹‘𝑘) ⊆ ∪ 𝐾 → ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧))
9922, 98biimtrrid 246 . . . . . . . 8 ((𝜑 ∧ 𝑘 ∈ 𝐴) → ((∪ (𝐹‘𝑘) ∖ ∪ 𝐾) = ∅ → ∃𝑧 ∈ (𝒫 𝑈 ∩ Fin)𝑋 = ∪ 𝑧))
10021, 99mtod 201 . . . . . . 7 ((𝜑 ∧ 𝑘 ∈ 𝐴) → ¬ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) = ∅)
101 neq0 4299 . . . . . . 7 (¬ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) = ∅ ↔ ∃𝑦 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
102100, 101sylib 221 . . . . . 6 ((𝜑 ∧ 𝑘 ∈ 𝐴) → ∃𝑦 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
103 rexv 3478 . . . . . 6 (∃𝑦 ∈ V 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ ∃𝑦 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
104102, 103sylibr 237 . . . . 5 ((𝜑 ∧ 𝑘 ∈ 𝐴) → ∃𝑦 ∈ V 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
10520, 104sylan2 605 . . . 4 ((𝜑 ∧ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}) → ∃𝑦 ∈ V 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
106105ralrimiva 3155 . . 3 (𝜑 → ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∃𝑦 ∈ V 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
107 eleq1 2849 . . . 4 (𝑦 = (𝑔‘𝑘) → (𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
108107ac6num 10557 . . 3 (({𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} ∈ V ∧ ∪ 𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} {𝑦 ∈ V ∣ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)} ∈ dom card ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}∃𝑦 ∈ V 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∃𝑔(𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
1093, 19, 106, 108syl3anc 1398 . 2 (𝜑 → ∃𝑔(𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
1101adantr 486 . . . 4 ((𝜑 ∧ (𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))) → 𝐴 ∈ 𝑉)
111110mptexd 7230 . . 3 ((𝜑 ∧ (𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))) → (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) ∈ V)
112 fvex 6898 . . . . . . . 8 (𝐹‘𝑚) ∈ V
113112uniex 7758 . . . . . . 7 ∪ (𝐹‘𝑚) ∈ V
114113uniex 7758 . . . . . 6 ∪ ∪ (𝐹‘𝑚) ∈ V
115 fvex 6898 . . . . . 6 (𝑔‘𝑚) ∈ V
116114, 115ifex 4533 . . . . 5 if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)) ∈ V
117116rgenw 3081 . . . 4 ∀𝑚 ∈ 𝐴 if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)) ∈ V
118 eqid 2761 . . . . 5 (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)))
119118fnmpt 6679 . . . 4 (∀𝑚 ∈ 𝐴 if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)) ∈ V → (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴)
120117, 119mp1i 14 . . 3 ((𝜑 ∧ (𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))) → (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴)
12157breq1d 5113 . . . . . . 7 (𝑛 = 𝑘 → (∪ (𝐹‘𝑛) ≈ 1o ↔ ∪ (𝐹‘𝑘) ≈ 1o))
122121notbid 321 . . . . . 6 (𝑛 = 𝑘 → (¬ ∪ (𝐹‘𝑛) ≈ 1o ↔ ¬ ∪ (𝐹‘𝑘) ≈ 1o))
123122ralrab 3652 . . . . 5 (∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ ∀𝑘 ∈ 𝐴 (¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
124 iftrue 4488 . . . . . . . . . . 11 (∪ (𝐹‘𝑘) ≈ 1o → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) = ∪ ∪ (𝐹‘𝑘))
125124ad2antll 742 . . . . . . . . . 10 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) = ∪ ∪ (𝐹‘𝑘))
126102adantrr 730 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → ∃𝑦 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
12712adantl 487 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → 𝑦 ∈ ∪ (𝐹‘𝑘))
128 simplrr 790 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∪ (𝐹‘𝑘) ≈ 1o)
129 en1b 9052 . . . . . . . . . . . . . . . 16 (∪ (𝐹‘𝑘) ≈ 1o ↔ ∪ (𝐹‘𝑘) = {∪ ∪ (𝐹‘𝑘)})
130128, 129sylib 221 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∪ (𝐹‘𝑘) = {∪ ∪ (𝐹‘𝑘)})
131127, 130eleqtrd 2863 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → 𝑦 ∈ {∪ ∪ (𝐹‘𝑘)})
132 elsni 4601 . . . . . . . . . . . . . 14 (𝑦 ∈ {∪ ∪ (𝐹‘𝑘)} → 𝑦 = ∪ ∪ (𝐹‘𝑘))
133131, 132syl 18 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → 𝑦 = ∪ ∪ (𝐹‘𝑘))
134 simpr 490 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
135133, 134eqeltrrd 2862 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) ∧ 𝑦 ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∪ ∪ (𝐹‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
136126, 135exlimddv 1968 . . . . . . . . . . 11 ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → ∪ ∪ (𝐹‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
137136adantlr 728 . . . . . . . . . 10 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → ∪ ∪ (𝐹‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
138125, 137eqeltrd 2861 . . . . . . . . 9 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
139138a1d 26 . . . . . . . 8 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ (𝑘 ∈ 𝐴 ∧ ∪ (𝐹‘𝑘) ≈ 1o)) → ((¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
140139expr 462 . . . . . . 7 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ 𝑘 ∈ 𝐴) → (∪ (𝐹‘𝑘) ≈ 1o → ((¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))))
141 pm2.27 43 . . . . . . . 8 (¬ ∪ (𝐹‘𝑘) ≈ 1o → ((¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
142 iffalse 4491 . . . . . . . . 9 (¬ ∪ (𝐹‘𝑘) ≈ 1o → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) = (𝑔‘𝑘))
143142eleq1d 2846 . . . . . . . 8 (¬ ∪ (𝐹‘𝑘) ≈ 1o → (if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
144141, 143sylibrd 262 . . . . . . 7 (¬ ∪ (𝐹‘𝑘) ≈ 1o → ((¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
145140, 144pm2.61d1 182 . . . . . 6 (((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) ∧ 𝑘 ∈ 𝐴) → ((¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
146145ralimdva 3175 . . . . 5 ((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) → (∀𝑘 ∈ 𝐴 (¬ ∪ (𝐹‘𝑘) ≈ 1o → (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
147123, 146biimtrid 245 . . . 4 ((𝜑 ∧ 𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V) → (∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) → ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
148147impr 460 . . 3 ((𝜑 ∧ (𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))) → ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))
149 fneq1 6630 . . . . . 6 (𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) → (𝑓 Fn 𝐴 ↔ (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴))
150 fveq1 6884 . . . . . . . . 9 (𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) → (𝑓‘𝑘) = ((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)))‘𝑘))
151 fveq2 6885 . . . . . . . . . . . . 13 (𝑚 = 𝑘 → (𝐹‘𝑚) = (𝐹‘𝑘))
152151unieqd 4880 . . . . . . . . . . . 12 (𝑚 = 𝑘 → ∪ (𝐹‘𝑚) = ∪ (𝐹‘𝑘))
153152breq1d 5113 . . . . . . . . . . 11 (𝑚 = 𝑘 → (∪ (𝐹‘𝑚) ≈ 1o ↔ ∪ (𝐹‘𝑘) ≈ 1o))
154152unieqd 4880 . . . . . . . . . . 11 (𝑚 = 𝑘 → ∪ ∪ (𝐹‘𝑚) = ∪ ∪ (𝐹‘𝑘))
155 fveq2 6885 . . . . . . . . . . 11 (𝑚 = 𝑘 → (𝑔‘𝑚) = (𝑔‘𝑘))
156153, 154, 155ifbieq12d 4511 . . . . . . . . . 10 (𝑚 = 𝑘 → if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)) = if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)))
157 fvex 6898 . . . . . . . . . . . . 13 (𝐹‘𝑘) ∈ V
158157uniex 7758 . . . . . . . . . . . 12 ∪ (𝐹‘𝑘) ∈ V
159158uniex 7758 . . . . . . . . . . 11 ∪ ∪ (𝐹‘𝑘) ∈ V
160 fvex 6898 . . . . . . . . . . 11 (𝑔‘𝑘) ∈ V
161159, 160ifex 4533 . . . . . . . . . 10 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ V
162156, 118, 161fvmpt 6993 . . . . . . . . 9 (𝑘 ∈ 𝐴 → ((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚)))‘𝑘) = if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)))
163150, 162sylan9eq 2816 . . . . . . . 8 ((𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) ∧ 𝑘 ∈ 𝐴) → (𝑓‘𝑘) = if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)))
164163eleq1d 2846 . . . . . . 7 ((𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) ∧ 𝑘 ∈ 𝐴) → ((𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
165164ralbidva 3184 . . . . . 6 (𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) → (∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾) ↔ ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
166149, 165anbi12d 644 . . . . 5 (𝑓 = (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) → ((𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) ↔ ((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))))
167166spcegv 3552 . . . 4 ((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) ∈ V → (((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∃𝑓(𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))))
1681673impib 1134 . . 3 (((𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) ∈ V ∧ (𝑚 ∈ 𝐴 ↦ if(∪ (𝐹‘𝑚) ≈ 1o, ∪ ∪ (𝐹‘𝑚), (𝑔‘𝑚))) Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 if(∪ (𝐹‘𝑘) ≈ 1o, ∪ ∪ (𝐹‘𝑘), (𝑔‘𝑘)) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)) → ∃𝑓(𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
169111, 120, 148, 168syl3anc 1398 . 2 ((𝜑 ∧ (𝑔:{𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o}⟶V ∧ ∀𝑘 ∈ {𝑛 ∈ 𝐴 ∣ ¬ ∪ (𝐹‘𝑛) ≈ 1o} (𝑔‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾))) → ∃𝑓(𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
170109, 169exlimddv 1968 1 (𝜑 → ∃𝑓(𝑓 Fn 𝐴 ∧ ∀𝑘 ∈ 𝐴 (𝑓‘𝑘) ∈ (∪ (𝐹‘𝑘) ∖ ∪ 𝐾)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570  ∃wex 1812   ∈ wcel 2145  {cab 2739  ∀wral 3077  ∃wrex 3087  {crab 3413  Vcvv 3451   ∖ cdif 3896   ∩ cin 3898   ⊆ wss 3899  ∅c0 4279  ifcif 4482  𝒫 cpw 4557  {csn 4584  ∪ cuni 4867  ∪ ciun 4951   class class class wbr 5103   ↦ cmpt 5186  ◡ccnv 5650  dom cdm 5651  ran crn 5652   “ cima 5654   Fn wfn 6533  ⟶wf 6534  ‘cfv 6538   ∈ cmpo 7422  1oc1o 8469  Xcixp 8925   ≈ cen 8970  Fincfn 8973  cardccrd 10016  Compccmp 23704  UFLcufl 24219
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-se 5605  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-isom 6547  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7878  df-1st 8001  df-2nd 8002  df-frecs 8299  df-wrecs 8330  df-recs 8379  df-rdg 8418  df-1o 8476  df-oadd 8480  df-omul 8481  df-er 8717  df-map 8849  df-ixp 8926  df-en 8974  df-dom 8975  df-fin 8977  df-wdom 9559  df-card 10020  df-acn 10023  df-cmp 23705
This theorem is used by:  ptcmplem4  24374
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