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Theorem tfr1onlembxssdm 6062
Description: Lemma for tfr1on 6069. The union of 𝐵 is defined on all elements of 𝑋. (Contributed by Jim Kingdon, 14-Mar-2022.)
Hypotheses
Ref Expression
tfr1on.f 𝐹 = recs(𝐺)
tfr1on.g (𝜑 → Fun 𝐺)
tfr1on.x (𝜑 → Ord 𝑋)
tfr1on.ex ((𝜑𝑥𝑋𝑓 Fn 𝑥) → (𝐺𝑓) ∈ V)
tfr1onlemsucfn.1 𝐴 = {𝑓 ∣ ∃𝑥𝑋 (𝑓 Fn 𝑥 ∧ ∀𝑦𝑥 (𝑓𝑦) = (𝐺‘(𝑓𝑦)))}
tfr1onlembacc.3 𝐵 = { ∣ ∃𝑧𝐷𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))}
tfr1onlembacc.u ((𝜑𝑥 𝑋) → suc 𝑥𝑋)
tfr1onlembacc.4 (𝜑𝐷𝑋)
tfr1onlembacc.5 (𝜑 → ∀𝑧𝐷𝑔(𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))))
Assertion
Ref Expression
tfr1onlembxssdm (𝜑𝐷 ⊆ dom 𝐵)
Distinct variable groups:   𝐴,𝑓,𝑔,,𝑥,𝑧   𝐷,𝑓,𝑔,𝑥   𝑓,𝐺,𝑥,𝑦   𝑓,𝑋,𝑥   𝜑,𝑓,𝑔,,𝑥,𝑧   𝑦,𝑔,𝑧   𝐵,𝑔,,𝑧   𝑤,𝐵,𝑔,𝑧   𝐷,,𝑧   ,𝐺,𝑧   𝑤,𝐺,𝑓,𝑥,𝑦   𝑔,𝑋,𝑧
Allowed substitution hints:   𝜑(𝑦,𝑤)   𝐴(𝑦,𝑤)   𝐵(𝑥,𝑦,𝑓)   𝐷(𝑦,𝑤)   𝐹(𝑥,𝑦,𝑧,𝑤,𝑓,𝑔,)   𝐺(𝑔)   𝑋(𝑦,𝑤,)

Proof of Theorem tfr1onlembxssdm
StepHypRef Expression
1 tfr1onlembacc.5 . . 3 (𝜑 → ∀𝑧𝐷𝑔(𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))))
2 simp1 941 . . . . . . . 8 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝜑)
3 simp2 942 . . . . . . . . 9 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝑧𝐷)
4 tfr1onlembacc.4 . . . . . . . . . 10 (𝜑𝐷𝑋)
52, 4syl 14 . . . . . . . . 9 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝐷𝑋)
6 tfr1on.x . . . . . . . . . . 11 (𝜑 → Ord 𝑋)
7 ordtr1 4189 . . . . . . . . . . 11 (Ord 𝑋 → ((𝑧𝐷𝐷𝑋) → 𝑧𝑋))
86, 7syl 14 . . . . . . . . . 10 (𝜑 → ((𝑧𝐷𝐷𝑋) → 𝑧𝑋))
98imp 122 . . . . . . . . 9 ((𝜑 ∧ (𝑧𝐷𝐷𝑋)) → 𝑧𝑋)
102, 3, 5, 9syl12anc 1170 . . . . . . . 8 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝑧𝑋)
11 simp3l 969 . . . . . . . 8 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝑔 Fn 𝑧)
12 fneq2 5068 . . . . . . . . . . . . 13 (𝑥 = 𝑧 → (𝑓 Fn 𝑥𝑓 Fn 𝑧))
1312imbi1d 229 . . . . . . . . . . . 12 (𝑥 = 𝑧 → ((𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V) ↔ (𝑓 Fn 𝑧 → (𝐺𝑓) ∈ V)))
1413albidv 1749 . . . . . . . . . . 11 (𝑥 = 𝑧 → (∀𝑓(𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V) ↔ ∀𝑓(𝑓 Fn 𝑧 → (𝐺𝑓) ∈ V)))
15 tfr1on.ex . . . . . . . . . . . . . . 15 ((𝜑𝑥𝑋𝑓 Fn 𝑥) → (𝐺𝑓) ∈ V)
16153expia 1143 . . . . . . . . . . . . . 14 ((𝜑𝑥𝑋) → (𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V))
1716alrimiv 1799 . . . . . . . . . . . . 13 ((𝜑𝑥𝑋) → ∀𝑓(𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V))
1817ralrimiva 2442 . . . . . . . . . . . 12 (𝜑 → ∀𝑥𝑋𝑓(𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V))
1918adantr 270 . . . . . . . . . . 11 ((𝜑𝑧𝑋) → ∀𝑥𝑋𝑓(𝑓 Fn 𝑥 → (𝐺𝑓) ∈ V))
20 simpr 108 . . . . . . . . . . 11 ((𝜑𝑧𝑋) → 𝑧𝑋)
2114, 19, 20rspcdva 2720 . . . . . . . . . 10 ((𝜑𝑧𝑋) → ∀𝑓(𝑓 Fn 𝑧 → (𝐺𝑓) ∈ V))
22 fneq1 5067 . . . . . . . . . . . 12 (𝑓 = 𝑔 → (𝑓 Fn 𝑧𝑔 Fn 𝑧))
23 fveq2 5268 . . . . . . . . . . . . 13 (𝑓 = 𝑔 → (𝐺𝑓) = (𝐺𝑔))
2423eleq1d 2153 . . . . . . . . . . . 12 (𝑓 = 𝑔 → ((𝐺𝑓) ∈ V ↔ (𝐺𝑔) ∈ V))
2522, 24imbi12d 232 . . . . . . . . . . 11 (𝑓 = 𝑔 → ((𝑓 Fn 𝑧 → (𝐺𝑓) ∈ V) ↔ (𝑔 Fn 𝑧 → (𝐺𝑔) ∈ V)))
2625spv 1785 . . . . . . . . . 10 (∀𝑓(𝑓 Fn 𝑧 → (𝐺𝑓) ∈ V) → (𝑔 Fn 𝑧 → (𝐺𝑔) ∈ V))
2721, 26syl 14 . . . . . . . . 9 ((𝜑𝑧𝑋) → (𝑔 Fn 𝑧 → (𝐺𝑔) ∈ V))
2827imp 122 . . . . . . . 8 (((𝜑𝑧𝑋) ∧ 𝑔 Fn 𝑧) → (𝐺𝑔) ∈ V)
292, 10, 11, 28syl21anc 1171 . . . . . . 7 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → (𝐺𝑔) ∈ V)
30 vex 2618 . . . . . . . . . 10 𝑧 ∈ V
31 opexg 4029 . . . . . . . . . 10 ((𝑧 ∈ V ∧ (𝐺𝑔) ∈ V) → ⟨𝑧, (𝐺𝑔)⟩ ∈ V)
3230, 29, 31sylancr 405 . . . . . . . . 9 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ⟨𝑧, (𝐺𝑔)⟩ ∈ V)
33 snidg 3456 . . . . . . . . 9 (⟨𝑧, (𝐺𝑔)⟩ ∈ V → ⟨𝑧, (𝐺𝑔)⟩ ∈ {⟨𝑧, (𝐺𝑔)⟩})
34 elun2 3157 . . . . . . . . 9 (⟨𝑧, (𝐺𝑔)⟩ ∈ {⟨𝑧, (𝐺𝑔)⟩} → ⟨𝑧, (𝐺𝑔)⟩ ∈ (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))
3532, 33, 343syl 17 . . . . . . . 8 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ⟨𝑧, (𝐺𝑔)⟩ ∈ (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))
36 simp3r 970 . . . . . . . . . . . 12 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))
37 rspe 2420 . . . . . . . . . . . 12 ((𝑧𝑋 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ∃𝑧𝑋 (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))))
3810, 11, 36, 37syl12anc 1170 . . . . . . . . . . 11 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ∃𝑧𝑋 (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))))
39 vex 2618 . . . . . . . . . . . 12 𝑔 ∈ V
40 tfr1onlemsucfn.1 . . . . . . . . . . . . 13 𝐴 = {𝑓 ∣ ∃𝑥𝑋 (𝑓 Fn 𝑥 ∧ ∀𝑦𝑥 (𝑓𝑦) = (𝐺‘(𝑓𝑦)))}
4140tfr1onlem3ag 6056 . . . . . . . . . . . 12 (𝑔 ∈ V → (𝑔𝐴 ↔ ∃𝑧𝑋 (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))))
4239, 41ax-mp 7 . . . . . . . . . . 11 (𝑔𝐴 ↔ ∃𝑧𝑋 (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))))
4338, 42sylibr 132 . . . . . . . . . 10 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝑔𝐴)
443, 11, 433jca 1121 . . . . . . . . 9 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → (𝑧𝐷𝑔 Fn 𝑧𝑔𝐴))
45 snexg 3993 . . . . . . . . . . 11 (⟨𝑧, (𝐺𝑔)⟩ ∈ V → {⟨𝑧, (𝐺𝑔)⟩} ∈ V)
46 unexg 4242 . . . . . . . . . . . 12 ((𝑔 ∈ V ∧ {⟨𝑧, (𝐺𝑔)⟩} ∈ V) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ V)
4739, 46mpan 415 . . . . . . . . . . 11 ({⟨𝑧, (𝐺𝑔)⟩} ∈ V → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ V)
4832, 45, 473syl 17 . . . . . . . . . 10 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ V)
49 isset 2619 . . . . . . . . . 10 ((𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ V ↔ ∃ = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))
5048, 49sylib 120 . . . . . . . . 9 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ∃ = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))
51 simpr3 949 . . . . . . . . . . . . 13 ((𝑧𝐷 ∧ (𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))) → = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))
52 19.8a 1525 . . . . . . . . . . . . . 14 ((𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩})) → ∃𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩})))
53 rspe 2420 . . . . . . . . . . . . . . 15 ((𝑧𝐷 ∧ ∃𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))) → ∃𝑧𝐷𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩})))
54 tfr1onlembacc.3 . . . . . . . . . . . . . . . 16 𝐵 = { ∣ ∃𝑧𝐷𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))}
5554abeq2i 2195 . . . . . . . . . . . . . . 15 (𝐵 ↔ ∃𝑧𝐷𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩})))
5653, 55sylibr 132 . . . . . . . . . . . . . 14 ((𝑧𝐷 ∧ ∃𝑔(𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))) → 𝐵)
5752, 56sylan2 280 . . . . . . . . . . . . 13 ((𝑧𝐷 ∧ (𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))) → 𝐵)
5851, 57eqeltrrd 2162 . . . . . . . . . . . 12 ((𝑧𝐷 ∧ (𝑔 Fn 𝑧𝑔𝐴 = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}))) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵)
59583exp2 1159 . . . . . . . . . . 11 (𝑧𝐷 → (𝑔 Fn 𝑧 → (𝑔𝐴 → ( = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵))))
60593imp 1135 . . . . . . . . . 10 ((𝑧𝐷𝑔 Fn 𝑧𝑔𝐴) → ( = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵))
6160exlimdv 1744 . . . . . . . . 9 ((𝑧𝐷𝑔 Fn 𝑧𝑔𝐴) → (∃ = (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵))
6244, 50, 61sylc 61 . . . . . . . 8 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵)
63 elunii 3641 . . . . . . . 8 ((⟨𝑧, (𝐺𝑔)⟩ ∈ (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∧ (𝑔 ∪ {⟨𝑧, (𝐺𝑔)⟩}) ∈ 𝐵) → ⟨𝑧, (𝐺𝑔)⟩ ∈ 𝐵)
6435, 62, 63syl2anc 403 . . . . . . 7 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → ⟨𝑧, (𝐺𝑔)⟩ ∈ 𝐵)
65 opeq2 3606 . . . . . . . . . 10 (𝑤 = (𝐺𝑔) → ⟨𝑧, 𝑤⟩ = ⟨𝑧, (𝐺𝑔)⟩)
6665eleq1d 2153 . . . . . . . . 9 (𝑤 = (𝐺𝑔) → (⟨𝑧, 𝑤⟩ ∈ 𝐵 ↔ ⟨𝑧, (𝐺𝑔)⟩ ∈ 𝐵))
6766spcegv 2700 . . . . . . . 8 ((𝐺𝑔) ∈ V → (⟨𝑧, (𝐺𝑔)⟩ ∈ 𝐵 → ∃𝑤𝑧, 𝑤⟩ ∈ 𝐵))
6830eldm2 4602 . . . . . . . 8 (𝑧 ∈ dom 𝐵 ↔ ∃𝑤𝑧, 𝑤⟩ ∈ 𝐵)
6967, 68syl6ibr 160 . . . . . . 7 ((𝐺𝑔) ∈ V → (⟨𝑧, (𝐺𝑔)⟩ ∈ 𝐵𝑧 ∈ dom 𝐵))
7029, 64, 69sylc 61 . . . . . 6 ((𝜑𝑧𝐷 ∧ (𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤)))) → 𝑧 ∈ dom 𝐵)
71703expia 1143 . . . . 5 ((𝜑𝑧𝐷) → ((𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))) → 𝑧 ∈ dom 𝐵))
7271exlimdv 1744 . . . 4 ((𝜑𝑧𝐷) → (∃𝑔(𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))) → 𝑧 ∈ dom 𝐵))
7372ralimdva 2437 . . 3 (𝜑 → (∀𝑧𝐷𝑔(𝑔 Fn 𝑧 ∧ ∀𝑤𝑧 (𝑔𝑤) = (𝐺‘(𝑔𝑤))) → ∀𝑧𝐷 𝑧 ∈ dom 𝐵))
741, 73mpd 13 . 2 (𝜑 → ∀𝑧𝐷 𝑧 ∈ dom 𝐵)
75 dfss3 3004 . 2 (𝐷 ⊆ dom 𝐵 ↔ ∀𝑧𝐷 𝑧 ∈ dom 𝐵)
7674, 75sylibr 132 1 (𝜑𝐷 ⊆ dom 𝐵)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 102  wb 103  w3a 922  wal 1285   = wceq 1287  wex 1424  wcel 1436  {cab 2071  wral 2355  wrex 2356  Vcvv 2615  cun 2986  wss 2988  {csn 3431  cop 3434   cuni 3636  Ord word 4163  suc csuc 4166  dom cdm 4411  cres 4413  Fun wfun 4975   Fn wfn 4976  cfv 4981  recscrecs 6023
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 663  ax-5 1379  ax-7 1380  ax-gen 1381  ax-ie1 1425  ax-ie2 1426  ax-8 1438  ax-10 1439  ax-11 1440  ax-i12 1441  ax-bndl 1442  ax-4 1443  ax-13 1447  ax-14 1448  ax-17 1462  ax-i9 1466  ax-ial 1470  ax-i5r 1471  ax-ext 2067  ax-sep 3932  ax-pow 3984  ax-pr 4010  ax-un 4234
This theorem depends on definitions:  df-bi 115  df-3an 924  df-tru 1290  df-nf 1393  df-sb 1690  df-clab 2072  df-cleq 2078  df-clel 2081  df-nfc 2214  df-ral 2360  df-rex 2361  df-v 2617  df-un 2992  df-in 2994  df-ss 3001  df-pw 3417  df-sn 3437  df-pr 3438  df-op 3440  df-uni 3637  df-br 3821  df-opab 3875  df-tr 3912  df-iord 4167  df-xp 4417  df-rel 4418  df-cnv 4419  df-co 4420  df-dm 4421  df-res 4423  df-iota 4946  df-fun 4983  df-fn 4984  df-fv 4989
This theorem is referenced by:  tfr1onlembfn  6063
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