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Theorem hauscmplem 23415
Description: Lemma for hauscmp 23416. (Contributed by Mario Carneiro, 27-Nov-2013.)
Hypotheses
Ref Expression
hauscmp.1 𝑋 = 𝐽
hauscmplem.2 𝑂 = {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))}
hauscmplem.3 (𝜑𝐽 ∈ Haus)
hauscmplem.4 (𝜑𝑆𝑋)
hauscmplem.5 (𝜑 → (𝐽t 𝑆) ∈ Comp)
hauscmplem.6 (𝜑𝐴 ∈ (𝑋𝑆))
Assertion
Ref Expression
hauscmplem (𝜑 → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
Distinct variable groups:   𝑦,𝑤,𝑧,𝐴   𝑤,𝐽,𝑦,𝑧   𝜑,𝑤,𝑦,𝑧   𝑤,𝑆,𝑦,𝑧   𝑧,𝑂   𝑤,𝑋,𝑦,𝑧
Allowed substitution hints:   𝑂(𝑦,𝑤)

Proof of Theorem hauscmplem
Dummy variables 𝑓 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 hauscmplem.3 . . . . . . 7 (𝜑𝐽 ∈ Haus)
2 haustop 23340 . . . . . . 7 (𝐽 ∈ Haus → 𝐽 ∈ Top)
31, 2syl 17 . . . . . 6 (𝜑𝐽 ∈ Top)
43ad3antrrr 730 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝐽 ∈ Top)
5 hauscmp.1 . . . . . 6 𝑋 = 𝐽
65topopn 22913 . . . . 5 (𝐽 ∈ Top → 𝑋𝐽)
74, 6syl 17 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑋𝐽)
8 hauscmplem.6 . . . . . 6 (𝜑𝐴 ∈ (𝑋𝑆))
98eldifad 3962 . . . . 5 (𝜑𝐴𝑋)
109ad3antrrr 730 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝐴𝑋)
115clstop 23078 . . . . . . 7 (𝐽 ∈ Top → ((cls‘𝐽)‘𝑋) = 𝑋)
124, 11syl 17 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = 𝑋)
13 simplr 768 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 𝑥)
14 unieq 4917 . . . . . . . . . . . 12 (𝑥 = ∅ → 𝑥 = ∅)
15 uni0 4934 . . . . . . . . . . . 12 ∅ = ∅
1614, 15eqtrdi 2792 . . . . . . . . . . 11 (𝑥 = ∅ → 𝑥 = ∅)
1716adantl 481 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑥 = ∅)
1813, 17sseqtrd 4019 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 ⊆ ∅)
19 ss0 4401 . . . . . . . . 9 (𝑆 ⊆ ∅ → 𝑆 = ∅)
2018, 19syl 17 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 = ∅)
2120difeq2d 4125 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = (𝑋 ∖ ∅))
22 dif0 4377 . . . . . . 7 (𝑋 ∖ ∅) = 𝑋
2321, 22eqtrdi 2792 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = 𝑋)
2412, 23eqtr4d 2779 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = (𝑋𝑆))
25 eqimss 4041 . . . . 5 (((cls‘𝐽)‘𝑋) = (𝑋𝑆) → ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))
2624, 25syl 17 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))
27 eleq2 2829 . . . . . 6 (𝑧 = 𝑋 → (𝐴𝑧𝐴𝑋))
28 fveq2 6905 . . . . . . 7 (𝑧 = 𝑋 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘𝑋))
2928sseq1d 4014 . . . . . 6 (𝑧 = 𝑋 → (((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆) ↔ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆)))
3027, 29anbi12d 632 . . . . 5 (𝑧 = 𝑋 → ((𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)) ↔ (𝐴𝑋 ∧ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))))
3130rspcev 3621 . . . 4 ((𝑋𝐽 ∧ (𝐴𝑋 ∧ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
327, 10, 26, 31syl12anc 836 . . 3 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
33 elin 3966 . . . . . . 7 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) ↔ (𝑥 ∈ 𝒫 𝑂𝑥 ∈ Fin))
34 id 22 . . . . . . . 8 (𝑥 ∈ Fin → 𝑥 ∈ Fin)
35 elpwi 4606 . . . . . . . . . . 11 (𝑥 ∈ 𝒫 𝑂𝑥𝑂)
3635sseld 3981 . . . . . . . . . 10 (𝑥 ∈ 𝒫 𝑂 → (𝑧𝑥𝑧𝑂))
37 difeq2 4119 . . . . . . . . . . . . . . 15 (𝑦 = 𝑧 → (𝑋𝑦) = (𝑋𝑧))
3837sseq2d 4015 . . . . . . . . . . . . . 14 (𝑦 = 𝑧 → (((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦) ↔ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
3938anbi2d 630 . . . . . . . . . . . . 13 (𝑦 = 𝑧 → ((𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)) ↔ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4039rexbidv 3178 . . . . . . . . . . . 12 (𝑦 = 𝑧 → (∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)) ↔ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
41 hauscmplem.2 . . . . . . . . . . . 12 𝑂 = {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))}
4240, 41elrab2 3694 . . . . . . . . . . 11 (𝑧𝑂 ↔ (𝑧𝐽 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4342simprbi 496 . . . . . . . . . 10 (𝑧𝑂 → ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
4436, 43syl6 35 . . . . . . . . 9 (𝑥 ∈ 𝒫 𝑂 → (𝑧𝑥 → ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4544ralrimiv 3144 . . . . . . . 8 (𝑥 ∈ 𝒫 𝑂 → ∀𝑧𝑥𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
46 eleq2 2829 . . . . . . . . . 10 (𝑤 = (𝑓𝑧) → (𝐴𝑤𝐴 ∈ (𝑓𝑧)))
47 fveq2 6905 . . . . . . . . . . 11 (𝑤 = (𝑓𝑧) → ((cls‘𝐽)‘𝑤) = ((cls‘𝐽)‘(𝑓𝑧)))
4847sseq1d 4014 . . . . . . . . . 10 (𝑤 = (𝑓𝑧) → (((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧) ↔ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))
4946, 48anbi12d 632 . . . . . . . . 9 (𝑤 = (𝑓𝑧) → ((𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)) ↔ (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5049ac6sfi 9321 . . . . . . . 8 ((𝑥 ∈ Fin ∧ ∀𝑧𝑥𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5134, 45, 50syl2anr 597 . . . . . . 7 ((𝑥 ∈ 𝒫 𝑂𝑥 ∈ Fin) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5233, 51sylbi 217 . . . . . 6 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5352ad2antlr 727 . . . . 5 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
543ad3antrrr 730 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐽 ∈ Top)
55 frn 6742 . . . . . . . 8 (𝑓:𝑥𝐽 → ran 𝑓𝐽)
5655ad2antrl 728 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓𝐽)
57 simprr 772 . . . . . . . 8 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → 𝑥 ≠ ∅)
58 simpl 482 . . . . . . . 8 ((𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))) → 𝑓:𝑥𝐽)
59 fdm 6744 . . . . . . . . . . . 12 (𝑓:𝑥𝐽 → dom 𝑓 = 𝑥)
6059eqeq1d 2738 . . . . . . . . . . 11 (𝑓:𝑥𝐽 → (dom 𝑓 = ∅ ↔ 𝑥 = ∅))
61 dm0rn0 5934 . . . . . . . . . . 11 (dom 𝑓 = ∅ ↔ ran 𝑓 = ∅)
6260, 61bitr3di 286 . . . . . . . . . 10 (𝑓:𝑥𝐽 → (𝑥 = ∅ ↔ ran 𝑓 = ∅))
6362necon3bid 2984 . . . . . . . . 9 (𝑓:𝑥𝐽 → (𝑥 ≠ ∅ ↔ ran 𝑓 ≠ ∅))
6463biimpac 478 . . . . . . . 8 ((𝑥 ≠ ∅ ∧ 𝑓:𝑥𝐽) → ran 𝑓 ≠ ∅)
6557, 58, 64syl2an 596 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 ≠ ∅)
6633simprbi 496 . . . . . . . . 9 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) → 𝑥 ∈ Fin)
6766ad2antlr 727 . . . . . . . 8 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → 𝑥 ∈ Fin)
68 ffn 6735 . . . . . . . . . 10 (𝑓:𝑥𝐽𝑓 Fn 𝑥)
69 dffn4 6825 . . . . . . . . . 10 (𝑓 Fn 𝑥𝑓:𝑥onto→ran 𝑓)
7068, 69sylib 218 . . . . . . . . 9 (𝑓:𝑥𝐽𝑓:𝑥onto→ran 𝑓)
7170adantr 480 . . . . . . . 8 ((𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))) → 𝑓:𝑥onto→ran 𝑓)
72 fofi 9352 . . . . . . . 8 ((𝑥 ∈ Fin ∧ 𝑓:𝑥onto→ran 𝑓) → ran 𝑓 ∈ Fin)
7367, 71, 72syl2an 596 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 ∈ Fin)
74 fiinopn 22908 . . . . . . . 8 (𝐽 ∈ Top → ((ran 𝑓𝐽 ∧ ran 𝑓 ≠ ∅ ∧ ran 𝑓 ∈ Fin) → ran 𝑓𝐽))
7574imp 406 . . . . . . 7 ((𝐽 ∈ Top ∧ (ran 𝑓𝐽 ∧ ran 𝑓 ≠ ∅ ∧ ran 𝑓 ∈ Fin)) → ran 𝑓𝐽)
7654, 56, 65, 73, 75syl13anc 1373 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓𝐽)
77 simpl 482 . . . . . . . . . 10 ((𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → 𝐴 ∈ (𝑓𝑧))
7877ralimi 3082 . . . . . . . . 9 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧))
7978ad2antll 729 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧))
808ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐴 ∈ (𝑋𝑆))
81 eliin 4995 . . . . . . . . 9 (𝐴 ∈ (𝑋𝑆) → (𝐴 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧)))
8280, 81syl 17 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → (𝐴 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧)))
8379, 82mpbird 257 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐴 𝑧𝑥 (𝑓𝑧))
8468ad2antrl 728 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑓 Fn 𝑥)
85 fnrnfv 6967 . . . . . . . . . 10 (𝑓 Fn 𝑥 → ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
8685inteqd 4950 . . . . . . . . 9 (𝑓 Fn 𝑥 ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
87 fvex 6918 . . . . . . . . . 10 (𝑓𝑧) ∈ V
8887dfiin2 5033 . . . . . . . . 9 𝑧𝑥 (𝑓𝑧) = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)}
8986, 88eqtr4di 2794 . . . . . . . 8 (𝑓 Fn 𝑥 ran 𝑓 = 𝑧𝑥 (𝑓𝑧))
9084, 89syl 17 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 = 𝑧𝑥 (𝑓𝑧))
9183, 90eleqtrrd 2843 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐴 ran 𝑓)
9257adantr 480 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑥 ≠ ∅)
933ad4antr 732 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → 𝐽 ∈ Top)
94 ffvelcdm 7100 . . . . . . . . . . . . . . 15 ((𝑓:𝑥𝐽𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
9594adantll 714 . . . . . . . . . . . . . 14 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
96 elssuni 4936 . . . . . . . . . . . . . 14 ((𝑓𝑧) ∈ 𝐽 → (𝑓𝑧) ⊆ 𝐽)
9795, 96syl 17 . . . . . . . . . . . . 13 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝐽)
9897, 5sseqtrrdi 4024 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝑋)
995clscld 23056 . . . . . . . . . . . 12 ((𝐽 ∈ Top ∧ (𝑓𝑧) ⊆ 𝑋) → ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
10093, 98, 99syl2anc 584 . . . . . . . . . . 11 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
101100ralrimiva 3145 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
102101adantrr 717 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
103 iincld 23048 . . . . . . . . 9 ((𝑥 ≠ ∅ ∧ ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽)) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
10492, 102, 103syl2anc 584 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
1055sscls 23065 . . . . . . . . . . . . 13 ((𝐽 ∈ Top ∧ (𝑓𝑧) ⊆ 𝑋) → (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
10693, 98, 105syl2anc 584 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
107106ralrimiva 3145 . . . . . . . . . . 11 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → ∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
108 ssel 3976 . . . . . . . . . . . . . 14 ((𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (𝑦 ∈ (𝑓𝑧) → 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
109108ral2imi 3084 . . . . . . . . . . . . 13 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (∀𝑧𝑥 𝑦 ∈ (𝑓𝑧) → ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
110 eliin 4995 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧)))
111110elv 3484 . . . . . . . . . . . . 13 (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧))
112 eliin 4995 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ↔ ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
113112elv 3484 . . . . . . . . . . . . 13 (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ↔ ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)))
114109, 111, 1133imtr4g 296 . . . . . . . . . . . 12 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (𝑦 𝑧𝑥 (𝑓𝑧) → 𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧))))
115114ssrdv 3988 . . . . . . . . . . 11 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
116107, 115syl 17 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
117116adantrr 717 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
11890, 117eqsstrd 4017 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
1195clsss2 23081 . . . . . . . 8 (( 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽) ∧ ran 𝑓 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
120104, 118, 119syl2anc 584 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
121 ssel 3976 . . . . . . . . . . . . 13 (((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧) → (𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 ∈ (𝑋𝑧)))
122121adantl 481 . . . . . . . . . . . 12 ((𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 ∈ (𝑋𝑧)))
123122ral2imi 3084 . . . . . . . . . . 11 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
124 eliin 4995 . . . . . . . . . . . 12 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑋𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
125124elv 3484 . . . . . . . . . . 11 (𝑦 𝑧𝑥 (𝑋𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧))
126123, 113, 1253imtr4g 296 . . . . . . . . . 10 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 𝑧𝑥 (𝑋𝑧)))
127126ssrdv 3988 . . . . . . . . 9 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ 𝑧𝑥 (𝑋𝑧))
128127ad2antll 729 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ 𝑧𝑥 (𝑋𝑧))
129 iindif2 5076 . . . . . . . . . 10 (𝑥 ≠ ∅ → 𝑧𝑥 (𝑋𝑧) = (𝑋 𝑧𝑥 𝑧))
13092, 129syl 17 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑋𝑧) = (𝑋 𝑧𝑥 𝑧))
131 simplrl 776 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑆 𝑥)
132 uniiun 5057 . . . . . . . . . . . 12 𝑥 = 𝑧𝑥 𝑧
133132sseq2i 4012 . . . . . . . . . . 11 (𝑆 𝑥𝑆 𝑧𝑥 𝑧)
134 sscon 4142 . . . . . . . . . . 11 (𝑆 𝑧𝑥 𝑧 → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
135133, 134sylbi 217 . . . . . . . . . 10 (𝑆 𝑥 → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
136131, 135syl 17 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
137130, 136eqsstrd 4017 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑋𝑧) ⊆ (𝑋𝑆))
138128, 137sstrd 3993 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑆))
139120, 138sstrd 3993 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))
140 eleq2 2829 . . . . . . . 8 (𝑧 = ran 𝑓 → (𝐴𝑧𝐴 ran 𝑓))
141 fveq2 6905 . . . . . . . . 9 (𝑧 = ran 𝑓 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘ ran 𝑓))
142141sseq1d 4014 . . . . . . . 8 (𝑧 = ran 𝑓 → (((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆) ↔ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆)))
143140, 142anbi12d 632 . . . . . . 7 (𝑧 = ran 𝑓 → ((𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)) ↔ (𝐴 ran 𝑓 ∧ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))))
144143rspcev 3621 . . . . . 6 (( ran 𝑓𝐽 ∧ (𝐴 ran 𝑓 ∧ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14576, 91, 139, 144syl12anc 836 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14653, 145exlimddv 1934 . . . 4 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
147146anassrs 467 . . 3 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 ≠ ∅) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14832, 147pm2.61dane 3028 . 2 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
1491adantr 480 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝐽 ∈ Haus)
150 hauscmplem.4 . . . . . . . . 9 (𝜑𝑆𝑋)
151150sselda 3982 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝑋)
1529adantr 480 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝐴𝑋)
153 id 22 . . . . . . . . 9 (𝑥𝑆𝑥𝑆)
1548eldifbd 3963 . . . . . . . . 9 (𝜑 → ¬ 𝐴𝑆)
155 nelne2 3039 . . . . . . . . 9 ((𝑥𝑆 ∧ ¬ 𝐴𝑆) → 𝑥𝐴)
156153, 154, 155syl2anr 597 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝐴)
1575hausnei 23337 . . . . . . . 8 ((𝐽 ∈ Haus ∧ (𝑥𝑋𝐴𝑋𝑥𝐴)) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
158149, 151, 152, 156, 157syl13anc 1373 . . . . . . 7 ((𝜑𝑥𝑆) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
159 3anass 1094 . . . . . . . . . . 11 ((𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) ↔ (𝑥𝑦 ∧ (𝐴𝑤 ∧ (𝑦𝑤) = ∅)))
160 elssuni 4936 . . . . . . . . . . . . . . . . 17 (𝑤𝐽𝑤 𝐽)
161160, 5sseqtrrdi 4024 . . . . . . . . . . . . . . . 16 (𝑤𝐽𝑤𝑋)
162161adantl 481 . . . . . . . . . . . . . . 15 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → 𝑤𝑋)
163 incom 4208 . . . . . . . . . . . . . . . . 17 (𝑦𝑤) = (𝑤𝑦)
164163eqeq1i 2741 . . . . . . . . . . . . . . . 16 ((𝑦𝑤) = ∅ ↔ (𝑤𝑦) = ∅)
165 reldisj 4452 . . . . . . . . . . . . . . . 16 (𝑤𝑋 → ((𝑤𝑦) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
166164, 165bitrid 283 . . . . . . . . . . . . . . 15 (𝑤𝑋 → ((𝑦𝑤) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
167162, 166syl 17 . . . . . . . . . . . . . 14 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑦𝑤) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
168149, 2syl 17 . . . . . . . . . . . . . . . . 17 ((𝜑𝑥𝑆) → 𝐽 ∈ Top)
1695opncld 23042 . . . . . . . . . . . . . . . . 17 ((𝐽 ∈ Top ∧ 𝑦𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
170168, 169sylan 580 . . . . . . . . . . . . . . . 16 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
171170adantr 480 . . . . . . . . . . . . . . 15 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
1725clsss2 23081 . . . . . . . . . . . . . . . 16 (((𝑋𝑦) ∈ (Clsd‘𝐽) ∧ 𝑤 ⊆ (𝑋𝑦)) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))
173172ex 412 . . . . . . . . . . . . . . 15 ((𝑋𝑦) ∈ (Clsd‘𝐽) → (𝑤 ⊆ (𝑋𝑦) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
174171, 173syl 17 . . . . . . . . . . . . . 14 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → (𝑤 ⊆ (𝑋𝑦) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
175167, 174sylbid 240 . . . . . . . . . . . . 13 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑦𝑤) = ∅ → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
176175anim2d 612 . . . . . . . . . . . 12 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
177176anim2d 612 . . . . . . . . . . 11 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑥𝑦 ∧ (𝐴𝑤 ∧ (𝑦𝑤) = ∅)) → (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
178159, 177biimtrid 242 . . . . . . . . . 10 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
179178reximdva 3167 . . . . . . . . 9 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (∃𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → ∃𝑤𝐽 (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
180 r19.42v 3190 . . . . . . . . 9 (∃𝑤𝐽 (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))) ↔ (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
181179, 180imbitrdi 251 . . . . . . . 8 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (∃𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
182181reximdva 3167 . . . . . . 7 ((𝜑𝑥𝑆) → (∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
183158, 182mpd 15 . . . . . 6 ((𝜑𝑥𝑆) → ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
18441unieqi 4918 . . . . . . . 8 𝑂 = {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))}
185184eleq2i 2832 . . . . . . 7 (𝑥 𝑂𝑥 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))})
186 elunirab 4921 . . . . . . 7 (𝑥 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))} ↔ ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
187185, 186bitri 275 . . . . . 6 (𝑥 𝑂 ↔ ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
188183, 187sylibr 234 . . . . 5 ((𝜑𝑥𝑆) → 𝑥 𝑂)
189188ex 412 . . . 4 (𝜑 → (𝑥𝑆𝑥 𝑂))
190189ssrdv 3988 . . 3 (𝜑𝑆 𝑂)
191 unieq 4917 . . . . . 6 (𝑧 = 𝑂 𝑧 = 𝑂)
192191sseq2d 4015 . . . . 5 (𝑧 = 𝑂 → (𝑆 𝑧𝑆 𝑂))
193 pweq 4613 . . . . . . 7 (𝑧 = 𝑂 → 𝒫 𝑧 = 𝒫 𝑂)
194193ineq1d 4218 . . . . . 6 (𝑧 = 𝑂 → (𝒫 𝑧 ∩ Fin) = (𝒫 𝑂 ∩ Fin))
195194rexeqdv 3326 . . . . 5 (𝑧 = 𝑂 → (∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥 ↔ ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
196192, 195imbi12d 344 . . . 4 (𝑧 = 𝑂 → ((𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥) ↔ (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥)))
197 hauscmplem.5 . . . . 5 (𝜑 → (𝐽t 𝑆) ∈ Comp)
1985cmpsub 23409 . . . . . 6 ((𝐽 ∈ Top ∧ 𝑆𝑋) → ((𝐽t 𝑆) ∈ Comp ↔ ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥)))
199198biimp3a 1470 . . . . 5 ((𝐽 ∈ Top ∧ 𝑆𝑋 ∧ (𝐽t 𝑆) ∈ Comp) → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
2003, 150, 197, 199syl3anc 1372 . . . 4 (𝜑 → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
20141ssrab3 4081 . . . . 5 𝑂𝐽
202 elpw2g 5332 . . . . . 6 (𝐽 ∈ Haus → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
2031, 202syl 17 . . . . 5 (𝜑 → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
204201, 203mpbiri 258 . . . 4 (𝜑𝑂 ∈ 𝒫 𝐽)
205196, 200, 204rspcdva 3622 . . 3 (𝜑 → (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
206190, 205mpd 15 . 2 (𝜑 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥)
207148, 206r19.29a 3161 1 (𝜑 → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  w3a 1086   = wceq 1539  wex 1778  wcel 2107  {cab 2713  wne 2939  wral 3060  wrex 3069  {crab 3435  Vcvv 3479  cdif 3947  cin 3949  wss 3950  c0 4332  𝒫 cpw 4599   cuni 4906   cint 4945   ciun 4990   ciin 4991  dom cdm 5684  ran crn 5685   Fn wfn 6555  wf 6556  ontowfo 6558  cfv 6560  (class class class)co 7432  Fincfn 8986  t crest 17466  Topctop 22900  Clsdccld 23025  clsccl 23027  Hauscha 23317  Compccmp 23395
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-10 2140  ax-11 2156  ax-12 2176  ax-ext 2707  ax-rep 5278  ax-sep 5295  ax-nul 5305  ax-pow 5364  ax-pr 5431  ax-un 7756
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2064  df-mo 2539  df-eu 2568  df-clab 2714  df-cleq 2728  df-clel 2815  df-nfc 2891  df-ne 2940  df-ral 3061  df-rex 3070  df-reu 3380  df-rab 3436  df-v 3481  df-sbc 3788  df-csb 3899  df-dif 3953  df-un 3955  df-in 3957  df-ss 3967  df-pss 3970  df-nul 4333  df-if 4525  df-pw 4601  df-sn 4626  df-pr 4628  df-op 4632  df-uni 4907  df-int 4946  df-iun 4992  df-iin 4993  df-br 5143  df-opab 5205  df-mpt 5225  df-tr 5259  df-id 5577  df-eprel 5583  df-po 5591  df-so 5592  df-fr 5636  df-we 5638  df-xp 5690  df-rel 5691  df-cnv 5692  df-co 5693  df-dm 5694  df-rn 5695  df-res 5696  df-ima 5697  df-ord 6386  df-on 6387  df-lim 6388  df-suc 6389  df-iota 6513  df-fun 6562  df-fn 6563  df-f 6564  df-f1 6565  df-fo 6566  df-f1o 6567  df-fv 6568  df-ov 7435  df-oprab 7436  df-mpo 7437  df-om 7889  df-1st 8015  df-2nd 8016  df-1o 8507  df-2o 8508  df-en 8987  df-dom 8988  df-fin 8990  df-fi 9452  df-rest 17468  df-topgen 17489  df-top 22901  df-topon 22918  df-bases 22954  df-cld 23028  df-cls 23030  df-haus 23324  df-cmp 23396
This theorem is referenced by:  hauscmp  23416  hausllycmp  23503
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