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Theorem hauscmplem 21257
Description: Lemma for hauscmp 21258. (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 21183 . . . . . . 7 (𝐽 ∈ Haus → 𝐽 ∈ Top)
31, 2syl 17 . . . . . 6 (𝜑𝐽 ∈ Top)
43ad3antrrr 766 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝐽 ∈ Top)
5 hauscmp.1 . . . . . 6 𝑋 = 𝐽
65topopn 20759 . . . . 5 (𝐽 ∈ Top → 𝑋𝐽)
74, 6syl 17 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑋𝐽)
8 hauscmplem.6 . . . . . 6 (𝜑𝐴 ∈ (𝑋𝑆))
98eldifad 3619 . . . . 5 (𝜑𝐴𝑋)
109ad3antrrr 766 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝐴𝑋)
115clstop 20921 . . . . . . 7 (𝐽 ∈ Top → ((cls‘𝐽)‘𝑋) = 𝑋)
124, 11syl 17 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = 𝑋)
13 simplr 807 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 𝑥)
14 unieq 4476 . . . . . . . . . . . 12 (𝑥 = ∅ → 𝑥 = ∅)
15 uni0 4497 . . . . . . . . . . . 12 ∅ = ∅
1614, 15syl6eq 2701 . . . . . . . . . . 11 (𝑥 = ∅ → 𝑥 = ∅)
1716adantl 481 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑥 = ∅)
1813, 17sseqtrd 3674 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 ⊆ ∅)
19 ss0 4007 . . . . . . . . 9 (𝑆 ⊆ ∅ → 𝑆 = ∅)
2018, 19syl 17 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 = ∅)
2120difeq2d 3761 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = (𝑋 ∖ ∅))
22 dif0 3983 . . . . . . 7 (𝑋 ∖ ∅) = 𝑋
2321, 22syl6eq 2701 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = 𝑋)
2412, 23eqtr4d 2688 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = (𝑋𝑆))
25 eqimss 3690 . . . . 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 2719 . . . . . 6 (𝑧 = 𝑋 → (𝐴𝑧𝐴𝑋))
28 fveq2 6229 . . . . . . 7 (𝑧 = 𝑋 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘𝑋))
2928sseq1d 3665 . . . . . 6 (𝑧 = 𝑋 → (((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆) ↔ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆)))
3027, 29anbi12d 747 . . . . 5 (𝑧 = 𝑋 → ((𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)) ↔ (𝐴𝑋 ∧ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))))
3130rspcev 3340 . . . 4 ((𝑋𝐽 ∧ (𝐴𝑋 ∧ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
327, 10, 26, 31syl12anc 1364 . . 3 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
33 elin 3829 . . . . . . 7 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) ↔ (𝑥 ∈ 𝒫 𝑂𝑥 ∈ Fin))
34 id 22 . . . . . . . 8 (𝑥 ∈ Fin → 𝑥 ∈ Fin)
35 elpwi 4201 . . . . . . . . . . 11 (𝑥 ∈ 𝒫 𝑂𝑥𝑂)
3635sseld 3635 . . . . . . . . . 10 (𝑥 ∈ 𝒫 𝑂 → (𝑧𝑥𝑧𝑂))
37 difeq2 3755 . . . . . . . . . . . . . . 15 (𝑦 = 𝑧 → (𝑋𝑦) = (𝑋𝑧))
3837sseq2d 3666 . . . . . . . . . . . . . 14 (𝑦 = 𝑧 → (((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦) ↔ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
3938anbi2d 740 . . . . . . . . . . . . 13 (𝑦 = 𝑧 → ((𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)) ↔ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4039rexbidv 3081 . . . . . . . . . . . 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 3399 . . . . . . . . . . 11 (𝑧𝑂 ↔ (𝑧𝐽 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4342simprbi 479 . . . . . . . . . 10 (𝑧𝑂 → ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
4436, 43syl6 35 . . . . . . . . 9 (𝑥 ∈ 𝒫 𝑂 → (𝑧𝑥 → ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))))
4544ralrimiv 2994 . . . . . . . 8 (𝑥 ∈ 𝒫 𝑂 → ∀𝑧𝑥𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
46 eleq2 2719 . . . . . . . . . 10 (𝑤 = (𝑓𝑧) → (𝐴𝑤𝐴 ∈ (𝑓𝑧)))
47 fveq2 6229 . . . . . . . . . . 11 (𝑤 = (𝑓𝑧) → ((cls‘𝐽)‘𝑤) = ((cls‘𝐽)‘(𝑓𝑧)))
4847sseq1d 3665 . . . . . . . . . 10 (𝑤 = (𝑓𝑧) → (((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧) ↔ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))
4946, 48anbi12d 747 . . . . . . . . 9 (𝑤 = (𝑓𝑧) → ((𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)) ↔ (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5049ac6sfi 8245 . . . . . . . 8 ((𝑥 ∈ Fin ∧ ∀𝑧𝑥𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧))) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5134, 45, 50syl2anr 494 . . . . . . 7 ((𝑥 ∈ 𝒫 𝑂𝑥 ∈ Fin) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5233, 51sylbi 207 . . . . . 6 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
5352ad2antlr 763 . . . . 5 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → ∃𝑓(𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))))
543ad3antrrr 766 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐽 ∈ Top)
55 frn 6091 . . . . . . . 8 (𝑓:𝑥𝐽 → ran 𝑓𝐽)
5655ad2antrl 764 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓𝐽)
57 simprr 811 . . . . . . . 8 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → 𝑥 ≠ ∅)
58 simpl 472 . . . . . . . 8 ((𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))) → 𝑓:𝑥𝐽)
59 dm0rn0 5374 . . . . . . . . . . 11 (dom 𝑓 = ∅ ↔ ran 𝑓 = ∅)
60 fdm 6089 . . . . . . . . . . . 12 (𝑓:𝑥𝐽 → dom 𝑓 = 𝑥)
6160eqeq1d 2653 . . . . . . . . . . 11 (𝑓:𝑥𝐽 → (dom 𝑓 = ∅ ↔ 𝑥 = ∅))
6259, 61syl5rbbr 275 . . . . . . . . . 10 (𝑓:𝑥𝐽 → (𝑥 = ∅ ↔ ran 𝑓 = ∅))
6362necon3bid 2867 . . . . . . . . 9 (𝑓:𝑥𝐽 → (𝑥 ≠ ∅ ↔ ran 𝑓 ≠ ∅))
6463biimpac 502 . . . . . . . 8 ((𝑥 ≠ ∅ ∧ 𝑓:𝑥𝐽) → ran 𝑓 ≠ ∅)
6557, 58, 64syl2an 493 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 ≠ ∅)
6633simprbi 479 . . . . . . . . 9 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) → 𝑥 ∈ Fin)
6766ad2antlr 763 . . . . . . . 8 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → 𝑥 ∈ Fin)
68 ffn 6083 . . . . . . . . . 10 (𝑓:𝑥𝐽𝑓 Fn 𝑥)
69 dffn4 6159 . . . . . . . . . 10 (𝑓 Fn 𝑥𝑓:𝑥onto→ran 𝑓)
7068, 69sylib 208 . . . . . . . . 9 (𝑓:𝑥𝐽𝑓:𝑥onto→ran 𝑓)
7170adantr 480 . . . . . . . 8 ((𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧))) → 𝑓:𝑥onto→ran 𝑓)
72 fofi 8293 . . . . . . . 8 ((𝑥 ∈ Fin ∧ 𝑓:𝑥onto→ran 𝑓) → ran 𝑓 ∈ Fin)
7367, 71, 72syl2an 493 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 ∈ Fin)
74 fiinopn 20754 . . . . . . . 8 (𝐽 ∈ Top → ((ran 𝑓𝐽 ∧ ran 𝑓 ≠ ∅ ∧ ran 𝑓 ∈ Fin) → ran 𝑓𝐽))
7574imp 444 . . . . . . 7 ((𝐽 ∈ Top ∧ (ran 𝑓𝐽 ∧ ran 𝑓 ≠ ∅ ∧ ran 𝑓 ∈ Fin)) → ran 𝑓𝐽)
7654, 56, 65, 73, 75syl13anc 1368 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓𝐽)
77 simpl 472 . . . . . . . . . 10 ((𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → 𝐴 ∈ (𝑓𝑧))
7877ralimi 2981 . . . . . . . . 9 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧))
7978ad2antll 765 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∀𝑧𝑥 𝐴 ∈ (𝑓𝑧))
808ad3antrrr 766 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐴 ∈ (𝑋𝑆))
81 eliin 4557 . . . . . . . . 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 247 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝐴 𝑧𝑥 (𝑓𝑧))
8468ad2antrl 764 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑓 Fn 𝑥)
85 fnrnfv 6281 . . . . . . . . . 10 (𝑓 Fn 𝑥 → ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
8685inteqd 4512 . . . . . . . . 9 (𝑓 Fn 𝑥 ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
87 fvex 6239 . . . . . . . . . 10 (𝑓𝑧) ∈ V
8887dfiin2 4587 . . . . . . . . 9 𝑧𝑥 (𝑓𝑧) = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)}
8986, 88syl6eqr 2703 . . . . . . . 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 2733 . . . . . 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 769 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → 𝐽 ∈ Top)
94 ffvelrn 6397 . . . . . . . . . . . . . . 15 ((𝑓:𝑥𝐽𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
9594adantll 750 . . . . . . . . . . . . . 14 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
96 elssuni 4499 . . . . . . . . . . . . . 14 ((𝑓𝑧) ∈ 𝐽 → (𝑓𝑧) ⊆ 𝐽)
9795, 96syl 17 . . . . . . . . . . . . 13 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝐽)
9897, 5syl6sseqr 3685 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝑋)
995clscld 20899 . . . . . . . . . . . 12 ((𝐽 ∈ Top ∧ (𝑓𝑧) ⊆ 𝑋) → ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
10093, 98, 99syl2anc 694 . . . . . . . . . . 11 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
101100ralrimiva 2995 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
102101adantrr 753 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
103 iincld 20891 . . . . . . . . 9 ((𝑥 ≠ ∅ ∧ ∀𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽)) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
10492, 102, 103syl2anc 694 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽))
1055sscls 20908 . . . . . . . . . . . . 13 ((𝐽 ∈ Top ∧ (𝑓𝑧) ⊆ 𝑋) → (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
10693, 98, 105syl2anc 694 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
107106ralrimiva 2995 . . . . . . . . . . 11 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → ∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
108 ssel 3630 . . . . . . . . . . . . . 14 ((𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (𝑦 ∈ (𝑓𝑧) → 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
109108ral2imi 2976 . . . . . . . . . . . . 13 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (∀𝑧𝑥 𝑦 ∈ (𝑓𝑧) → ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
110 vex 3234 . . . . . . . . . . . . . 14 𝑦 ∈ V
111 eliin 4557 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧)))
112110, 111ax-mp 5 . . . . . . . . . . . . 13 (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧))
113 eliin 4557 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ↔ ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
114110, 113ax-mp 5 . . . . . . . . . . . . 13 (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ↔ ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)))
115109, 112, 1143imtr4g 285 . . . . . . . . . . . 12 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (𝑦 𝑧𝑥 (𝑓𝑧) → 𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧))))
116115ssrdv 3642 . . . . . . . . . . 11 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
117107, 116syl 17 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
118117adantrr 753 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑓𝑧) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
11990, 118eqsstrd 3672 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
1205clsss2 20924 . . . . . . . 8 (( 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ∈ (Clsd‘𝐽) ∧ ran 𝑓 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
121104, 119, 120syl2anc 694 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
122 ssel 3630 . . . . . . . . . . . . 13 (((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧) → (𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 ∈ (𝑋𝑧)))
123122adantl 481 . . . . . . . . . . . 12 ((𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 ∈ (𝑋𝑧)))
124123ral2imi 2976 . . . . . . . . . . 11 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
125 eliin 4557 . . . . . . . . . . . 12 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑋𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
126110, 125ax-mp 5 . . . . . . . . . . 11 (𝑦 𝑧𝑥 (𝑋𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧))
127124, 114, 1263imtr4g 285 . . . . . . . . . 10 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) → 𝑦 𝑧𝑥 (𝑋𝑧)))
128127ssrdv 3642 . . . . . . . . 9 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ 𝑧𝑥 (𝑋𝑧))
129128ad2antll 765 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ 𝑧𝑥 (𝑋𝑧))
130 iindif2 4621 . . . . . . . . . 10 (𝑥 ≠ ∅ → 𝑧𝑥 (𝑋𝑧) = (𝑋 𝑧𝑥 𝑧))
13192, 130syl 17 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑋𝑧) = (𝑋 𝑧𝑥 𝑧))
132 simplrl 817 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑆 𝑥)
133 uniiun 4605 . . . . . . . . . . . 12 𝑥 = 𝑧𝑥 𝑧
134133sseq2i 3663 . . . . . . . . . . 11 (𝑆 𝑥𝑆 𝑧𝑥 𝑧)
135 sscon 3777 . . . . . . . . . . 11 (𝑆 𝑧𝑥 𝑧 → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
136134, 135sylbi 207 . . . . . . . . . 10 (𝑆 𝑥 → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
137132, 136syl 17 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → (𝑋 𝑧𝑥 𝑧) ⊆ (𝑋𝑆))
138131, 137eqsstrd 3672 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑋𝑧) ⊆ (𝑋𝑆))
139129, 138sstrd 3646 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑆))
140121, 139sstrd 3646 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))
141 eleq2 2719 . . . . . . . 8 (𝑧 = ran 𝑓 → (𝐴𝑧𝐴 ran 𝑓))
142 fveq2 6229 . . . . . . . . 9 (𝑧 = ran 𝑓 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘ ran 𝑓))
143142sseq1d 3665 . . . . . . . 8 (𝑧 = ran 𝑓 → (((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆) ↔ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆)))
144141, 143anbi12d 747 . . . . . . 7 (𝑧 = ran 𝑓 → ((𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)) ↔ (𝐴 ran 𝑓 ∧ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))))
145144rspcev 3340 . . . . . 6 (( ran 𝑓𝐽 ∧ (𝐴 ran 𝑓 ∧ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14676, 91, 140, 145syl12anc 1364 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14753, 146exlimddv 1903 . . . 4 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
148147anassrs 681 . . 3 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 ≠ ∅) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14932, 148pm2.61dane 2910 . 2 (((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
1501adantr 480 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝐽 ∈ Haus)
151 hauscmplem.4 . . . . . . . . 9 (𝜑𝑆𝑋)
152151sselda 3636 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝑋)
1539adantr 480 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝐴𝑋)
154 id 22 . . . . . . . . 9 (𝑥𝑆𝑥𝑆)
1558eldifbd 3620 . . . . . . . . 9 (𝜑 → ¬ 𝐴𝑆)
156 nelne2 2920 . . . . . . . . 9 ((𝑥𝑆 ∧ ¬ 𝐴𝑆) → 𝑥𝐴)
157154, 155, 156syl2anr 494 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝐴)
1585hausnei 21180 . . . . . . . 8 ((𝐽 ∈ Haus ∧ (𝑥𝑋𝐴𝑋𝑥𝐴)) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
159150, 152, 153, 157, 158syl13anc 1368 . . . . . . 7 ((𝜑𝑥𝑆) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
160 3anass 1059 . . . . . . . . . . 11 ((𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) ↔ (𝑥𝑦 ∧ (𝐴𝑤 ∧ (𝑦𝑤) = ∅)))
161 elssuni 4499 . . . . . . . . . . . . . . . . 17 (𝑤𝐽𝑤 𝐽)
162161, 5syl6sseqr 3685 . . . . . . . . . . . . . . . 16 (𝑤𝐽𝑤𝑋)
163162adantl 481 . . . . . . . . . . . . . . 15 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → 𝑤𝑋)
164 incom 3838 . . . . . . . . . . . . . . . . 17 (𝑦𝑤) = (𝑤𝑦)
165164eqeq1i 2656 . . . . . . . . . . . . . . . 16 ((𝑦𝑤) = ∅ ↔ (𝑤𝑦) = ∅)
166 reldisj 4053 . . . . . . . . . . . . . . . 16 (𝑤𝑋 → ((𝑤𝑦) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
167165, 166syl5bb 272 . . . . . . . . . . . . . . 15 (𝑤𝑋 → ((𝑦𝑤) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
168163, 167syl 17 . . . . . . . . . . . . . 14 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑦𝑤) = ∅ ↔ 𝑤 ⊆ (𝑋𝑦)))
169150, 2syl 17 . . . . . . . . . . . . . . . . 17 ((𝜑𝑥𝑆) → 𝐽 ∈ Top)
1705opncld 20885 . . . . . . . . . . . . . . . . 17 ((𝐽 ∈ Top ∧ 𝑦𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
171169, 170sylan 487 . . . . . . . . . . . . . . . 16 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
172171adantr 480 . . . . . . . . . . . . . . 15 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → (𝑋𝑦) ∈ (Clsd‘𝐽))
1735clsss2 20924 . . . . . . . . . . . . . . . 16 (((𝑋𝑦) ∈ (Clsd‘𝐽) ∧ 𝑤 ⊆ (𝑋𝑦)) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))
174173ex 449 . . . . . . . . . . . . . . 15 ((𝑋𝑦) ∈ (Clsd‘𝐽) → (𝑤 ⊆ (𝑋𝑦) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
175172, 174syl 17 . . . . . . . . . . . . . 14 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → (𝑤 ⊆ (𝑋𝑦) → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
176168, 175sylbid 230 . . . . . . . . . . . . 13 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑦𝑤) = ∅ → ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))
177176anim2d 588 . . . . . . . . . . . 12 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
178177anim2d 588 . . . . . . . . . . 11 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑥𝑦 ∧ (𝐴𝑤 ∧ (𝑦𝑤) = ∅)) → (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
179160, 178syl5bi 232 . . . . . . . . . 10 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → ((𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
180179reximdva 3046 . . . . . . . . 9 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (∃𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → ∃𝑤𝐽 (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
181 r19.42v 3121 . . . . . . . . 9 (∃𝑤𝐽 (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))) ↔ (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
182180, 181syl6ib 241 . . . . . . . 8 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (∃𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
183182reximdva 3046 . . . . . . 7 ((𝜑𝑥𝑆) → (∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
184159, 183mpd 15 . . . . . 6 ((𝜑𝑥𝑆) → ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
18541unieqi 4477 . . . . . . . 8 𝑂 = {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))}
186185eleq2i 2722 . . . . . . 7 (𝑥 𝑂𝑥 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))})
187 elunirab 4480 . . . . . . 7 (𝑥 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))} ↔ ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
188186, 187bitri 264 . . . . . 6 (𝑥 𝑂 ↔ ∃𝑦𝐽 (𝑥𝑦 ∧ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))))
189184, 188sylibr 224 . . . . 5 ((𝜑𝑥𝑆) → 𝑥 𝑂)
190189ex 449 . . . 4 (𝜑 → (𝑥𝑆𝑥 𝑂))
191190ssrdv 3642 . . 3 (𝜑𝑆 𝑂)
192 ssrab2 3720 . . . . . 6 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))} ⊆ 𝐽
19341, 192eqsstri 3668 . . . . 5 𝑂𝐽
194 elpw2g 4857 . . . . . 6 (𝐽 ∈ Haus → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
1951, 194syl 17 . . . . 5 (𝜑 → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
196193, 195mpbiri 248 . . . 4 (𝜑𝑂 ∈ 𝒫 𝐽)
197 hauscmplem.5 . . . . 5 (𝜑 → (𝐽t 𝑆) ∈ Comp)
1985cmpsub 21251 . . . . . 6 ((𝐽 ∈ Top ∧ 𝑆𝑋) → ((𝐽t 𝑆) ∈ Comp ↔ ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥)))
199198biimp3a 1472 . . . . 5 ((𝐽 ∈ Top ∧ 𝑆𝑋 ∧ (𝐽t 𝑆) ∈ Comp) → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
2003, 151, 197, 199syl3anc 1366 . . . 4 (𝜑 → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
201 unieq 4476 . . . . . . 7 (𝑧 = 𝑂 𝑧 = 𝑂)
202201sseq2d 3666 . . . . . 6 (𝑧 = 𝑂 → (𝑆 𝑧𝑆 𝑂))
203 pweq 4194 . . . . . . . 8 (𝑧 = 𝑂 → 𝒫 𝑧 = 𝒫 𝑂)
204203ineq1d 3846 . . . . . . 7 (𝑧 = 𝑂 → (𝒫 𝑧 ∩ Fin) = (𝒫 𝑂 ∩ Fin))
205204rexeqdv 3175 . . . . . 6 (𝑧 = 𝑂 → (∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥 ↔ ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
206202, 205imbi12d 333 . . . . 5 (𝑧 = 𝑂 → ((𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥) ↔ (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥)))
207206rspcva 3338 . . . 4 ((𝑂 ∈ 𝒫 𝐽 ∧ ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥)) → (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
208196, 200, 207syl2anc 694 . . 3 (𝜑 → (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
209191, 208mpd 15 . 2 (𝜑 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥)
210149, 209r19.29a 3107 1 (𝜑 → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wa 383  w3a 1054   = wceq 1523  wex 1744  wcel 2030  {cab 2637  wne 2823  wral 2941  wrex 2942  {crab 2945  Vcvv 3231  cdif 3604  cin 3606  wss 3607  c0 3948  𝒫 cpw 4191   cuni 4468   cint 4507   ciun 4552   ciin 4553  dom cdm 5143  ran crn 5144   Fn wfn 5921  wf 5922  ontowfo 5924  cfv 5926  (class class class)co 6690  Fincfn 7997  t crest 16128  Topctop 20746  Clsdccld 20868  clsccl 20870  Hauscha 21160  Compccmp 21237
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-ral 2946  df-rex 2947  df-reu 2948  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-int 4508  df-iun 4554  df-iin 4555  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-om 7108  df-1st 7210  df-2nd 7211  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-1o 7605  df-oadd 7609  df-er 7787  df-en 7998  df-dom 7999  df-fin 8001  df-fi 8358  df-rest 16130  df-topgen 16151  df-top 20747  df-topon 20764  df-bases 20798  df-cld 20871  df-cls 20873  df-haus 21167  df-cmp 21238
This theorem is referenced by:  hauscmp  21258  hausllycmp  21345
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