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Theorem hauscmplem 23430
Description: Lemma for hauscmp 23431. (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 23355 . . . . . . 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 22928 . . . . 5 (𝐽 ∈ Top → 𝑋𝐽)
74, 6syl 17 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑋𝐽)
8 hauscmplem.6 . . . . . 6 (𝜑𝐴 ∈ (𝑋𝑆))
98eldifad 3975 . . . . 5 (𝜑𝐴𝑋)
109ad3antrrr 730 . . . 4 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝐴𝑋)
115clstop 23093 . . . . . . 7 (𝐽 ∈ Top → ((cls‘𝐽)‘𝑋) = 𝑋)
124, 11syl 17 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = 𝑋)
13 simplr 769 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 𝑥)
14 unieq 4923 . . . . . . . . . . . 12 (𝑥 = ∅ → 𝑥 = ∅)
15 uni0 4940 . . . . . . . . . . . 12 ∅ = ∅
1614, 15eqtrdi 2791 . . . . . . . . . . 11 (𝑥 = ∅ → 𝑥 = ∅)
1716adantl 481 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑥 = ∅)
1813, 17sseqtrd 4036 . . . . . . . . 9 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 ⊆ ∅)
19 ss0 4408 . . . . . . . . 9 (𝑆 ⊆ ∅ → 𝑆 = ∅)
2018, 19syl 17 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → 𝑆 = ∅)
2120difeq2d 4136 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = (𝑋 ∖ ∅))
22 dif0 4384 . . . . . . 7 (𝑋 ∖ ∅) = 𝑋
2321, 22eqtrdi 2791 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → (𝑋𝑆) = 𝑋)
2412, 23eqtr4d 2778 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ((cls‘𝐽)‘𝑋) = (𝑋𝑆))
25 eqimss 4054 . . . . 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 2828 . . . . . 6 (𝑧 = 𝑋 → (𝐴𝑧𝐴𝑋))
28 fveq2 6907 . . . . . . 7 (𝑧 = 𝑋 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘𝑋))
2928sseq1d 4027 . . . . . 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 3622 . . . 4 ((𝑋𝐽 ∧ (𝐴𝑋 ∧ ((cls‘𝐽)‘𝑋) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
327, 10, 26, 31syl12anc 837 . . 3 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ 𝑆 𝑥) ∧ 𝑥 = ∅) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
33 elin 3979 . . . . . . 7 (𝑥 ∈ (𝒫 𝑂 ∩ Fin) ↔ (𝑥 ∈ 𝒫 𝑂𝑥 ∈ Fin))
34 id 22 . . . . . . . 8 (𝑥 ∈ Fin → 𝑥 ∈ Fin)
35 elpwi 4612 . . . . . . . . . . 11 (𝑥 ∈ 𝒫 𝑂𝑥𝑂)
3635sseld 3994 . . . . . . . . . 10 (𝑥 ∈ 𝒫 𝑂 → (𝑧𝑥𝑧𝑂))
37 difeq2 4130 . . . . . . . . . . . . . . 15 (𝑦 = 𝑧 → (𝑋𝑦) = (𝑋𝑧))
3837sseq2d 4028 . . . . . . . . . . . . . 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 3177 . . . . . . . . . . . 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 3698 . . . . . . . . . . 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 3143 . . . . . . . 8 (𝑥 ∈ 𝒫 𝑂 → ∀𝑧𝑥𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑧)))
46 eleq2 2828 . . . . . . . . . 10 (𝑤 = (𝑓𝑧) → (𝐴𝑤𝐴 ∈ (𝑓𝑧)))
47 fveq2 6907 . . . . . . . . . . 11 (𝑤 = (𝑓𝑧) → ((cls‘𝐽)‘𝑤) = ((cls‘𝐽)‘(𝑓𝑧)))
4847sseq1d 4027 . . . . . . . . . 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 9318 . . . . . . . 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 6744 . . . . . . . 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 773 . . . . . . . 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 6746 . . . . . . . . . . . 12 (𝑓:𝑥𝐽 → dom 𝑓 = 𝑥)
6059eqeq1d 2737 . . . . . . . . . . 11 (𝑓:𝑥𝐽 → (dom 𝑓 = ∅ ↔ 𝑥 = ∅))
61 dm0rn0 5938 . . . . . . . . . . 11 (dom 𝑓 = ∅ ↔ ran 𝑓 = ∅)
6260, 61bitr3di 286 . . . . . . . . . 10 (𝑓:𝑥𝐽 → (𝑥 = ∅ ↔ ran 𝑓 = ∅))
6362necon3bid 2983 . . . . . . . . 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 6737 . . . . . . . . . 10 (𝑓:𝑥𝐽𝑓 Fn 𝑥)
69 dffn4 6827 . . . . . . . . . 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 9349 . . . . . . . 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 22923 . . . . . . . 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 1371 . . . . . 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 3081 . . . . . . . . 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 5001 . . . . . . . . 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 6968 . . . . . . . . . 10 (𝑓 Fn 𝑥 → ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
8685inteqd 4956 . . . . . . . . 9 (𝑓 Fn 𝑥 ran 𝑓 = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)})
87 fvex 6920 . . . . . . . . . 10 (𝑓𝑧) ∈ V
8887dfiin2 5039 . . . . . . . . 9 𝑧𝑥 (𝑓𝑧) = {𝑦 ∣ ∃𝑧𝑥 𝑦 = (𝑓𝑧)}
8986, 88eqtr4di 2793 . . . . . . . 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 2842 . . . . . 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 7101 . . . . . . . . . . . . . . 15 ((𝑓:𝑥𝐽𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
9594adantll 714 . . . . . . . . . . . . . 14 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ∈ 𝐽)
96 elssuni 4942 . . . . . . . . . . . . . 14 ((𝑓𝑧) ∈ 𝐽 → (𝑓𝑧) ⊆ 𝐽)
9795, 96syl 17 . . . . . . . . . . . . 13 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝐽)
9897, 5sseqtrrdi 4047 . . . . . . . . . . . 12 (((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) ∧ 𝑧𝑥) → (𝑓𝑧) ⊆ 𝑋)
995clscld 23071 . . . . . . . . . . . 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 3144 . . . . . . . . . 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 23063 . . . . . . . . 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 23080 . . . . . . . . . . . . 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 3144 . . . . . . . . . . 11 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ 𝑓:𝑥𝐽) → ∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)))
108 ssel 3989 . . . . . . . . . . . . . 14 ((𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (𝑦 ∈ (𝑓𝑧) → 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
109108ral2imi 3083 . . . . . . . . . . . . 13 (∀𝑧𝑥 (𝑓𝑧) ⊆ ((cls‘𝐽)‘(𝑓𝑧)) → (∀𝑧𝑥 𝑦 ∈ (𝑓𝑧) → ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
110 eliin 5001 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧)))
111110elv 3483 . . . . . . . . . . . . 13 (𝑦 𝑧𝑥 (𝑓𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑓𝑧))
112 eliin 5001 . . . . . . . . . . . . . 14 (𝑦 ∈ V → (𝑦 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ↔ ∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧))))
113112elv 3483 . . . . . . . . . . . . 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 4001 . . . . . . . . . . 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 4034 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ran 𝑓 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)))
1195clsss2 23096 . . . . . . . 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 3989 . . . . . . . . . . . . 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 3083 . . . . . . . . . . 11 (∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)) → (∀𝑧𝑥 𝑦 ∈ ((cls‘𝐽)‘(𝑓𝑧)) → ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
124 eliin 5001 . . . . . . . . . . . 12 (𝑦 ∈ V → (𝑦 𝑧𝑥 (𝑋𝑧) ↔ ∀𝑧𝑥 𝑦 ∈ (𝑋𝑧)))
125124elv 3483 . . . . . . . . . . 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 4001 . . . . . . . . 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 5082 . . . . . . . . . 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 777 . . . . . . . . . 10 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑆 𝑥)
132 uniiun 5063 . . . . . . . . . . . 12 𝑥 = 𝑧𝑥 𝑧
133132sseq2i 4025 . . . . . . . . . . 11 (𝑆 𝑥𝑆 𝑧𝑥 𝑧)
134 sscon 4153 . . . . . . . . . . 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 4034 . . . . . . . 8 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 (𝑋𝑧) ⊆ (𝑋𝑆))
138128, 137sstrd 4006 . . . . . . 7 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → 𝑧𝑥 ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑆))
139120, 138sstrd 4006 . . . . . 6 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))
140 eleq2 2828 . . . . . . . 8 (𝑧 = ran 𝑓 → (𝐴𝑧𝐴 ran 𝑓))
141 fveq2 6907 . . . . . . . . 9 (𝑧 = ran 𝑓 → ((cls‘𝐽)‘𝑧) = ((cls‘𝐽)‘ ran 𝑓))
142141sseq1d 4027 . . . . . . . 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 3622 . . . . . 6 (( ran 𝑓𝐽 ∧ (𝐴 ran 𝑓 ∧ ((cls‘𝐽)‘ ran 𝑓) ⊆ (𝑋𝑆))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14576, 91, 139, 144syl12anc 837 . . . . 5 ((((𝜑𝑥 ∈ (𝒫 𝑂 ∩ Fin)) ∧ (𝑆 𝑥𝑥 ≠ ∅)) ∧ (𝑓:𝑥𝐽 ∧ ∀𝑧𝑥 (𝐴 ∈ (𝑓𝑧) ∧ ((cls‘𝐽)‘(𝑓𝑧)) ⊆ (𝑋𝑧)))) → ∃𝑧𝐽 (𝐴𝑧 ∧ ((cls‘𝐽)‘𝑧) ⊆ (𝑋𝑆)))
14653, 145exlimddv 1933 . . . 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 3027 . 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 3995 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝑋)
1529adantr 480 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝐴𝑋)
153 id 22 . . . . . . . . 9 (𝑥𝑆𝑥𝑆)
1548eldifbd 3976 . . . . . . . . 9 (𝜑 → ¬ 𝐴𝑆)
155 nelne2 3038 . . . . . . . . 9 ((𝑥𝑆 ∧ ¬ 𝐴𝑆) → 𝑥𝐴)
156153, 154, 155syl2anr 597 . . . . . . . 8 ((𝜑𝑥𝑆) → 𝑥𝐴)
1575hausnei 23352 . . . . . . . 8 ((𝐽 ∈ Haus ∧ (𝑥𝑋𝐴𝑋𝑥𝐴)) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
158149, 151, 152, 156, 157syl13anc 1371 . . . . . . 7 ((𝜑𝑥𝑆) → ∃𝑦𝐽𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅))
159 3anass 1094 . . . . . . . . . . 11 ((𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) ↔ (𝑥𝑦 ∧ (𝐴𝑤 ∧ (𝑦𝑤) = ∅)))
160 elssuni 4942 . . . . . . . . . . . . . . . . 17 (𝑤𝐽𝑤 𝐽)
161160, 5sseqtrrdi 4047 . . . . . . . . . . . . . . . 16 (𝑤𝐽𝑤𝑋)
162161adantl 481 . . . . . . . . . . . . . . 15 ((((𝜑𝑥𝑆) ∧ 𝑦𝐽) ∧ 𝑤𝐽) → 𝑤𝑋)
163 incom 4217 . . . . . . . . . . . . . . . . 17 (𝑦𝑤) = (𝑤𝑦)
164163eqeq1i 2740 . . . . . . . . . . . . . . . 16 ((𝑦𝑤) = ∅ ↔ (𝑤𝑦) = ∅)
165 reldisj 4459 . . . . . . . . . . . . . . . 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 23057 . . . . . . . . . . . . . . . . 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 23096 . . . . . . . . . . . . . . . 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 3166 . . . . . . . . 9 (((𝜑𝑥𝑆) ∧ 𝑦𝐽) → (∃𝑤𝐽 (𝑥𝑦𝐴𝑤 ∧ (𝑦𝑤) = ∅) → ∃𝑤𝐽 (𝑥𝑦 ∧ (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦)))))
180 r19.42v 3189 . . . . . . . . 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 3166 . . . . . . 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 4924 . . . . . . . 8 𝑂 = {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))}
185184eleq2i 2831 . . . . . . 7 (𝑥 𝑂𝑥 {𝑦𝐽 ∣ ∃𝑤𝐽 (𝐴𝑤 ∧ ((cls‘𝐽)‘𝑤) ⊆ (𝑋𝑦))})
186 elunirab 4927 . . . . . . 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 4001 . . 3 (𝜑𝑆 𝑂)
191 unieq 4923 . . . . . 6 (𝑧 = 𝑂 𝑧 = 𝑂)
192191sseq2d 4028 . . . . 5 (𝑧 = 𝑂 → (𝑆 𝑧𝑆 𝑂))
193 pweq 4619 . . . . . . 7 (𝑧 = 𝑂 → 𝒫 𝑧 = 𝒫 𝑂)
194193ineq1d 4227 . . . . . 6 (𝑧 = 𝑂 → (𝒫 𝑧 ∩ Fin) = (𝒫 𝑂 ∩ Fin))
195194rexeqdv 3325 . . . . 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 23424 . . . . . 6 ((𝐽 ∈ Top ∧ 𝑆𝑋) → ((𝐽t 𝑆) ∈ Comp ↔ ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥)))
199198biimp3a 1468 . . . . 5 ((𝐽 ∈ Top ∧ 𝑆𝑋 ∧ (𝐽t 𝑆) ∈ Comp) → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
2003, 150, 197, 199syl3anc 1370 . . . 4 (𝜑 → ∀𝑧 ∈ 𝒫 𝐽(𝑆 𝑧 → ∃𝑥 ∈ (𝒫 𝑧 ∩ Fin)𝑆 𝑥))
20141ssrab3 4092 . . . . 5 𝑂𝐽
202 elpw2g 5339 . . . . . 6 (𝐽 ∈ Haus → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
2031, 202syl 17 . . . . 5 (𝜑 → (𝑂 ∈ 𝒫 𝐽𝑂𝐽))
204201, 203mpbiri 258 . . . 4 (𝜑𝑂 ∈ 𝒫 𝐽)
205196, 200, 204rspcdva 3623 . . 3 (𝜑 → (𝑆 𝑂 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥))
206190, 205mpd 15 . 2 (𝜑 → ∃𝑥 ∈ (𝒫 𝑂 ∩ Fin)𝑆 𝑥)
207148, 206r19.29a 3160 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 1537  wex 1776  wcel 2106  {cab 2712  wne 2938  wral 3059  wrex 3068  {crab 3433  Vcvv 3478  cdif 3960  cin 3962  wss 3963  c0 4339  𝒫 cpw 4605   cuni 4912   cint 4951   ciun 4996   ciin 4997  dom cdm 5689  ran crn 5690   Fn wfn 6558  wf 6559  ontowfo 6561  cfv 6563  (class class class)co 7431  Fincfn 8984  t crest 17467  Topctop 22915  Clsdccld 23040  clsccl 23042  Hauscha 23332  Compccmp 23410
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-pss 3983  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-int 4952  df-iun 4998  df-iin 4999  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5583  df-eprel 5589  df-po 5597  df-so 5598  df-fr 5641  df-we 5643  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-ord 6389  df-on 6390  df-lim 6391  df-suc 6392  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-ov 7434  df-oprab 7435  df-mpo 7436  df-om 7888  df-1st 8013  df-2nd 8014  df-1o 8505  df-2o 8506  df-en 8985  df-dom 8986  df-fin 8988  df-fi 9449  df-rest 17469  df-topgen 17490  df-top 22916  df-topon 22933  df-bases 22969  df-cld 23043  df-cls 23045  df-haus 23339  df-cmp 23411
This theorem is referenced by:  hauscmp  23431  hausllycmp  23518
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