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Theorem cvmlift2lem10 30548
Description: Lemma for cvmlift2 30552. (Contributed by Mario Carneiro, 1-Jun-2015.)
Hypotheses
Ref Expression
cvmlift2.b 𝐵 = 𝐶
cvmlift2.f (𝜑𝐹 ∈ (𝐶 CovMap 𝐽))
cvmlift2.g (𝜑𝐺 ∈ ((II ×t II) Cn 𝐽))
cvmlift2.p (𝜑𝑃𝐵)
cvmlift2.i (𝜑 → (𝐹𝑃) = (0𝐺0))
cvmlift2.h 𝐻 = (𝑓 ∈ (II Cn 𝐶)((𝐹𝑓) = (𝑧 ∈ (0[,]1) ↦ (𝑧𝐺0)) ∧ (𝑓‘0) = 𝑃))
cvmlift2.k 𝐾 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ ((𝑓 ∈ (II Cn 𝐶)((𝐹𝑓) = (𝑧 ∈ (0[,]1) ↦ (𝑥𝐺𝑧)) ∧ (𝑓‘0) = (𝐻𝑥)))‘𝑦))
cvmlift2lem10.s 𝑆 = (𝑘𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ ( 𝑠 = (𝐹𝑘) ∧ ∀𝑐𝑠 (∀𝑑 ∈ (𝑠 ∖ {𝑐})(𝑐𝑑) = ∅ ∧ (𝐹𝑐) ∈ ((𝐶t 𝑐)Homeo(𝐽t 𝑘))))})
cvmlift2lem10.1 (𝜑𝑋 ∈ (0[,]1))
cvmlift2lem10.2 (𝜑𝑌 ∈ (0[,]1))
Assertion
Ref Expression
cvmlift2lem10 (𝜑 → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶))))
Distinct variable groups:   𝑐,𝑑,𝑓,𝑘,𝑠,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧,𝐹   𝜑,𝑓,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝑆,𝑓,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝐽,𝑐,𝑑,𝑓,𝑘,𝑠,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝐺,𝑐,𝑓,𝑘,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝐻,𝑐,𝑓,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝑋,𝑐,𝑑,𝑓,𝑘,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝐶,𝑐,𝑑,𝑓,𝑘,𝑠,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝑃,𝑓,𝑘,𝑢,𝑣,𝑥,𝑦,𝑧   𝐵,𝑐,𝑑,𝑣,𝑤,𝑥,𝑦,𝑧   𝑌,𝑐,𝑑,𝑓,𝑘,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧   𝐾,𝑐,𝑑,𝑓,𝑢,𝑣,𝑤,𝑥,𝑦,𝑧
Allowed substitution hints:   𝜑(𝑘,𝑠,𝑐,𝑑)   𝐵(𝑢,𝑓,𝑘,𝑠)   𝑃(𝑤,𝑠,𝑐,𝑑)   𝑆(𝑘,𝑠,𝑐,𝑑)   𝐺(𝑠,𝑑)   𝐻(𝑘,𝑠,𝑑)   𝐾(𝑘,𝑠)   𝑋(𝑠)   𝑌(𝑠)

Proof of Theorem cvmlift2lem10
Dummy variables 𝑏 𝑚 𝑎 𝑡 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 cvmlift2.f . . 3 (𝜑𝐹 ∈ (𝐶 CovMap 𝐽))
2 cvmlift2.g . . . . 5 (𝜑𝐺 ∈ ((II ×t II) Cn 𝐽))
3 iitop 22491 . . . . . . 7 II ∈ Top
4 iiuni 22492 . . . . . . 7 (0[,]1) = II
53, 3, 4, 4txunii 21206 . . . . . 6 ((0[,]1) × (0[,]1)) = (II ×t II)
6 eqid 2610 . . . . . 6 𝐽 = 𝐽
75, 6cnf 20860 . . . . 5 (𝐺 ∈ ((II ×t II) Cn 𝐽) → 𝐺:((0[,]1) × (0[,]1))⟶ 𝐽)
82, 7syl 17 . . . 4 (𝜑𝐺:((0[,]1) × (0[,]1))⟶ 𝐽)
9 cvmlift2lem10.1 . . . . 5 (𝜑𝑋 ∈ (0[,]1))
10 cvmlift2lem10.2 . . . . 5 (𝜑𝑌 ∈ (0[,]1))
11 opelxpi 5072 . . . . 5 ((𝑋 ∈ (0[,]1) ∧ 𝑌 ∈ (0[,]1)) → ⟨𝑋, 𝑌⟩ ∈ ((0[,]1) × (0[,]1)))
129, 10, 11syl2anc 691 . . . 4 (𝜑 → ⟨𝑋, 𝑌⟩ ∈ ((0[,]1) × (0[,]1)))
138, 12ffvelrnd 6268 . . 3 (𝜑 → (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝐽)
14 cvmlift2lem10.s . . . 4 𝑆 = (𝑘𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ ( 𝑠 = (𝐹𝑘) ∧ ∀𝑐𝑠 (∀𝑑 ∈ (𝑠 ∖ {𝑐})(𝑐𝑑) = ∅ ∧ (𝐹𝑐) ∈ ((𝐶t 𝑐)Homeo(𝐽t 𝑘))))})
1514, 6cvmcov 30499 . . 3 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝐽) → ∃𝑚𝐽 ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚 ∧ (𝑆𝑚) ≠ ∅))
161, 13, 15syl2anc 691 . 2 (𝜑 → ∃𝑚𝐽 ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚 ∧ (𝑆𝑚) ≠ ∅))
17 n0 3890 . . . . 5 ((𝑆𝑚) ≠ ∅ ↔ ∃𝑡 𝑡 ∈ (𝑆𝑚))
1812adantr 480 . . . . . . . . . . 11 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ⟨𝑋, 𝑌⟩ ∈ ((0[,]1) × (0[,]1)))
19 simprl 790 . . . . . . . . . . 11 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚)
208adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → 𝐺:((0[,]1) × (0[,]1))⟶ 𝐽)
21 ffn 5958 . . . . . . . . . . . 12 (𝐺:((0[,]1) × (0[,]1))⟶ 𝐽𝐺 Fn ((0[,]1) × (0[,]1)))
22 elpreima 6245 . . . . . . . . . . . 12 (𝐺 Fn ((0[,]1) × (0[,]1)) → (⟨𝑋, 𝑌⟩ ∈ (𝐺𝑚) ↔ (⟨𝑋, 𝑌⟩ ∈ ((0[,]1) × (0[,]1)) ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚)))
2320, 21, 223syl 18 . . . . . . . . . . 11 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → (⟨𝑋, 𝑌⟩ ∈ (𝐺𝑚) ↔ (⟨𝑋, 𝑌⟩ ∈ ((0[,]1) × (0[,]1)) ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚)))
2418, 19, 23mpbir2and 959 . . . . . . . . . 10 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ⟨𝑋, 𝑌⟩ ∈ (𝐺𝑚))
252adantr 480 . . . . . . . . . . . 12 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → 𝐺 ∈ ((II ×t II) Cn 𝐽))
2614cvmsrcl 30500 . . . . . . . . . . . . 13 (𝑡 ∈ (𝑆𝑚) → 𝑚𝐽)
2726ad2antll 761 . . . . . . . . . . . 12 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → 𝑚𝐽)
28 cnima 20879 . . . . . . . . . . . 12 ((𝐺 ∈ ((II ×t II) Cn 𝐽) ∧ 𝑚𝐽) → (𝐺𝑚) ∈ (II ×t II))
2925, 27, 28syl2anc 691 . . . . . . . . . . 11 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → (𝐺𝑚) ∈ (II ×t II))
30 eltx 21181 . . . . . . . . . . . 12 ((II ∈ Top ∧ II ∈ Top) → ((𝐺𝑚) ∈ (II ×t II) ↔ ∀𝑧 ∈ (𝐺𝑚)∃𝑎 ∈ II ∃𝑏 ∈ II (𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))))
313, 3, 30mp2an 704 . . . . . . . . . . 11 ((𝐺𝑚) ∈ (II ×t II) ↔ ∀𝑧 ∈ (𝐺𝑚)∃𝑎 ∈ II ∃𝑏 ∈ II (𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)))
3229, 31sylib 207 . . . . . . . . . 10 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ∀𝑧 ∈ (𝐺𝑚)∃𝑎 ∈ II ∃𝑏 ∈ II (𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)))
33 eleq1 2676 . . . . . . . . . . . . . 14 (𝑧 = ⟨𝑋, 𝑌⟩ → (𝑧 ∈ (𝑎 × 𝑏) ↔ ⟨𝑋, 𝑌⟩ ∈ (𝑎 × 𝑏)))
34 opelxp 5070 . . . . . . . . . . . . . 14 (⟨𝑋, 𝑌⟩ ∈ (𝑎 × 𝑏) ↔ (𝑋𝑎𝑌𝑏))
3533, 34syl6bb 275 . . . . . . . . . . . . 13 (𝑧 = ⟨𝑋, 𝑌⟩ → (𝑧 ∈ (𝑎 × 𝑏) ↔ (𝑋𝑎𝑌𝑏)))
3635anbi1d 737 . . . . . . . . . . . 12 (𝑧 = ⟨𝑋, 𝑌⟩ → ((𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)) ↔ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))))
37362rexbidv 3039 . . . . . . . . . . 11 (𝑧 = ⟨𝑋, 𝑌⟩ → (∃𝑎 ∈ II ∃𝑏 ∈ II (𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)) ↔ ∃𝑎 ∈ II ∃𝑏 ∈ II ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))))
3837rspcv 3278 . . . . . . . . . 10 (⟨𝑋, 𝑌⟩ ∈ (𝐺𝑚) → (∀𝑧 ∈ (𝐺𝑚)∃𝑎 ∈ II ∃𝑏 ∈ II (𝑧 ∈ (𝑎 × 𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)) → ∃𝑎 ∈ II ∃𝑏 ∈ II ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))))
3924, 32, 38sylc 63 . . . . . . . . 9 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ∃𝑎 ∈ II ∃𝑏 ∈ II ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)))
40 iillyscon 30489 . . . . . . . . . . . . . 14 II ∈ Locally SCon
4140a1i 11 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → II ∈ Locally SCon)
42 simplrl 796 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → 𝑎 ∈ II)
43 simprll 798 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → 𝑋𝑎)
44 llyi 21087 . . . . . . . . . . . . 13 ((II ∈ Locally SCon ∧ 𝑎 ∈ II ∧ 𝑋𝑎) → ∃𝑢 ∈ II (𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon))
4541, 42, 43, 44syl3anc 1318 . . . . . . . . . . . 12 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → ∃𝑢 ∈ II (𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon))
46 simplrr 797 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → 𝑏 ∈ II)
47 simprlr 799 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → 𝑌𝑏)
48 llyi 21087 . . . . . . . . . . . . 13 ((II ∈ Locally SCon ∧ 𝑏 ∈ II ∧ 𝑌𝑏) → ∃𝑣 ∈ II (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))
4941, 46, 47, 48syl3anc 1318 . . . . . . . . . . . 12 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → ∃𝑣 ∈ II (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))
50 reeanv 3086 . . . . . . . . . . . . 13 (∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) ↔ (∃𝑢 ∈ II (𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ ∃𝑣 ∈ II (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)))
51 simpl2 1058 . . . . . . . . . . . . . . . . . 18 (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → 𝑋𝑢)
5251a1i 11 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → 𝑋𝑢))
53 simpr2 1061 . . . . . . . . . . . . . . . . . 18 (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → 𝑌𝑣)
5453a1i 11 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → 𝑌𝑣))
55 simprl1 1099 . . . . . . . . . . . . . . . . . . . 20 (((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) ∧ ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))) → 𝑢𝑎)
56 simprr1 1102 . . . . . . . . . . . . . . . . . . . 20 (((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) ∧ ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))) → 𝑣𝑏)
57 xpss12 5148 . . . . . . . . . . . . . . . . . . . 20 ((𝑢𝑎𝑣𝑏) → (𝑢 × 𝑣) ⊆ (𝑎 × 𝑏))
5855, 56, 57syl2anc 691 . . . . . . . . . . . . . . . . . . 19 (((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) ∧ ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))) → (𝑢 × 𝑣) ⊆ (𝑎 × 𝑏))
59 simplrr 797 . . . . . . . . . . . . . . . . . . 19 (((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) ∧ ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))) → (𝑎 × 𝑏) ⊆ (𝐺𝑚))
6058, 59sstrd 3578 . . . . . . . . . . . . . . . . . 18 (((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) ∧ ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon))) → (𝑢 × 𝑣) ⊆ (𝐺𝑚))
6160ex 449 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → (𝑢 × 𝑣) ⊆ (𝐺𝑚)))
6252, 54, 613jcad 1236 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → (𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚))))
63 simp3 1056 . . . . . . . . . . . . . . . . . 18 ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) → (II ↾t 𝑢) ∈ SCon)
64 simp3 1056 . . . . . . . . . . . . . . . . . 18 ((𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon) → (II ↾t 𝑣) ∈ SCon)
6563, 64anim12i 588 . . . . . . . . . . . . . . . . 17 (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))
6665a1i 11 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)))
6762, 66jcad 554 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
6867reximdv 2999 . . . . . . . . . . . . . 14 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (∃𝑣 ∈ II ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
6968reximdv 2999 . . . . . . . . . . . . 13 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → (∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
7050, 69syl5bir 232 . . . . . . . . . . . 12 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → ((∃𝑢 ∈ II (𝑢𝑎𝑋𝑢 ∧ (II ↾t 𝑢) ∈ SCon) ∧ ∃𝑣 ∈ II (𝑣𝑏𝑌𝑣 ∧ (II ↾t 𝑣) ∈ SCon)) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
7145, 49, 70mp2and 711 . . . . . . . . . . 11 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) ∧ ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚))) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)))
7271ex 449 . . . . . . . . . 10 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑎 ∈ II ∧ 𝑏 ∈ II)) → (((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
7372rexlimdvva 3020 . . . . . . . . 9 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → (∃𝑎 ∈ II ∃𝑏 ∈ II ((𝑋𝑎𝑌𝑏) ∧ (𝑎 × 𝑏) ⊆ (𝐺𝑚)) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))))
7439, 73mpd 15 . . . . . . . 8 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)))
75 simp3l1 1159 . . . . . . . . . . . . 13 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → 𝑋𝑢)
76 simp3l2 1160 . . . . . . . . . . . . 13 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → 𝑌𝑣)
77 cvmlift2.b . . . . . . . . . . . . . . 15 𝐵 = 𝐶
78 simpl1l 1105 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝜑)
7978, 1syl 17 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝐹 ∈ (𝐶 CovMap 𝐽))
8078, 2syl 17 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝐺 ∈ ((II ×t II) Cn 𝐽))
81 cvmlift2.p . . . . . . . . . . . . . . . 16 (𝜑𝑃𝐵)
8278, 81syl 17 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑃𝐵)
83 cvmlift2.i . . . . . . . . . . . . . . . 16 (𝜑 → (𝐹𝑃) = (0𝐺0))
8478, 83syl 17 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝐹𝑃) = (0𝐺0))
85 cvmlift2.h . . . . . . . . . . . . . . 15 𝐻 = (𝑓 ∈ (II Cn 𝐶)((𝐹𝑓) = (𝑧 ∈ (0[,]1) ↦ (𝑧𝐺0)) ∧ (𝑓‘0) = 𝑃))
86 cvmlift2.k . . . . . . . . . . . . . . 15 𝐾 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ ((𝑓 ∈ (II Cn 𝐶)((𝐹𝑓) = (𝑧 ∈ (0[,]1) ↦ (𝑥𝐺𝑧)) ∧ (𝑓‘0) = (𝐻𝑥)))‘𝑦))
87 df-ov 6552 . . . . . . . . . . . . . . . 16 (𝑋𝐺𝑌) = (𝐺‘⟨𝑋, 𝑌⟩)
88 simpl1r 1106 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚)))
8988simpld 474 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚)
9087, 89syl5eqel 2692 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝑋𝐺𝑌) ∈ 𝑚)
9188simprd 478 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑡 ∈ (𝑆𝑚))
92 simpl2l 1107 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑢 ∈ II)
93 simpl2r 1108 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑣 ∈ II)
94 simp3rl 1127 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → (II ↾t 𝑢) ∈ SCon)
9594adantr 480 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (II ↾t 𝑢) ∈ SCon)
96 sconpcon 30463 . . . . . . . . . . . . . . . 16 ((II ↾t 𝑢) ∈ SCon → (II ↾t 𝑢) ∈ PCon)
97 pconcon 30467 . . . . . . . . . . . . . . . 16 ((II ↾t 𝑢) ∈ PCon → (II ↾t 𝑢) ∈ Con)
9895, 96, 973syl 18 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (II ↾t 𝑢) ∈ Con)
99 simp3rr 1128 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → (II ↾t 𝑣) ∈ SCon)
10099adantr 480 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (II ↾t 𝑣) ∈ SCon)
101 sconpcon 30463 . . . . . . . . . . . . . . . 16 ((II ↾t 𝑣) ∈ SCon → (II ↾t 𝑣) ∈ PCon)
102 pconcon 30467 . . . . . . . . . . . . . . . 16 ((II ↾t 𝑣) ∈ PCon → (II ↾t 𝑣) ∈ Con)
103100, 101, 1023syl 18 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (II ↾t 𝑣) ∈ Con)
10475adantr 480 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑋𝑢)
10576adantr 480 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑌𝑣)
106 simp3l3 1161 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → (𝑢 × 𝑣) ⊆ (𝐺𝑚))
107106adantr 480 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝑢 × 𝑣) ⊆ (𝐺𝑚))
108 simprl 790 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → 𝑤𝑣)
109 simprr 792 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))
110 eqid 2610 . . . . . . . . . . . . . . 15 (𝑏𝑡 (𝑋𝐾𝑌) ∈ 𝑏) = (𝑏𝑡 (𝑋𝐾𝑌) ∈ 𝑏)
11177, 79, 80, 82, 84, 85, 86, 14, 90, 91, 92, 93, 98, 103, 104, 105, 107, 108, 109, 110cvmlift2lem9 30547 . . . . . . . . . . . . . 14 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) ∧ (𝑤𝑣 ∧ (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶))) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶))
112111rexlimdvaa 3014 . . . . . . . . . . . . 13 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))
11375, 76, 1123jca 1235 . . . . . . . . . . . 12 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II) ∧ ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon))) → (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶))))
1141133expia 1259 . . . . . . . . . . 11 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ (𝑢 ∈ II ∧ 𝑣 ∈ II)) → (((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)) → (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
115114anassrs 678 . . . . . . . . . 10 ((((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ 𝑢 ∈ II) ∧ 𝑣 ∈ II) → (((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)) → (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
116115reximdva 3000 . . . . . . . . 9 (((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) ∧ 𝑢 ∈ II) → (∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)) → ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
117116reximdva 3000 . . . . . . . 8 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → (∃𝑢 ∈ II ∃𝑣 ∈ II ((𝑋𝑢𝑌𝑣 ∧ (𝑢 × 𝑣) ⊆ (𝐺𝑚)) ∧ ((II ↾t 𝑢) ∈ SCon ∧ (II ↾t 𝑣) ∈ SCon)) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
11874, 117mpd 15 . . . . . . 7 ((𝜑 ∧ ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚𝑡 ∈ (𝑆𝑚))) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶))))
119118expr 641 . . . . . 6 ((𝜑 ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚) → (𝑡 ∈ (𝑆𝑚) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
120119exlimdv 1848 . . . . 5 ((𝜑 ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚) → (∃𝑡 𝑡 ∈ (𝑆𝑚) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
12117, 120syl5bi 231 . . . 4 ((𝜑 ∧ (𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚) → ((𝑆𝑚) ≠ ∅ → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
122121expimpd 627 . . 3 (𝜑 → (((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚 ∧ (𝑆𝑚) ≠ ∅) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
123122rexlimdvw 3016 . 2 (𝜑 → (∃𝑚𝐽 ((𝐺‘⟨𝑋, 𝑌⟩) ∈ 𝑚 ∧ (𝑆𝑚) ≠ ∅) → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶)))))
12416, 123mpd 15 1 (𝜑 → ∃𝑢 ∈ II ∃𝑣 ∈ II (𝑋𝑢𝑌𝑣 ∧ (∃𝑤𝑣 (𝐾 ↾ (𝑢 × {𝑤})) ∈ (((II ×t II) ↾t (𝑢 × {𝑤})) Cn 𝐶) → (𝐾 ↾ (𝑢 × 𝑣)) ∈ (((II ×t II) ↾t (𝑢 × 𝑣)) Cn 𝐶))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 195  wa 383  w3a 1031   = wceq 1475  wex 1695  wcel 1977  wne 2780  wral 2896  wrex 2897  {crab 2900  cdif 3537  cin 3539  wss 3540  c0 3874  𝒫 cpw 4108  {csn 4125  cop 4131   cuni 4372  cmpt 4643   × cxp 5036  ccnv 5037  cres 5040  cima 5041  ccom 5042   Fn wfn 5799  wf 5800  cfv 5804  crio 6510  (class class class)co 6549  cmpt2 6551  0cc0 9815  1c1 9816  [,]cicc 12049  t crest 15904  Topctop 20517   Cn ccn 20838  Conccon 21024  Locally clly 21077   ×t ctx 21173  Homeochmeo 21366  IIcii 22486  PConcpcon 30455  SConcscon 30456   CovMap ccvm 30491
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-pre-sup 9893  ax-addf 9894  ax-mulf 9895
This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-fal 1481  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-om 6958  df-1st 7059  df-2nd 7060  df-supp 7183  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-2o 7448  df-oadd 7451  df-er 7629  df-ec 7631  df-map 7746  df-ixp 7795  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-fsupp 8159  df-fi 8200  df-sup 8231  df-inf 8232  df-oi 8298  df-card 8648  df-cda 8873  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-z 11255  df-dec 11370  df-uz 11564  df-q 11665  df-rp 11709  df-xneg 11822  df-xadd 11823  df-xmul 11824  df-ioo 12050  df-ico 12052  df-icc 12053  df-fz 12198  df-fzo 12335  df-fl 12455  df-seq 12664  df-exp 12723  df-hash 12980  df-cj 13687  df-re 13688  df-im 13689  df-sqrt 13823  df-abs 13824  df-clim 14067  df-sum 14265  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-starv 15783  df-sca 15784  df-vsca 15785  df-ip 15786  df-tset 15787  df-ple 15788  df-ds 15791  df-unif 15792  df-hom 15793  df-cco 15794  df-rest 15906  df-topn 15907  df-0g 15925  df-gsum 15926  df-topgen 15927  df-pt 15928  df-prds 15931  df-xrs 15985  df-qtop 15990  df-imas 15991  df-xps 15993  df-mre 16069  df-mrc 16070  df-acs 16072  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-submnd 17159  df-mulg 17364  df-cntz 17573  df-cmn 18018  df-psmet 19559  df-xmet 19560  df-met 19561  df-bl 19562  df-mopn 19563  df-cnfld 19568  df-top 20521  df-bases 20522  df-topon 20523  df-topsp 20524  df-cld 20633  df-ntr 20634  df-cls 20635  df-nei 20712  df-cn 20841  df-cnp 20842  df-cmp 21000  df-con 21025  df-lly 21079  df-nlly 21080  df-tx 21175  df-hmeo 21368  df-xms 21935  df-ms 21936  df-tms 21937  df-ii 22488  df-htpy 22577  df-phtpy 22578  df-phtpc 22599  df-pcon 30457  df-scon 30458  df-cvm 30492
This theorem is referenced by:  cvmlift2lem12  30550
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