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Theorem cvmlift2lem9a 36154
Description: Lemma for cvmlift2 36167 and cvmlift3 36179. (Contributed by Mario Carneiro, 9-Jul-2015.)
Hypotheses
Ref Expression
cvmlift2lem9a.b 𝐵 = ∪ 𝐶
cvmlift2lem9a.y 𝑌 = ∪ 𝐾
cvmlift2lem9a.s 𝑆 = (𝑘 ∈ 𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ (∪ 𝑠 = (◡𝐹 “ 𝑘) ∧ ∀𝑐 ∈ 𝑠 (∀𝑑 ∈ (𝑠 ∖ {𝑐})(𝑐 ∩ 𝑑) = ∅ ∧ (𝐹 ↾ 𝑐) ∈ ((𝐶 ↾t 𝑐)Homeo(𝐽 ↾t 𝑘))))})
cvmlift2lem9a.f (𝜑 → 𝐹 ∈ (𝐶 CovMap 𝐽))
cvmlift2lem9a.h (𝜑 → 𝐻:𝑌⟶𝐵)
cvmlift2lem9a.g (𝜑 → (𝐹 ∘ 𝐻) ∈ (𝐾 Cn 𝐽))
cvmlift2lem9a.k (𝜑 → 𝐾 ∈ Top)
cvmlift2lem9a.1 (𝜑 → 𝑋 ∈ 𝑌)
cvmlift2lem9a.2 (𝜑 → 𝑇 ∈ (𝑆‘𝐴))
cvmlift2lem9a.3 (𝜑 → (𝑊 ∈ 𝑇 ∧ (𝐻‘𝑋) ∈ 𝑊))
cvmlift2lem9a.4 (𝜑 → 𝑀 ⊆ 𝑌)
cvmlift2lem9a.6 (𝜑 → (𝐻 “ 𝑀) ⊆ 𝑊)
Assertion
Ref Expression
cvmlift2lem9a (𝜑 → (𝐻 ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐶))
Distinct variable groups:   𝑐,𝑑,𝑘,𝑠,𝐴   𝐹,𝑐,𝑑,𝑘,𝑠   𝐽,𝑐,𝑑,𝑘,𝑠   𝑇,𝑐,𝑑,𝑠   𝐶,𝑐,𝑑,𝑘,𝑠   𝑊,𝑐,𝑑
Allowed substitution hints:   𝜑(𝑘, 𝑠, 𝑐, 𝑑)   𝐵(𝑘, 𝑠, 𝑐, 𝑑)   𝑆(𝑘, 𝑠, 𝑐, 𝑑)   𝑇(𝑘)   𝐻(𝑘, 𝑠, 𝑐, 𝑑)   𝐾(𝑘, 𝑠, 𝑐, 𝑑)   𝑀(𝑘, 𝑠, 𝑐, 𝑑)   𝑊(𝑘, 𝑠)   𝑋(𝑘, 𝑠, 𝑐, 𝑑)   𝑌(𝑘, 𝑠, 𝑐, 𝑑)

Proof of Theorem cvmlift2lem9a
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 cvmlift2lem9a.f . . . 4 (𝜑 → 𝐹 ∈ (𝐶 CovMap 𝐽))
2 cvmtop1 36111 . . . 4 (𝐹 ∈ (𝐶 CovMap 𝐽) → 𝐶 ∈ Top)
31, 2syl 18 . . 3 (𝜑 → 𝐶 ∈ Top)
4 cnrest2r 23610 . . 3 (𝐶 ∈ Top → ((𝐾 ↾t 𝑀) Cn (𝐶 ↾t 𝑊)) ⊆ ((𝐾 ↾t 𝑀) Cn 𝐶))
53, 4syl 18 . 2 (𝜑 → ((𝐾 ↾t 𝑀) Cn (𝐶 ↾t 𝑊)) ⊆ ((𝐾 ↾t 𝑀) Cn 𝐶))
6 cvmlift2lem9a.h . . . . . 6 (𝜑 → 𝐻:𝑌⟶𝐵)
76ffnd 6710 . . . . 5 (𝜑 → 𝐻 Fn 𝑌)
8 cvmlift2lem9a.4 . . . . 5 (𝜑 → 𝑀 ⊆ 𝑌)
9 fnssres 6662 . . . . 5 ((𝐻 Fn 𝑌 ∧ 𝑀 ⊆ 𝑌) → (𝐻 ↾ 𝑀) Fn 𝑀)
107, 8, 9syl2anc 596 . . . 4 (𝜑 → (𝐻 ↾ 𝑀) Fn 𝑀)
11 df-ima 5663 . . . . 5 (𝐻 “ 𝑀) = ran (𝐻 ↾ 𝑀)
12 cvmlift2lem9a.6 . . . . 5 (𝜑 → (𝐻 “ 𝑀) ⊆ 𝑊)
1311, 12eqsstrrid 3947 . . . 4 (𝜑 → ran (𝐻 ↾ 𝑀) ⊆ 𝑊)
14 df-f 6542 . . . 4 ((𝐻 ↾ 𝑀):𝑀⟶𝑊 ↔ ((𝐻 ↾ 𝑀) Fn 𝑀 ∧ ran (𝐻 ↾ 𝑀) ⊆ 𝑊))
1510, 13, 14sylanbrc 595 . . 3 (𝜑 → (𝐻 ↾ 𝑀):𝑀⟶𝑊)
16 cvmlift2lem9a.2 . . . . . . . . . . 11 (𝜑 → 𝑇 ∈ (𝑆‘𝐴))
17 cvmlift2lem9a.3 . . . . . . . . . . . 12 (𝜑 → (𝑊 ∈ 𝑇 ∧ (𝐻‘𝑋) ∈ 𝑊))
1817simpld 500 . . . . . . . . . . 11 (𝜑 → 𝑊 ∈ 𝑇)
19 cvmlift2lem9a.s . . . . . . . . . . . 12 𝑆 = (𝑘 ∈ 𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ (∪ 𝑠 = (◡𝐹 “ 𝑘) ∧ ∀𝑐 ∈ 𝑠 (∀𝑑 ∈ (𝑠 ∖ {𝑐})(𝑐 ∩ 𝑑) = ∅ ∧ (𝐹 ↾ 𝑐) ∈ ((𝐶 ↾t 𝑐)Homeo(𝐽 ↾t 𝑘))))})
2019cvmsf1o 36123 . . . . . . . . . . 11 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ 𝑇 ∈ (𝑆‘𝐴) ∧ 𝑊 ∈ 𝑇) → (𝐹 ↾ 𝑊):𝑊–1-1-onto→𝐴)
211, 16, 18, 20syl3anc 1398 . . . . . . . . . 10 (𝜑 → (𝐹 ↾ 𝑊):𝑊–1-1-onto→𝐴)
2221adantr 486 . . . . . . . . 9 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (𝐹 ↾ 𝑊):𝑊–1-1-onto→𝐴)
23 f1of1 6823 . . . . . . . . 9 ((𝐹 ↾ 𝑊):𝑊–1-1-onto→𝐴 → (𝐹 ↾ 𝑊):𝑊–1-1→𝐴)
2422, 23syl 18 . . . . . . . 8 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (𝐹 ↾ 𝑊):𝑊–1-1→𝐴)
25 cvmlift2lem9a.b . . . . . . . . . . . 12 𝐵 = ∪ 𝐶
2625toptopon 23240 . . . . . . . . . . 11 (𝐶 ∈ Top ↔ 𝐶 ∈ (TopOn‘𝐵))
273, 26sylib 221 . . . . . . . . . 10 (𝜑 → 𝐶 ∈ (TopOn‘𝐵))
2819cvmsss 36118 . . . . . . . . . . . . 13 (𝑇 ∈ (𝑆‘𝐴) → 𝑇 ⊆ 𝐶)
2916, 28syl 18 . . . . . . . . . . . 12 (𝜑 → 𝑇 ⊆ 𝐶)
3029, 18sseldd 3909 . . . . . . . . . . 11 (𝜑 → 𝑊 ∈ 𝐶)
31 toponss 23250 . . . . . . . . . . 11 ((𝐶 ∈ (TopOn‘𝐵) ∧ 𝑊 ∈ 𝐶) → 𝑊 ⊆ 𝐵)
3227, 30, 31syl2anc 596 . . . . . . . . . 10 (𝜑 → 𝑊 ⊆ 𝐵)
33 resttopon 23484 . . . . . . . . . 10 ((𝐶 ∈ (TopOn‘𝐵) ∧ 𝑊 ⊆ 𝐵) → (𝐶 ↾t 𝑊) ∈ (TopOn‘𝑊))
3427, 32, 33syl2anc 596 . . . . . . . . 9 (𝜑 → (𝐶 ↾t 𝑊) ∈ (TopOn‘𝑊))
35 toponss 23250 . . . . . . . . 9 (((𝐶 ↾t 𝑊) ∈ (TopOn‘𝑊) ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → 𝑥 ⊆ 𝑊)
3634, 35sylan 592 . . . . . . . 8 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → 𝑥 ⊆ 𝑊)
37 f1imacnv 6841 . . . . . . . 8 (((𝐹 ↾ 𝑊):𝑊–1-1→𝐴 ∧ 𝑥 ⊆ 𝑊) → (◡(𝐹 ↾ 𝑊) “ ((𝐹 ↾ 𝑊) “ 𝑥)) = 𝑥)
3824, 36, 37syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐹 ↾ 𝑊) “ ((𝐹 ↾ 𝑊) “ 𝑥)) = 𝑥)
3938imaeq2d 6051 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐻 ↾ 𝑀) “ (◡(𝐹 ↾ 𝑊) “ ((𝐹 ↾ 𝑊) “ 𝑥))) = (◡(𝐻 ↾ 𝑀) “ 𝑥))
40 imaco 6252 . . . . . . 7 ((◡(𝐻 ↾ 𝑀) ∘ ◡(𝐹 ↾ 𝑊)) “ ((𝐹 ↾ 𝑊) “ 𝑥)) = (◡(𝐻 ↾ 𝑀) “ (◡(𝐹 ↾ 𝑊) “ ((𝐹 ↾ 𝑊) “ 𝑥)))
41 cnvco 5866 . . . . . . . . 9 ◡((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = (◡(𝐻 ↾ 𝑀) ∘ ◡(𝐹 ↾ 𝑊))
42 cores 6250 . . . . . . . . . . . . 13 (ran (𝐻 ↾ 𝑀) ⊆ 𝑊 → ((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = (𝐹 ∘ (𝐻 ↾ 𝑀)))
4313, 42syl 18 . . . . . . . . . . . 12 (𝜑 → ((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = (𝐹 ∘ (𝐻 ↾ 𝑀)))
44 resco 6251 . . . . . . . . . . . 12 ((𝐹 ∘ 𝐻) ↾ 𝑀) = (𝐹 ∘ (𝐻 ↾ 𝑀))
4543, 44eqtr4di 2813 . . . . . . . . . . 11 (𝜑 → ((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = ((𝐹 ∘ 𝐻) ↾ 𝑀))
4645adantr 486 . . . . . . . . . 10 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = ((𝐹 ∘ 𝐻) ↾ 𝑀))
4746cnveqd 5852 . . . . . . . . 9 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ◡((𝐹 ↾ 𝑊) ∘ (𝐻 ↾ 𝑀)) = ◡((𝐹 ∘ 𝐻) ↾ 𝑀))
4841, 47eqtr3id 2809 . . . . . . . 8 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐻 ↾ 𝑀) ∘ ◡(𝐹 ↾ 𝑊)) = ◡((𝐹 ∘ 𝐻) ↾ 𝑀))
4948imaeq1d 6050 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ((◡(𝐻 ↾ 𝑀) ∘ ◡(𝐹 ↾ 𝑊)) “ ((𝐹 ↾ 𝑊) “ 𝑥)) = (◡((𝐹 ∘ 𝐻) ↾ 𝑀) “ ((𝐹 ↾ 𝑊) “ 𝑥)))
5040, 49eqtr3id 2809 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐻 ↾ 𝑀) “ (◡(𝐹 ↾ 𝑊) “ ((𝐹 ↾ 𝑊) “ 𝑥))) = (◡((𝐹 ∘ 𝐻) ↾ 𝑀) “ ((𝐹 ↾ 𝑊) “ 𝑥)))
5139, 50eqtr3d 2797 . . . . 5 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐻 ↾ 𝑀) “ 𝑥) = (◡((𝐹 ∘ 𝐻) ↾ 𝑀) “ ((𝐹 ↾ 𝑊) “ 𝑥)))
52 cvmlift2lem9a.g . . . . . . . 8 (𝜑 → (𝐹 ∘ 𝐻) ∈ (𝐾 Cn 𝐽))
53 cvmlift2lem9a.y . . . . . . . . 9 𝑌 = ∪ 𝐾
5453cnrest 23608 . . . . . . . 8 (((𝐹 ∘ 𝐻) ∈ (𝐾 Cn 𝐽) ∧ 𝑀 ⊆ 𝑌) → ((𝐹 ∘ 𝐻) ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐽))
5552, 8, 54syl2anc 596 . . . . . . 7 (𝜑 → ((𝐹 ∘ 𝐻) ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐽))
5655adantr 486 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ((𝐹 ∘ 𝐻) ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐽))
57 resima2 6056 . . . . . . . 8 (𝑥 ⊆ 𝑊 → ((𝐹 ↾ 𝑊) “ 𝑥) = (𝐹 “ 𝑥))
5836, 57syl 18 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ((𝐹 ↾ 𝑊) “ 𝑥) = (𝐹 “ 𝑥))
591adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → 𝐹 ∈ (𝐶 CovMap 𝐽))
60 restopn2 23500 . . . . . . . . . 10 ((𝐶 ∈ Top ∧ 𝑊 ∈ 𝐶) → (𝑥 ∈ (𝐶 ↾t 𝑊) ↔ (𝑥 ∈ 𝐶 ∧ 𝑥 ⊆ 𝑊)))
613, 30, 60syl2anc 596 . . . . . . . . 9 (𝜑 → (𝑥 ∈ (𝐶 ↾t 𝑊) ↔ (𝑥 ∈ 𝐶 ∧ 𝑥 ⊆ 𝑊)))
6261simprbda 504 . . . . . . . 8 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → 𝑥 ∈ 𝐶)
63 cvmopn 36131 . . . . . . . 8 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ 𝑥 ∈ 𝐶) → (𝐹 “ 𝑥) ∈ 𝐽)
6459, 62, 63syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (𝐹 “ 𝑥) ∈ 𝐽)
6558, 64eqeltrd 2860 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → ((𝐹 ↾ 𝑊) “ 𝑥) ∈ 𝐽)
66 cnima 23588 . . . . . 6 ((((𝐹 ∘ 𝐻) ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐽) ∧ ((𝐹 ↾ 𝑊) “ 𝑥) ∈ 𝐽) → (◡((𝐹 ∘ 𝐻) ↾ 𝑀) “ ((𝐹 ↾ 𝑊) “ 𝑥)) ∈ (𝐾 ↾t 𝑀))
6756, 65, 66syl2anc 596 . . . . 5 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡((𝐹 ∘ 𝐻) ↾ 𝑀) “ ((𝐹 ↾ 𝑊) “ 𝑥)) ∈ (𝐾 ↾t 𝑀))
6851, 67eqeltrd 2860 . . . 4 ((𝜑 ∧ 𝑥 ∈ (𝐶 ↾t 𝑊)) → (◡(𝐻 ↾ 𝑀) “ 𝑥) ∈ (𝐾 ↾t 𝑀))
6968ralrimiva 3154 . . 3 (𝜑 → ∀𝑥 ∈ (𝐶 ↾t 𝑊)(◡(𝐻 ↾ 𝑀) “ 𝑥) ∈ (𝐾 ↾t 𝑀))
70 cvmlift2lem9a.k . . . . . 6 (𝜑 → 𝐾 ∈ Top)
7153toptopon 23240 . . . . . 6 (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘𝑌))
7270, 71sylib 221 . . . . 5 (𝜑 → 𝐾 ∈ (TopOn‘𝑌))
73 resttopon 23484 . . . . 5 ((𝐾 ∈ (TopOn‘𝑌) ∧ 𝑀 ⊆ 𝑌) → (𝐾 ↾t 𝑀) ∈ (TopOn‘𝑀))
7472, 8, 73syl2anc 596 . . . 4 (𝜑 → (𝐾 ↾t 𝑀) ∈ (TopOn‘𝑀))
75 iscn 23558 . . . 4 (((𝐾 ↾t 𝑀) ∈ (TopOn‘𝑀) ∧ (𝐶 ↾t 𝑊) ∈ (TopOn‘𝑊)) → ((𝐻 ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn (𝐶 ↾t 𝑊)) ↔ ((𝐻 ↾ 𝑀):𝑀⟶𝑊 ∧ ∀𝑥 ∈ (𝐶 ↾t 𝑊)(◡(𝐻 ↾ 𝑀) “ 𝑥) ∈ (𝐾 ↾t 𝑀))))
7674, 34, 75syl2anc 596 . . 3 (𝜑 → ((𝐻 ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn (𝐶 ↾t 𝑊)) ↔ ((𝐻 ↾ 𝑀):𝑀⟶𝑊 ∧ ∀𝑥 ∈ (𝐶 ↾t 𝑊)(◡(𝐻 ↾ 𝑀) “ 𝑥) ∈ (𝐾 ↾t 𝑀))))
7715, 69, 76mpbir2and 726 . 2 (𝜑 → (𝐻 ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn (𝐶 ↾t 𝑊)))
785, 77sseldd 3909 1 (𝜑 → (𝐻 ↾ 𝑀) ∈ ((𝐾 ↾t 𝑀) Cn 𝐶))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1569   ∈ wcel 2144  ∀wral 3076  {crab 3412   ⊆ wss 3895   ∖ cdif 4045   ∩ cin 4089  ∅c0 4278  𝒫 cpw 4556  {csn 4584  ∪ cuni 4866   ↦ cmpt 5185  ◡ccnv 5649  ran crn 5651   ↾ cres 5652   “ cima 5653   ∘ ccom 5654   Fn wfn 6533  ⟶wf 6534  –1-1→wf1 6535  –1-1-onto→wf1o 6537  ‘cfv 6538  (class class class)co 7420   ↾t crest 17596  Topctop 23216  TopOnctopon 23233   Cn ccn 23547  Homeochmeo 24077   CovMap ccvm 36106
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-pss 4014  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-int 4907  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-tr 5212  df-id 5545  df-eprel 5550  df-po 5558  df-so 5559  df-fr 5603  df-we 5605  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7878  df-1st 8001  df-2nd 8002  df-map 8852  df-en 8977  df-fin 8980  df-fi 9406  df-rest 17598  df-topgen 17619  df-top 23217  df-topon 23234  df-bases 23269  df-cn 23550  df-hmeo 24079  df-cvm 36107
This theorem is used by:  cvmlift2lem9  36162  cvmlift3lem7  36176
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