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Theorem cvmseu 31557
Description: Every element in 𝑇 is a member of a unique element of 𝑇. (Contributed by Mario Carneiro, 14-Feb-2015.)
Hypotheses
Ref Expression
cvmcov.1 𝑆 = (𝑘𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ ( 𝑠 = (𝐹𝑘) ∧ ∀𝑢𝑠 (∀𝑣 ∈ (𝑠 ∖ {𝑢})(𝑢𝑣) = ∅ ∧ (𝐹𝑢) ∈ ((𝐶t 𝑢)Homeo(𝐽t 𝑘))))})
cvmseu.1 𝐵 = 𝐶
Assertion
Ref Expression
cvmseu ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → ∃!𝑥𝑇 𝐴𝑥)
Distinct variable groups:   𝑘,𝑠,𝑢,𝑣,𝑥,𝐶   𝑘,𝐹,𝑠,𝑢,𝑣,𝑥   𝑘,𝐽,𝑠,𝑢,𝑣,𝑥   𝑥,𝑆   𝑈,𝑘,𝑠,𝑢,𝑣,𝑥   𝑇,𝑠,𝑢,𝑣,𝑥   𝑢,𝐴,𝑣,𝑥   𝑣,𝐵,𝑥
Allowed substitution hints:   𝐴(𝑘,𝑠)   𝐵(𝑢,𝑘,𝑠)   𝑆(𝑣,𝑢,𝑘,𝑠)   𝑇(𝑘)

Proof of Theorem cvmseu
Dummy variable 𝑧 is distinct from all other variables.
StepHypRef Expression
1 simpr2 1233 . . . . 5 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝐴𝐵)
2 simpr3 1235 . . . . 5 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → (𝐹𝐴) ∈ 𝑈)
3 cvmcn 31543 . . . . . . 7 (𝐹 ∈ (𝐶 CovMap 𝐽) → 𝐹 ∈ (𝐶 Cn 𝐽))
43adantr 472 . . . . . 6 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝐹 ∈ (𝐶 Cn 𝐽))
5 cvmseu.1 . . . . . . 7 𝐵 = 𝐶
6 eqid 2752 . . . . . . 7 𝐽 = 𝐽
75, 6cnf 21244 . . . . . 6 (𝐹 ∈ (𝐶 Cn 𝐽) → 𝐹:𝐵 𝐽)
8 ffn 6198 . . . . . 6 (𝐹:𝐵 𝐽𝐹 Fn 𝐵)
9 elpreima 6492 . . . . . 6 (𝐹 Fn 𝐵 → (𝐴 ∈ (𝐹𝑈) ↔ (𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)))
104, 7, 8, 94syl 19 . . . . 5 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → (𝐴 ∈ (𝐹𝑈) ↔ (𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)))
111, 2, 10mpbir2and 995 . . . 4 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝐴 ∈ (𝐹𝑈))
12 simpr1 1231 . . . . 5 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝑇 ∈ (𝑆𝑈))
13 cvmcov.1 . . . . . 6 𝑆 = (𝑘𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ ( 𝑠 = (𝐹𝑘) ∧ ∀𝑢𝑠 (∀𝑣 ∈ (𝑠 ∖ {𝑢})(𝑢𝑣) = ∅ ∧ (𝐹𝑢) ∈ ((𝐶t 𝑢)Homeo(𝐽t 𝑘))))})
1413cvmsuni 31550 . . . . 5 (𝑇 ∈ (𝑆𝑈) → 𝑇 = (𝐹𝑈))
1512, 14syl 17 . . . 4 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝑇 = (𝐹𝑈))
1611, 15eleqtrrd 2834 . . 3 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → 𝐴 𝑇)
17 eluni2 4584 . . 3 (𝐴 𝑇 ↔ ∃𝑥𝑇 𝐴𝑥)
1816, 17sylib 208 . 2 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → ∃𝑥𝑇 𝐴𝑥)
19 inelcm 4168 . . . 4 ((𝐴𝑥𝐴𝑧) → (𝑥𝑧) ≠ ∅)
2013cvmsdisj 31551 . . . . . . . 8 ((𝑇 ∈ (𝑆𝑈) ∧ 𝑥𝑇𝑧𝑇) → (𝑥 = 𝑧 ∨ (𝑥𝑧) = ∅))
21203expb 1113 . . . . . . 7 ((𝑇 ∈ (𝑆𝑈) ∧ (𝑥𝑇𝑧𝑇)) → (𝑥 = 𝑧 ∨ (𝑥𝑧) = ∅))
2212, 21sylan 489 . . . . . 6 (((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) ∧ (𝑥𝑇𝑧𝑇)) → (𝑥 = 𝑧 ∨ (𝑥𝑧) = ∅))
2322ord 391 . . . . 5 (((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) ∧ (𝑥𝑇𝑧𝑇)) → (¬ 𝑥 = 𝑧 → (𝑥𝑧) = ∅))
2423necon1ad 2941 . . . 4 (((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) ∧ (𝑥𝑇𝑧𝑇)) → ((𝑥𝑧) ≠ ∅ → 𝑥 = 𝑧))
2519, 24syl5 34 . . 3 (((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) ∧ (𝑥𝑇𝑧𝑇)) → ((𝐴𝑥𝐴𝑧) → 𝑥 = 𝑧))
2625ralrimivva 3101 . 2 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → ∀𝑥𝑇𝑧𝑇 ((𝐴𝑥𝐴𝑧) → 𝑥 = 𝑧))
27 eleq2w 2815 . . 3 (𝑥 = 𝑧 → (𝐴𝑥𝐴𝑧))
2827reu4 3533 . 2 (∃!𝑥𝑇 𝐴𝑥 ↔ (∃𝑥𝑇 𝐴𝑥 ∧ ∀𝑥𝑇𝑧𝑇 ((𝐴𝑥𝐴𝑧) → 𝑥 = 𝑧)))
2918, 26, 28sylanbrc 701 1 ((𝐹 ∈ (𝐶 CovMap 𝐽) ∧ (𝑇 ∈ (𝑆𝑈) ∧ 𝐴𝐵 ∧ (𝐹𝐴) ∈ 𝑈)) → ∃!𝑥𝑇 𝐴𝑥)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wo 382  wa 383  w3a 1072   = wceq 1624  wcel 2131  wne 2924  wral 3042  wrex 3043  ∃!wreu 3044  {crab 3046  cdif 3704  cin 3706  c0 4050  𝒫 cpw 4294  {csn 4313   cuni 4580  cmpt 4873  ccnv 5257  cres 5260  cima 5261   Fn wfn 6036  wf 6037  cfv 6041  (class class class)co 6805  t crest 16275   Cn ccn 21222  Homeochmeo 21750   CovMap ccvm 31536
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1863  ax-4 1878  ax-5 1980  ax-6 2046  ax-7 2082  ax-8 2133  ax-9 2140  ax-10 2160  ax-11 2175  ax-12 2188  ax-13 2383  ax-ext 2732  ax-sep 4925  ax-nul 4933  ax-pow 4984  ax-pr 5047  ax-un 7106
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1074  df-tru 1627  df-ex 1846  df-nf 1851  df-sb 2039  df-eu 2603  df-mo 2604  df-clab 2739  df-cleq 2745  df-clel 2748  df-nfc 2883  df-ne 2925  df-ral 3047  df-rex 3048  df-reu 3049  df-rmo 3050  df-rab 3051  df-v 3334  df-sbc 3569  df-csb 3667  df-dif 3710  df-un 3712  df-in 3714  df-ss 3721  df-nul 4051  df-if 4223  df-pw 4296  df-sn 4314  df-pr 4316  df-op 4320  df-uni 4581  df-br 4797  df-opab 4857  df-mpt 4874  df-id 5166  df-xp 5264  df-rel 5265  df-cnv 5266  df-co 5267  df-dm 5268  df-rn 5269  df-res 5270  df-ima 5271  df-iota 6004  df-fun 6043  df-fn 6044  df-f 6045  df-fv 6049  df-ov 6808  df-oprab 6809  df-mpt2 6810  df-map 8017  df-top 20893  df-topon 20910  df-cn 21225  df-cvm 31537
This theorem is referenced by:  cvmsiota  31558
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