Theorem heiborlem9 35904

Description: Lemma for heibor 35906. Discharge the hypotheses of heiborlem8 35903 by applying caubl 24377 to get a convergent point and adding the open cover assumption. (Contributed by Jeff Madsen, 20-Jan-2014.)

Hypotheses

Ref	Expression
heibor.1	⊢ 𝐽 = (MetOpen‘𝐷)
heibor.3	⊢ 𝐾 = {𝑢 ∣ ¬ ∃𝑣 ∈ (𝒫 𝑈 ∩ Fin)𝑢 ⊆ ∪ 𝑣}
heibor.4	⊢ 𝐺 = {⟨𝑦, 𝑛⟩ ∣ (𝑛 ∈ ℕ0 ∧ 𝑦 ∈ (𝐹‘𝑛) ∧ (𝑦𝐵𝑛) ∈ 𝐾)}
heibor.5	⊢ 𝐵 = (𝑧 ∈ 𝑋, 𝑚 ∈ ℕ0 ↦ (𝑧(ball‘𝐷)(1 / (2↑𝑚))))
heibor.6	⊢ (𝜑 → 𝐷 ∈ (CMet‘𝑋))
heibor.7	⊢ (𝜑 → 𝐹:ℕ0⟶(𝒫 𝑋 ∩ Fin))
heibor.8	⊢ (𝜑 → ∀𝑛 ∈ ℕ0 𝑋 = ∪ 𝑦 ∈ (𝐹‘𝑛)(𝑦𝐵𝑛))
heibor.9	⊢ (𝜑 → ∀𝑥 ∈ 𝐺 ((𝑇‘𝑥)𝐺((2nd ‘𝑥) + 1) ∧ ((𝐵‘𝑥) ∩ ((𝑇‘𝑥)𝐵((2nd ‘𝑥) + 1))) ∈ 𝐾))
heibor.10	⊢ (𝜑 → 𝐶𝐺0)
heibor.11	⊢ 𝑆 = seq0(𝑇, (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐶, (𝑚 − 1))))
heibor.12	⊢ 𝑀 = (𝑛 ∈ ℕ ↦ ⟨(𝑆‘𝑛), (3 / (2↑𝑛))⟩)
heibor.13	⊢ (𝜑 → 𝑈 ⊆ 𝐽)
heiborlem9.14	⊢ (𝜑 → ∪ 𝑈 = 𝑋)

Assertion

Ref	Expression
heiborlem9	⊢ (𝜑 → 𝜓)

Distinct variable groups:   𝑥,𝑛,𝑦,𝑢,𝐹   𝑥,𝐺   𝜑,𝑥   𝑚,𝑛,𝑢,𝑣,𝑥,𝑦,𝑧,𝐷   𝑚,𝑀,𝑢,𝑥,𝑦,𝑧   𝑇,𝑚,𝑛,𝑥,𝑦,𝑧   𝐵,𝑛,𝑢,𝑣,𝑦   𝑚,𝐽,𝑛,𝑢,𝑣,𝑥,𝑦,𝑧   𝑈,𝑛,𝑢,𝑣,𝑥,𝑦,𝑧   𝜓,𝑦,𝑧   𝑆,𝑚,𝑛,𝑢,𝑣,𝑥,𝑦,𝑧   𝑚,𝑋,𝑛,𝑢,𝑣,𝑥,𝑦,𝑧   𝐶,𝑚,𝑛,𝑢,𝑣,𝑦   𝑛,𝐾,𝑥,𝑦,𝑧   𝑥,𝐵

Allowed substitution hints:   𝜑(𝑦,𝑧,𝑣,𝑢,𝑚,𝑛)   𝜓(𝑥,𝑣,𝑢,𝑚,𝑛)   𝐵(𝑧,𝑚)   𝐶(𝑥,𝑧)   𝑇(𝑣,𝑢)   𝑈(𝑚)   𝐹(𝑧,𝑣,𝑚)   𝐺(𝑦,𝑧,𝑣,𝑢,𝑚,𝑛)   𝐾(𝑣,𝑢,𝑚)   𝑀(𝑣,𝑛)

Proof of Theorem heiborlem9

Dummy variables 𝑡 𝑘 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		heibor.6	. . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ (CMet‘𝑋))
2		cmetmet 24355	. . . . . . 7 ⊢ (𝐷 ∈ (CMet‘𝑋) → 𝐷 ∈ (Met‘𝑋))
3		metxmet 23395	. . . . . . 7 ⊢ (𝐷 ∈ (Met‘𝑋) → 𝐷 ∈ (∞Met‘𝑋))
4	1, 2, 3	3syl 18	. . . . . 6 ⊢ (𝜑 → 𝐷 ∈ (∞Met‘𝑋))
5		heibor.1	. . . . . . 7 ⊢ 𝐽 = (MetOpen‘𝐷)
6	5	mopntopon 23500	. . . . . 6 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ (TopOn‘𝑋))
7	4, 6	syl 17	. . . . 5 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
8		heibor.3	. . . . . . . . 9 ⊢ 𝐾 = {𝑢 ∣ ¬ ∃𝑣 ∈ (𝒫 𝑈 ∩ Fin)𝑢 ⊆ ∪ 𝑣}
9		heibor.4	. . . . . . . . 9 ⊢ 𝐺 = {⟨𝑦, 𝑛⟩ ∣ (𝑛 ∈ ℕ0 ∧ 𝑦 ∈ (𝐹‘𝑛) ∧ (𝑦𝐵𝑛) ∈ 𝐾)}
10		heibor.5	. . . . . . . . 9 ⊢ 𝐵 = (𝑧 ∈ 𝑋, 𝑚 ∈ ℕ0 ↦ (𝑧(ball‘𝐷)(1 / (2↑𝑚))))
11		heibor.7	. . . . . . . . 9 ⊢ (𝜑 → 𝐹:ℕ0⟶(𝒫 𝑋 ∩ Fin))
12		heibor.8	. . . . . . . . 9 ⊢ (𝜑 → ∀𝑛 ∈ ℕ0 𝑋 = ∪ 𝑦 ∈ (𝐹‘𝑛)(𝑦𝐵𝑛))
13		heibor.9	. . . . . . . . 9 ⊢ (𝜑 → ∀𝑥 ∈ 𝐺 ((𝑇‘𝑥)𝐺((2nd ‘𝑥) + 1) ∧ ((𝐵‘𝑥) ∩ ((𝑇‘𝑥)𝐵((2nd ‘𝑥) + 1))) ∈ 𝐾))
14		heibor.10	. . . . . . . . 9 ⊢ (𝜑 → 𝐶𝐺0)
15		heibor.11	. . . . . . . . 9 ⊢ 𝑆 = seq0(𝑇, (𝑚 ∈ ℕ0 ↦ if(𝑚 = 0, 𝐶, (𝑚 − 1))))
16		heibor.12	. . . . . . . . 9 ⊢ 𝑀 = (𝑛 ∈ ℕ ↦ ⟨(𝑆‘𝑛), (3 / (2↑𝑛))⟩)
17	5, 8, 9, 10, 1, 11, 12, 13, 14, 15, 16	heiborlem5 35900	. . . . . . . 8 ⊢ (𝜑 → 𝑀:ℕ⟶(𝑋 × ℝ+))
18	5, 8, 9, 10, 1, 11, 12, 13, 14, 15, 16	heiborlem6 35901	. . . . . . . 8 ⊢ (𝜑 → ∀𝑘 ∈ ℕ ((ball‘𝐷)‘(𝑀‘(𝑘 + 1))) ⊆ ((ball‘𝐷)‘(𝑀‘𝑘)))
19	5, 8, 9, 10, 1, 11, 12, 13, 14, 15, 16	heiborlem7 35902	. . . . . . . . 9 ⊢ ∀𝑟 ∈ ℝ+ ∃𝑘 ∈ ℕ (2nd ‘(𝑀‘𝑘)) < 𝑟
20	19	a1i 11	. . . . . . . 8 ⊢ (𝜑 → ∀𝑟 ∈ ℝ+ ∃𝑘 ∈ ℕ (2nd ‘(𝑀‘𝑘)) < 𝑟)
21	4, 17, 18, 20	caubl 24377	. . . . . . 7 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ (Cau‘𝐷))
22	5	cmetcau 24358	. . . . . . 7 ⊢ ((𝐷 ∈ (CMet‘𝑋) ∧ (1st ∘ 𝑀) ∈ (Cau‘𝐷)) → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
23	1, 21, 22	syl2anc 583	. . . . . 6 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
24	5	methaus 23582	. . . . . . . 8 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ Haus)
25	4, 24	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ Haus)
26		lmfun 22440	. . . . . . 7 ⊢ (𝐽 ∈ Haus → Fun (⇝𝑡‘𝐽))
27		funfvbrb 6910	. . . . . . 7 ⊢ (Fun (⇝𝑡‘𝐽) → ((1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽) ↔ (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀))))
28	25, 26, 27	3syl 18	. . . . . 6 ⊢ (𝜑 → ((1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽) ↔ (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀))))
29	23, 28	mpbid 231	. . . . 5 ⊢ (𝜑 → (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)))
30		lmcl 22356	. . . . 5 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀))) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
31	7, 29, 30	syl2anc 583	. . . 4 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
32		heiborlem9.14	. . . 4 ⊢ (𝜑 → ∪ 𝑈 = 𝑋)
33	31, 32	eleqtrrd 2842	. . 3 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈)
34		eluni2 4840	. . 3 ⊢ (((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈 ↔ ∃𝑡 ∈ 𝑈 ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
35	33, 34	sylib 217	. 2 ⊢ (𝜑 → ∃𝑡 ∈ 𝑈 ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
36	1	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝐷 ∈ (CMet‘𝑋))
37	11	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝐹:ℕ0⟶(𝒫 𝑋 ∩ Fin))
38	12	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → ∀𝑛 ∈ ℕ0 𝑋 = ∪ 𝑦 ∈ (𝐹‘𝑛)(𝑦𝐵𝑛))
39	13	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → ∀𝑥 ∈ 𝐺 ((𝑇‘𝑥)𝐺((2nd ‘𝑥) + 1) ∧ ((𝐵‘𝑥) ∩ ((𝑇‘𝑥)𝐵((2nd ‘𝑥) + 1))) ∈ 𝐾))
40	14	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝐶𝐺0)
41		heibor.13	. . . 4 ⊢ (𝜑 → 𝑈 ⊆ 𝐽)
42	41	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝑈 ⊆ 𝐽)
43		fvex 6769	. . 3 ⊢ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ V
44		simprr 769	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
45		simprl 767	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝑡 ∈ 𝑈)
46	29	adantr 480	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)))
47	5, 8, 9, 10, 36, 37, 38, 39, 40, 15, 16, 42, 43, 44, 45, 46	heiborlem8 35903	. 2 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝜓)
48	35, 47	rexlimddv 3219	1 ⊢ (𝜑 → 𝜓)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 205   ∧ wa 395   ∧ w3a 1085   = wceq 1539   ∈ wcel 2108  {cab 2715  ∀wral 3063  ∃wrex 3064   ∩ cin 3882   ⊆ wss 3883  ifcif 4456  𝒫 cpw 4530  ⟨cop 4564  ∪ cuni 4836  ∪ ciun 4921   class class class wbr 5070  {copab 5132   ↦ cmpt 5153  dom cdm 5580   ∘ ccom 5584  Fun wfun 6412  ⟶wf 6414  ‘cfv 6418  (class class class)co 7255   ∈ cmpo 7257  1^st c1st 7802  2^nd c2nd 7803  Fincfn 8691  0cc0 10802  1c1 10803   + caddc 10805   < clt 10940   − cmin 11135   / cdiv 11562  ℕcn 11903  2c2 11958  3c3 11959  ℕ₀cn0 12163  ℝ⁺crp 12659  seqcseq 13649  ↑cexp 13710  ∞Metcxmet 20495  Metcmet 20496  ballcbl 20497  MetOpencmopn 20500  TopOnctopon 21967  ⇝_𝑡clm 22285  Hauscha 22367  Cauccau 24322  CMetccmet 24323

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879  ax-pre-sup 10880

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-int 4877  df-iun 4923  df-iin 4924  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-1st 7804  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-er 8456  df-map 8575  df-pm 8576  df-en 8692  df-dom 8693  df-sdom 8694  df-fin 8695  df-sup 9131  df-inf 9132  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-div 11563  df-nn 11904  df-2 11966  df-3 11967  df-n0 12164  df-z 12250  df-uz 12512  df-q 12618  df-rp 12660  df-xneg 12777  df-xadd 12778  df-xmul 12779  df-ico 13014  df-icc 13015  df-fl 13440  df-seq 13650  df-exp 13711  df-rest 17050  df-topgen 17071  df-psmet 20502  df-xmet 20503  df-met 20504  df-bl 20505  df-mopn 20506  df-fbas 20507  df-fg 20508  df-top 21951  df-topon 21968  df-bases 22004  df-cld 22078  df-ntr 22079  df-cls 22080  df-nei 22157  df-lm 22288  df-haus 22374  df-fil 22905  df-fm 22997  df-flim 22998  df-flf 22999  df-cfil 24324  df-cau 24325  df-cmet 24326

This theorem is referenced by:  heiborlem10  35905