Theorem heiborlem9 37819

Description: Lemma for heibor 37821. Discharge the hypotheses of heiborlem8 37818 by applying caubl 25206 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 25184	. . . . . . 7 ⊢ (𝐷 ∈ (CMet‘𝑋) → 𝐷 ∈ (Met‘𝑋))
3		metxmet 24220	. . . . . . 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 24325	. . . . . 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 37815	. . . . . . . 8 ⊢ (𝜑 → 𝑀:ℕ⟶(𝑋 × ℝ+))
18	5, 8, 9, 10, 1, 11, 12, 13, 14, 15, 16	heiborlem6 37816	. . . . . . . 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 37817	. . . . . . . . 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 25206	. . . . . . 7 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ (Cau‘𝐷))
22	5	cmetcau 25187	. . . . . . 7 ⊢ ((𝐷 ∈ (CMet‘𝑋) ∧ (1st ∘ 𝑀) ∈ (Cau‘𝐷)) → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
23	1, 21, 22	syl2anc 584	. . . . . 6 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
24	5	methaus 24406	. . . . . . . 8 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ Haus)
25	4, 24	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ Haus)
26		lmfun 23266	. . . . . . 7 ⊢ (𝐽 ∈ Haus → Fun (⇝𝑡‘𝐽))
27		funfvbrb 6985	. . . . . . 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 232	. . . . 5 ⊢ (𝜑 → (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)))
30		lmcl 23182	. . . . 5 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀))) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
31	7, 29, 30	syl2anc 584	. . . 4 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
32		heiborlem9.14	. . . 4 ⊢ (𝜑 → ∪ 𝑈 = 𝑋)
33	31, 32	eleqtrrd 2831	. . 3 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈)
34		eluni2 4862	. . 3 ⊢ (((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈 ↔ ∃𝑡 ∈ 𝑈 ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
35	33, 34	sylib 218	. 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 6835	. . 3 ⊢ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ V
44		simprr 772	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
45		simprl 770	. . 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 37818	. 2 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝜓)
48	35, 47	rexlimddv 3136	1 ⊢ (𝜑 → 𝜓)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1540   ∈ wcel 2109  {cab 2707  ∀wral 3044  ∃wrex 3053   ∩ cin 3902   ⊆ wss 3903  ifcif 4476  𝒫 cpw 4551  ⟨cop 4583  ∪ cuni 4858  ∪ ciun 4941   class class class wbr 5092  {copab 5154   ↦ cmpt 5173  dom cdm 5619   ∘ ccom 5623  Fun wfun 6476  ⟶wf 6478  ‘cfv 6482  (class class class)co 7349   ∈ cmpo 7351  1^st c1st 7922  2^nd c2nd 7923  Fincfn 8872  0cc0 11009  1c1 11010   + caddc 11012   < clt 11149   − cmin 11347   / cdiv 11777  ℕcn 12128  2c2 12183  3c3 12184  ℕ₀cn0 12384  ℝ⁺crp 12893  seqcseq 13908  ↑cexp 13968  ∞Metcxmet 21246  Metcmet 21247  ballcbl 21248  MetOpencmopn 21251  TopOnctopon 22795  ⇝_𝑡clm 23111  Hauscha 23193  Cauccau 25151  CMetccmet 25152

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086  ax-pre-sup 11087

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-int 4897  df-iun 4943  df-iin 4944  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-1st 7924  df-2nd 7925  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-1o 8388  df-er 8625  df-map 8755  df-pm 8756  df-en 8873  df-dom 8874  df-sdom 8875  df-fin 8876  df-sup 9332  df-inf 9333  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-div 11778  df-nn 12129  df-2 12191  df-3 12192  df-n0 12385  df-z 12472  df-uz 12736  df-q 12850  df-rp 12894  df-xneg 13014  df-xadd 13015  df-xmul 13016  df-ico 13254  df-icc 13255  df-fl 13696  df-seq 13909  df-exp 13969  df-rest 17326  df-topgen 17347  df-psmet 21253  df-xmet 21254  df-met 21255  df-bl 21256  df-mopn 21257  df-fbas 21258  df-fg 21259  df-top 22779  df-topon 22796  df-bases 22831  df-cld 22904  df-ntr 22905  df-cls 22906  df-nei 22983  df-lm 23114  df-haus 23200  df-fil 23731  df-fm 23823  df-flim 23824  df-flf 23825  df-cfil 25153  df-cau 25154  df-cmet 25155

This theorem is referenced by:  heiborlem10  37820