Theorem heiborlem9 32788

Description: Lemma for heibor 32790. Discharge the hypotheses of heiborlem8 32787 by applying caubl 22914 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 22892	. . . . . . 7 ⊢ (𝐷 ∈ (CMet‘𝑋) → 𝐷 ∈ (Met‘𝑋))
3		metxmet 21949	. . . . . . 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 22054	. . . . . 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 32784	. . . . . . . 8 ⊢ (𝜑 → 𝑀:ℕ⟶(𝑋 × ℝ+))
18	5, 8, 9, 10, 1, 11, 12, 13, 14, 15, 16	heiborlem6 32785	. . . . . . . 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 32786	. . . . . . . . 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 22914	. . . . . . 7 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ (Cau‘𝐷))
22	5	cmetcau 22895	. . . . . . 7 ⊢ ((𝐷 ∈ (CMet‘𝑋) ∧ (1st ∘ 𝑀) ∈ (Cau‘𝐷)) → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
23	1, 21, 22	syl2anc 691	. . . . . 6 ⊢ (𝜑 → (1st ∘ 𝑀) ∈ dom (⇝𝑡‘𝐽))
24	5	methaus 22135	. . . . . . . 8 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ Haus)
25	4, 24	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ Haus)
26		lmfun 20995	. . . . . . 7 ⊢ (𝐽 ∈ Haus → Fun (⇝𝑡‘𝐽))
27		funfvbrb 6238	. . . . . . 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 221	. . . . 5 ⊢ (𝜑 → (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)))
30		lmcl 20911	. . . . 5 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ (1st ∘ 𝑀)(⇝𝑡‘𝐽)((⇝𝑡‘𝐽)‘(1st ∘ 𝑀))) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
31	7, 29, 30	syl2anc 691	. . . 4 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑋)
32		heiborlem9.14	. . . 4 ⊢ (𝜑 → ∪ 𝑈 = 𝑋)
33	31, 32	eleqtrrd 2691	. . 3 ⊢ (𝜑 → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈)
34		eluni2 4376	. . 3 ⊢ (((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ ∪ 𝑈 ↔ ∃𝑡 ∈ 𝑈 ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
35	33, 34	sylib 207	. 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 6113	. . 3 ⊢ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ V
44		simprr 792	. . 3 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)
45		simprl 790	. . 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 32787	. 2 ⊢ ((𝜑 ∧ (𝑡 ∈ 𝑈 ∧ ((⇝𝑡‘𝐽)‘(1st ∘ 𝑀)) ∈ 𝑡)) → 𝜓)
48	35, 47	rexlimddv 3017	1 ⊢ (𝜑 → 𝜓)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  {cab 2596  ∀wral 2896  ∃wrex 2897   ∩ cin 3539   ⊆ wss 3540  ifcif 4036  𝒫 cpw 4108  ⟨cop 4131  ∪ cuni 4372  ∪ ciun 4455   class class class wbr 4583  {copab 4642   ↦ cmpt 4643  dom cdm 5038   ∘ ccom 5042  Fun wfun 5798  ⟶wf 5800  ‘cfv 5804  (class class class)co 6549   ↦ cmpt2 6551  1^st c1st 7057  2^nd c2nd 7058  Fincfn 7841  0cc0 9815  1c1 9816   + caddc 9818   < clt 9953   − cmin 10145   / cdiv 10563  ℕcn 10897  2c2 10947  3c3 10948  ℕ₀cn0 11169  ℝ⁺crp 11708  seqcseq 12663  ↑cexp 12722  ∞Metcxmt 19552  Metcme 19553  ballcbl 19554  MetOpencmopn 19557  TopOnctopon 20518  ⇝_𝑡clm 20840  Hauscha 20922  Caucca 22859  CMetcms 22860

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-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

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  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-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-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-er 7629  df-map 7746  df-pm 7747  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-sup 8231  df-inf 8232  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-n0 11170  df-z 11255  df-uz 11564  df-q 11665  df-rp 11709  df-xneg 11822  df-xadd 11823  df-xmul 11824  df-ico 12052  df-icc 12053  df-fl 12455  df-seq 12664  df-exp 12723  df-rest 15906  df-topgen 15927  df-psmet 19559  df-xmet 19560  df-met 19561  df-bl 19562  df-mopn 19563  df-fbas 19564  df-fg 19565  df-top 20521  df-bases 20522  df-topon 20523  df-cld 20633  df-ntr 20634  df-cls 20635  df-nei 20712  df-lm 20843  df-haus 20929  df-fil 21460  df-fm 21552  df-flim 21553  df-flf 21554  df-cfil 22861  df-cau 22862  df-cmet 22863

This theorem is referenced by:  heiborlem10  32789