Theorem uniioombllem3a 24180

Description: Lemma for uniioombl 24185. (Contributed by Mario Carneiro, 8-May-2015.)

Hypotheses

Ref	Expression
uniioombl.1	⊢ (𝜑 → 𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
uniioombl.2	⊢ (𝜑 → Disj 𝑥 ∈ ℕ ((,)‘(𝐹‘𝑥)))
uniioombl.3	⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ 𝐹))
uniioombl.a	⊢ 𝐴 = ∪ ran ((,) ∘ 𝐹)
uniioombl.e	⊢ (𝜑 → (vol*‘𝐸) ∈ ℝ)
uniioombl.c	⊢ (𝜑 → 𝐶 ∈ ℝ+)
uniioombl.g	⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
uniioombl.s	⊢ (𝜑 → 𝐸 ⊆ ∪ ran ((,) ∘ 𝐺))
uniioombl.t	⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺))
uniioombl.v	⊢ (𝜑 → sup(ran 𝑇, ℝ*, < ) ≤ ((vol*‘𝐸) + 𝐶))
uniioombl.m	⊢ (𝜑 → 𝑀 ∈ ℕ)
uniioombl.m2	⊢ (𝜑 → (abs‘((𝑇‘𝑀) − sup(ran 𝑇, ℝ*, < ))) < 𝐶)
uniioombl.k	⊢ 𝐾 = ∪ (((,) ∘ 𝐺) “ (1...𝑀))

Assertion

Ref	Expression
uniioombllem3a	⊢ (𝜑 → (𝐾 = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ∧ (vol*‘𝐾) ∈ ℝ))

Distinct variable groups:   𝑥,𝑗,𝐹   𝑗,𝐺,𝑥   𝑗,𝐾,𝑥   𝐴,𝑗,𝑥   𝐶,𝑗,𝑥   𝑗,𝑀,𝑥   𝜑,𝑗,𝑥   𝑇,𝑗,𝑥

Allowed substitution hints:   𝑆(𝑥,𝑗)   𝐸(𝑥,𝑗)

Proof of Theorem uniioombllem3a

Step	Hyp	Ref	Expression
1		uniioombl.k	. . 3 ⊢ 𝐾 = ∪ (((,) ∘ 𝐺) “ (1...𝑀))
2		ioof 12829	. . . . . 6 ⊢ (,):(ℝ* × ℝ*)⟶𝒫 ℝ
3		uniioombl.g	. . . . . . 7 ⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
4		inss2 4199	. . . . . . . 8 ⊢ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ × ℝ)
5		rexpssxrxp 10679	. . . . . . . 8 ⊢ (ℝ × ℝ) ⊆ (ℝ* × ℝ*)
6	4, 5	sstri 3969	. . . . . . 7 ⊢ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ* × ℝ*)
7		fss 6520	. . . . . . 7 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ* × ℝ*)) → 𝐺:ℕ⟶(ℝ* × ℝ*))
8	3, 6, 7	sylancl 588	. . . . . 6 ⊢ (𝜑 → 𝐺:ℕ⟶(ℝ* × ℝ*))
9		fco 6524	. . . . . 6 ⊢ (((,):(ℝ* × ℝ*)⟶𝒫 ℝ ∧ 𝐺:ℕ⟶(ℝ* × ℝ*)) → ((,) ∘ 𝐺):ℕ⟶𝒫 ℝ)
10	2, 8, 9	sylancr 589	. . . . 5 ⊢ (𝜑 → ((,) ∘ 𝐺):ℕ⟶𝒫 ℝ)
11		ffun 6510	. . . . 5 ⊢ (((,) ∘ 𝐺):ℕ⟶𝒫 ℝ → Fun ((,) ∘ 𝐺))
12		funiunfv 7000	. . . . 5 ⊢ (Fun ((,) ∘ 𝐺) → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ (((,) ∘ 𝐺) “ (1...𝑀)))
13	10, 11, 12	3syl 18	. . . 4 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ (((,) ∘ 𝐺) “ (1...𝑀)))
14		elfznn 12933	. . . . . 6 ⊢ (𝑗 ∈ (1...𝑀) → 𝑗 ∈ ℕ)
15		fvco3 6753	. . . . . 6 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → (((,) ∘ 𝐺)‘𝑗) = ((,)‘(𝐺‘𝑗)))
16	3, 14, 15	syl2an 597	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,) ∘ 𝐺)‘𝑗) = ((,)‘(𝐺‘𝑗)))
17	16	iuneq2dv 4936	. . . 4 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
18	13, 17	eqtr3d 2857	. . 3 ⊢ (𝜑 → ∪ (((,) ∘ 𝐺) “ (1...𝑀)) = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
19	1, 18	syl5eq 2867	. 2 ⊢ (𝜑 → 𝐾 = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
20		ffvelrn 6842	. . . . . . . . . . . 12 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → (𝐺‘𝑗) ∈ ( ≤ ∩ (ℝ × ℝ)))
21	3, 14, 20	syl2an 597	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) ∈ ( ≤ ∩ (ℝ × ℝ)))
22	21	elin2d 4169	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) ∈ (ℝ × ℝ))
23		1st2nd2 7721	. . . . . . . . . 10 ⊢ ((𝐺‘𝑗) ∈ (ℝ × ℝ) → (𝐺‘𝑗) = ⟨(1st ‘(𝐺‘𝑗)), (2nd ‘(𝐺‘𝑗))⟩)
24	22, 23	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) = ⟨(1st ‘(𝐺‘𝑗)), (2nd ‘(𝐺‘𝑗))⟩)
25	24	fveq2d 6667	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) = ((,)‘⟨(1st ‘(𝐺‘𝑗)), (2nd ‘(𝐺‘𝑗))⟩))
26		df-ov 7152	. . . . . . . 8 ⊢ ((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗))) = ((,)‘⟨(1st ‘(𝐺‘𝑗)), (2nd ‘(𝐺‘𝑗))⟩)
27	25, 26	syl6eqr 2873	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) = ((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗))))
28		ioossre 12792	. . . . . . 7 ⊢ ((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗))) ⊆ ℝ
29	27, 28	eqsstrdi 4014	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) ⊆ ℝ)
30	29	ralrimiva 3181	. . . . 5 ⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ⊆ ℝ)
31		iunss 4962	. . . . 5 ⊢ (∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ⊆ ℝ ↔ ∀𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ⊆ ℝ)
32	30, 31	sylibr 236	. . . 4 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ⊆ ℝ)
33	19, 32	eqsstrd 3998	. . 3 ⊢ (𝜑 → 𝐾 ⊆ ℝ)
34		fzfid 13338	. . . 4 ⊢ (𝜑 → (1...𝑀) ∈ Fin)
35	27	fveq2d 6667	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((,)‘(𝐺‘𝑗))) = (vol*‘((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗)))))
36		ovolfcl 24062	. . . . . . . 8 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → ((1st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1st ‘(𝐺‘𝑗)) ≤ (2nd ‘(𝐺‘𝑗))))
37	3, 14, 36	syl2an 597	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((1st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1st ‘(𝐺‘𝑗)) ≤ (2nd ‘(𝐺‘𝑗))))
38		ovolioo 24164	. . . . . . 7 ⊢ (((1st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1st ‘(𝐺‘𝑗)) ≤ (2nd ‘(𝐺‘𝑗))) → (vol*‘((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗)))) = ((2nd ‘(𝐺‘𝑗)) − (1st ‘(𝐺‘𝑗))))
39	37, 38	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((1st ‘(𝐺‘𝑗))(,)(2nd ‘(𝐺‘𝑗)))) = ((2nd ‘(𝐺‘𝑗)) − (1st ‘(𝐺‘𝑗))))
40	35, 39	eqtrd 2855	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((,)‘(𝐺‘𝑗))) = ((2nd ‘(𝐺‘𝑗)) − (1st ‘(𝐺‘𝑗))))
41	37	simp2d 1138	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (2nd ‘(𝐺‘𝑗)) ∈ ℝ)
42	37	simp1d 1137	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (1st ‘(𝐺‘𝑗)) ∈ ℝ)
43	41, 42	resubcld 11061	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((2nd ‘(𝐺‘𝑗)) − (1st ‘(𝐺‘𝑗))) ∈ ℝ)
44	40, 43	eqeltrd 2912	. . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ)
45	34, 44	fsumrecl 15086	. . 3 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ)
46	19	fveq2d 6667	. . . 4 ⊢ (𝜑 → (vol*‘𝐾) = (vol*‘∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗))))
47	29, 44	jca 514	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ⊆ ℝ ∧ (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ))
48	47	ralrimiva 3181	. . . . 5 ⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)(((,)‘(𝐺‘𝑗)) ⊆ ℝ ∧ (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ))
49		ovolfiniun 24097	. . . . 5 ⊢ (((1...𝑀) ∈ Fin ∧ ∀𝑗 ∈ (1...𝑀)(((,)‘(𝐺‘𝑗)) ⊆ ℝ ∧ (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ)) → (vol*‘∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗))) ≤ Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗))))
50	34, 48, 49	syl2anc 586	. . . 4 ⊢ (𝜑 → (vol*‘∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗))) ≤ Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗))))
51	46, 50	eqbrtrd 5081	. . 3 ⊢ (𝜑 → (vol*‘𝐾) ≤ Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗))))
52		ovollecl 24079	. . 3 ⊢ ((𝐾 ⊆ ℝ ∧ Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ ∧ (vol*‘𝐾) ≤ Σ𝑗 ∈ (1...𝑀)(vol*‘((,)‘(𝐺‘𝑗)))) → (vol*‘𝐾) ∈ ℝ)
53	33, 45, 51, 52	syl3anc 1366	. 2 ⊢ (𝜑 → (vol*‘𝐾) ∈ ℝ)
54	19, 53	jca 514	1 ⊢ (𝜑 → (𝐾 = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)) ∧ (vol*‘𝐾) ∈ ℝ))

Syntax hints:   → wi 4   ∧ wa 398   ∧ w3a 1082   = wceq 1536   ∈ wcel 2113  ∀wral 3137   ∩ cin 3928   ⊆ wss 3929  𝒫 cpw 4532  ⟨cop 4566  ∪ cuni 4831  ∪ ciun 4912  Disj wdisj 5024   class class class wbr 5059   × cxp 5546  ran crn 5549   “ cima 5551   ∘ ccom 5552  Fun wfun 6342  ⟶wf 6344  ‘cfv 6348  (class class class)co 7149  1^st c1st 7680  2^nd c2nd 7681  Fincfn 8502  supcsup 8897  ℝcr 10529  1c1 10531   + caddc 10533  ℝ^*cxr 10667   < clt 10668   ≤ cle 10669   − cmin 10863  ℕcn 11631  ℝ⁺crp 12383  (,)cioo 12732  ...cfz 12889  seqcseq 13366  abscabs 14588  Σcsu 15037  vol*covol 24058

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 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2792  ax-rep 5183  ax-sep 5196  ax-nul 5203  ax-pow 5259  ax-pr 5323  ax-un 7454  ax-inf2 9097  ax-cnex 10586  ax-resscn 10587  ax-1cn 10588  ax-icn 10589  ax-addcl 10590  ax-addrcl 10591  ax-mulcl 10592  ax-mulrcl 10593  ax-mulcom 10594  ax-addass 10595  ax-mulass 10596  ax-distr 10597  ax-i2m1 10598  ax-1ne0 10599  ax-1rid 10600  ax-rnegex 10601  ax-rrecex 10602  ax-cnre 10603  ax-pre-lttri 10604  ax-pre-lttrn 10605  ax-pre-ltadd 10606  ax-pre-mulgt0 10607  ax-pre-sup 10608

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1083  df-3an 1084  df-tru 1539  df-fal 1549  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2799  df-cleq 2813  df-clel 2892  df-nfc 2962  df-ne 3016  df-nel 3123  df-ral 3142  df-rex 3143  df-reu 3144  df-rmo 3145  df-rab 3146  df-v 3493  df-sbc 3769  df-csb 3877  df-dif 3932  df-un 3934  df-in 3936  df-ss 3945  df-pss 3947  df-nul 4285  df-if 4461  df-pw 4534  df-sn 4561  df-pr 4563  df-tp 4565  df-op 4567  df-uni 4832  df-int 4870  df-iun 4914  df-br 5060  df-opab 5122  df-mpt 5140  df-tr 5166  df-id 5453  df-eprel 5458  df-po 5467  df-so 5468  df-fr 5507  df-se 5508  df-we 5509  df-xp 5554  df-rel 5555  df-cnv 5556  df-co 5557  df-dm 5558  df-rn 5559  df-res 5560  df-ima 5561  df-pred 6141  df-ord 6187  df-on 6188  df-lim 6189  df-suc 6190  df-iota 6307  df-fun 6350  df-fn 6351  df-f 6352  df-f1 6353  df-fo 6354  df-f1o 6355  df-fv 6356  df-isom 6357  df-riota 7107  df-ov 7152  df-oprab 7153  df-mpo 7154  df-of 7402  df-om 7574  df-1st 7682  df-2nd 7683  df-wrecs 7940  df-recs 8001  df-rdg 8039  df-1o 8095  df-2o 8096  df-oadd 8099  df-er 8282  df-map 8401  df-pm 8402  df-en 8503  df-dom 8504  df-sdom 8505  df-fin 8506  df-fi 8868  df-sup 8899  df-inf 8900  df-oi 8967  df-dju 9323  df-card 9361  df-pnf 10670  df-mnf 10671  df-xr 10672  df-ltxr 10673  df-le 10674  df-sub 10865  df-neg 10866  df-div 11291  df-nn 11632  df-2 11694  df-3 11695  df-n0 11892  df-z 11976  df-uz 12238  df-q 12343  df-rp 12384  df-xneg 12501  df-xadd 12502  df-xmul 12503  df-ioo 12736  df-ico 12738  df-icc 12739  df-fz 12890  df-fzo 13031  df-fl 13159  df-seq 13367  df-exp 13427  df-hash 13688  df-cj 14453  df-re 14454  df-im 14455  df-sqrt 14589  df-abs 14590  df-clim 14840  df-rlim 14841  df-sum 15038  df-rest 16691  df-topgen 16712  df-psmet 20532  df-xmet 20533  df-met 20534  df-bl 20535  df-mopn 20536  df-top 21497  df-topon 21514  df-bases 21549  df-cmp 21990  df-ovol 24060  df-vol 24061

This theorem is referenced by:  uniioombllem3  24181