cvmliftlem2 - Mathbox for Mario Carneiro

	Mathbox for Mario Carneiro		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > cvmliftlem2		Structured version Visualization version GIF version

Theorem cvmliftlem2 35480

Description: Lemma for cvmlift 35493. 𝑊 = [(𝑘 − 1) / 𝑁, 𝑘 / 𝑁] is a subset of [0, 1] for each 𝑀 ∈ (1...𝑁). (Contributed by Mario Carneiro, 16-Feb-2015.)

**Hypotheses**
Ref	Expression
cvmliftlem.1	⊢ 𝑆 = (𝑘 ∈ 𝐽 ↦ {𝑠 ∈ (𝒫 𝐶 ∖ {∅}) ∣ (∪ 𝑠 = (^◡𝐹 “ 𝑘) ∧ ∀𝑢 ∈ 𝑠 (∀𝑣 ∈ (𝑠 ∖ {𝑢})(𝑢 ∩ 𝑣) = ∅ ∧ (𝐹 ↾ 𝑢) ∈ ((𝐶 ↾_t 𝑢)Homeo(𝐽 ↾_t 𝑘))))})
cvmliftlem.b	⊢ 𝐵 = ∪ 𝐶
cvmliftlem.x	⊢ 𝑋 = ∪ 𝐽
cvmliftlem.f	⊢ (𝜑 → 𝐹 ∈ (𝐶 CovMap 𝐽))
cvmliftlem.g	⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽))
cvmliftlem.p	⊢ (𝜑 → 𝑃 ∈ 𝐵)
cvmliftlem.e	⊢ (𝜑 → (𝐹‘𝑃) = (𝐺‘0))
cvmliftlem.n	⊢ (𝜑 → 𝑁 ∈ ℕ)
cvmliftlem.t	⊢ (𝜑 → 𝑇:(1...𝑁)⟶∪ 𝑗 ∈ 𝐽 ({𝑗} × (𝑆‘𝑗)))
cvmliftlem.a	⊢ (𝜑 → ∀𝑘 ∈ (1...𝑁)(𝐺 “ (((𝑘 − 1) / 𝑁)[,](𝑘 / 𝑁))) ⊆ (1^st ‘(𝑇‘𝑘)))
cvmliftlem.l	⊢ 𝐿 = (topGen‘ran (,))
cvmliftlem1.m	⊢ ((𝜑 ∧ 𝜓) → 𝑀 ∈ (1...𝑁))
cvmliftlem3.3	⊢ 𝑊 = (((𝑀 − 1) / 𝑁)[,](𝑀 / 𝑁))

**Assertion**
Ref	Expression
cvmliftlem2	⊢ ((𝜑 ∧ 𝜓) → 𝑊 ⊆ (0[,]1))

Distinct variable groups: 𝑣,𝐵 𝑗,𝑘,𝑠,𝑢,𝑣,𝐹 𝑗,𝑀,𝑘,𝑠,𝑢,𝑣 𝑃,𝑘,𝑢,𝑣 𝐶,𝑗,𝑘,𝑠,𝑢,𝑣 𝜑,𝑗,𝑠 𝑘,𝑁,𝑢,𝑣 𝑆,𝑗,𝑘,𝑠,𝑢,𝑣 𝑗,𝑋 𝑗,𝐺,𝑘,𝑠,𝑢,𝑣 𝑇,𝑗,𝑘,𝑠,𝑢,𝑣 𝑗,𝐽,𝑘,𝑠,𝑢,𝑣 𝑘,𝑊 Allowed substitution hints: 𝜑(𝑣,𝑢,𝑘) 𝜓(𝑣,𝑢,𝑗,𝑘,𝑠) 𝐵(𝑢,𝑗,𝑘,𝑠) 𝑃(𝑗,𝑠) 𝐿(𝑣,𝑢,𝑗,𝑘,𝑠) 𝑁(𝑗,𝑠) 𝑊(𝑣,𝑢,𝑗,𝑠) 𝑋(𝑣,𝑢,𝑘,𝑠)

**Proof of Theorem cvmliftlem2**
Step	Hyp	Ref	Expression
1		cvmliftlem3.3	. 2 ⊢ 𝑊 = (((𝑀 − 1) / 𝑁)[,](𝑀 / 𝑁))
2		0red 11135	. . 3 ⊢ ((𝜑 ∧ 𝜓) → 0 ∈ ℝ)
3		1red 11133	. . 3 ⊢ ((𝜑 ∧ 𝜓) → 1 ∈ ℝ)
4		cvmliftlem1.m	. . . . . . 7 ⊢ ((𝜑 ∧ 𝜓) → 𝑀 ∈ (1...𝑁))
5		elfznn 13469	. . . . . . 7 ⊢ (𝑀 ∈ (1...𝑁) → 𝑀 ∈ ℕ)
6	4, 5	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝜓) → 𝑀 ∈ ℕ)
7	6	nnred 12160	. . . . 5 ⊢ ((𝜑 ∧ 𝜓) → 𝑀 ∈ ℝ)
8		peano2rem 11448	. . . . 5 ⊢ (𝑀 ∈ ℝ → (𝑀 − 1) ∈ ℝ)
9	7, 8	syl 17	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → (𝑀 − 1) ∈ ℝ)
10		nnm1nn0 12442	. . . . . 6 ⊢ (𝑀 ∈ ℕ → (𝑀 − 1) ∈ ℕ₀)
11	6, 10	syl 17	. . . . 5 ⊢ ((𝜑 ∧ 𝜓) → (𝑀 − 1) ∈ ℕ₀)
12	11	nn0ge0d 12465	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → 0 ≤ (𝑀 − 1))
13		cvmliftlem.n	. . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ)
14	13	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 𝜓) → 𝑁 ∈ ℕ)
15	14	nnred 12160	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝑁 ∈ ℝ)
16	14	nngt0d 12194	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → 0 < 𝑁)
17		divge0 12011	. . . 4 ⊢ ((((𝑀 − 1) ∈ ℝ ∧ 0 ≤ (𝑀 − 1)) ∧ (𝑁 ∈ ℝ ∧ 0 < 𝑁)) → 0 ≤ ((𝑀 − 1) / 𝑁))
18	9, 12, 15, 16, 17	syl22anc 838	. . 3 ⊢ ((𝜑 ∧ 𝜓) → 0 ≤ ((𝑀 − 1) / 𝑁))
19		elfzle2 13444	. . . . . 6 ⊢ (𝑀 ∈ (1...𝑁) → 𝑀 ≤ 𝑁)
20	4, 19	syl 17	. . . . 5 ⊢ ((𝜑 ∧ 𝜓) → 𝑀 ≤ 𝑁)
21	14	nncnd 12161	. . . . . 6 ⊢ ((𝜑 ∧ 𝜓) → 𝑁 ∈ ℂ)
22	21	mulridd 11149	. . . . 5 ⊢ ((𝜑 ∧ 𝜓) → (𝑁 · 1) = 𝑁)
23	20, 22	breqtrrd 5126	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝑀 ≤ (𝑁 · 1))
24		ledivmul 12018	. . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 1 ∈ ℝ ∧ (𝑁 ∈ ℝ ∧ 0 < 𝑁)) → ((𝑀 / 𝑁) ≤ 1 ↔ 𝑀 ≤ (𝑁 · 1)))
25	7, 3, 15, 16, 24	syl112anc 1376	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → ((𝑀 / 𝑁) ≤ 1 ↔ 𝑀 ≤ (𝑁 · 1)))
26	23, 25	mpbird 257	. . 3 ⊢ ((𝜑 ∧ 𝜓) → (𝑀 / 𝑁) ≤ 1)
27		iccss 13330	. . 3 ⊢ (((0 ∈ ℝ ∧ 1 ∈ ℝ) ∧ (0 ≤ ((𝑀 − 1) / 𝑁) ∧ (𝑀 / 𝑁) ≤ 1)) → (((𝑀 − 1) / 𝑁)[,](𝑀 / 𝑁)) ⊆ (0[,]1))
28	2, 3, 18, 26, 27	syl22anc 838	. 2 ⊢ ((𝜑 ∧ 𝜓) → (((𝑀 − 1) / 𝑁)[,](𝑀 / 𝑁)) ⊆ (0[,]1))
29	1, 28	eqsstrid 3972	1 ⊢ ((𝜑 ∧ 𝜓) → 𝑊 ⊆ (0[,]1))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ∀wral 3051 {crab 3399 ∖ cdif 3898 ∩ cin 3900 ⊆ wss 3901 ∅c0 4285 𝒫 cpw 4554 {csn 4580 ∪ cuni 4863 ∪ ciun 4946 class class class wbr 5098 ↦ cmpt 5179 × cxp 5622 ^◡ccnv 5623 ran crn 5625 ↾ cres 5626 “ cima 5627 ⟶wf 6488 ‘cfv 6492 (class class class)co 7358 1^st c1st 7931 ℝcr 11025 0cc0 11026 1c1 11027 · cmul 11031 < clt 11166 ≤ cle 11167 − cmin 11364 / cdiv 11794 ℕcn 12145 ℕ₀cn0 12401 (,)cioo 13261 [,]cicc 13264 ...cfz 13423 ↾_t crest 17340 topGenctg 17357 Cn ccn 23168 Homeochmeo 23697 IIcii 24824 CovMap ccvm 35449

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-n0 12402 df-z 12489 df-uz 12752 df-icc 13268 df-fz 13424

This theorem is referenced by: cvmliftlem3 35481 cvmliftlem6 35484 cvmliftlem8 35486

W3C validator