ismtyhmeolem - Mathbox for Jeff Madsen

	Mathbox for Jeff Madsen		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > ismtyhmeolem		Structured version Visualization version GIF version

Theorem ismtyhmeolem 36976

Description: Lemma for ismtyhmeo 36977. (Contributed by Jeff Madsen, 2-Sep-2009.) (Revised by Mario Carneiro, 12-Sep-2015.)

**Hypotheses**
Ref	Expression
ismtyhmeo.1	⊢ 𝐽 = (MetOpen‘𝑀)
ismtyhmeo.2	⊢ 𝐾 = (MetOpen‘𝑁)
ismtyhmeolem.3	⊢ (𝜑 → 𝑀 ∈ (∞Met‘𝑋))
ismtyhmeolem.4	⊢ (𝜑 → 𝑁 ∈ (∞Met‘𝑌))
ismtyhmeolem.5	⊢ (𝜑 → 𝐹 ∈ (𝑀 Ismty 𝑁))

**Assertion**
Ref	Expression
ismtyhmeolem	⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))

Proof of Theorem ismtyhmeolem Dummy variables 𝑢 𝑟 𝑤 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ismtyhmeolem.5	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝑀 Ismty 𝑁))
2		ismtyhmeolem.3	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ (∞Met‘𝑋))
3		ismtyhmeolem.4	. . . . . 6 ⊢ (𝜑 → 𝑁 ∈ (∞Met‘𝑌))
4		isismty 36973	. . . . . 6 ⊢ ((𝑀 ∈ (∞Met‘𝑋) ∧ 𝑁 ∈ (∞Met‘𝑌)) → (𝐹 ∈ (𝑀 Ismty 𝑁) ↔ (𝐹:𝑋–1-1-onto→𝑌 ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝑥𝑀𝑦) = ((𝐹‘𝑥)𝑁(𝐹‘𝑦)))))
5	2, 3, 4	syl2anc 583	. . . . 5 ⊢ (𝜑 → (𝐹 ∈ (𝑀 Ismty 𝑁) ↔ (𝐹:𝑋–1-1-onto→𝑌 ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝑥𝑀𝑦) = ((𝐹‘𝑥)𝑁(𝐹‘𝑦)))))
6	1, 5	mpbid 231	. . . 4 ⊢ (𝜑 → (𝐹:𝑋–1-1-onto→𝑌 ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝑥𝑀𝑦) = ((𝐹‘𝑥)𝑁(𝐹‘𝑦))))
7	6	simpld 494	. . 3 ⊢ (𝜑 → 𝐹:𝑋–1-1-onto→𝑌)
8		f1of 6833	. . 3 ⊢ (𝐹:𝑋–1-1-onto→𝑌 → 𝐹:𝑋⟶𝑌)
9	7, 8	syl 17	. 2 ⊢ (𝜑 → 𝐹:𝑋⟶𝑌)
10	3	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → 𝑁 ∈ (∞Met‘𝑌))
11	2	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → 𝑀 ∈ (∞Met‘𝑋))
12		ismtycnv 36974	. . . . . . . . . 10 ⊢ ((𝑀 ∈ (∞Met‘𝑋) ∧ 𝑁 ∈ (∞Met‘𝑌)) → (𝐹 ∈ (𝑀 Ismty 𝑁) → ^◡𝐹 ∈ (𝑁 Ismty 𝑀)))
13	2, 3, 12	syl2anc 583	. . . . . . . . 9 ⊢ (𝜑 → (𝐹 ∈ (𝑀 Ismty 𝑁) → ^◡𝐹 ∈ (𝑁 Ismty 𝑀)))
14	1, 13	mpd 15	. . . . . . . 8 ⊢ (𝜑 → ^◡𝐹 ∈ (𝑁 Ismty 𝑀))
15	14	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → ^◡𝐹 ∈ (𝑁 Ismty 𝑀))
16		simprl 768	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → 𝑤 ∈ 𝑌)
17		simprr 770	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^)) → 𝑟 ∈ ℝ^)
18		ismtyima 36975	. . . . . . 7 ⊢ (((𝑁 ∈ (∞Met‘𝑌) ∧ 𝑀 ∈ (∞Met‘𝑋) ∧ ^◡𝐹 ∈ (𝑁 Ismty 𝑀)) ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) = ((^◡𝐹‘𝑤)(ball‘𝑀)𝑟))
19	10, 11, 15, 16, 17, 18	syl32anc 1377	. . . . . 6 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) = ((^◡𝐹‘𝑤)(ball‘𝑀)𝑟))
20		f1ocnv 6845	. . . . . . . . 9 ⊢ (𝐹:𝑋–1-1-onto→𝑌 → ^◡𝐹:𝑌–1-1-onto→𝑋)
21		f1of 6833	. . . . . . . . 9 ⊢ (^◡𝐹:𝑌–1-1-onto→𝑋 → ^◡𝐹:𝑌⟶𝑋)
22	7, 20, 21	3syl 18	. . . . . . . 8 ⊢ (𝜑 → ^◡𝐹:𝑌⟶𝑋)
23		simpl 482	. . . . . . . 8 ⊢ ((𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*) → 𝑤 ∈ 𝑌)
24		ffvelcdm 7083	. . . . . . . 8 ⊢ ((^◡𝐹:𝑌⟶𝑋 ∧ 𝑤 ∈ 𝑌) → (^◡𝐹‘𝑤) ∈ 𝑋)
25	22, 23, 24	syl2an 595	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → (^◡𝐹‘𝑤) ∈ 𝑋)
26		ismtyhmeo.1	. . . . . . . 8 ⊢ 𝐽 = (MetOpen‘𝑀)
27	26	blopn 24230	. . . . . . 7 ⊢ ((𝑀 ∈ (∞Met‘𝑋) ∧ (^◡𝐹‘𝑤) ∈ 𝑋 ∧ 𝑟 ∈ ℝ^*) → ((^◡𝐹‘𝑤)(ball‘𝑀)𝑟) ∈ 𝐽)
28	11, 25, 17, 27	syl3anc 1370	. . . . . 6 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → ((^◡𝐹‘𝑤)(ball‘𝑀)𝑟) ∈ 𝐽)
29	19, 28	eqeltrd 2832	. . . . 5 ⊢ ((𝜑 ∧ (𝑤 ∈ 𝑌 ∧ 𝑟 ∈ ℝ^*)) → (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) ∈ 𝐽)
30	29	ralrimivva 3199	. . . 4 ⊢ (𝜑 → ∀𝑤 ∈ 𝑌 ∀𝑟 ∈ ℝ^* (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) ∈ 𝐽)
31		fveq2 6891	. . . . . . . 8 ⊢ (𝑧 = ⟨𝑤, 𝑟⟩ → ((ball‘𝑁)‘𝑧) = ((ball‘𝑁)‘⟨𝑤, 𝑟⟩))
32		df-ov 7415	. . . . . . . 8 ⊢ (𝑤(ball‘𝑁)𝑟) = ((ball‘𝑁)‘⟨𝑤, 𝑟⟩)
33	31, 32	eqtr4di 2789	. . . . . . 7 ⊢ (𝑧 = ⟨𝑤, 𝑟⟩ → ((ball‘𝑁)‘𝑧) = (𝑤(ball‘𝑁)𝑟))
34	33	imaeq2d 6059	. . . . . 6 ⊢ (𝑧 = ⟨𝑤, 𝑟⟩ → (^◡𝐹 “ ((ball‘𝑁)‘𝑧)) = (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)))
35	34	eleq1d 2817	. . . . 5 ⊢ (𝑧 = ⟨𝑤, 𝑟⟩ → ((^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽 ↔ (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) ∈ 𝐽))
36	35	ralxp 5841	. . . 4 ⊢ (∀𝑧 ∈ (𝑌 × ℝ^)(^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽 ↔ ∀𝑤 ∈ 𝑌 ∀𝑟 ∈ ℝ^ (^◡𝐹 “ (𝑤(ball‘𝑁)𝑟)) ∈ 𝐽)
37	30, 36	sylibr 233	. . 3 ⊢ (𝜑 → ∀𝑧 ∈ (𝑌 × ℝ^*)(^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽)
38		blf 24134	. . . 4 ⊢ (𝑁 ∈ (∞Met‘𝑌) → (ball‘𝑁):(𝑌 × ℝ^*)⟶𝒫 𝑌)
39		ffn 6717	. . . 4 ⊢ ((ball‘𝑁):(𝑌 × ℝ^)⟶𝒫 𝑌 → (ball‘𝑁) Fn (𝑌 × ℝ^))
40		imaeq2 6055	. . . . . 6 ⊢ (𝑢 = ((ball‘𝑁)‘𝑧) → (^◡𝐹 “ 𝑢) = (^◡𝐹 “ ((ball‘𝑁)‘𝑧)))
41	40	eleq1d 2817	. . . . 5 ⊢ (𝑢 = ((ball‘𝑁)‘𝑧) → ((^◡𝐹 “ 𝑢) ∈ 𝐽 ↔ (^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽))
42	41	ralrn 7089	. . . 4 ⊢ ((ball‘𝑁) Fn (𝑌 × ℝ^) → (∀𝑢 ∈ ran (ball‘𝑁)(^◡𝐹 “ 𝑢) ∈ 𝐽 ↔ ∀𝑧 ∈ (𝑌 × ℝ^)(^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽))
43	3, 38, 39, 42	4syl 19	. . 3 ⊢ (𝜑 → (∀𝑢 ∈ ran (ball‘𝑁)(^◡𝐹 “ 𝑢) ∈ 𝐽 ↔ ∀𝑧 ∈ (𝑌 × ℝ^*)(^◡𝐹 “ ((ball‘𝑁)‘𝑧)) ∈ 𝐽))
44	37, 43	mpbird 257	. 2 ⊢ (𝜑 → ∀𝑢 ∈ ran (ball‘𝑁)(^◡𝐹 “ 𝑢) ∈ 𝐽)
45	26	mopntopon 24166	. . . 4 ⊢ (𝑀 ∈ (∞Met‘𝑋) → 𝐽 ∈ (TopOn‘𝑋))
46	2, 45	syl 17	. . 3 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
47		ismtyhmeo.2	. . . . 5 ⊢ 𝐾 = (MetOpen‘𝑁)
48	47	mopnval 24165	. . . 4 ⊢ (𝑁 ∈ (∞Met‘𝑌) → 𝐾 = (topGen‘ran (ball‘𝑁)))
49	3, 48	syl 17	. . 3 ⊢ (𝜑 → 𝐾 = (topGen‘ran (ball‘𝑁)))
50	47	mopntopon 24166	. . . 4 ⊢ (𝑁 ∈ (∞Met‘𝑌) → 𝐾 ∈ (TopOn‘𝑌))
51	3, 50	syl 17	. . 3 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘𝑌))
52	46, 49, 51	tgcn 22977	. 2 ⊢ (𝜑 → (𝐹 ∈ (𝐽 Cn 𝐾) ↔ (𝐹:𝑋⟶𝑌 ∧ ∀𝑢 ∈ ran (ball‘𝑁)(^◡𝐹 “ 𝑢) ∈ 𝐽)))
53	9, 44, 52	mpbir2and 710	1 ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1540 ∈ wcel 2105 ∀wral 3060 𝒫 cpw 4602 ⟨cop 4634 × cxp 5674 ^◡ccnv 5675 ran crn 5677 “ cima 5679 Fn wfn 6538 ⟶wf 6539 –1-1-onto→wf1o 6542 ‘cfv 6543 (class class class)co 7412 ℝ^*cxr 11252 topGenctg 17388 ∞Metcxmet 21130 ballcbl 21132 MetOpencmopn 21135 TopOnctopon 22633 Cn ccn 22949 Ismty cismty 36970

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 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-cnex 11170 ax-resscn 11171 ax-1cn 11172 ax-icn 11173 ax-addcl 11174 ax-addrcl 11175 ax-mulcl 11176 ax-mulrcl 11177 ax-mulcom 11178 ax-addass 11179 ax-mulass 11180 ax-distr 11181 ax-i2m1 11182 ax-1ne0 11183 ax-1rid 11184 ax-rnegex 11185 ax-rrecex 11186 ax-cnre 11187 ax-pre-lttri 11188 ax-pre-lttrn 11189 ax-pre-ltadd 11190 ax-pre-mulgt0 11191 ax-pre-sup 11192

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7860 df-1st 7979 df-2nd 7980 df-frecs 8270 df-wrecs 8301 df-recs 8375 df-rdg 8414 df-er 8707 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-sup 9441 df-inf 9442 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-div 11877 df-nn 12218 df-2 12280 df-n0 12478 df-z 12564 df-uz 12828 df-q 12938 df-rp 12980 df-xneg 13097 df-xadd 13098 df-xmul 13099 df-topgen 17394 df-psmet 21137 df-xmet 21138 df-bl 21140 df-mopn 21141 df-top 22617 df-topon 22634 df-bases 22670 df-cn 22952 df-ismty 36971

This theorem is referenced by: ismtyhmeo 36977

W3C validator