dvbsss - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > dvbsss		Structured version Visualization version GIF version

Theorem dvbsss 25303

Description: The set of differentiable points is a subset of the ambient topology. (Contributed by Mario Carneiro, 18-Mar-2015.)

**Assertion**
Ref	Expression
dvbsss	⊢ dom (𝑆 D 𝐹) ⊆ 𝑆

Proof of Theorem dvbsss Dummy variables 𝑓 𝑠 𝑥 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-dv 25268	. . . . . . . . . . 11 ⊢ D = (𝑠 ∈ 𝒫 ℂ, 𝑓 ∈ (ℂ ↑_pm 𝑠) ↦ ∪ 𝑥 ∈ ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑠))‘dom 𝑓)({𝑥} × ((𝑧 ∈ (dom 𝑓 ∖ {𝑥}) ↦ (((𝑓‘𝑧) − (𝑓‘𝑥)) / (𝑧 − 𝑥))) lim_ℂ 𝑥)))
2	1	reldmmpo 7495	. . . . . . . . . 10 ⊢ Rel dom D
3		df-rel 5645	. . . . . . . . . 10 ⊢ (Rel dom D ↔ dom D ⊆ (V × V))
4	2, 3	mpbi 229	. . . . . . . . 9 ⊢ dom D ⊆ (V × V)
5	4	sseli 3943	. . . . . . . 8 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → ⟨𝑆, 𝐹⟩ ∈ (V × V))
6		opelxp1 5679	. . . . . . . 8 ⊢ (⟨𝑆, 𝐹⟩ ∈ (V × V) → 𝑆 ∈ V)
7	5, 6	syl 17	. . . . . . 7 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → 𝑆 ∈ V)
8		opeq1 4835	. . . . . . . . . 10 ⊢ (𝑠 = 𝑆 → ⟨𝑠, 𝐹⟩ = ⟨𝑆, 𝐹⟩)
9	8	eleq1d 2817	. . . . . . . . 9 ⊢ (𝑠 = 𝑆 → (⟨𝑠, 𝐹⟩ ∈ dom D ↔ ⟨𝑆, 𝐹⟩ ∈ dom D ))
10		eleq1 2820	. . . . . . . . . 10 ⊢ (𝑠 = 𝑆 → (𝑠 ∈ 𝒫 ℂ ↔ 𝑆 ∈ 𝒫 ℂ))
11		oveq2 7370	. . . . . . . . . . 11 ⊢ (𝑠 = 𝑆 → (ℂ ↑_pm 𝑠) = (ℂ ↑_pm 𝑆))
12	11	eleq2d 2818	. . . . . . . . . 10 ⊢ (𝑠 = 𝑆 → (𝐹 ∈ (ℂ ↑_pm 𝑠) ↔ 𝐹 ∈ (ℂ ↑_pm 𝑆)))
13	10, 12	anbi12d 631	. . . . . . . . 9 ⊢ (𝑠 = 𝑆 → ((𝑠 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑠)) ↔ (𝑆 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑆))))
14	9, 13	imbi12d 344	. . . . . . . 8 ⊢ (𝑠 = 𝑆 → ((⟨𝑠, 𝐹⟩ ∈ dom D → (𝑠 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑠))) ↔ (⟨𝑆, 𝐹⟩ ∈ dom D → (𝑆 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑆)))))
15	1	dmmpossx 8003	. . . . . . . . . 10 ⊢ dom D ⊆ ∪ 𝑠 ∈ 𝒫 ℂ({𝑠} × (ℂ ↑_pm 𝑠))
16	15	sseli 3943	. . . . . . . . 9 ⊢ (⟨𝑠, 𝐹⟩ ∈ dom D → ⟨𝑠, 𝐹⟩ ∈ ∪ 𝑠 ∈ 𝒫 ℂ({𝑠} × (ℂ ↑_pm 𝑠)))
17		opeliunxp 5704	. . . . . . . . 9 ⊢ (⟨𝑠, 𝐹⟩ ∈ ∪ 𝑠 ∈ 𝒫 ℂ({𝑠} × (ℂ ↑_pm 𝑠)) ↔ (𝑠 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑠)))
18	16, 17	sylib 217	. . . . . . . 8 ⊢ (⟨𝑠, 𝐹⟩ ∈ dom D → (𝑠 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑠)))
19	14, 18	vtoclg 3526	. . . . . . 7 ⊢ (𝑆 ∈ V → (⟨𝑆, 𝐹⟩ ∈ dom D → (𝑆 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑆))))
20	7, 19	mpcom 38	. . . . . 6 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → (𝑆 ∈ 𝒫 ℂ ∧ 𝐹 ∈ (ℂ ↑_pm 𝑆)))
21	20	simpld 495	. . . . 5 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → 𝑆 ∈ 𝒫 ℂ)
22	21	elpwid 4574	. . . 4 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → 𝑆 ⊆ ℂ)
23	20	simprd 496	. . . . . 6 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → 𝐹 ∈ (ℂ ↑_pm 𝑆))
24		cnex 11141	. . . . . . 7 ⊢ ℂ ∈ V
25		elpm2g 8789	. . . . . . 7 ⊢ ((ℂ ∈ V ∧ 𝑆 ∈ 𝒫 ℂ) → (𝐹 ∈ (ℂ ↑_pm 𝑆) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ 𝑆)))
26	24, 21, 25	sylancr 587	. . . . . 6 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → (𝐹 ∈ (ℂ ↑_pm 𝑆) ↔ (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ 𝑆)))
27	23, 26	mpbid 231	. . . . 5 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ 𝑆))
28	27	simpld 495	. . . 4 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → 𝐹:dom 𝐹⟶ℂ)
29	27	simprd 496	. . . 4 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → dom 𝐹 ⊆ 𝑆)
30	22, 28, 29	dvbss 25302	. . 3 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → dom (𝑆 D 𝐹) ⊆ dom 𝐹)
31	30, 29	sstrd 3957	. 2 ⊢ (⟨𝑆, 𝐹⟩ ∈ dom D → dom (𝑆 D 𝐹) ⊆ 𝑆)
32		df-ov 7365	. . . . . 6 ⊢ (𝑆 D 𝐹) = ( D ‘⟨𝑆, 𝐹⟩)
33		ndmfv 6882	. . . . . 6 ⊢ (¬ ⟨𝑆, 𝐹⟩ ∈ dom D → ( D ‘⟨𝑆, 𝐹⟩) = ∅)
34	32, 33	eqtrid 2783	. . . . 5 ⊢ (¬ ⟨𝑆, 𝐹⟩ ∈ dom D → (𝑆 D 𝐹) = ∅)
35	34	dmeqd 5866	. . . 4 ⊢ (¬ ⟨𝑆, 𝐹⟩ ∈ dom D → dom (𝑆 D 𝐹) = dom ∅)
36		dm0 5881	. . . 4 ⊢ dom ∅ = ∅
37	35, 36	eqtrdi 2787	. . 3 ⊢ (¬ ⟨𝑆, 𝐹⟩ ∈ dom D → dom (𝑆 D 𝐹) = ∅)
38		0ss 4361	. . 3 ⊢ ∅ ⊆ 𝑆
39	37, 38	eqsstrdi 4001	. 2 ⊢ (¬ ⟨𝑆, 𝐹⟩ ∈ dom D → dom (𝑆 D 𝐹) ⊆ 𝑆)
40	31, 39	pm2.61i 182	1 ⊢ dom (𝑆 D 𝐹) ⊆ 𝑆

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 Vcvv 3446 ∖ cdif 3910 ⊆ wss 3913 ∅c0 4287 𝒫 cpw 4565 {csn 4591 ⟨cop 4597 ∪ ciun 4959 ↦ cmpt 5193 × cxp 5636 dom cdm 5638 Rel wrel 5643 ⟶wf 6497 ‘cfv 6501 (class class class)co 7362 ↑_pm cpm 8773 ℂcc 11058 − cmin 11394 / cdiv 11821 ↾_t crest 17316 TopOpenctopn 17317 ℂ_fldccnfld 20833 intcnt 22405 lim_ℂ climc 25263 D cdv 25264

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-rep 5247 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-cnex 11116 ax-resscn 11117 ax-1cn 11118 ax-icn 11119 ax-addcl 11120 ax-addrcl 11121 ax-mulcl 11122 ax-mulrcl 11123 ax-mulcom 11124 ax-addass 11125 ax-mulass 11126 ax-distr 11127 ax-i2m1 11128 ax-1ne0 11129 ax-1rid 11130 ax-rnegex 11131 ax-rrecex 11132 ax-cnre 11133 ax-pre-lttri 11134 ax-pre-lttrn 11135 ax-pre-ltadd 11136 ax-pre-mulgt0 11137 ax-pre-sup 11138

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 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 3351 df-reu 3352 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3932 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4871 df-int 4913 df-iun 4961 df-br 5111 df-opab 5173 df-mpt 5194 df-tr 5228 df-id 5536 df-eprel 5542 df-po 5550 df-so 5551 df-fr 5593 df-we 5595 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-pred 6258 df-ord 6325 df-on 6326 df-lim 6327 df-suc 6328 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-riota 7318 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7808 df-1st 7926 df-2nd 7927 df-frecs 8217 df-wrecs 8248 df-recs 8322 df-rdg 8361 df-1o 8417 df-er 8655 df-map 8774 df-pm 8775 df-en 8891 df-dom 8892 df-sdom 8893 df-fin 8894 df-fi 9356 df-sup 9387 df-inf 9388 df-pnf 11200 df-mnf 11201 df-xr 11202 df-ltxr 11203 df-le 11204 df-sub 11396 df-neg 11397 df-div 11822 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12423 df-z 12509 df-dec 12628 df-uz 12773 df-q 12883 df-rp 12925 df-xneg 13042 df-xadd 13043 df-xmul 13044 df-fz 13435 df-seq 13917 df-exp 13978 df-cj 14996 df-re 14997 df-im 14998 df-sqrt 15132 df-abs 15133 df-struct 17030 df-slot 17065 df-ndx 17077 df-base 17095 df-plusg 17160 df-mulr 17161 df-starv 17162 df-tset 17166 df-ple 17167 df-ds 17169 df-unif 17170 df-rest 17318 df-topn 17319 df-topgen 17339 df-psmet 20825 df-xmet 20826 df-met 20827 df-bl 20828 df-mopn 20829 df-cnfld 20834 df-top 22280 df-topon 22297 df-topsp 22319 df-bases 22333 df-ntr 22408 df-cnp 22616 df-xms 23710 df-ms 23711 df-limc 25267 df-dv 25268

This theorem is referenced by: dvaddf 25343 dvmulf 25344 dvcmulf 25346 dvcof 25349 dvmptres2 25363 dvmptcmul 25365 dvmptcj 25369 dvcnvlem 25377 dvcnv 25378 dvef 25381 dvcnvrelem1 25418 dvcnvrelem2 25419 dvcnvre 25420 ulmdvlem1 25796 ulmdvlem3 25798 ulmdv 25799 fperdvper 44280 dvmulcncf 44286 dvdivcncf 44288

W3C validator